Shamrock Run
Portland's Shamrock Run Fest offers a historic St. Paddy's Day celebration with multiple distances.
Race Date
Mar 14, 2027
Location
Portland, OR
Quick facts
- Date
- Sunday, March 14, 2027
- Location
- Portland, Oregon
- Distance
- Half marathon (13.1 mi) + 15K, 8K, 5K run | kids run
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Yes
Highlights
Good For
Atmosphere
Course
The Experience
The Shamrock Run Fest in Portland, Oregon, is the city's longest-running tradition, celebrating St. Patrick's Day with a vibrant atmosphere and multiple race options. Runners can choose from a half marathon, 15K, 8K, 5K, or a kids' run, ensuring an event for every level of participant.
The course is noted for its scenic route through the city, though specific details on elevation are minimal, suggesting a relatively flat profile. The race typically takes place in mid-March, with average temperatures ranging from 36-53°F, offering a cool but potentially damp running experience typical of the Pacific Northwest.
With a history dating back to the early days of organized running in Portland, the Shamrock Run Fest has evolved into a beloved community event. Participants can expect a festive St. Paddy's Day vibe, culminating in an Irish after-party, providing a memorable conclusion to the race day.
Race-provided description
Join the Shamrock Run Fest on March 14, 2027, in Portland, Oregon! Choose from the Half Marathon, 8K, 5K, Stride, or Lucky Lap and experience the city’s oldest running tradition. Run a scenic course, soak up St. Paddy’s Day vibes, and celebrate with the Kell’s Irish After Party.
Course Info
USATF CertifiedCourse Type
Point to Point
Terrain
road
Scenery
Urban
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
+0.05 m
Separation
2.3%
Also Offers
USATF Certified Course
OR26002JH · Shamrock Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
USATF certified · 3 timing sources
no finisher data yet
no winner time yet
typical high 53°F
Race Day Weather
5-year historical avgStart (Low)
36°
Afternoon (High)
53°
Ideal racing weather — cool and comfortable
0.2"
Precipitation
10 mph
Wind
80%
Humidity
Race Photos
Frequently asked
When is the Shamrock Run?
The Shamrock Run is held on Sunday, March 14, 2027.
Where does the Shamrock Run take place?
It takes place in Portland, Oregon.
What distances does the Shamrock Run offer?
The half marathon (13.1 miles), plus 15K, 8K, 5K run | kids run.
Is the Shamrock Run course flat and good for a PR?
The Shamrock Run is a ultra-flat, point to point course. The course is USATF-certified, so finish times can be used for qualifying.
HalfRuns editorial — independent, no paid placement.
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