Shamrock Half Marathon
- When
- Sun, Mar 15, 2026, 4:00 AM
- Where
- Portland, US
- Distances
- 5K · 10K · Half Marathon
- Terrain
- ROAD
- Price
- 31–84 USD
- Typical weather
- Cool
- Organizer
- Motiv Sports
About
The Shamrock Half Marathon is organized by Shamrock Run Fest / Toyota and takes place on March 15, 2026, in Portland, Oregon, starting on Naito Parkway & Pine Street. The course is a scenic road loop weaving through downtown Portland, past waterfronts and bridges, culminating in a festive St. Patrick’s Day atmosphere.