Marathons in Portland, Oregon 2026

2 marathons and running events in Portland

🏃 Portland
Registration Open Mar 15, 2026
United States

Shamrock Run Fest

Portland, Oregon Half Marathon, 5K, Kids' Run, 15K, 8K
20,000 runners
$54.00 entry View Details →
🏃 Portland
Registration Open Oct 4, 2026
United States

Portland Marathon by OHSU

Portland, Oregon Full Marathon, Half Marathon, Kids' Run
BQ Certified 3,000 runners
$149.00 entry View Details →