IRONMAN Boulder

At a glance

Date

2026-06-13

Format

Half / 70.3

Difficulty

Competitive (4/5)

Prestige

Continental (4/5)

Course & location

Boulder, US

GPS: 40.0150°, -105.2706°

Elevation: 1628 m

Typical conditions: ~19.2°C, 43.9mm precip