Set against the stunning backdrop of the Rocky Mountains, the Boulder Peak Marathon offers runners an unforgettable journey through some of Colorado's most breathtaking terrain. This challenging course winds its way from downtown Boulder to the summit of iconic Flagstaff Mountain and back again, providing participants with a unique blend of urban energy and natural beauty. The race begins at sunrise in bustling Boulder, where enthusiastic crowds line the streets to cheer on runners as they make their way through historic neighborhoods filled with charming cafes and local art galleries. As the route ascends into the foothills, the scenery changes dramatically, revealing dense forests and winding trails that lead up to Flagstaff Mountain. The climb to the summit is steep but rewarding, offering panoramic views of the surrounding peaks and valleys at every turn. Once atop Flagstaff, runners are treated to a momentary respite before descending back down into Boulder along an alternate route that showcases different vistas and landmarks unique to this area. In addition to its scenic beauty, the Boulder Peak Marathon also boasts exceptional race-day amenities including well-stocked aid stations with water, sports drinks, energy gels, and fresh fruit. Race organizers have worked closely with local environmental groups to ensure minimal impact on natural habitats while still providing an engaging experience for participants. Whether you're a seasoned marathoner looking for your next challenge or someone who simply wants to explore the stunning landscapes of Colorado's Front Range, the Boulder Peak Marathon promises an exhilarating adventure that combines athletic achievement with breathtaking scenery.
Races Offered
Jim Thorpe Pocono Romance Challenge
Sep 15, 2026
straighten
Distance —
2 Hours
terrain
Type —
Others
timer
10:00
sell
$23.18
Weather History
These values represent the 3-year monthly averages for September in Jim Thorpe.
thermostatTemperature
14.3° / 23.8°
wb_sunnyFeels like
13.4° / 23.3°
light_mode
Avg sunshine hours
8h 41m
water_drop
Avg rainfall
2.8 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
8.5 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (5.0)
humidity_mid
Humidity
74.8%
wb_twilight
Sunrise
06:43
nightlight
Sunset
19:09
About Jim Thorpe
Learn more about the host city, Jim Thorpe.
Jim Thorpe, known as Mauch Chunk and East Mauch Chunk until 1954, is a borough and the county seat of Carbon County, Pennsylvania, United States. It is part of Northeastern Pennsylvania. It is the burial site of Native American sports legend Jim Thorpe, who had no connection with the borough in his lifetime. As of the 2020 census, Jim Thorpe had a population of 4,507.