A cool 47°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Moderate winds around 15mph may affect pacing on open sections of the course. Moderate humidity at 72% is worth noting for effort level, especially in later miles.
Race day forecast available in 236 days
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Distance: 26.2mi
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Race Info
This St. Paddy’s Day tradition has a race distance for every goal: Marathon, Half Marathon, 8K, and challenges. No matter the distance, you’ll experience the best of Coastal Virginia on our flat, fast, and scenic course before you cross the finish line overlooking the Atlantic Ocean. The party continues after the race at our post race celebration on the beach with Yuengling Beer and live music.Source
The 2027 Shamrock Marathon will be held on Sunday March 21, 2027.
Is the Shamrock Marathon a Boston Marathon Qualifier?
Yes, the Shamrock Marathon is an official Boston Marathon qualifier.
What is the time limit for the Shamrock Marathon?
The time limit for the Shamrock Marathon is 7.5 hours.
What will the weather be like for the 2027 Shamrock Marathon?
The forecast calls for a high of 54°F and a low of 46°F with a 10% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
Historical Weather
Based on 25 years of data
Avg Temp
55°F
L:47° H:56°
RunScore
Conditions
Rain Freq
32%
8 of 25 yrs
Wind13mph
Dew38°F
Temperature History
Range of temperatures during race hours for each year.
