Ultramarathons in Oregon, United States
Find ultramarathons in Oregon, United States. Compare 5 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include ORRC Autumn Leaves, Thunder River and Run the Rock.
6 listed events · 5 with upcoming dates
Upcoming ultramarathons
5 matching events, earliest date first. Entry availability is shown separately.
ORRC Autumn Leaves
USASt. Paul, Oregon
Autumn endurance races on a mostly paved park loop with a dirt trail section, plus a short children’s race.
· 50K
Race details, entry and past editions →Entry information ↗Thunder River
USACascade Locks, Oregon
Columbia River Gorge trail races finishing at Marine Park, with a looped 50K and a point-to-point 25K.
· 50K
Race details, entry and past editions →Entry information ↗Run the Rock
USATerrebonne, Oregon
Trail races around Smith Rock and Gray Butte, with the 50K and 25K on Saturday and the half marathon on Sunday.
· 50K · Entry closed
Race details, entry and past editions →Salem 50K
USASalem, Oregon
Looped races at Bush’s Pasture Park on a course combining paved paths with gravel and dirt.
· 50K
Race details, entry and past editions →Entry information ↗Siskiyou Out Back Trail Runs
USAAshland, Oregon
Mountain trail races around Ashland and the Siskiyou Crest.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Rogue Gorge
USAUnion Creek, Oregon
Trail races along the Upper Rogue River, with Saturday point-to-point ultras and shorter Sunday routes.
Next date not listed
Race guide and recorded editions →Choosing a race in Oregon
The unfiltered upcoming calendar includes events in Ashland (1), Cascade Locks (1), Salem (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about ultramarathons in Oregon
Which ultramarathons are coming up in Oregon, United States?
ORRC Autumn Leaves is listed for 24 October 2026. Thunder River is listed for 31 October 2026. Run the Rock is listed for 7 November 2026 (entry closed). Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Oregon, United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.