Connecticut Marathons
7 upcoming marathons across Connecticut, updated nightly. Want radius search and maps? Open these in the Race Finder.
August 2026
- Sat 8/15Lake Terramuggus Olympic TriathlonMarlborough, CT 路 50K 路 Marathon
October 2026
- Sun 10/4NipMuck Trail MarathonAshford, CT 路 Marathon
- Sat 10/10Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford, CT 路 Marathon 路 Half Marathon 路 5K
- Sun 10/11Mohawk Mountain RaceCornwall, CT 路 Marathon 路 Half Marathon 路 10K 路 5K
- Sat 10/17Tackle the Trail (TM)Northeast, CT 路 Marathon 路 Half Marathon 路 10K
November 2026
- Sat 11/14Roxbury Fall ClassicRoxbury, CT 路 Half Marathon 路 Marathon 路 50K
- Sun 11/15Tarrywile Half MarathonDanbury, CT 路 Marathon 路 Half Marathon 路 10K
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