Connecticut Marathon Calendar 2025-2026

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Explore the best marathons in Connecticut for 2025-2026! Our updated list features 5 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!

November 2025
Nov
8
Saturday

Roxbury Marathon

Half Marathon Marathon 50 km
Nov
16
Sunday

Tarrywile Half Marathon

Trail Run 10 km Half Marathon Marathon
March 2026
Mar
28
Saturday

Savin Rock Marathon

Half Marathon Marathon
October 2026
Oct
3-4
Sa - Su

Forbidden Forest 30 Hour Ultra Run

Backyard Ultra 26 mi 50 km ... 100 km 100 mi
Oct
11
Sunday

Mohawk Mountain Race

Trail Run 5 km 10 km Half Marathon Marathon
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