To get an event listed in the calendar, send your information 14-21 days in advance to OEcalendar@denverpost.com or fax 303-866-9004 (attn: Outdoor Extremes). Please include a contact number. Items will run on a space-available basis.
ADVENTURE RACING
Saturday
Buena Vista Adventure Xstream Adventure Race; sprint or 12-hour courses; features mountain biking, whitewater kayaking, orienteering, trail running and a Tyrolean traverse. gravityplay.com or 970-259-7771
June 2-3
GNC Ultimate Mountain Challenge; in Vail; cross country mountain bike, road bike time trial, 10K trail run, Class II kayak; solo or team; $100 solo, $150 teams. tevamountaingames.com
CLIMBING
June 1-2
Volkswagen Bouldering Competition; in Vail; pros’ and citizens’ competition; all ages and abilities; $30. tevamountaingames.com
CYCLING
Mountain and road
Friday-Sunday
Mountain Biking Singletrack Sampler; three days on a singletrack near Fruita, with individual instruction from professional bike coach and trainer Rhonda Mayo; for beginning and intermediate riders; covers foundational and technical skills; $435. womenswilderness.org or 303-938-9191
Saturday
Do-It-Yourself Bike Repair; by South Suburban Parks and Recreation; learn how to repair flat tires, lube bikes, adjust brakes and gears, and which tools to carry; 1:30-3:30 p.m.; $19-$45. sspr.org or 303-347-5999
Sunday
Babes in the Backcountry single- and multiday mountain bike clinics; instructors from RipStoke; one-day options available July 14 and Aug. 11; at White Ranch; also June 16, July 13-15 and Aug. 10-12 in Breckenridge; $130-$350. babesinthebackcountry.com or 970-453-4060
May 16
Ride of Silence; in Highlands Ranch; a 10-mile ride in honor of cyclists who have died in accidents with motor vehicles; 6:30 p.m. rideofsilence.org or 303-827-1727
May 19
2007 Carter Lake Classic; at North Boulder Park in Boulder; a 65-mile rolling course to the reservoir and back; limited to 50 riders; with the Davis Phinney Foundation. carterlakeclassic.com
May 20
Community Classic Bike Tour; four routes for every age and skill level; a 62-mile metric century and a 37-mile ride for experienced riders, with elevation climbs; also a 30-mile route with limited elevation change through the countryside; and a 5-mile ride on bike path to Boyd Lake. mckeefoundation.com
June 9-11
Durango Intermediate Singletrack Weekend; with Babes in the Backcountry; $645. babesinthebackcountry.com or 970-453-4060
DISC GOLF/ULTIMATE FRISBEE
May 19
Ultimate Frisbee pirate-themed social mixer; at Stazio Softball Fields in Boulder; hosted by Grass Roots Ultimates; all skill levels; four games on random teams; food, beverages, prizes; 9 a.m. to 6 p.m.; $13. gasm2007.googlepages.com or gasm2007@gmail.com
HIKING
Friday
Blue Mountain Conservation Area Tour; features Chimney Hollow; 8:30 a.m.; a six-hour tour with the Larimer County Open Lands Program and the Northern Colorado Water Conservancy District; limited to 12 people; moderate difficulty. larimer.org/parks
Saturday
Wildflowers Trail Hike; a three-hour tour at Horsetooth Mountain Park, beginning at the original trailhead, west of Fort Collins; with a mountain park guide; part of a six-hike series looking at springtime flowers; easy to moderate; 9 p.m. larimer.org/parks
Sunday
Mother’s Day at Eagle’s Nest Hike; a three-hour tour at Livermore north of Fort Collins; with a naturalist guide; see nesting eagles; easy to moderate hike; 9 a.m. larimer.org/parks
May 18
“What’s in Bloom” Hike at Devil’s Backbone Open Space west of Loveland; two-hour tour; with naturalist guides; discover native flowers; easy to moderate; 5:30 p.m. larimer.org/parks
May 19
Hiking Safety FUNdamentals; at Metro District Parks, Recreation and Open Space Service Center in Highlands Ranch; with a member of the Douglas County Search and Rescue team and a district park ranger; learn what to pack, proper trail etiquette, what to do in a storm or flash flood and in an emergency; $6-$7; 9-11:30 a.m. highlandsranch.org or 303-791-2710
Red Mountain Open Space Tour; 8:30 a.m.; all-day tour of a primitive area north of Fort Collins; moderate to difficult; limited to 12 people. larimer.org/parks
All in the Family Tour; a 2 1/2-hour nature hike at Horsetooth Mountain Park, west of Fort Collins; learn the secrets of flower families; easy to moderate; 9 a.m. larimer.org/parks
Hummers – The Birds, Not the Vehicle! – Hiking Tour; a two-hour talk and hike at Fossil Creek Reservoir Regional Open Space north of Loveland; with a veterinarian and naturalist guide; easy rating; 1 p.m. larimer.org/parks
KAYAKING
May 25-28
