Corps of Discovery Half Marathon, 8 Mile & 5 Mile

Race facts

• The course covers 21.1 km.
• It takes place on a Saturday, August 29, 2026 — summer in this part of the world.
• The closest comparable trail running event is The Labor Day Slay in St. Louis, 21 km away, on August 29, 2026.
• 10 of the 12 most similar events take place in the same month.