Here is a reference to the standard distances for Duathlons and Triathlons across a variety of organisations including Powerman, Challenge, ETU, ITU and Ironman. An “Ironman” is a branded term and other organisation CANNOT call their event an Ironman distance…hence they sometimes use the term Iron Distance or Half Iron (not sure if that is allowed either but they use it!).
Distances of individual events may vary from race to race, but there are some standard triathlon distances, quoted in terms of swim/bike/run:
- Super sprint – 400m/10km/2.5km
- Sprint distance – 750m/20km/5km (or 400-500m swim if in a pool)
- Standard distance – 1500m/40km/10km (aka Olympic)
- Half-Iron or 70.3 – 1900m/90km/21km (as in Ironman series)
- Middle distance – 2.5km/80km/20k
- Long distance – 4km/120km/30km
- Iron distance – 3.8km/180km/42km (as in Ironman series)
DUATHLON:
- Sprint distance – 5km/20km/2.5km – GB Elite Champs are at this distance.
- Powerman Sprint – 5km/30km/5km (Powerman Sprint Distance, ETU event sometimes)
- Standard distance – 10km/40km/5km (in USA sometimes called Olympic Distance)
- Classic distance – 10km/60km/10km (Powerman Classic Distance)
- Long distance – 10km/150km/30k (eg Zofingen)
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