In this urban adventure race, teams will receive clues that direct them to their challenges in different places around Denver. Teams are required to raise a minimum of $100, which benefits an organization that aids kids with cancer, and teams that raise the most will receive prizes. Sat. 9 a.m.
Put on your bathrobe, pour yourself a White Russian, and grab your bowling ball. This three-person team tournament includes three games and prizes go to top individual and team scores. There’s also a prize for best dressed, so, come in your best Lebowski get-up, dude. Fri. 7 p.m.
Snag a great deal on a new ride. This cyclists' mega-sale hosts hundreds of vendors offering bargains on new and used bikes and equipment (tip: haggling is encouraged). Once you find that perfect fit, test it out at on-site clinics, and learn tips from cycling pros. Sat 9 a.m.-4 p.m.
Racers, beware: The walking dead are taking over downtown. Join other costumed zombies as you solve riddles and navigate an urban course—using only your own two feet and public transportation. As you reach checkpoints along the way, you'll be posed with a puzzle or physical challenge. The first teams to reach the finish line win. Sat 11 a.m.-3 p.m.
This 100- or 134-mile ride takes you from Gunnison, through Kebler Pass, and to Crested Butte—gaining 9,300 feet in elevation along the way. The ride benefits the Western State Colorado University Mountain Sports program. Celebrate your athleticism over beers and food at the after-party. Sun 7 a.m.
A sand volleyball tournament conjures images of the beach, but this annual alpine competition draws hordes of pros, amateurs, and spectators. Nearly anyone can gather a team and sign up: Divisions cover men and women of all ages. Check in at Koch Park. Wed-Mon, times vary.
Get your heart pumping during one of five running races. Choose between the 50K, 100K, 100-mile, and six-hour evening fun run (the truly brave can register for as many as they like). Not enough of a challenge? Sign up for the 24-hour expedition: Flying solo or with a relay team, you have 24 hours to run as many laps as you can on a 7.14-mile, mixed-terrain course.
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