At a glance
- Date
- May 15, 2027
- Location
- East Thompson, Connecticut
- Distances
- 200K, 100K
- Aid stations
- 11
- Registration
- See ultrasignup.com
- Official site
- runacrossct.com
- Listed from
- UltraSignup
- Last checked
- Oct 4, 2026
Plan this race for free
11 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
The Run Across CT 123 invites ultrarunners to embark on a true coast-to-coast adventure across Connecticut's diverse landscapes. With a point-to-point route spanning 123 miles, participants will experience everything from quiet New England woods to suburban streets and coastal terrain.
Key dates
Race day
May 15, 2027
Email me updates about CT123 (200K)
Registration openings and major changes, like a new date or a cancellation.
Aid stations
11| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Aid Station 1 One of 11 aid stations approximately 10 miles apart along the course. | 10.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 2 One of 11 aid stations approximately 10 miles apart along the course. | 20.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 3 One of 11 aid stations approximately 10 miles apart along the course. | 30.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 4 One of 11 aid stations approximately 10 miles apart along the course. | 40.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 5 One of 11 aid stations approximately 10 miles apart along the course. | 50.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 6 One of 11 aid stations approximately 10 miles apart along the course. | 60.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 7 One of 11 aid stations approximately 10 miles apart along the course. | 70.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 8 One of 11 aid stations approximately 10 miles apart along the course. | 80.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 9 One of 11 aid stations approximately 10 miles apart along the course. | 90.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 10 One of 11 aid stations approximately 10 miles apart along the course. | 100.00 miles | -- | waterelectrolytescoffeefruit+4 | ||
Aid Station 11 One of 11 aid stations approximately 10 miles apart along the course. | 110.00 miles | -- | waterelectrolytescoffeefruit+4 |
Entry transfers
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Race planning
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