June 2025

Qualifying for the Boston Marathon is about to get tougher. On Monday, the Boston Athletic Association (B.A.A.) announced it will introduce time penalties for runners who qualify on net-downhill courses with significant elevation drops.

On Saturday, July 5, don your leftover red, white and blue for a spirited race at altitude! With your adrenaline still pumping from the festivities the night before, you'll have no problem motivating to get out the door for the Vail Recreation District's 49th Annual Vail HillClimb.

Stack Endurance and GameDay Run Series are excited to announce that registration for the much-anticipated 4th Annual Denver Rocks Run 5K/10K is officially open. Coming off a record-breaking year in 2024, Denver Rocks Run is set to welcome runners back to City Park on September 7, 2025. This race combines the excitement of a competitive run with the unique charm and excitement of one of the city’s most iconic parks and historic MLB franchises.

USATF Colorado has announced the return of the USATFColorado Grand Prix for 2025, featuring a refreshed six-race series, an innovative “home meet” format, and a total of $10,000 in prize money for top-performing clubs and individuals.

Running is more than just a cardio workout—it's a full-body effort that demands strength, endurance, and resilience. While most runners invest in high-quality shoes and hydration systems, many overlook a crucial component of performance and longevity: recovery.

Thule Inc. has told state officials that it will layoff 22 workers at its facility in Colorado in October. The facility has a total of 40 employees currently.

IRONMAN announced today that it will host the first IRONMAN® branded event in the state of New Mexico with the IRONMAN® 70.3® Ruidoso New Mexico triathlon. In addition, the new event will be a part of a festival weekend of racing, which will include the 5150® Ruidoso New Mexico triathlon and Ruidoso Sprint triathlon, and is scheduled to debut on July 11-12, 2026.

Eight athletes have been named to the 2025 USATF U18 Mountain Running Team slated to compete in the18th edition of the International U18 Mountain Running Cup in Donovaly, Slovakia on Saturday, June 14. Twenty nations are slated to compete, the most ever in the event’s history.