70.3 Boise

Saturday 25 July 2026
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US Boise Idaho, United States
70.3 Boise race will kick off in the pristine waters of Lucky Peak Reservoir, with a 1.2-mile swim starting and finishing in the easily accessible Barclay Bay area. Once out of the water, athletes will head to transition 1 located at the Barclay Bay Parking Area. Athletes will be greeted with a sweeping downhill ride upon exiting the Lucky Peak Reservoir area to start their 56-mile cycling journey through the region. Athletes can expect a rolling, scenic tour of rural Boise roads and neighborhood streets before ending their bike journey with a downtown finish at transition 2. The popular Boise River Greenbelt Trail will play host to the IRONMAN 70.3 Boise run course. The flat, two-loop, 13.1-mile course, will be packed with shade and spectators as athletes wind along the Boise River to complete their journey in downtown Boise.


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Saturday 01 Nov 2025 [Triathlon News]

In the 2025 IRONMAN 70.3 Langkawi, Josh Ferris of Australia and Julie Derron of Switzerland secured commanding wire-to-wire victories in the men's and women's professional categories, respectively, navigating the race's challenging heat and hilly course. Both Ferris and Derron highlighted the extreme heat and the difficulty of the course, especially the run segment, as major challenges of the day. more

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