Triathlon Training Calculator
Distribute your weekly training hours across swim, bike, and run for triathlon preparation.
Reviewed October 7, 2026 Runs in your browser — inputs are never stored
Triathlon Training Calculator
Swim
1.5 hrs
15%
Bike
5.0 hrs
50%
Run
3.5 hrs
35%
This tool provides general sports and fitness estimates for educational purposes only. It is not medical advice — consult a physician before starting or intensifying training, especially if you have a cardiovascular condition.
About the Triathlon Training Calculator
The triathlon training calculator splits your weekly training hours between swimming, cycling and running according to the target race. Longer races put more weight on the bike, which makes up most of an Ironman. Adjust the split for your weakest discipline.
How to use it
- 1Enter your weekly training hours.
- 2Choose your target event.
- 3Read the hours and percentage for each discipline.
Worked example
10 hours a week for an Olympic-distance race gives about 1.5 hours of swimming, 5 hours of cycling and 3.5 hours of running.
Common use cases
- Building a weekly plan
- Balancing three sports
- Preparing for longer events
Frequently asked questions
A:A typical split is 13% swim, 55% bike, 32% run. The bike leg is longest so it requires most training time.
Reviewed for accuracy · Last updated October 7, 2026
Formulas follow published sports-science literature and official league definitions (Karvonen heart rate reserve, Cooper and Bruce protocols, MET compendium values, and standard baseball, cricket, and basketball statistics).
CalcWisee Editorial Team
Calculator development and formula review
CalcWisee is an independent site founded by Ayman. Every calculator is built from a published formula or official definition, tested against hand-worked examples before it goes live, and corrected promptly when a reader reports an issue to ayman@calcwisee.com.
Expertise: Financial mathematics, Health and fitness formulas, Applied mathematics, Unit conversion standards
References & sources