2026 Platte Valley Companies Monument Marathon

Race facts

• The course covers 42.2 km.
• It takes place on a Saturday, September 26, 2026 — autumn in this part of the world.
• The closest comparable running event is Dick Collins Firetrails in Castro Valley, 1,632 km away, on September 26, 2026.
• 12 of the 12 most similar events take place in the same month.