Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

The Eversource Hartford Marathon and Half Marathon, first run in 1996, has grown into a beloved New England running institution. Now in its 29th year, this event attracts nearly 4,000 finishers, with runners traveling from approximately 42 states, eager to tackle a certified, net-downhill course that's a proven PR magnet.

The race unfolds on a largely flat, paved loop through Hartford, offering a fast and efficient race experience. With minimal elevation changes, the course is designed for speed, making it a popular choice for those chasing personal bests or aiming for Boston Marathon qualifying times. The typical October race-day weather, averaging between 49–66°F, provides near-ideal conditions for runners.

Beyond the course, the event boasts a strong sense of community and loyalty, with about 26% of participants returning year after year. The atmosphere is bolstered by spectator support and the festive nature of the finish line, making it a rewarding destination for runners of all levels.