Gunnison River Memorial Day Canoe Trip; a three-day, two-night journey begins in Delta and flows to Whitewater near Grand Junction; no canoe experience necessary; certified American Canoe Association guides will provide instruction; all gear and meals included; with certified guides from White Water Canoe Co. near Greeley. 970-350-9400
July 6-8
Canoe the Green River; through Red and Swallow Canyon following John Wesley Powell’s route on his first descent of the exploration of the Grand Canyon; begins below Flaming Gorge Dam at Little Hole, hike part of the Butch Cassidy and Sundance Kid Outlaw Trail and explore the John Jarvie National Historic Site; includes meals and equipment; with White Water Canoe Co. 970-350-9400
Ongoing
Lessons and open pool sessions hosted by Golden River Sports; Tuesdays and Thursdays, 6:30-8:30 p.m.; reservations required; Golden Recreation Center. 303-215-9386
Open pool session and beginner and expert lessons hosted by Confluence Kayaks; 8-10 p.m. Tuesdays; lesson with gear, $45, open pool access only, $10; reservations required; University of Denver’s El Pomar Natatorium, 2201 E. Asbury Ave. 303-433-3676 or confluencekayaks.com
Open pool session hosted by Pikes Peak Whitewater Club and Colorado Kayak Supply; 5-7 p.m. Sundays; introductory lessons from 3-5 p.m.; Cheyenne Mountain High School pool, 1200 Cresta Road, in Colorado Springs. pikespeakwhitewaterclub.com
RUNNING
Saturday
Columbine High School Run For Remembrance; 5K competitive run and 5K fun run/walk; more than 900 runners last year; in Littleton; $25; 8 a.m. jeffcoweb.jeffco.k12.co.us/high/columbine or active.com
May 19
Mike the Headless Chicken 5K; part of Fruita’s Mike-the-Headless-Chicken Days; in Fruita; 9 a.m. fruita.org or 970-858-0360
Spiral Drive 4-mile run; in Salida; 10 a.m.; run up and down Tenderfoot Mountain. salidarec.com/ccrc or 719-539-2503
May 20
Miles for Smiles 5K run/walk; at the new Broomfield Commons Park; on mostly open-space trails; $13 to $25; 9 a.m. twoangelsfoundation.org
Guts and Glory Walk; 2.5-mile fun run and walk; by the Crohn’s and Colitis Foundation of America, Rocky Mountain Chapter; at Washington Park in Denver; 9 a.m. ccfa.kintera.org/rockymountain/2007denverwalk
Ongoing
Dash and Dine 5K No. 1; in Boulder; part of a 5K race series every Tuesday through May 15; starts at Coot Lake; $15 to $20; official Bolder Boulder qualifier; 6:30 p.m. 303-939-8000
Tuesday Night Track with the Zoom Track Club; every Tuesday through July; a recreational track program for ages 6 to 12; compete in two track events each night; practices on Tuesday and Thursday; at Highlands Ranch High School. 303-925-1853
TRAIL RUNNING
Friday-Sunday
Women’s Trail Running Retreat; led by Elinor Fish, associate editor of Trail Runner magazine; includes guided group training runs, mostly on trails, morning yoga classes and theory sessions covering how to build a training plan, hill-running techniques, good running form and nutrition; $200. 970-586-4432 or activeataltitude@gmail.com
Saturday
South Suburban’s 26th High Line Canal Run and Walk; 10K run or 5K run/walk; Bolder Boulder qualifier; at deKoevend Park in Littleton; all ages; $20 to $25; 8 a.m. sspr.org or 303-798-7515
May 19
Coyote Creek 8-mile run; at Ceriani Park in Kremmling; course is an 8-mile loop of two-track dirt trails and singletrack sections; 9 a.m. runkremmling.com or 1-877-573-7926
May 20
La Sportiva Front Range Trail Frenzy Series; includes five races: Saturday, Chatfield 7.5-mile; May 20, Castlewood Canyon 6.5-mile; June 23, Buffalo Creek 12K; July 21, Golden Gate Canyon Trail Run 12.7-mile; Aug. 12, Lookout Mountain Hill Climb 4.5-mile; $60-$90; 8 a.m. runuphillracing.com
SAILING
May 31-June 3
SAIL sailing class for beginners; intense, four-day, 40-hour course covers psychology, lesson planning and on-the-water techniques; all levels; at Cherry Creek Reservoir; $280-$300. ussailing.org or 303-757-7718
SKIING/SNOWBOARDING
May 16
“7 Continents, 7 Summits, 2 Skis and 1 Buddhist Lama” presentation with speaker Kit DesLauriers, a two-time world champion freeskier who reached the summit of Mount Everest, then was the first to ski from the top of Seven Summits; at Boulder Theater, 7 p.m. bouldertheater.com or 303-786-7030
TRIATHLON/DUATHLON
June 5
Evenings with DIVAS; free triathlon clinic; in Denver; 6:30 p.m. outdoordivas.com
MISCELLANEOUS
Friday-Sunday
Boulder Adventure Film Festival; at the Dairy Center for the Arts and the Boulder Theater, in Boulder; an international film series and forum for independent adventure films. bouldertheater.com or thedairy.org
May 19
Better Body Boot Camp; at Red Rocks Amphitheatre in Morrison; a two-hour workout with Jeff Strickland, a world champion kickboxer, trainer and nutritionist; includes resistance, cardiovascular, agility, speed and plyometric training; also May 26 and June 2; $30; 8 a.m. active.com
