Karting telemetry, explained
59 guides on reading your data and finding lap time — telemetry fundamentals, data analysis, sensors, driving technique and setup. Written by Alessio Lorandi, 2013 Karting World Champion.
Data Analysis
18 articlesPillar10 min
How to Analyze Kart Racing Data: A Step-by-Step GuideThe 20-minute post-session routine I use with the drivers I coach: download, overlay, find the corner that's costing you, change one thing.13 June 20268 min
Syncing Onboard Video With Telemetry DataData says what happened, video says why. How to sync video with telemetry three ways, the camera habit worth building, and how to read the pair.25 June 20268 min
Math Channels: Derived Data That Makes You FasterMath channels turn the data you already log into answers: combined G, corner radius, brake aggression, consistency. The five I'd build first, with formulas.24 June 20268 min
Throttle Trace Analysis: Where Karting Drivers Really Lose TimeMost karts never log the throttle, yet the throttle story is written in RPM and speed anyway. How to read application, hesitation and overlap in data.23 June 20268 min
Analyzing Wet Session Data: What Changes in the RainRain rewrites every number in your telemetry. Which channels still tell the truth, which references to throw away, and how I went from 2.1s off to wet wins.20 June 20268 min
The Friction Circle (G-G Diagram) Explained for KartingThe friction circle shows whether you're using all the grip your kart has. How to read the G-G diagram, what a kart's cloud should look like, and the gaps that cost time.19 June 20267 min
GPS Accuracy in Karting: How Much Can You Trust Your Data?GPS gives braking points within metres and lap times within hundredths, then lies at hairpin speed. What 10Hz vs 25Hz really buys, and when to trust the trace.16 June 20267 min
Corner Exit Speed: Why It Matters More Than Apex SpeedExit speed compounds down the whole straight, but the usual advice for getting it is wrong. What exits are made of, and why braking early isn't it.15 June 20268 min
10 Data Analysis Mistakes Karting Drivers Keep MakingThe logger isn't the problem. From stopwatch-mode to the excuses hat, ten data analysis mistakes I see in every paddock, and the fix for each one.15 June 20267 min
Exporting Telemetry to CSV: Analyze Your Kart Data AnywhereYour kart data doesn't have to live inside one program. How to export telemetry to CSV, what's inside the file, and a free starter spreadsheet to paste into.15 June 20268 min
RPM Data in Karting: Reading the Trace for Gearing and Corner SpeedYour RPM trace tells you when the gearing is wrong, where the engine bogs, and which corners you're driving badly. How I read it, with examples.14 June 20267 min
How to Run a Post-Session Debrief (Template Included)A 15-minute karting debrief that actually gets done between sessions: feelings first, one verdict, one change. With a printable template to take trackside.14 June 20267 min
Sector and Split Analysis: Breaking the Lap Into PiecesWhole lap times hide where you're fast and slow. How I use sectors, splits and the theoretical best lap to find exactly which pieces need work.14 June 20269 min
How to Compare Two Laps: Overlay Analysis for Karting DriversOverlay analysis is the fastest way to find lap time in karting. How I pick a reference lap, read the delta, and steal tenths from faster teammates.13 June 20268 min
Delta Time: The Most Useful Trace Most Karting Drivers IgnoreDelta time shows exactly where a lap gains or loses against a reference, metre by metre. What the line means, how to read it, and the math behind it.13 June 20269 min
How to Read a Speed Trace (and Spot Time Left on Track)A speed trace shows every corner as a valley, and every valley holds a verdict. How I read braking shape, minimum speed and exit slope in kart data.13 June 20268 min
How to Measure (and Fix) Lap-to-Lap ConsistencyConsistency over 20 laps is an index of how good a driver is. The numbers that measure it, what they predict in races, and how to tighten yours.13 June 20269 min
Lap Time Analysis: How to Find Exactly Where You're Losing TimeTheoretical best laps, sector maths and the sum-of-deltas exercise I make my drivers do. A coach's method for finding lost lap time.13 June 2026Sensors & Hardware
10 articlesPillar8 min
Kart Sensors Explained: RPM, Temperature, Speed and GPSEvery kart sensor explained in one place: what each one measures, the operating window it guards, and which ones matter at your level of racing.14 June 20268 min
