Triathlon Distances
Triathlons come in several distances, which makes the sport accessible to a wide range of athletes. Sprint races vary by event, but the common race formats below give you a useful comparison when choosing a goal.
Half-distance races are often called 70.3 races because the swim, bike, and run add up to 70.3 miles. Full-distance races follow the classic 140.6-mile format.
| Name | Swim | Bike | Run |
|---|---|---|---|
| Sprint | 0.5mi (750m) | 12.4mi (20km) | 3.1mi (5km) |
| Olympic / 5150 | 0.93mi (1.5km) | 24.8mi (40km) | 6.2mi (10km) |
| ITU Long | 1.86mi (3km) | 49.6mi (80km) | 12.4mi (20km) |
| Half / 70.3 | 1.2mi (1.9km) | 56mi (90km) | 13.1mi (21.09km) |
| Full | 2.4mi (3.8km) | 112mi (180km) | 26.2mi (42.195km) |