Become a Half Marathon Fanatic in 2017! Complete the 4 designated half marathons to earn the new HMF Challenge medal and a high quality backpack to carry your race gear in style. Note – only allowed substitution is Eversource Hartford Marathon in place of Eversource Hartford Half Marathon. Finishers of the first two races must register for the last two races in the series by August 15 to be part of the the Challenge.

Harvard Pilgrim Middletown Half – NEW COURSE!
Amica Iron Horse Half Marathon
Surftown Half Marathon
Eversource Hartford Half Marathon


The Thursday evening summer 5K race series is a party on the Riverfront in Hartford. New themes, updated swag and better-than-ever bling for 2017! You can still register for the series and earn the series medal by signing up for each race individually by the deadline of July 27.

Riverfront Scramble Series Presented By Stanley Black & Decker


Gradually increase race mileage to complete a half marathon goal – whether it’s finishing your first half or racing for a PR. To sign up (after June 11), register for each race individually by July 23. Series participants will earn a commemorative finisher medal and get a FREE training guide.

Mad Dash on Mulberry Street
Achilles Hope & Possibility 10K
Eversource Hartford Half Marathon


Earn this impressive distinction by completing two spectacular New England marathons. In addition to earning event finisher medals, participants will receive a commemorative New England Double medal and high quality technical vest (note – $20 fee to participate). You must register for both events directly on our respective race Web sites and then simply choose the option to add the New England Double program within each event’s registration process.

People’s United Bank Vermont City Marathon
Eversource Hartford Marathon


Run through three quintessential Connecticut communities in this new 10K challenge. Best your own time or just enjoy historic sites – the series shows off the beauty of quaint downtowns, farmlands, quiet riverside trails and welcoming neighborhood streets. Register for each event in the series by July 1 and earn a special medal, in addition to finisher medals awarded for all three events.

Burlington to Collinsville Classic
Amica Iron Horse 10K
Old Wethersfield 10K


Ready to take on your first full marathon? We’ll provide FREE training guide and take you from 13.1 to 26.2, presenting you with a commemorative Connecticut Double medal after you finish under the iconic arch in Hartford. Finishers in the Mystic Half Marathon may register by August 15 for the Eversource Hartford Marathon to be part of the CT Double.

Mystic Half Marathon
Eversource Hartford Marathon


Kick up St. Paddy’s festivities, choose either a 3-race or 4-race challenge! Earn different themed swag and medals at each race to form the O’so-blingy challenge prize. Choose any three O’races for the Trinity or run all four and you’ll also earn the Lucky Challenge pint glass to toast to your achievement. Check out the new O’race and a bigger, better celebration in Hartford – Irish music, beer, yummy nosh and costume awards at all events. Thanks for joining us in 2017, check back for details on 2018 O’race series challenges!

O’Shenanigans 5K
Courthouse O’Putnam 5K
O’Niantic 5K
O’Hartford 5KNEW Craft Brew Pub post-race