diff --git a/Cargo.lock b/Cargo.lock
index 7f20237..b8715ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -106,6 +106,18 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
+[[package]]
+name = "bstr"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
+dependencies = [
+ "lazy_static",
+ "memchr",
+ "regex-automata",
+ "serde",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.9.1"
@@ -387,6 +399,28 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "csv"
+version = "1.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22813a6dc45b335f9bade10bf7271dc477e81113e89eb251a0bc2a8a81c536e1"
+dependencies = [
+ "bstr",
+ "csv-core",
+ "itoa 0.4.8",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "csv-core"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "cty"
 version = "0.2.2"
@@ -938,7 +972,7 @@ checksum = "ff8670570af52249509a86f5e3e18a08c60b177071826898fde8997cf5f6bfbb"
 dependencies = [
  "bytes",
  "fnv",
- "itoa",
+ "itoa 1.0.2",
 ]
 
 [[package]]
@@ -979,7 +1013,7 @@ dependencies = [
  "http-body",
  "httparse",
  "httpdate",
- "itoa",
+ "itoa 1.0.2",
  "pin-project-lite",
  "socket2",
  "tokio",
@@ -1102,6 +1136,12 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "879d54834c8c76457ef4293a689b2a8c59b076067ad77b15efafbb05f92a592b"
 
+[[package]]
+name = "itoa"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
+
 [[package]]
 name = "itoa"
 version = "1.0.2"
@@ -1791,6 +1831,12 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
@@ -1999,7 +2045,7 @@ version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
- "itoa",
+ "itoa 1.0.2",
  "ryu",
  "serde",
 ]
@@ -2011,7 +2057,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
 dependencies = [
  "form_urlencoded",
- "itoa",
+ "itoa 1.0.2",
  "ryu",
  "serde",
 ]
@@ -2129,6 +2175,7 @@ name = "supper"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "csv",
  "eframe",
  "egui_extras",
  "ehttp",
diff --git a/Cargo.toml b/Cargo.toml
index e2f0881..6cbb633 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,4 +22,6 @@ tokio = { version = "1", features = ["full"] }
 
 reqwest = { version = "0.11", features = ["json"] }
 
-img_hash = "3"
\ No newline at end of file
+img_hash = "3"
+
+csv = "1"
\ No newline at end of file
diff --git a/config.json b/config.json
index 6e39311..8a63bb6 100644
--- a/config.json
+++ b/config.json
@@ -2,7 +2,7 @@
     "ocr_regions": [
         {
             "name": "lap",
-            "x": 2290,
+            "x": 2300,
             "y": 46,
             "width": 145,
             "height": 90
@@ -29,20 +29,27 @@
             "height": 24
         },
         {
-            "name": "lap_time",
+            "name": "best",
             "x": 2325,
             "y": 169,
             "width": 183,
             "height": 43
         },
         {
-            "name": "best_time",
+            "name": "lap_time",
             "x": 2325,
             "y": 222,
             "width": 183,
             "height": 43
         }
     ],
-    
+    "track_region": {
+        "name": "track",
+        "x": 2020,
+        "y": 1030,
+        "width": 540,
+        "height": 410,
+        "threshold": 0.85
+    },
     "ocr_server_endpoint": "https://tesserver.spruett.dev/"
 }
\ No newline at end of file
diff --git a/config_1080p.json b/config_1080p.json
new file mode 100644
index 0000000..971de45
--- /dev/null
+++ b/config_1080p.json
@@ -0,0 +1,47 @@
+{
+    "ocr_regions": [
+        {
+            "name": "lap",
+            "x": 1718,
+            "y": 34,
+            "width": 109,
+            "height": 68
+        },
+        {
+            "name": "health",
+            "x": 68,
+            "y": 1023,
+            "width": 39,
+            "height": 18
+        },
+        {
+            "name": "gas",
+            "x": 156,
+            "y": 1023,
+            "width": 39,
+            "height": 18
+        },
+        {
+            "name": "tyres",
+            "x": 244,
+            "y": 1023,
+            "width": 39,
+            "height": 18
+        },
+        {
+            "name": "best_time",
+            "x": 1744,
+            "y": 127,
+            "width": 137,
+            "height": 32
+        },
+        {
+            "name": "lap_time",
+            "x": 1744,
+            "y": 166,
+            "width": 137,
+            "height": 32
+        }
+    ],
+    "ocr_server_endpoint": "https://tesserver.spruett.dev/"
+}
diff --git a/scale_config.py b/scale_config.py
new file mode 100644
index 0000000..28ba38d
--- /dev/null
+++ b/scale_config.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import argparse
+import json
+from typing import Tuple
+
+
+def parse_resolution(resolution: str) -> Tuple[int, int]:
+    a, b = resolution.split('x')
+    return int(a), int(b)
+
+def scale_x_y(x, y, from_resolution, to_resolution):
+    return (x * to_resolution[0] / from_resolution[0], y * to_resolution[1] / from_resolution[1])
+
+def scale_region(region, from_resolution, to_resolution):
+    x, y = scale_x_y(region['x'], region['y'], from_resolution, to_resolution)
+    width, height = scale_x_y(region['width'], region['height'], from_resolution, to_resolution)
+    region['x'] = round(x)
+    region['y'] = round(y)
+    region['width'] = round(width)
+    region['height'] = round(height)
+
+def main():
+    argparser = argparse.ArgumentParser()
+    argparser.add_argument("--from_res", help="From resolution", default="2560x1440")
+    argparser.add_argument("--to_res", help="To resolution (e.g. 1920x1080)")
+    argparser.add_argument("--config", help="Config file", default="config.json")
+
+    args = argparser.parse_args()
+
+    from_resolution = parse_resolution(args.from_res)
+    to_resolution = parse_resolution(args.to_res)
+    config = json.load(open(args.config, 'r'))
+    for region in config['ocr_regions']:
+        scale_region(region, from_resolution, to_resolution)
+    print(json.dumps(config, indent=4)) 
+
+
+   
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/src/capture.rs b/src/capture.rs
index 74a21ac..0cf30e8 100644
--- a/src/capture.rs
+++ b/src/capture.rs
@@ -2,7 +2,7 @@ use std::{time::Duration, thread};
 
