Oxbow Trail Runs

Oxbow Trail Runs is a family-friendly trail race at Oxbow Regional Park, outside Gresham on the Sandy River, about 30 minutes from downtown Portland. Runners choose from 5k, 10k, and Half Marathon distances. The course winds through the Ancient Forest and Elk Meadow with river views; the Half Marathon is two 10k loops plus an extra river mile, and the 10k includes a climb up Alder Ridge.

All races are cupless, with water/electrolyte stations at key points. Start/finish at Alder Picnic Area, where finishers receive an Oxbow cup for root beer floats and post-race food is provided. USATF-sanctioned; camping available; limited to 150 entrants; registration via UltraSignup. Visit the organization's website for the most recent information.