Thunder River
Cascade Locks, United States • 31 Oct 2026
Thunder River : Daybreak Racing
Thunder River is a late season trail event on October 31, 2026, staged from Marine Park in Cascade Locks, Oregon, within the Columbia River Gorge National Scenic Area. The event offers two marked trail races that travel on sections of the Pacific Crest Trail and the Gorge 400 trail and finish at Marine Park after a loop around Thunder Island in the Columbia River.
The available distances are:
- 50K lollipop course
- 25K point to point course
The 25K start is at Wyeth Trailhead; a shuttle from Marine Park is available for 25K runners for a fee of $15. Registration opens May 1 and published entry fees vary by registration period; fees do not include taxes, processing fees, or optional race swag. Included services listed for registrants are chip timing, live results, full service aid stations, medical support, radio communications, post race food and beverages, custom finisher awards, and professional photography.
Event logistics note a $10 daily parking fee at Marine Park paid to the Port of Cascade Locks, additional curbside parking on Wa Na Pa St, and a 12 foot clearance limit at the Marine Park entrance. Use of boot brushes is required by the US Forest Service at check-in or start areas. A portion of race proceeds will be donated to Trailkeepers of Oregon. Dogs are not allowed on the course, at aid stations, or inside the pavilion; leashed dogs are allowed outdoors at the staging area. Visit the organization's website for the most recent information.