2026 CT123 (200K)
| 📍 | East Thompson, United States |
| 🏃 | Mixed Terrain |
| 📏 | 100 km, 200 km |
| 📅 | Saturday, 4 April 2026 |
The 2026 CT123 (200K) will take place on April 4, 2026, in East Thompson, United States. This unique ultramarathon, known as the CT123 Run Across CT Ultramarathon, is a 123-mile (200K) mixed-terrain event that traverses through Eastern Connecticut, starting at the Eastern Connecticut trailhead and finishing at the Wakeman Boys & Girls Club in Southport. The route combines both trail and road surfaces, offering a challenging test of endurance and mental strength. With an expected high of 58°F and low of 42°F on race day, participants can anticipate a moderately cool and dry environment, with minimal chance of precipitation. The race features 11 aid stations spaced roughly 10 miles apart, with mandatory check-ins at each station to ensure safety and compliance.