 use anyhow::Result;
 use image::{RgbImage, Rgb};
-use scrap::{Capturer, Display};
+use scrap::Capturer;
 
 fn get_raw_frame(capturer: &mut Capturer) -> Result<Vec<u8>> {
     loop {
diff --git a/src/config.rs b/src/config.rs
index b5230fd..4ef6612 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -10,15 +10,14 @@ pub struct Config {
     pub ocr_regions: Vec<Region>,
     pub track_region: Option<Region>,
     pub ocr_server_endpoint: String,
+    pub filter_threshold: Option<f64>,
+    pub use_ocr_cache: Option<bool>,
 }
 
 impl Config {
     pub fn load() -> Result<Self> {
         load_or_make_default("config.json", include_str!("configs/config.default.json"))
     }
-    pub fn save(&self) -> Result<()> {
-        save_json_config("config.json", self)
-    }
 }
 
 #[derive(Default, Serialize, Deserialize, Clone)]
diff --git a/src/configs/config.default.json b/src/configs/config.default.json
index c021f96..e31994e 100644
--- a/src/configs/config.default.json
+++ b/src/configs/config.default.json
@@ -29,14 +29,14 @@
             "height": 24
         },
         {
-            "name": "lap_time",
+            "name": "best",
             "x": 2325,
             "y": 169,
             "width": 183,
             "height": 43
         },
         {
-            "name": "best_time",
+            "name": "lap_time",
             "x": 2325,
             "y": 222,
             "width": 183,
diff --git a/src/control_loop.rs b/src/control_loop.rs
index 928773b..3755094 100644
--- a/src/control_loop.rs
+++ b/src/control_loop.rs
@@ -1,6 +1,7 @@
 use std::{
     collections::HashMap,
-    time::{Duration, Instant}, thread,
+    thread,
+    time::{Duration, Instant},
 };
 
 use anyhow::Result;
@@ -8,12 +9,11 @@ use egui_extras::RetainedImage;
 use image::RgbImage;
 use scrap::{Capturer, Display};
 
-
 use crate::{
     capture,
-    image_processing::{self, hash_image},
+    image_processing::{self, hash_image, Region, extract_and_filter},
     ocr,
-    state::{AppState, DebugOcrFrame, ParsedFrame, RaceState, SharedAppState},
+    state::{AppState, DebugOcrFrame, ParsedFrame, RaceState, SharedAppState}, config::Config,
 };
 
 fn is_finished_lap(state: &AppState, frame: &ParsedFrame) -> bool {
@@ -104,34 +104,47 @@ fn handle_new_frame(state: &mut AppState, frame: ParsedFrame, image: &RgbImage)
     }
 }
 
