Hagg Lake Triathlon
Jun 20, 2026
Gaston, OR
Olympic/Sprint/Off-RoadDistance
Olympic
Distance
Sprint
Distance
Off-Road
Distance
Duathlon
Distance
Aquabike
Distance
Half Marathon Trail
Distance
5K Trail
Event Details
About the race
"Set your intention, pick your race, and start your journey."
"The PNW shines on race day here in Gaston, OR."
45th Anniversary - one of nation's oldest triathlon events. Scenic course with rolling hills. Now offering off-road triathlon and trail runs.
Race Organizer
Training Phase
16w to goBuild
Add race-pace intervals. Begin brick workouts (bike-to-run transitions).
BaseBuildPeakTaperRace
Frequently Asked Questions
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Event locations
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