Races›United States›Oregon›Thunder River
Cascade Locks, OR, seen from above
Saturday 31 October 2026

Thunder River

Cascade Locks, Oregon · United States
UltraRiver100% trailEntries open

Traverses the Columbia River Gorge in autumn

Save to my season
Opens in RunCalendar.
Free on iPhone · No account needed.

Course

Both distances run the Pacific Crest Trail and the Gorge 400 trail before crossing the Bridge of the Gods into Cascade Locks, finishing with a loop of Thunder Island beside the Columbia River. The 50K is a point-to-point lollipop starting and finishing at Marine Park; the 25K starts at Wyeth Trailhead, with a shuttle, and finishes at Marine Park. Full-service aid stations with medical support and radio cover the course.

50K50 km
25K25 km

Key dates

Date confirmed with the organiser · entry window checked by RunCalendar
Your next race, seen from above.
Save Thunder River to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
Get RunCalendar
More races in Oregon All ›
Visit event website ›

A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.