Runners will face a temperature increase from 52°F to 68°F during the race. With a max wind of 7 mph from the SSW and an average humidity of 71%, hydration will be key. Runners should start conservatively and adjust their pace as temperatures rise, avoiding overexertion in the warmth.
Race day forecast available in 172 days
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Pace Calculator
Distance: 26.2mi
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Common Goals:
The Portland Marathon Presented by OHSU Health is an annual sporting event which takes place on the first Sunday of October in Portland, Oregon, first held in 1972. The race consists of a full marathon (42.195 kilometres (26.219 mi)) as well as a half marathon (21.098 kilometres (13.110 mi)). The race starts and ends at the Tom McCall Waterfront Park at Salmon Street and Naito Parkway, and includes several bridge crossings and multiple iconic landmarks in Portland. The field has reached over 10,000 runners.Wikipedia
Course Map
FAQ
When is the 2026 Portland Marathon?
The 2026 Portland Marathon will be held on Sunday October 4, 2026.
Is the Portland Marathon a Boston Marathon Qualifier?
Yes, the Portland Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Portland Marathon?
The forecast calls for a high of 69°F and a low of 52°F with a 0% chance of rain.
Historical Weather
Based on 24 years of data
Avg Temp
67°F
L:51° H:67°
RunScore
Conditions
Rain Freq
21%
5 of 24 yrs
Wind7mph
Dew49°F
Temperature History
Range of temperatures during race hours for each year.
