Clarence DeMar Marathon

Sunday, September 27, 2026

Keene, New Hampshire

Race Day

Sunday, September 27, 2026

Course

Loop

Also Offers

26.2M

Registration

Race Website

Official race information

☀

Avg High

68°F

☽

Avg Low

52°F

☂

Precip

0.12 in

🍃

Wind

8.7 mph

80% humidity·Based on 5-year historical data

APR 4

Cheap Marathon

MAY 3

Wallis Sands Half Marathon

MAY 9

Granite State Marathon

MAY 17

Margarita Half Marathon & 5K

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Race Day

Sunday, September 27, 2026

Course

Loop

Also Offers

26.2M

Registration

Race Website

Official race information