Sports

Triathlon Calculator

Free triathlon calculator for Sprint, Olympic, Half Ironman (70.3), and Ironman races. Calculate total finish time from swim, bike, run paces. Plan transitions and race strategy.

Select a race type

Swim 1.5km • Bike 40km • Run 10km

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Plan Your Triathlon Race Time

Calculate your estimated triathlon finish time based on your swim, bike, and run paces. Plan for all major triathlon distances including Sprint, Olympic, Half Ironman (70.3), and full Ironman races. Account for transition times to get an accurate race prediction.

Understanding Triathlon Distances

Triathlon combines swimming, cycling, and running in sequence. Standard distances include Sprint (750m swim, 20km bike, 5km run), Olympic (1.5km/40km/10km), Half Ironman 70.3 (1.9km/90km/21.1km), and full Ironman 140.6 (3.8km/180km/42.2km). Transitions (T1 and T2) are timed portions between disciplines.

Total Time Calculation

Total = Swim + T1 + Bike + T2 + Run

Why Use a Triathlon Calculator?

Set Realistic Goals

Know your expected finish time based on current fitness to set achievable race goals.

Plan Pacing Strategy

Break down the race to pace each discipline appropriately for your target time.

Optimize Transitions

Understand how T1 and T2 times impact your overall finish time.

Track Progress

Compare projected times as your training improves across all three disciplines.

How to Use This Calculator

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Typical Triathlon Finish Times

Sprint Triathlon

Beginners: 1:30-2:00, Intermediate: 1:10-1:30, Advanced: Under 1:10. Great starting race for new triathletes.

Olympic Triathlon

Beginners: 3:00-3:30, Intermediate: 2:15-3:00, Advanced: Under 2:15. The standard international race distance.

Half Ironman (70.3)

Beginners: 6:00-7:00, Intermediate: 5:00-6:00, Advanced: Under 5:00. Cutoff typically 8:30.

Ironman (140.6)

Beginners: 13:00-15:00, Intermediate: 11:00-13:00, Advanced: Under 11:00. Cutoff is 17 hours.

Frequently Asked Questions

Beginners: 3-5 minutes each. With practice: 1-2 minutes for T1, 1-2 minutes for T2. Elite athletes: under 1 minute. Fast transitions can save 5-10 minutes over a race.