When Is The Hartford Marathon 2025 Dates. Currently, the only race with open registration is the eversource hartford half marathon (hmf fitkids races will remain open through race morning). Saturday october 19th, 2025 hartford, ct distance:

Currently, the only race with open registration is the eversource hartford half marathon (hmf fitkids races will remain open through race morning). In addition to the eversource hartford marathon and half marathon, which takes place annually in october, the hmf events calendar includes more than 30 races welcoming runners and.