1T vs 2T Loggers: What a Second Temperature Channel Tells You1T means one temperature input, 2T means two. What the second channel actually buys you, who needs it, and the upgrade question answered honestly.28 June 20268 min
Why Your Lap Timer Isn't Reading Laps (and How to Fix It)A lap timer that won't read laps fails by technology: strip height, GPS gate, beacon sight or dead battery. The diagnosis tree that finds yours in minutes.28 June 20268 min
CHT vs Water Temp: Which Temperature Should You Monitor?Cylinder head temperature or water temperature? What each sensor really watches, why air-cooled classes have no choice, and when running both makes sense.25 June 20268 min
How Kart Lap Timers Actually Work: GPS, Magnetic Strips and BeaconsTransponders and loops, magnetic strips, infrared beacons and GPS gates: how every kart lap timing technology works, and why your timer disagrees with the official screen.25 June 20268 min
Lambda Sensors in Karting: Air/Fuel Data ExplainedLambda measures the mixture itself instead of guessing from heat. What a kart lambda sensor reads, why I rate it above EGT, and who should actually run one.20 June 20268 min
Kart Water Temperature: What's Normal and What Your Data SaysAround 50°C is the north star, 56°C is lap time given away. Normal kart water temperature by class, the curtain habit, and overheating signatures in data.19 June 20268 min
Data Logger Battery Care: Charging Habits That Extend LifeDead loggers lose sessions you can't re-drive. Charging habits, storage rules and the weekend routine that keeps kart data logger batteries alive for years.18 June 20268 min
EGT in Karting: Using Exhaust Temperature Data to Jet RightEGT is the carburettor's thermometer. How to read kart exhaust temperature at the bottom and the top, the driving-style trap, and the seize-risk drift.16 June 20268 min
Mounting and Wiring a Kart Data Logger the Right WayA sloppy install makes confident fiction out of good sensors. Mounting, routing and wiring a kart data logger step by step, plus the checks that catch bad data early.15 June 2026Driving Technique
10 articlesPillar9 min
The Racing Line in Karting, Explained With TelemetryOut wide, apex, out wide is where the racing line starts, not where it ends. GPS lines, minimum speeds and when to break the geometric rule.16 June 20268 min
Overtaking in Karting: Setting Up Passes That StickThe inside means the corner is yours. Where passes really happen, the around-the-outside odds nobody calculates, and the one group move worth its risk.26 June 20268 min
Using Data to Build Confidence (Not Anxiety) in Young DriversPressure breaks laps in predictable ways, and the same laptop can build a driver or break one. How data, routines and the right reframe protect young drivers.21 June 20268 min
Karting in the Rain: Technique Changes the Data DemandsEveryone sucks in the wet at first. The lines off the rubber, the upright braking, the patient throttle, and the deliberate practice that turns rain into an edge.21 June 20268 min
How to Learn a New Kart Track Fast (Using Your First 10 Laps of Data)I won a world title at a track nobody had driven. The method: homework before arrival, a disciplined first ten laps, and data that turns recon into lap time.21 June 20268 min
10 Mistakes Beginner Karting Drivers Make (Visible in Their Data)Every beginner makes the same ten karting mistakes, and every one of them leaves a fingerprint in the data. The list, the fixes, and where each one hides.19 June 20268 min
Smooth Hands, Fast Laps: What Steering Data RevealsSmooth doesn't mean slow hands. What kart steering technique actually looks like, the angle tax karts charge, and how to read your hands in data and video.18 June 20268 min
Trail Braking in Karting: How to Do It and How to See It in DataTrail braking is a release skill, not a braking skill. How it works on a kart, the drill that builds it, and the three data signatures that prove it's happening.18 June 20268 min
Karting Corner Types: How to Attack Hairpins, Sweepers and ChicanesEvery corner type wants a different attack. Hairpins, sweepers, chicanes, combinations and the cash-out corner, each with its data signature and priority.16 June 20269 min
Braking Technique in Karting: A Data-Driven GuideWhy entries win races, what deceleration efficiency means, and how to read your braking in the data. A world champion's guide to kart braking.14 June 2026Getting Started
8 articlesPillar9 min
How to Get Into Kart Racing: The Complete Starter GuideFrom first rental session to your first championship: the ladder, the real costs, and the honest odds, from a karting world champion who climbed it.17 June 20269 min
