From Hartford to West Haven to Simsbury to Roxbury, and more.
Looking to conquer 26.2 miles in the Constitution State?
I’ve reviewed the courses extensively, and I’m super excited to break down Connecticut’s most noteworthy marathons! From urban adventures to scenic trails, here’s your comprehensive guide to the best marathons in Connecticut for 2025.
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What are the Best Marathons in Connecticut?
Here are the best marathons in Connecticut:
Hartford Marathon
Hartford | Oct 11, 2025
Course Type: Rolling Hills
Elevation Gain: 754 feet (229m)
Participants: 9,300
Price: $325
The crown jewel of the Connecticut marathon calendar, the Hartford Marathon transforms the capital city each October into a runner’s paradise. Starting and finishing at the iconic Bushnell Park, this USATF certified marathons course guides participants through downtown Hartford’s historic streets, scenic riverfront paths, and charming neighborhoods. The Hartford Marathon Foundation ensures impeccable organization with abundant marathon aid stations every 1.5-2 miles. What makes this race special? The spectacular finish under the Soldiers and Sailors Memorial Arch, enthusiastic crowd support, and the legendary post-race party! With excellent marathon pace groups and a relatively flat course promising PR potential, it’s no wonder the marathon course records keep tumbling here. Pro tip: Book your marathon hotel packages early, as downtown accommodation fills up quickly!
Savin Rock Marathon
West Haven | Mar 29, 2025
Course Type: Rolling Hills
Elevation Gain: 1004 feet (306m)
Participants: 700
Price: $100
If you’re dreaming of a coastal marathon Connecticut experience, the Savin Rock Marathon delivers breathtaking views along West Haven’s shoreline. The Savin Rock Marathon course map reveals a stunning double-loop course where runners are treated to constant ocean vistas and refreshing sea breezes. This spring race features exceptional marathon course support, with local residents turning out in force to cheer on participants. The course is known for its unique blend of beachfront boardwalks, peaceful neighborhoods, and historic landmarks. While the sea breeze can present a challenge, the spectacular marathon photography opportunities and picturesque marathon route maps make this race a bucket-list experience. Don’t miss the post-race beach party – it’s legendary among the Connecticut running events community!
Mainly Marathons New England Series Day 1
Simsbury | Jun 10, 2024
Course Type: Hilly
Elevation Gain: 598 feet (182m)
Price: $120
Part of an innovative multi-state series, the Connecticut day of the Mainly Marathons New England Series offers a unique format for marathon enthusiasts. Perfect for runners chasing multiple marathons, this event features a loop course format with outstanding marathon aid stations and support. While it may not offer the varied scenery of other Connecticut marathons 2024, it excels in organization and runner support. The event stands out for its intimate atmosphere, experienced marathon course support team, and the opportunity to join an exclusive community of distance running enthusiasts. The simplified marathon start times and clear marathon runner tracking system make this event particularly appealing to runners seeking a well-organized, straightforward marathon experience.
Nutmeg State Marathon
Hartford | May 14, 2025
Course Type: Rolling Hills
Elevation Gain: 1200 feet (366m)
Participants: 100
Price: $115
The Nutmeg State Marathon offers runners a peaceful escape through Connecticut’s countryside. This hidden gem in the fall Connecticut running events calendar showcases the state’s rural beauty with a course winding through quiet country roads and charming small towns. The race organizers are known for their attention to detail, from streamlined marathon packet pickup to precisely marked marathon route maps. While not the easiest course (expect some rolling hills!), the exceptional marathon course support and enthusiastic local communities make every mile memorable. The unique Connecticut marathon medals feature local landmarks, making this race a must-do for collectors. Early fall weather typically provides perfect marathon weather conditions for a strong performance.
Roxbury Marathon
Roxbury | Nov 9, 2024
Course Type: Hilly
Participants: 100
Price: $40
Among trail marathons in CT, the Roxbury Marathon stands out as a November challenge that tests both endurance and trail running skills. This no-frills race, organized by dedicated trail enthusiasts, offers a pure running experience through Connecticut’s western hills. The course demands respect with its challenging terrain, but rewards runners with pristine forest views and a genuine sense of accomplishment. Unlike mainstream races, Roxbury focuses on the essentials: accurate marathon course highlights, reliable marathon safety protocols, and a supportive running community. There aren’t fancy marathon expo events here – instead, you’ll find passionate volunteers, detailed marathon preparation guide materials, and some of the most scenic trail running in New England. Be prepared for winter conditions and bring appropriate gear!
Training and Registration Guide
Success at any of these Connecticut qualifying marathons starts with proper preparation. Here’s what you need to know about marathon training Connecticut:
Registration Tips:
- Monitor marathon registration deadlines carefully
- Review marathon training plans options
- Connect with marathon training groups CT
- Attend pre-race marathon course support clinics
- Study marathon elevation profiles
Weather and Timing Considerations
Understanding marathon weather conditions is crucial for race day success:
- Spring events: Cool mornings, potential rain
- Summer races: High humidity considerations
- Fall marathons: Perfect running temperatures
- Winter challenges: Extra preparation needed
Race Day Success Strategies
Make the most of your race with these proven tips:
- Study the marathon spectator guide for family support planning
- Review marathon transportation options
- Pack according to the marathon gear guide
- Familiarize yourself with marathon course records
- Understand marathon safety protocols
Conclusion
Connecticut’s marathon scene offers something for every runner, from the excitement of the Hartford Marathon to the serenity of trail routes. Whether you’re chasing a PR or enjoying the journey, these races provide unforgettable experiences and supportive communities.
Ready to take on your next 26.2? Register early, connect with local running groups, and start your training journey. Here’s to crushing your marathon goals in the Constitution State! Remember to check the latest Connecticut marathon series updates for any schedule changes or special announcements.
Row Brown is the founder of Refresh Row. He is a keen marathon runner, his favorite being the London Marathon. He’s now set himself the mission of Running the Entire Length of Spain, which is scheduled for late 2024.
