Boulder Rez Marathon 2025

• Scenic, flat course with dirt roads, trails, and views of the Boulder Reservoir and Rocky Mountains.
• Distances include full marathon, 3/4 marathon, half marathon, and 10K.
• USATF sanctioned event ensures accurate results and provides participant shirts and finisher medals.
• Early and race day packet pick-up available; awards for top finishers in each age group.
• Marathon starts at 7:15 a.m., with the course closing at 2:00 p.m.

Set against the stunning backdrop of Boulder Reservoir, the Boulder Rez Marathon offers a unique combination of trail and road running, promising a memorable race experience. With its flat terrain and minimal elevation gain, the course is perfect for runners looking to achieve personal bests while enjoying picturesque views of the Rocky Mountains. The route is primarily along dirt roads and trails, ensuring a softer surface underfoot compared to traditional road marathons. Runners will appreciate the course's tranquil, natural setting, in contrast to more urban marathons, providing a refreshing escape as you navigate scenic single tracks and packed-dirt pathways.

What makes the Boulder Rez Marathon particularly special is its variety of event options, including a Marathon, ¾ Marathon, Half Marathon, 10K, and Marathon Relay, catering to runners of all distances and ambitions. The event's lively post-race atmosphere includes music, food, beer, and awards, making it not only a race but a celebration of community and achievement. With a USATF sanctioned course, participants can trust in precise, reliable results, and everyone crosses the finish line with a participant shirt and a finisher medal to commemorate their accomplishment. For those seeking supportive camaraderie, the marathon offers excellent volunteer opportunities, with all ages welcome to contribute to the event's spirit in a vibrant community setting.

Overall, the Boulder Rez Marathon is an idyllic race for those who love running amid nature and scenic beauty, without the distraction of city life, making it an ideal break for any marathon enthusiast looking to explore something refreshingly different.

Expect temperatures ranging from 60-75°F (16-24°C) during the Boulder Rez Marathon in early August. The monsoon pattern may bring some rain, and runners should be prepared for strong, variable winds. Weather can be unpredictable, so stay informed on race day conditions.

The Boulder Rez Marathon offers runners an immersive experience at the picturesque Boulder Reservoir in Boulder, Colorado. This marathon weaves through primarily dirt roads and trails, presenting a delightful mix of smooth and slightly uneven surfaces. With only 200 feet of elevation gain, the course's gentle terrain welcomes runners of all abilities.

As you loop around the reservoir, breathtaking views of the Rocky Mountains unfold, creating a stunning backdrop. The unique 4-loop course design lets you get acquainted with the terrain and subtle elevation shifts early on. Expect a few rolling hills that add a touch of challenge as you progress through the laps. One distinctive segment follows a typically off-limits water ditch, providing a rare and exciting running experience.

Be mindful of the sun, especially in the latter half of the race, as shade is scarce and the heat can intensify. Starting at 7:15 AM, the race offers four aid stations to keep you hydrated and refreshed. You'll pass the start/finish line multiple times, which is great for spectators but may kick up some dust along the way.

The event is meticulously organized, featuring convenient packet pick-up, accurately marked courses, and amenities such as participant shirts and finisher medals. With awards for top finishers across age groups, the Boulder Rez Marathon is a captivating and memorable race that combines scenic beauty with a touch of challenge.

When visiting Boulder, Colorado for the Boulder Rez Half Marathon, you'll find a city brimming with outdoor adventures and cultural gems. Beyond the race, Boulder offers a plethora of attractions that cater to both nature enthusiasts and culture seekers. Downtown Boulder is a lively hub where Pearl Street Mall invites you to enjoy shopping, dining, and street performances. For those interested in the local culinary scene, Local Table Tours provide a delightful exploration of Boulder’s diverse flavors.

Nature lovers will find Boulder a paradise with its extensive network of trails. Hike the scenic Wonderland Lake Loop or the Flatirons Vista for breathtaking views. For mountain biking enthusiasts, trails at Betasso Preserve and Walker Ranch offer thrilling rides. Don't miss Panorama Point for stunning vistas of the city and its mountainous backdrop.

Culturally, Boulder shines with venues like the Museum of Boulder, offering insights into the city’s history, and the Boulder Museum of Contemporary Art, which showcases thought-provoking exhibits. Enjoy a unique tea experience at the Dushanbe Tea House or unwind at the Ku Cha House of Tea. If visiting during festival season, the Boulder International Film Festival and Colorado Music Festival provide rich cultural experiences. For those interested in craft beverages, Boulder’s brewery, winery, and distillery tours are a must. With its blend of outdoor beauty, vibrant culture, and welcoming community, Boulder promises a memorable visit.