2027 race date
IRONMAN 70.3 Boise: July 24, 2027. Checked against the official organizer source on October 13, 2026.
The date was checked separately from the course and planning details below, reviewed October 14, 2026. Recheck entry availability and the final athlete guide before travel.
Lucky Peak, a hilly bike and a flatter run
The IRONMAN Boise course overview describes a reservoir swim at Lucky Peak, a hilly bike course and a flat run for July 24, 2027. The course combination makes bike restraint important: the flatter run still begins after 90 km of riding, rather than with the fresh legs of a standalone half marathon.
Prepare for sustained climbing on the bike with gearing that lets you keep a controlled effort. Practise easing back after a climb instead of carrying every surge into the next section. Use manageable bike-to-run sessions to learn how that choice affects the first kilometres of running, rather than judging bike preparation only by the fastest ride you can complete.
For the reservoir swim, practise open-water sighting and comfortable starts in an appropriately supervised setting. Confirm the current course direction, entry procedure and equipment rules in the athlete guide. A typical water-temperature statistic on an event page is not the race-morning wetsuit decision.
Map the swim venue, transition arrangements and finish before booking transport. Do not assume that a general Boise city address covers every reporting location or that spectators can move between them without restrictions. Build a separate checklist for bike check-in, race-morning belongings and collecting equipment after finishing. Finally, use the current forecast for pacing and clothing decisions: climate summaries describe context, while the day's conditions and organizer instructions determine what you actually need on the course.
Last-known race profile
These details identify the race page; they do not establish the next edition's operations. Confirm current course and operations on the official event site.
Build consistent training
Use the training start-date calculator and compare the IRONMAN 70.3 training hub. Choose the runway from current readiness; calendar arithmetic does not establish fitness.
Training calendar
These start dates count back from the first listed race day. For a multi-day event, recalculate from your assigned day. The duration is a planning option, not proof of readiness.