-fn run_loop_once(state: &SharedAppState) -> Result<()> {
-    let mut capturer = Capturer::new(Display::primary()?)?;
-    let config = state.lock().unwrap().config.clone();
-    let learned_config = state.lock().unwrap().learned.clone();
-    let frame = capture::get_frame(&mut capturer)?;
-    let ocr_results = ocr::ocr_all_regions(&frame, config.clone(), learned_config.clone());
+fn add_saved_frame(
+    saved_frames: &mut HashMap<String, DebugOcrFrame>,
+    frame: &RgbImage,
+    region: &Region,
+    config: &Config,
+) {
+    let extracted = extract_and_filter(frame, region);
+    let retained =
+        RetainedImage::from_image_bytes(&region.name, &image_processing::to_png_bytes(&extracted))
+            .unwrap();
+    let hash = hash_image(&extracted);
+    saved_frames.insert(
+        region.name.clone(),
+        DebugOcrFrame {
+            image: retained,
+            rgb_image: extracted,
+            img_hash: hash,
+        },
+    );
+}
+
+fn run_loop_once(capturer: &mut Capturer, state: &SharedAppState) -> Result<()> {
+    let (config, learned_config, ocr_cache) = {
+        let locked = state.lock().unwrap();
+        (
+            locked.config.clone(),
+            locked.learned.clone(),
+            locked.ocr_cache.clone(),
+        )
+    };
+    let frame = capture::get_frame(capturer)?;
+    let ocr_results = ocr::ocr_all_regions(&frame, config.clone(), learned_config, ocr_cache);
 
     let mut saved_frames = HashMap::new();
 
     if state.lock().unwrap().debug_frames {
-        let hasher = img_hash::HasherConfig::new().to_hasher();
         for region in &config.ocr_regions {
-            let mut extracted = image_processing::extract_region(&frame, region);
-            image_processing::filter_to_white(&mut extracted);
-            let retained = RetainedImage::from_image_bytes(
-                &region.name,
-                &image_processing::to_png_bytes(&extracted),
-            )
-            .unwrap();
-            let hash = hash_image(&extracted);
-            saved_frames.insert(
-                region.name.clone(),
-                DebugOcrFrame {
-                    image: retained,
-                    rgb_image: extracted,
-                    img_hash: hash,
-                },
-            );
+            add_saved_frame(&mut saved_frames, &frame, region, config.as_ref());
+        }
+        if let Some(track_region) = &config.track_region {
+            add_saved_frame(&mut saved_frames, &frame, track_region, config.as_ref());
         }
     }
     {
@@ -145,8 +158,9 @@ fn run_loop_once(state: &SharedAppState) -> Result<()> {
 }
 
 pub fn run_control_loop(state: SharedAppState) {
+    let mut capturer = Capturer::new(Display::primary().unwrap()).unwrap();
     loop {
-        if let Err(e) = run_loop_once(&state) {
+        if let Err(e) = run_loop_once(&mut capturer, &state) {
             eprintln!("Error in control loop: {:?}", e)
         }
         thread::sleep(Duration::from_millis(500));
diff --git a/src/image_processing.rs b/src/image_processing.rs
index d6831bb..7188da3 100644
--- a/src/image_processing.rs
+++ b/src/image_processing.rs
@@ -1,6 +1,8 @@
 use image::{codecs::png::PngEncoder, ColorType, ImageEncoder, Rgb, RgbImage};
 use serde::{Deserialize, Serialize};
 
+use crate::config::Config;
+
 #[derive(Clone, Deserialize, Serialize)]
 pub struct Region {
     pub name: String,
@@ -8,6 +10,13 @@ pub struct Region {
     y: usize,
     width: usize,
     height: usize,
+    pub threshold: Option<f64>,
+}
+
+pub fn extract_and_filter(image: &RgbImage, region: &Region) -> RgbImage {
+    let mut extracted = extract_region(image, region);
+    filter_to_white(&mut extracted, &region.threshold);
+    extracted
 }
 
 pub fn extract_region(image: &RgbImage, region: &Region) -> RgbImage {
@@ -24,9 +33,9 @@ pub fn extract_region(image: &RgbImage, region: &Region) -> RgbImage {
     buffer
 }
 
