Jessica Griffiths

Littleton

Editor-In-Chief at Colorado Runner

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Articles

Stack Endurance’s GameDay Run Series & Mascot Sports Celebrate 2025 Return of 4th Annual Denver Rocks Run

5 days ago | coloradorunnermag.com | Jessica Griffiths

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.
Colorado USATF Launches Revamped Grand Prix with $10,000 in Prize Money - Race Series Starts July 12

1 week ago | coloradorunnermag.com | Jessica Griffiths

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. Now in its fifth year, the Grand Prix aims to elevate friendly club competition across the state, naming Colorado’s top running club through a cumulative season-long championship.
Register Now for the Pumpkin Pie 5K or 10K in Denver

1 week ago | coloradorunnermag.com | Jessica Griffiths

The Pumpkin Pie 5K/10K is coming to City Park in Denver on Saturday, November 15. 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 race kicks off at 9am. The race serves as this year’s RRCA Western State Championship for 5K. Register before July 1st for the lowest possible pricing. “We are a community 5K and 10K,” said race director Derek Griffiths.
Evening exercise impacts sleep for longer than previously thought

1 week ago | coloradorunnermag.com | Jessica Griffiths

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. Monash University researchers looked at international data from 14,689 people who were monitored with a multi-sensor biometric gadget for a year, which equaled four million nights of information to analyze.
One Month to go for the Cookie Chase 5k!

2 weeks ago | coloradorunnermag.com | Jessica Griffiths

The Cookie Chase 5K run and walk will return to Denver for a seventh year on Saturday, July 12 at Sloan’s Lake 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 and walk. Runners and walkers of all ages and paces are welcome.
Thule to lay off 22 workers in Colorado

2 weeks ago | coloradorunnermag.com | Jessica Griffiths

2 Share Thule Inc. has told state officials that it will layoff 22 workers at its facility in Colorado in October.
IRONMAN comes to New Mexico for the first time with new IRONMAN 70.3 Ruidoso New Mexico

2 weeks ago | coloradorunnermag.com | Jessica Griffiths

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 in the Village of Ruidoso, New Mexico.
The Labor Day Half Marathon, 10K and 5K Returning to Parker on September 1

3 weeks ago | coloradorunnermag.com | Jessica Griffiths

Celebrate the last blast of summer at the Labor Day Half Marathon, 10K and 5K on September 1. The race features a flat, fast half marathon, a 10K and a 5K. Let summer have its last hooray at Parker’s Salisbury Park, which is located about 30 minutes to the southeast of Denver. The race travels along the scenic banks of the Cherry Creek. This flat and fast course just might propel you to a new personal record! And if you’re in it just for the fun, well, we totally catch your drift.
Record Breaking Year at the Denver Colfax Marathon Weekend

4 weeks ago | coloradorunnermag.com | Jessica Griffiths

Denver welcomed over 25,000 runners to the Mile High for the city’s largest running event of the year. The 19th Denver Colfax Marathon, presented by Cigna Healthcare, hosted eight races over the weekend with several event records broken. Athletes from around the world and all 50 states competed in the event, but Colorado runners swept the podium on race day.
It's the Flamingo Day 5K Race Week!

1 month ago | coloradorunnermag.com | Jessica Griffiths

The Flamingo Day 5K run and walk will return for a fifth year on Sunday, June 1, 2025 at Sloan’s Lake Park in Denver. With themed shirts and finisher’s medals, the race is a fun way to stay healthy, active and motivated in your fitness goals. Registration is open at https://www.coloradorunnerevents.com/Flamingo/Runners and walkers will receive a disposable timing chip on their bib number to time their race as they complete the 5k course. A course map is available online.