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

Vision impairments (VI) are becoming more common across the board. Globally, health experts estimate that about 2.2 billion people have some level of VI. In the US alone, over 50 million Americans over the age of 18 experience a degree of vision loss.

Aravaipa Running has acquired the Endurance Race Series Colorado events. The races have been under the leadership of Endurance Race Series Founder Jeff Stoner for over a decade. Stoner has decided to step back from the Colorado race scene.

The TCS Sydney Marathon, which will take place on August 31, 2025, joins six races including the Tokyo Marathon, the Boston Marathon presented by Bank of America, the TCS London Marathon, the BMW BERLIN-MARATHON, the Bank of America Chicago Marathon and the TCS New York City Marathon as part of the…