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The organiser describes the half marathon as a course that weaves through the heart of Portland, with waterfront views, historic bridges and the Pacific Northwest skyline.
The half marathon starts at 7:20 am on Sunday 14 March 2027, the weekend of St. Patrick’s Day. The organiser calls it the city’s oldest and largest running event, and the weekend continues after the finish with live bands and a beer garden.
Sourced
The organiser says the event has been running for nearly fifty years and describes bagpipes at the start and green-lined streets along the route.
Sourced
07:207:20 AM
Times as published by the organiser, in Portland time, checked .
The forecast for Sunday
We hold no start time for this race, so the record is read at 09:009:00 AM, local time.
Add to calendar .ics file, times in Portland time
Entry through the organiser
The organiser, a third party. We take no entries and have no part in the race.
More races to look at after the Shamrock Run Portland.

Los Angeles, United States
Sun 7 Mar 202742.2 kmClimb 160 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it. Photo: Hollywood Sign, by The Fun Chronicles, CC0, via Wikimedia Commons.
Imagery: Google Earth3:12 filmBoston, United States
Mon 19 Apr 202742.2 kmClimb 105 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it.
Big Sur, United States
Sun 25 Apr 202742.2 kmClimb 288 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it. Photo: Bixby Creek Bridge, by Tuxyso, CC BY-SA 3.0, via Wikimedia Commons.
Sold outOrlando, United States
Sun 10 Jan 202742.2 km
Photo: Lake Eola Park, by OrlandoThings.com, CC BY-SA 4.0, via Wikimedia Commons.
Imagery: Google Earth3:56 filmRace weekAthens, Greece
Sun 8 Nov42.2 kmClimb 281 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it.
Imagery: Google Earth3:50 filmRace weekMalaga, Spain
Sun 8 Nov42.2 kmClimb 63 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it.
Imagery: Google Earth3:53 filmRace weekPorto, Portugal
Sun 8 Nov42.2 kmClimb 133 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it.
Imagery: Google Earth3:51 filmEntry openCuritiba, Brazil
Sun 15 Nov42.2 kmClimb 128 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it.
Compeed
Anti-blister stick
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Blister plasters, medium, 6
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ROCKBROS
Polarised sports glasses, 5 lenses

adidas
Duramo SL 2 running shoe, men
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