Cottage Grove Half Marathon & 10K
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Cottage Grove Half Marathon and 10K
The Cottage Grove event on May 17, 2026 features a half marathon and a 10K along the paved Row River Trail in Cottage Grove, Oregon. The half marathon stages from Dorena School and finishes at Trailhead Park; half participants are required to use event bussing unless a limited number of vehicle exceptions apply. The 10K is an out and back course from Trailhead Park to Mosby Creek.
- Half Marathon 13.1 miles
- 10K
The half course has a net 240 foot descent and four aid stations located at approximately 2.4, 5.7, 6.9, and 9.8 miles. The 10K has one aid station near mile 3.1 at Mosby Creek. All aid stations provide Hammer Nutrition Heed. Spectator access is limited at Mosby Creek.
Packet pickup is available at Coast Fork Brewing, at Bohemia Park the day before the race, and on race morning at Bohemia Park. Participants receive event apparel, a custom finisher medal for the half, and custom pint glasses for 10K finishers. A portion of each entry fee supports Row River Trail upkeep and the Bureau of Land Management.
Awards are given to top three finishers across age divisions including 10-14, 15-18, 19-29, 30-39, 40-49, 50-59, 60-69, and 70 plus. The event follows Trail Sisters policies such as equal podiums, women specific apparel, menstrual products at aid stations, and pregnancy and postpartum accommodations. Visit the organization's website for the most recent information.
