What is the Bolder Boulder?
The Bolder Boulder is an annual 10K road race held in Boulder, Colorado, on Memorial Day.
Sports / Running
The 45th annual Bolder Boulder 10K is set to take place on Memorial Day, May 26, 2025, in Boulder, Colorado. This year's race is marked by increased registration numbers, the unprecedented inclusion of two amateur runners in the professiona...
The Bolder Boulder has been a Memorial Day tradition since 1979, growing into one of the largest and most popular 10K races in the world. The race attracts a diverse range of participants, from casual runners to elite athletes. This year's event is particularly notable for several reasons:
### Return to Pre-Pandemic Numbers After two years of cancellation and reduced participation due to the COVID-19 pandemic, the Bolder Boulder is back in full force. With over 50,000 registrations, the race has regained its status as a premier running event.
### Citizen's Race Winners Turn Pro Molly Grabill and Aidan Reed's invitation to the International Team Challenge marks a significant milestone in Bolder Boulder history. Grabill, a University of Oregon alumna and Olympic Marathon Trials competitor, and Reed, a USATF 10-Mile Championships finisher, bring local talent and competitive spirit to the elite field.
### Honoring a Fallen Airman William H. DuBois' participation in the race is a poignant reminder of the sacrifices made by military members. Running in honor of his son, Airman Will DuBois, adds a deeply personal and emotional element to the event.
### Weather and Course Conditions Cooler weather conditions are anticipated for race day, potentially creating an environment conducive to fast times. This has generated excitement among runners, with some hoping to challenge the long-standing race records set in 1995.
The Bolder Boulder is an annual 10K road race held in Boulder, Colorado, on Memorial Day.
In 2025, over 50,000 people are expected to participate.
The International Team Challenge is an elite competition featuring teams of professional runners from various countries.
Molly Grabill and Aidan Reed are the winners of the 2024 Citizen's Race who have been invited to compete in the 2025 International Team Challenge.
Do you think the cooler conditions will lead to new race records? Share your thoughts in the comments below!
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