Colorado Runner - Colorado's running news, events and results source

Running USA, the premier trade organization for the road race industry, recently released its list of the 100 Largest Road Races in the United States for 2025, with the BOLDERBoulder ranking as the third-largest race in the country and the largest 10K in the United States.

Moving long distances can be a challenge for anyone, but athletes face a unique set of logistics when it comes to relocating. Between transporting specialized equipment, managing training schedules, and ensuring everything arrives safely, athletes often must plan their moves with the same precision…

Outdoor running sits at the core of distance training because it builds rhythm, durability, and confidence that machines cannot fully replace. Even the most consistent runners, however, encounter long stretches when outdoor mileage becomes difficult to maintain.