Lap Time Calculator

How to Analyze Lap Times

Enter lap times to see your total session time, average lap, fastest lap, and slowest lap — key metrics for tracking performance.

Step-by-step

  1. Enter each lap time in M:SS.ss format (e.g., 1:23.45 for 1 minute 23.45 seconds).
  2. Separate laps with line breaks or commas.
  3. Click Calculate to see total, average, fastest, and slowest laps.

Worked example

Laps: 1:23.45, 1:25.10, 1:21.80. Total = 4:10.35. Average = 1:23.45. Fastest = 1:21.80. Slowest = 1:25.10.

Performance tips

Consistent lap times (small gap between fastest and slowest) indicate good pacing. Large variations may signal fatigue, traffic, or inconsistent technique. Track your average over multiple sessions to measure improvement.