-pub fn filter_to_white(image: &mut RgbImage) {
-    let threshold = 0.98;
-    let variance_threshold = 0.02;
+pub fn filter_to_white(image: &mut RgbImage, threshold: &Option<f64>) {
+    let threshold = threshold.unwrap_or(0.95);
+    let variance_threshold = 1.0 - threshold;
     let past_threshold_color = |v: u8| v as f64 >= (u8::MAX as f64 * threshold);
     let color_diff = |a: u8, b: u8| (a.abs_diff(b) as f64) / (u8::MAX as f64);
     for y in 0..image.height() {
diff --git a/src/main.rs b/src/main.rs
index fbabc49..4adc7e9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@ mod image_processing;
 mod ocr;
 mod state;
 mod config;
+mod stats_writer;
 
 use std::{
     sync::{Arc, Mutex},
@@ -18,6 +19,7 @@ use eframe::{
     epaint::Color32, emath::Vec2,
 };
 use state::{AppState, RaceState, SharedAppState};
+use stats_writer::export_race_stats;
 
 fn main() -> anyhow::Result<()> {
     let mut app_state = AppState::default();
@@ -101,8 +103,8 @@ impl MyApp {
     }
 }
 
-fn show_race_state(ui: &mut Ui, race: &RaceState) {
-    egui::Grid::new("current-race").show(ui, |ui| {
+fn show_race_state(ui: &mut Ui, race_name: &str, race: &RaceState) {
+    egui::Grid::new(format!("race:{}", race_name)).show(ui, |ui| {
         ui.label("Lap");
         ui.label("Time");
         ui.label("Δ Previous");
@@ -187,22 +189,36 @@ impl eframe::App for MyApp {
         egui::CentralPanel::default().show(ctx, |ui| {
             if let Some(race) = &state.current_race {
                 ui.heading("Current Race");
-                show_race_state(ui, race);
+                show_race_state(ui, "current", race);
             }
             let len = state.past_races.len();
             for (i, race) in state.past_races.iter_mut().enumerate() {
                 ui.separator();
                 ui.heading(format!("Race #{}", len - i));
-                show_race_state(ui, race);
+                show_race_state(ui, &format!("{}", i), race);
                 if let Some(img) = &race.screencap {
                     img.show_max_size(ui, Vec2::new(600.0, 500.0));
                 }
-                ui.label("Car:");
-                ui.text_edit_singleline(&mut race.car);
-                ui.label("Track:");
-                ui.text_edit_singleline(&mut race.track);
-                if ui.button("Export").clicked() {
-                    println!("EXPORT: TODO");
+                if !race.exported {
+                    ui.label("Car:");
+                    ui.text_edit_singleline(&mut race.car);
+                    ui.label("Track:");
+                    ui.text_edit_singleline(&mut race.track);
+                    if ui.button("Export").clicked() {
+                        match export_race_stats(race) {
+                            Ok(_) => {
+                                race.exported = true;
+                            }
+                            Err(e) => {
+                                race.export_error = Some(format!("failed to export race: {:?}", e));
+                            }
+                        }
+                    }
+                    if let Some(e) = &race.export_error {
+                        ui.colored_label(Color32::RED, e);
+                    }
+                } else {
+                    ui.label("Exported ✅");
                 }
             }
         });
diff --git a/src/ocr.rs b/src/ocr.rs
index 2c57c48..43d4b02 100644
--- a/src/ocr.rs
+++ b/src/ocr.rs
@@ -1,6 +1,6 @@
 use std::{
     collections::HashMap,
-    sync::{Arc, Mutex},
+    sync::{Arc, Mutex, RwLock},
 };
 
 use anyhow::Result;
@@ -9,7 +9,7 @@ use serde::{Deserialize, Serialize};
 
 use crate::{
     config::{Config, LearnedConfig},
-    image_processing::{extract_region, filter_to_white, hash_image, Region},
+    image_processing::{extract_region, filter_to_white, hash_image, extract_and_filter},
 };
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -54,26 +54,41 @@ pub async fn ocr_all_regions(
     image: &RgbImage,
     config: Arc<Config>,
     learned: Arc<LearnedConfig>,
+    ocr_cache: Arc<RwLock<HashMap<String, Option<String>>>>,
 ) -> HashMap<String, Option<String>> {
     let results = Arc::new(Mutex::new(HashMap::new()));
 
