70.3 Half Ironman Triathlons found
View all ↓70.3 Half Ironman Triathlons 2025 - 2026
Half Ironman Triathlons: Distances
Swim: 1.2 miles (1.9 km)
Bike: 56 miles (90 km)
Run: 13.1 miles (21.1 km, equivalent to a Half Marathon)
The Half Ironman triathlon is the perfect challenge for any triathlete looking to step up to middle-distance triathlons. Itβs long enough to test your endurance and mental strength but still achievable with a few months of dedicated training. Completing 70.3 miles (or 113 km) of swimming, cycling, and running is no small feat and an accomplishment to be proud of.
Middle-distance triathlons are gruelling, but finding your ideal race shouldnβt be. Whether youβre after a local race or an national event, youβll find it here on findarace.com. Check out our comprehensive 2025 - 2026 Canadian middle-distance triathlon calendar below and use the βRefineβ button to filter by location, date, or terrain to find your perfect event.
Once youβve conquered the Half Ironman, donβt forget to return and check out our calendar of Full Ironman Triathlons to take your triathlon journey to the next level!
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70.3 Half Ironman Triathlons 2025 - 2026