Triple Crown 10K Night Trail Run Series

Triple Crown 10K Night Trail Run Series - August 7 - 21, 2026

St. Louis, MO is hosting its first-ever Hill Progression - Night Trail Running - 10K Series! The Triple Crown is designed for the vert chasers and the night owls who love to climb and enjoy running trails at night.

The series consists of three 10K races, each designed to help runners master hills and night running with a headlamp in the Mid-Summer HEAT. Runners will experience challenging climbs and descents after dark while navigating rugged terrain in the St. Louis West County area.

• August 7, 2026: Bluff View Shuffle - Climb 100 Feet/Mile over 10K
• August 14, 2026: Eagle Valley Scramble - Climb 130 Feet/Mile over 10K
• August 21, 2026: Chubb Crawl - Climb 200/Mile over 10K

Run all three races, pick two, or sign up for individual races.

Swag & Awards:

• Included in Online 3 Race Series Registration: Custom Cotton/Poly, Lifestyle, S/Sleeve T-shirt (Unisex Sizes), Custom Race Specific Elevation Profile Finisher Sticker for each race, Post-race easy grab snack and cold beverage.
• Included in Online Pick 2 Race Series Registration and Individual Race Series Registration: Custom Race Specific Elevation Profile Finisher Sticker for each race, Post-race easy grab snack and cold beverage.
• Swag (T-shirt) available for purchase ($15 CASH ONLY) at packet pick up for Pick 2 and Individual Race Series Runners.
• Overall Series Performance Awards for top male & female performers: $50 online credit towards Terrain Trail Runners-STL events.

Trail Mix Fund: The series is part of the Trail Mix Fund, which aims to improve diversity in trail racing by covering registration fees for under-served and under-represented runners.

Sustainability: All races are CUP-FREE. Please bring your own mess kit (plate and spork) for post-race grub.

Registration closes: Sun, Aug 2 @ 11:59PM CT

Race Day Registration: Available for individual series races only - $75.00 (CASH ONLY).