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Running Calendar near Old Lyme 2025-2026

Monthly updates for Old Lyme

Get new running races (and updates) in your inbox every month.

Explore the top running races near Old Lyme for 2025-2026! We've gathered 31 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
January 2026
Jan
1
Th

Frosty 5K - Guilford

2 mi 5 km
Jan
3
Sa

Kelley's Pace Frostbite

5 mi
February 2026
Feb
7
Sa

Frozen Heart 900

Trail Run 50 mi
Feb
8
Su

King of Pain

10 mi
March 2026
Mar
7
Sa

Kelley's Pace Hare Hop

5 km
April 2026
Apr
5
Su

Hoppin Hodges Rails to Trails 5K

5 km
Apr
18
Sa

Race for Your Mental Health

5 km
May 2026
May
2
Sa

Brew Run - New London

5 km
May
3
Su

Mount Archer Trail Race

Trail Run 3 mi 9 mi
May
16
Sa

Reservoir Rush

5 km
May
17
Su

Mystic Half Marathon

6 mi 13 mi
May
31
Su

Run the Vineyards - Jonathan Edwards 5K

5 km
June 2026
Jun
6
Sa

SongStrong

5 km
Jun
13
Sa

Mighty Montauk Triathlon

Triathlon
Jun
13
Sa

Gaylord Gauntlet

Obstacle Run 5 km
Jun
21
Su

Branford Road Race

2 mi 5 mi
July 2026
Jul
19
Su

Montauk Lighthouse Triathlon

Triathlon
August 2026
Aug
1
Sa

John & Jessie Kelley Half Marathon

13 mi
Aug
12
We

Stonington Cross Country 5K

Trail Run 5 km
Aug
18
Tu

Battle of Stonington 5K

5 km