Marathons in Connecticut, United States
10 upcoming races are listed in Connecticut, including 5 marathons, 7 half marathons and 6 ultras. The next is Roxbury Fall Classic on November 14, 2026.
November has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
10
Races listed
5
Marathons
November
Busiest month
25 May
Last updated
| Date | Race | City | Distances |
|---|---|---|---|
| 14 Nov 2026 14Nov 26 | Roxbury Fall Classic | Roxbury | 50K · 42.2K · 21.1K |
| 14 Nov 2026 14Nov 26 | Roxbury Marathon | Roxbury | 50K · 42.2K · 21.1K |
| 15 Nov 2026 15Nov 26 | Tarrywile Half Marathon | Danbury | 42.2K · 21.1K · 10K |
| 16 Nov 2026 16Nov 26 | Hillacious Half-Marathon | Connecticut | Ultra · 21.1K |
| 21 Nov 2026 21Nov 26 | Storybook Half Marathon | Stratford | 21.1K |
| 27 Mar 2027 27Mar 27 | Savin Rock Marathon | West Haven | 42.2K · 21.1K |
| 3 Apr 2027 03Apr 27 | CT123 (200K) | East Thompson | 200K |
| 18 Apr 2027 18Apr 27 | Stamford Run Club 5k/10k/Half Marathon | Stamford | 21.1K · 10K · 5K |
| 25 Apr 2027 25Apr 27 | Jack Bristol Lake Waramaug Ultra Races | Kent | 100K · 50 Miler · 50K |
| 1 May 2027 01May 27 | Woodstock CT Marathon | Woodstock | 42.2K |
Around Connecticut
This is the most detailed level of the directory. Widen the search to the surrounding region.
Common questions
When is the next race in Connecticut?
Roxbury Fall Classic on November 14, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Connecticut?
November (5), April (3), March (1), counting every upcoming race listed in Connecticut.
Which distances can I run in Connecticut?
The listed races include 5 marathons, 7 half marathons, 6 ultras, 2 10Ks and 1 5K. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source