Run Across CT
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Run Across CT 123 : April 3, 2027, East Thompson, CT
Run Across CT 123 is a point to point ultramarathon covering 123.2 miles across Connecticut, starting in East Thompson and finishing at the Wakeman Boys and Girls Club in Southport. The course passes through 25 towns and combines trail and road sections: nearly half the route is on maintained trails (about 57 miles), with the remainder on backroads and local highways. Total ascent is approximately 3,842 ft with total descent around 4,455 ft.
Distances offered:
- Solo 200k (123.2 miles)
- Solo 100k
- 200k relay, 6-person teams
- 200k relay, 3-person teams
The event uses a 36 hour overall cutoff and includes five intermediate cutoffs plus a final cutoff at 123.2 miles. To meet the cutoffs, an average pace near 17.5 minutes per mile (about 3.5 mph) is indicated. Aid stations are placed along the course and are staffed by volunteers; they provide drinks, electrolyte replacement, and light snacks. Medical staff are available to address common ultramarathon conditions.
Practical notes from the organizer: there are no shuttle services for this edition, field size is limited, and runners should prepare for variable spring weather with layered and waterproof gear. Finishers of the 200K receive a belt buckle; 100K and relay finishers receive a medal. All finishers receive a 2025 CT123 t shirt and additional race swag. Visit the organization's website for the most recent information.
