Jessica Griffiths 571 posts 0 comments

A new study of nearly 15,000 people found that the window of late-night workouts in which sleep is then impacted is actually much larger than previously thought, showing that exercising within four hours of bedtime can have a detrimental effect on shut-eye.

Every weekend in Colorado, there are running events on Saturday and Sunday. We compile the latest race results posted online and publish them to our race results page.

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.

Get into the holiday spirit with the Christmas Sweater 5K! Runners and walkers, young and old, are invited to join us at Washington Park in Denver for a flat, fast course. Dress in a tacky sweater – the more tinsel, bows, reindeer and candy canes, the merrier. It’s not a fashion faux pas if you’re supposed to wear it!

In my early years as a sports nutritionist, fat was a four-letter word. The mantra Eat fat. get fat scared runners away from consuming any kind of dietary fat. I had to practically beg athletes to include some fat in each meal.

The Pumpkin Pie 5K is coming to City Park in Denver on Saturday, November 18, the weekend before Thanksgiving. Runners and walkers can take advantage of a flat and fast course, and then enjoy a slice of sweet and tasty pumpkin pie at the finish.

The Ghosts and Goblins 5K will take place on Sunday, October 22, 2023 at City 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 races kick off at 9am. Runners and walkers of all ages and paces are welcome.

Professionals In Nutrition for Exercise & Sport (PINES) is an international organization whose mission is to educate athletes around the globe about how to fuel for optimal performance. Each year, PINES members present cutting-edge information at the annual meeting of the American College of Sports Medicine.

Today the Boston Athletic Association (B.A.A.) began notifying qualified applicants of their acceptance into the 130th Boston Marathon presented by Bank of America. The race will be run on Monday, April 20, 2026.

The most beloved winter running tradition in the Mile High City is back! Series registration is officially OPEN for the 2025–2026 RunDenver Race Series, a five-race celebration of community, fitness, and fun — all set against the stunning backdrop of Colorado’s winter wonderland.