Hagg Lake Triathon & Trail Festival
Gaston, Oregon, United States
Jun 21, 2026 - Sunday
5k, Half-marathon
Video
Race Information
The annual Hagg Lake Triathlon & Trail Festival is one of the oldest and most gorgeous triathlon courses in the nation and has race options for a half-marathon trail run and a 5k trail run during the 2-day weekend event. Hosting the USAT Cross Triathlon and Duathlon Nationals, there will be tent camping available Friday and Saturday night.
Related Events
Run for the Fun of It (Race 2 - Lents Park)
Date: Jun 14, 2026 - Sunday
Size: 100 - 500 participants
Location: Portland, Oregon
Wild Woman Trail 50K, Marathon, Relay, or Half-Marathon
Date: Jun 20, 2026 - Saturday
Size: 100 - 500 participants
Location: Trout Lake, Washington
Ladybug Run for CDH Awareness
Date: Jul 11, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Tigard, Oregon
👍 Run Pick of the Month - Snohomish Women's Run
📍 Everett, WA - May 9, 2026
An empowering, inclusive, and unforgettable Pacific Northwest race!
💸 SAVE 10% On Your Entry. Use Code RG10
😄 Why We Like This Run
✅ A women-centered run welcoming all genders and abilities.
✅ Fast and flat courses with aid stations and pace leaders for the half-marathon.
✅ Long-sleeve tech hoodie for every runner and supporting local charities.
Run along the scenic Snohomish River in Washington on flat, fast, and well-supported 5K, 10K, or Half Marathon courses, perfect for personal bests or a motivating day on the run.
Take part in this celebration of strength, community, and movement!
Get a Training Plan for this Run
Receive 2 FREE Weeks of personalised run training from our friends at Runna
The Runna app, the ultimate running coach in your pocket, gives you personalised programs that sync with your favourite devices, includes strength and mobility training, and offers complete support.
You get 2 weeks for free!
Learn more about Runna. Click the link below.
🏃 Looking For More Runs Near Portland?
Find another distance:
Race Facts
Race Size: 1,000 - 5,000
Elevation: Some Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.
