How F1 lap times are recorded

In F1, every thousandth of a second is crucial. Drivers' performances are often separated by less than the blink of an eye, so how are F1 cars timed so accurately? To find out, Christian and Katie speak to James Clarke, a highly-trained F1 timekeeper. James explains the technology on cars and at circuits which make the timing system work, how lap times and race positions are accurately recorded, and what happens if two drivers set identical times. Get your question answered by an F1 expert Record a voice note, write an email and send it to [email protected] Find the answer in our previous episodes What F1 drivers eat - with Oscar Piastri's nutritionist, Dr Dan Martin How F1 helmets are made - with Bell Racing Ask a Formula 1 Driver – Liam Lawson answers your questions Inside the FIA Safety Car - with driver, Bernd Mayländer  How F1 video games are so realistic - with EA SPORTS F124 LIVE in Miami with Guenther Steiner + F1 Explains listeners Car setup with Fernando Alonso + Aston Martin F1 race suits, boots, gloves + underwear - with PUMA F1 brakes - technology + technique - with Brembo + Jack Doohan The job of an F1 Team Principal - with Aston Martin's Mike Krack Why F1 teammates are friends + foes - with Valtteri Bottas + Zhou Guanyu How Formula 2 + Formula 3 prepare drivers for F1 - with Oscar Piastri F1 Academy - with Susie Wolff + Lia Block The F1 race start - with Mick Schumacher + strategist Bernie Collins Behind the scenes on Drive to Survive - with Exec Producer James Gay-Rees Why F1 pre-season testing matters - with Mercedes, McLaren + Alpine How F1 teams build their new cars - with Aston Martin Technical Director Dan Fallows Listen to more official F1 podcasts For in-depth interviews with F1's biggest stars, listen to F1 Beyond The Grid  For race previews and reviews from inside the F1 paddock, listen to F1 Nation See Formula 1 live this season Tickets for races in Texas, Las Vegas, across Europe and around the world are available now. Go to tickets.formula1.com to book your seats