Set against the breathtaking backdrop of the Rocky Mountains, the Colorado Trail Ultra is an exhilarating endurance challenge for runners seeking to push their limits and explore some of nature's most stunning terrain. Spanning 50 miles across rugged trails, this race offers a unique blend of challenging elevation changes and scenic beauty that few events can match. Participants will start at dawn in Estes Park, where the crisp mountain air and early morning light create an invigorating atmosphere for runners to begin their journey. The course winds through dense forests, alongside sparkling streams, and over rolling hills, providing a diverse range of terrain that tests both mental and physical resilience. As the race progresses, competitors will encounter several significant elevation gains and losses, with peaks reaching up to 10,000 feet above sea level. This dynamic landscape not only offers breathtaking views but also presents strategic challenges for pacing and hydration management throughout the day. The Colorado Trail Ultra is more than just a physical challenge; it's an immersive experience that connects runners with nature in a profound way. The race organizers ensure safety through well-marked trails, medical support stations every 10 miles, and professional aid crews along the route to assist participants as needed. In addition to the competitive aspect, there are opportunities for camaraderie among runners who share this once-in-a-lifetime adventure together. Whether you're a seasoned ultrarunner or new to longer distance events, the Colorado Trail Ultra provides an unforgettable race experience that celebrates both personal achievement and the natural beauty of the Rocky Mountains. Registration is open now for those looking to secure their spot in what promises to be one of the most scenic and challenging ultra races on the calendar.
Races Offered
Birmingham Downtown Team Challenge
Sep 17, 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 Birmingham.
thermostatTemperature
19.6° / 29.6°
wb_sunnyFeels like
20.0° / 30.0°
light_mode
Avg sunshine hours
10h 36m
water_drop
Avg rainfall
4.0 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.1 km/h (Light breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
Moderate (5.0)
humidity_mid
Humidity
67.0%
wb_twilight
Sunrise
06:30
nightlight
Sunset
18:51
About Birmingham
Learn more about the host city, Birmingham.
Birmingham is a city in the north central region of Alabama, United States. It is the third-most populous city in the state, with an estimated population of 196,357 as of 2024. The Birmingham metropolitan area, with over 1.19 million residents, is the largest metropolitan area in Alabama and 47th-most populous in the US. Birmingham serves as a major regional economic, medical, and educational hub of the Deep South, Piedmont, and Appalachian regions. It is the county seat of Jefferson County.