Boulderthon Half Marathon 2024 Dates
Boulderthon Half Marathon 2024 Dates. Find the results and photos of the boulderthon marathon, a scenic and challenging race in colorado. Boulderthon is a boston marathon qualifying, usatf sanctioned event in boulder, co.
The boulderthon is a running race in boulder, colorado, consisting of the marathon, half marathon, 10k, 5k and kids’ race. The race date is september 29th, 2024 and registration is almost sold out.