Ironman
70.3 (1.9 / 90 / 21.1 km) · N. America
Official website: ironman.com/im703-boise
Ironman Boise 70.3 is a 70.3 (half-distance) triathlon in United States, part of the Ironman calendar. The next edition is in July 2026. The course is 1.9 km of swimming, 90 km on the bike and 21.098 km of running.
Climbing adds up to 561 m, 535 m on the bike and 26 m on the run, a moderate amount for the distance. The course is described as hilly.
Water temperature is typically around 18 °C, wetsuit territory for almost everyone.
Pacer Quest rates Ironman Boise 70.3 as Medium: 561 m of climbing (moderate). The rating is automatic and compares total climbing for the distance, water temperature and, where results exist, how finishers compare with the average for that distance.
Open the Race Lab to simulate this course with your own swim, bike and run paces. Registration and official details are on the organiser's website.
Also in United States
More Ironman 70.3 races
Also raced in July
Other Medium 70.3 courses
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Race names are used for identification only. Pacer Quest is independent and not affiliated with, endorsed by or sponsored by The IRONMAN Group / World Triathlon Corporation, Challenge Family, T100 or any race organiser. IRONMAN® and IRONMAN 70.3® are registered trademarks of World Triathlon Corporation.