IRONMAN 70.3 Boise

Lucky Peak State Park, 9723 East Highway 21, Boise, ID 83716, Idaho, United States
Ticket price
Free
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Lucky Peak Launches Boise’s New Half-Distance Triathlon

Athletes begin at Lucky Peak Reservoir before cycling and running toward downtown Boise, creating a destination race that links outdoor and urban Idaho.

Start date
25 July, 2026
End date
25 July, 2026 3:00 PM

Event details

Lucky Peak Reservoir launches one of Boise’s newest half-distance triathlons, sending athletes into open water at 6:30 a.m. before they climb into the foothills on two wheels and finish with a run through downtown energy by mid-afternoon. The course links reservoir recreation and city streets in a way few triathlons manage.

That link between wilderness start and urban finish is the race’s defining feature. Athletes begin surrounded by reservoir scenery and forested hills, then spend the final miles running past downtown Boise’s restaurants and storefronts, giving supporters two very different vantage points to catch their racer during the same event.

Mandatory logistics — bike check-in, an early reservoir start and a downtown finish spread across the day — mean most competitors plan for a multi-night Boise visit rather than a single-day trip. Extra time pays off well beyond race day: the Boise River Greenbelt connects the reservoir to downtown by bike, Table Rock offers sweeping views for an early hike, and Arrowrock Reservoir rewards anyone craving quieter water upstream from the race course.

Event Type and Audience

Race All Ages
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