Race Weekend Preparation: A Karting Checklist (Data Prep Included)Weekends are won on Thursday night. The full race weekend checklist for karting: kart, gear, driver and data, with a printable PDF for the toolbox.27 June 20268 min
Sim Racing for Karting Drivers: What Transfers and What Doesn'tSim rigs promise lap time. Some of it is real. I prepared Pau and Macau in team simulators, so here's what transfers to karting and what never will.24 June 20268 min
The Real Cost of Kart Racing: A 2026 Season Budget BreakdownWhat kart racing really costs in 2026, tier by tier: rental sessions, owning a kart, club racing, national and international seasons, in real euro ranges.23 June 20269 min
Karting Classes Explained: From Cadet to KZ (and 2-Stroke vs 4-Stroke)Every kart racing class on one page with current names: Mini, OK-Junior, OK, KZ, X30, Rotax, LO206. Ages, engines, and the 2-stroke vs 4-stroke answer.23 June 20269 min
A Parent's Guide to Junior Karting and Data CoachingA junior karting guide for parents: what helps, what hurts, what it honestly costs, and how data coaching turns tense race weekends into steady progress.22 June 20269 min
From Karting to Car Racing: How Data Skills Transfer Up the LadderWhat carries over from karting to car racing? Less of the feel than you think, almost all of the method. The honest map from a driver who climbed it.20 June 202610 min
Karting Telemetry Glossary: 75 Data Terms Every Driver Should Know75 karting data terms in plain words: channels, traces, delta time, tyre data and session jargon. A reference glossary from a karting world champion.17 June 2026Kart Setup
7 articlesPillar9 min
Kart Setup Basics: A Data-First PrimerThe perfect setup doesn't exist; the window does. What each adjustment changes, how to test one thing at a time, and how data settles setup arguments.15 June 20268 min
Seat Position and Weight Distribution: What Actually Changes in the DataThe seat is the biggest setup lever most drivers never touch. Why it rules the kart's balance, what height cost me, and the before/after data experiment.26 June 20269 min
Kart Understeer or Oversteer? Diagnosing Balance From DataFront washing wide or rear snapping loose? A decision tree that reads minimum speed and steering corrections to name your kart's balance problem.26 June 20268 min
Kart Gearing: How to Choose Sprockets Using RPM DataStop guessing sprockets. The limiter-metres method, the minimum-RPM floor check, and the verdict table that converts any RPM trace into a tooth count.22 June 20268 min
Jetting a 2-Stroke Kart by the Numbers: EGT and RPM MethodJetting runs on folklore in most paddocks. The EGT-first method, the weather directions, the race-day drift, and the checks that replace plug-colour guessing.22 June 20268 min
Track Grip Evolution: Reading Changing Conditions Through Your DataThe track is never the same twice. What makes grip rise and fall across a race day, and how track grip evolution shows up in your own telemetry.17 June 20268 min
Kart Tire Pressure: Finding Your Optimum With DataThe manufacturer's pressure is a starting point, not a law. The window framing, the hot-day story that proves it, and the data method that finds your real number.16 June 2026AI & Future
4 articlesPillar9 min
AI Coaching in Motorsport: How an AI Racing Coach Actually WorksAn AI racing coach automates what a good data engineer does: braking, minimum speed, exits, gears. What the tech actually does, and what it can't.24 June 20268 min
F1 Telemetry Explained: Same Science as Karting, Different BudgetF1 telemetry explained by a driver who lived both ends: F2 data rooms and karting tents. Hundreds of channels, one logger, the same six questions.28 June 20268 min
The Future of Karting Telemetry: From Data Loggers to AI CopilotsWhere karting data is going next, from a driver who lived the arc from dash times to AI coaching. The visible directions as of 2026, and what won't change.27 June 20268 min
Who Owns Your Racing Data? Telemetry, Privacy and Fair PlayYou generated every byte of your telemetry, so why can't you take it with you? My position on racing data ownership, portability and fair play.27 June 2026Telemetry Fundamentals
2 articlesPillar11 min
Karting Telemetry: The Complete Beginner's GuideI won a karting world title reading data most drivers ignore. What telemetry records, which trace to learn first, and how to turn numbers into lap time.13 June 20269 min
Kart Data Loggers Explained: What They Record and Why It MattersWhat a kart data logger actually measures, what the money buys, and the honest buying logic from a world champion who has used them all.13 June 2026