The rain may be gone, but Colorado is still reeling from September’s floods. Popular cycling destination Jamestown was one of the hardest-hit areas. Join volunteers from Rebuild Jamestown and the Community Foundation for a bike ride to raise money for reconstruction. Take breaks throughout the day to enjoy live music, food, and auctions, as well as a meet-and-greet with pro road and mountain bike racers.
Fight calories and cancer at an extended-length, special donation Dailey Method fitness class. Learn new barre moves before a cool down with refreshments. All proceeds benefit Bright Pink and To Celebrate Life, a pair of non-profit organizations working in the fight against breast cancer. Sat 9-10:30 a.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.
Watch downtown Denver transform into an urban adventure course for the living dead. "Zombie" participants use smartphones, digital cameras, and public transportation to solve clues and crack puzzles throughout the city. The teams to complete all checkpoints the fastest take home cash prizes. Sat 10 a.m.
Looking for the best school for your kid? At this one-stop shop, you can discuss your child's needs with representatives from nearly 30 local schools—both private and public, and other educational organizations. Sat 10 a.m.-noon.
Find out just how tall a human pyramid can become. Performers don stunning costumes while defying physics as they bend, contort, and balance their bodies on objects—and each other. Sat 2 p.m., 6 p.m
Hoards of costumed zombies congregate in Skyline Park, then spill down 16th Street—like a scene right out of the Walking Dead—during this all-ages gathering. Be sure to register beforehand. This year's goal is to break the world record for number of humans decked out as the flesh-eating monsters. Sat 2 p.m.
Excellent wine is just the beginning of this benefit in the mountains. Savor an elegant dinner at Keystone Ranch on Friday, but save room: Saturday’s wine and food tasting will include hundreds of samples, plus live stand-up comedy from Josh Blue from Last Comic Standing. Sat 6-11 p.m.
Actor Sam J. Jones provides a live, running commentary over the 1980s science-fiction cult-classic, Flash Gordon. Attend dressed in your best sci-fi or superhero costume to participate in a Super Costume Ball contest after the screening. You'll get to mingle with Jones and other Halloween enthusiasts in the lobby. Sat 7 p.m.
A reflection on childhood can bring forth an emotional spring—nostalgia for complete freedom, lamentation for the dog that ran away to the farm, regret for the time you teased the kid with no friends. Childhood, it turns out, isn't such a simple time. Four local actors read works depicting the universal ups and downs of adolescence. Also check out Saturday's performance at the Dairy Center for the Arts in Boulder. Sat 7:30; Sun 1:30 p.m. and 6:30 p.m.
Join boyhollow, founder of Lipgloss, Denver's longest-running dance night, and Fancy Matthew, owner of Fancy Tiger clothing, for an underground indie dance party. The night kicks off the pair's musical collaboration, MöVMENT, an experience that celebrates good taste in music and fashion. Artist, producer, and drummer for YACHT, Jeffrey Jerusalem, will DJ for the night. Sat 8 p.m.
They have the traditional jazz band setup with the piano-bass-drums combo, but traditional is one thing this trio is not. Along with performing their own original compositions, the group puts a unique spin on other genres—they’ve covered everything from Black Sabbath to Stravinsky. Sat 9 p.m.
Punk, soul, garage rock band—King Khan & The Shrines have it all. Backed by an eclectic group of musicians he rounded up while visiting Berlin—where he now lives—King Khan screams, shakes, and dances his way through his high-energy shows. Sat 9 p.m.
With six albums in as many years and appearances at the country's biggest festivals, Portugal. The Man might be the most prolific band you've never heard of. Its newest album, Evil Friends, takes the band in a new lyrical direction while maintaining its psychedelic rock sound. Sat 9 p.m.