Sleeping Giant Trail Runs
Apr 4, 2027Hamden, CT50K, 25K
47 mi from Spring On The Trails Endurance Runs, a similar entry fee ($70), registration open
Listed from UltraSignup. Checked Mar 22, 2026.
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planA timed 3-Hour, 6-Hour, and 12-Hour race on a 5k trail loop with about 587ft gain each lap. Cover as many loops as you can in the designated time.
Registration closes
Mar 27, 2026
Race day
Mar 28, 2026
12hrs
Registration
$90
6hrs
Registration
$70
3hrs
Registration
$55
Registration openings and major changes, like a new date or a cancellation.
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Apr 4, 2027Hamden, CT50K, 25K
47 mi from Spring On The Trails Endurance Runs, a similar entry fee ($70), registration open
Jun 6, 2027Roxbury, NY5K
64 mi from Spring On The Trails Endurance Runs, by CTW Endurance
Nov 15Danbury, CTMarathon, Half Marathon +1
25 mi from Spring On The Trails Endurance Runs, a similar entry fee ($40), registration open
Dec 19Stratford, CT5K
43 mi from Spring On The Trails Endurance Runs, a similar entry fee ($65), registration open
Straight-line distance
Oct 24Modena, NY5K
Oct 24Salamanca, NY50 mi, 50K +1
Oct 25FAYETTEVILLE, NY5K
Oct 25Garrison, NYHalf Marathon, 5K
Oct 25Katonah, NY5 mi
Oct 25Painted Post, NY
Oct 31Lagrangeville, NY100K
Oct 31Gansevoort, NYHalf Marathon
Nov 1Sodus, NY
Nov 1Cross River, NY100K, 10K
Nov 1Saratoga Springs, NY5 mi
Nov 7Mendon, NY50K, Half Marathon +2
May 8, 2027Beacon, NY42K, 21K
Apr 25, 2027Kent, CT100K, 50 mi +1
Sep 11, 2027Rosendale, NY70 mi, 30 mi +1
Nov 1Brookfield, CT8 hr, 4 hr +1
Nov 14Roxbury, CT50K, Marathon +1
Nov 15Danbury, CTMarathon, Half Marathon +1
Nov 14Norwalk, CTBackyard Ultra
Mar 6, 2027Livingston, NJ12 hr, 6 hr +2
Mar 6, 2027Leesport, PA40 mi, 20 mi
Mar 20, 2027Stratford, CT6 hr
Mar 20, 2027Delaware Water Gap, NJ40 mi
Mar 21, 2027Columbia, NJ50K, 30K
Mar 28, 2027Union, CT16 mi
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for Spring On The Trails Endurance Runs?
Claim this race to manage registration, volunteers, and race day.