Columbia River Half Iron

SEP
27
2026
A full half iron triathlon at Vantage Boat Ramp with a 1.2 mile swim, 56 mile hilly bike, and 13.1 mile run plus relay and virtual options.
Sun 27 Sep 2026
Middle distance 1.2 56 13.1 mi

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About the race

The Columbia River Half Iron is a full half iron distance triathlon based at the Vantage Boat Ramp in Vantage, WA. The event includes open-water swimming in the Columbia River, a road bike course that travels toward Ellensburg and returns to the venue, and a run that goes to Wanapum Dam and back. Organizers are finalizing the run and bike course with county officials to confirm safety measures.

Course and race rules include:

  • 1.2 mile swim in the Columbia River, starting from the boat ramp and circling five buoys clockwise
  • 56 mile bike hilly out-and-back road route toward Ellensburg
  • 13.1 mile run out to Wanapum Dam and back

Safety and logistics details: a mandatory safety briefing will be held via Zoom; certified lifeguards will monitor the swim from kayaks; participants must obey flaggers and lifeguards. Participants must wear bibs on the bike and run and display stickers on helmet and bike. Drafting on the bike is not permitted. Wetsuits are allowed and encouraged for water temperatures of 60 to 85 F.

Entry options include individual full entries, two and three person relays (USAT membership required), and a virtual 70.3 option. Registration benefits listed by the organizer include a swim cap, event windbreaker, pasta feed, and post-race awards. Visit the organization's website for the most recent information.

70 mi
Full Half Iron 1.2s, 56b, 13r
70 mi
3 Person Relay Half Iron
70 mi
2 Person Relay Half Iron
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