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The American College of Sports Medicine (ACSM) is a professional organization with more than 14,000 members who are sports medicine doctors, sports dietitians, exercise scientists, sports psychologists, and other health professionals who work with athletic people.

The Road Runners Club of America (RRCA) is proud to unveil the 2026 RRCA National Championship Event Series, celebrating one of the longest-standing traditions in American distance running. Since its inception in 1958, the RRCA Championship Event Series has highlighted top-tier, community-focused races, while recognizing outstanding athletes across the Open, 40+, 50+, and 60+ age groups.

The 2026 Greenland Trail 50K has been chosen by the Road Runners Club of America to be the associations ultrarunning national championship. Join us on May 2nd for this incredible event!

The Donut Dash 5K will kick off on Sunday, April 5, 2020 at Washington Park in Denver. With themed shirts, finisher’s medals, disposable bib chip timing, free photo downloads, and more, this is a great value and a family friendly fun run. The 5K kicks off at 9 am. Runners and walkers of all ages and paces are welcome.

Register for the 2023 6 pack in Denver at the lowest price of the year! Take advantage of our black Friday sale! The series includes 6 Denver 5K's.

If you were one of the 240,000 runners who applied to the 2026 New York City Marathon lottery, you may have had better odds hitting your favourite number in roulette.

The Atlanta Track Club has completed its review of the mistake at the weekend's USATF Half Marathon Championships that cost the front runner of the women's race a spot in the world road running championships.

Most research related to sports performance and nutrition is studied from the perspective of (male) athletes who have gotten sick or injured.

The Academy of Nutrition and Dietetics (AND) is the nation's largest group of food and nutrition professionals. At their annual convention, members presented research and updates that might be of interest to you.

The Denver Colfax Marathon, presented by Cigna Healthcare, is proud to open registration for its 20th race weekend in the Mile High City. The marathon weekend will take place May 15-17, 2026, marking two decades of deep tradition in Denver.