Hartford Half Marathon 2025 Map 2025. The 2025 hartford marathon, half marathon, and 5k will be held on saturday, october 19, 2025, aligning with the jewish high holiday. The eversource hartford marathon (and accompanying half marathon, 5k and marathon relay) will take place saturday starting at 8 a.m.

Eversource hartford marathon and half. Published october 18, 2025 • updated on october 18, 2025 at 7:01 pm.