Oregon · 50K · 25K
Thunder River
Thunder River is a 50K and 25K event held in Cascade Locks, Oregon. Its next confirmed date is Saturday, October 31, 2026.
- Race day
- October 31, 2026
- Location
- Cascade Locks, OR
Race details
- Date
- Saturday, October 31, 2026
- Location
- Cascade Locks, Oregon
- Distances
- 50K, 25K
- Course
- 50K: ~4,500 ft gain / 4,500 ft loss over 31.3 mi; 25K: ~2,300 ft gain / 2,350 ft loss over 15.6 mi (official GPX/elevation profile)
- Registration
- daybreakracing.com
Registration, course & weather
- Registration status
- Registration status as last checked September 28, 2026: open
- Entry fee
- Listed fee for the longest distance, $165 (from daybreakracing.com, checked September 28, 2026)
- Start time
- 8:00 AM PDT
- Course profile — 50K
- Lollipop course (a loop with an out-and-back section); Trail surface; 4500 ft gain, 4500 ft loss (official course data); Not USATF certified
- Course profile — 25K
- Point-to-point course; Trail surface; 2300 ft gain, 2350 ft loss (official course data); Not USATF certified
About the Thunder River
Thunder River is a fall trail race in the Columbia River Gorge, staged from Marine Park in Cascade Locks, OR. The 50K runs a lollipop route and the 25K a point-to-point course, both traveling the Pacific Crest Trail and Gorge 400 Trail before finishing under the Bridge of the Gods and around Thunder Island.
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Thunder River: common questions
- When is the Thunder River?
- The next confirmed date is Saturday, October 31, 2026.
- Where is the Thunder River held?
- In Cascade Locks, Oregon.
- What distances does the Thunder River offer?
- 50K and 25K.
- How do I register for the Thunder River?
- Registration is handled by the organiser at daybreakracing.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Thunder River?
- Registration status as last checked September 28, 2026: open. Listed fee for the longest distance, $165 (from daybreakracing.com, checked September 28, 2026).
- What time does the Thunder River start?
- 8:00 AM PDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.