Set new race goals in 2023 with extra incentives to stay motivated and support to help keep training on track! Be rewarded with custom medals or apparel for completing a challenge.

If already registered for one event, register for the other(s) individually to be added to the Challenge. If interested in purchasing Refund Protection for a challenge, you MUST register for each event individually (you will be added to the challenge once all event registrations are complete).


Choose any distance in each of three beautiful shoreline races. These scenic courses all feature picturesque water views to fuel you through your race, with a crabby medal awaiting after the third finish.


The ultimate state challenge…work up from half marathon in June to full marathon distance at the premier 26.2 mile experience in Connecticut. Get support and encouragement through the journey and then celebrate after your iconic finish line moment under the Arch in Hartford with an extra special medal.


Start with a 5K to kick off the three-race feat, with the 10K in August to take on as the second race. Get weekly plans and training support to work up to the Eversource Hartford Half Marathon in October and enjoy an amazing finish line moment under the arch, with a special challenge medal to celebrate the accomplishment in Bushnell Park post-race.

Please note, if already registered for one event and wanting to add additional races to participate in a challenge, complete individual race registration prior to any deadlines posted here (if applicable). You MUST register for the Happy Trails Challenge through the challenge link to get the custom shirt, please contact registration@hartfordmarathon.com to join that challenge if registered for one event and wanting to add the second.



O’fficially kick off the 2023 season with four festive St. Paddy’s themed 5K races to run or walk in March, in-person and virtual race combos allowed. Participants earn matching race accessories as swag at each event, celebrate with Irish parties across CT and then get one large blingy medal at the end of the challenge. Enjoy the luck of the Irish and cheers from HMF at every race finish line. Slainte!


Ramp up spring racing with a three-race 10K challenge in April, May and June. The theme makes a change from bananas to grapes in 2023 – a healthy nod to running a bunch of great races and proudly donning a special medal after the third.

Middletown 10K & Burlington to Collinsville participants wanting to add additional races to participate in a challenge, complete individual race registration prior to the UConn Health 10K.


Go off-road in this two-race summer adventure. Enjoy your first race off the beaten path in 3 mile, 5 mile or 8 mile distance and then run a 5K along the river on a summer evening. Earn a custom shirt for participating in the Happy Trails Challenge. If you participated in the Summer Solstice Trail Run, you can still join the Happy Trails Challenge by registering for the Thirsty Thursday 5K.