Marathons in Connecticut
5 upcoming Marathon races in Connecticut for 2026 and beyond — with dates, locations, and registration links.
- Fleet Feet Hartford Summer 2026 Full & Half Marathon Training ProgramsSun, Jun 28, 2026 · West Hartford, CTHalf MarathonMarathon
- Lake Terramuggus Olympic TriathlonSat, Aug 15, 2026 · Marlborough, CT51.7KMarathon
- Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KSat, Oct 10, 2026 · Hartford, CTMarathonHalf Marathon5K
- Tackle the Trail (TM)Sat, Oct 17, 2026 · Northeast, CTMarathonHalf Marathon10K
- Roxbury Fall ClassicSat, Nov 14, 2026 · Roxbury, CTHalf MarathonMarathon50K