Columbia River Half Iron
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Columbia River Half Iron Triathlon
The Columbia River Half Iron is the inaugural running on Flag Day, June 14, 2026, at Vantage Grand Resort, 320 Main St, Vantage, WA. The event comprises a swim, a road bike course, and a half marathon run.
Distances include:
- 1.2 mile swim in the Columbia River
- 56 mile hilly road bike toward Ellensburg
- 13.1 mile run to the dam and back
The swim starts in knee deep water at a boat ramp and proceeds clockwise around five buoys. Wet suits are allowed and encouraged when water temperatures are between 60 and 85 F. Certified lifeguards will be on kayaks along the swim course and participants are instructed to raise a hand if they need help. An ankle bracelet is required.
The bike course is an out and back on hilly roads. Directional instructions include arrows painted on the road, elevated signs, and chalk or flour markings. Participants must obey flaggers, police, and lifeguard instructions. Drafting is not permitted. Competitors must wear a bib for the bike and run and must have stickers on helmet and bike.
Entry options include a solo full entry and 2 person and 3 person relay teams. Relay participants must be USAT members; one day memberships are available. Registration benefits noted are a swim cap, event race wind breaker, pasta feed, and post race bash with awards. A mandatory safety briefing is scheduled June 11 via Zoom and an optional pasta feed is scheduled June 13 at 4 pm. Visit the organization's website for the most recent information.
