The Colfax Marathon is Denver’s biggest running event, offering a scenic, high-energy course that showcases the best of the Mile High City. Runners pass through downtown Denver, historic neighborhoods, and even the Denver Zoo, making it one of the most unique urban marathons in the country. The mile-long Colfax Viaduct, panoramic views of the Rocky Mountains, and a stadium finish at Empower Field at Mile High create an unforgettable race experience. With a full marathon, half marathon, 10-miler, 5K, and team relay, there’s a race for every level.Denver is a city that blends outdoor adventure with urban culture. After the race, explore the city’s craft breweries, vibrant art districts, and scenic parks, or take a short drive to the Rocky Mountains for hiking and stunning views.One-of-a-Kind Course – Run through the Denver Zoo, along scenic waterways, and into an NFL stadium for a finish like no other.Perfect for Every Runner – With multiple distances and a Boston-qualifying marathon, this event welcomes runners of all levels.Rocky Mountain Views – Experience breathtaking scenery and the energy of Denver’s enthusiastic running community.This is Denver’s ultimate urban tour – abbreviated. Epic stadium run through. Downtown Denver. Confluence and Cherry Creek, 17th Avenue to City Park – and one big afterparty with 10,000 of your closest friends.Run Denver’s springtime marathon and experience the ultimate urban tour of the Mile High City! 26.2 mile Marathon through the stadium, downtown and along 7 miles of water – 13. 1 mile Half Marathon through Denver Zoo – the fast Urban 10 Miler – 5-person Marathon Relay – or the Colfax 5K in City Park. Run for more than 100 charities! May 17-18, 2014. Choose your event at runcolfax.org.Run the wildest race in Denver! The Colfax Half Marathon is the only race to run through Denver Zoo – past the cheetahs, elephants and rhinos! Run for more than 100 charities.