     let mut handles = Vec::new();
     for region in &config.ocr_regions {
-        let filtered_image = extract_region(image, region);
+        let filtered_image = extract_and_filter(image, region);
         let region = region.clone();
         let results = results.clone();
         let config = config.clone();
         let learned = learned.clone();
+        let ocr_cache = ocr_cache.clone();
         handles.push(tokio::spawn(async move {
-            let mut image = filtered_image;
-            filter_to_white(&mut image);
-            let hash = hash_image(&image);
+            let filtered_image = filtered_image;
+            let hash = hash_image(&filtered_image);
             let value = if let Some(learned_value) = learned.learned_images.get(&hash) {
                 Some(learned_value.clone())
             } else {
-                run_ocr(&image, &config.ocr_server_endpoint)
-                    .await
-                    .unwrap_or(None)
+                let cached = {
+                    let locked = ocr_cache.read().unwrap();
+                    locked.get(&hash).cloned()
+                };
+                if let Some(cached) = cached {
+                    cached
+                } else {
+                    match run_ocr(&filtered_image, &config.ocr_server_endpoint).await {
+                        Ok(v) => {
+                            if config.use_ocr_cache.unwrap_or(true) {
+                                ocr_cache.write().unwrap().insert(hash.clone(), v.clone());
+                            }
+                            v
+                        }
+                        Err(_) => None
+                    }
+                }
             };
             results.lock().unwrap().insert(region.name, value);
         }));
diff --git a/src/state.rs b/src/state.rs
index af39f8f..2cdd0eb 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -1,4 +1,4 @@
-use std::{sync::{Arc, Mutex}, time::{Duration, Instant}, collections::{HashMap, VecDeque}};
+use std::{sync::{Arc, Mutex, RwLock}, time::{Duration, Instant}, collections::{HashMap, VecDeque}};
 
 use egui_extras::RetainedImage;
 use image::RgbImage;
@@ -65,6 +65,7 @@ pub struct RaceState {
     pub screencap: Option<RetainedImage>,
 
     pub exported: bool,
+    pub export_error: Option<String>,
 
     pub car: String,
     pub track: String,
@@ -92,6 +93,8 @@ pub struct AppState {
 
     pub config: Arc<Config>,
     pub learned: Arc<LearnedConfig>,
+
+    pub ocr_cache: Arc<RwLock<HashMap<String, Option<String>>>>,
 }
 
 pub type SharedAppState = Arc<Mutex<AppState>>;
\ No newline at end of file
diff --git a/src/stats_writer.rs b/src/stats_writer.rs
new file mode 100644
index 0000000..3b663b2
--- /dev/null
+++ b/src/stats_writer.rs
@@ -0,0 +1,45 @@
+use std::{
+    io::BufWriter,
+    time::{Duration, Instant},
+};
+
+use crate::state::RaceState;
+
+use anyhow::Result;
+
+pub fn export_race_stats(race_stats: &mut RaceState) -> Result<()> {
+    let file = std::fs::OpenOptions::new()
+        .create(true)
+        .append(true)
+        .open("race_stats.csv")?;
+    let writer = BufWriter::new(file);
+    let mut csv_writer = csv::Writer::from_writer(writer);
+
+    for lap in &race_stats.laps {
+        csv_writer.write_record(vec![
+            race_stats.track.clone(),
+            race_stats.car.clone(),
+            format!(
+                "{:.3}",
+                lap.lap_time.unwrap_or(Duration::from_secs(0)).as_secs_f64()
+            ),
+            format!(
+                "{:.3}",
+                lap.best_time
+                    .unwrap_or(Duration::from_secs(0))
+                    .as_secs_f64()
+            ),
+            lap.health
+                .map(|x| x.to_string())
+                .unwrap_or_else(|| "".to_owned()),
+            lap.gas
+                .map(|x| x.to_string())
+                .unwrap_or_else(|| "".to_owned()),
+            lap.tyres
+                .map(|x| x.to_string())
+                .unwrap_or_else(|| "".to_owned()),
+        ])?;
+    }
+
+    Ok(())
+}