To get an event listed in the weekly calendar, send your information to OEcalendar@denverpost.com or fax 303-866-9004 (attention Outdoor Extremes). Please be sure to include a contact number for verification.
ADVENTURE RACING
Saturday
AdventureXstream-Vail; 12-hour race; 11-mile river paddle (including Class II), 35-mile mountain bike, 9-mile trek; $175. gravityplay.com
Sept. 25
The Bearable Race; 350-yard inner-tube lake swim, challenge course, 10-mile mountain trail ride and 4-mile trail run; $65 to $90; Bear Creek Lake Park, Lakewood. thebearable.com or 720-963-5390
Oct. 6-10
AdventureXstream-Expedition; 250-300 miles (supported); $600 per person four-person team, $650 per person two-person team. gravityplay.com
CLIMBING
Today, Sept. 25
DIVAS rock out; women’s outdoor intro to climbing class; $149. outdoordivas.com or 303-449-DIVA
Saturday, Monday, Sept. 24, 26
DIVAS scale the first; multipitch climbing on the First Flatiron in Boulder; $175. outdoordivas.com or 303-449-DIVA
Sunday, Sept. 13
Anchor DIVAS; women’s climbing class, learn to build top rope anchors; $149. outdoordivas.com or 303-449-DIVA
Sept. 18, Oct. 15
High angle self-rescue course; outside, hands on, full day, taught by American Mountain Guide Association trained/certified mountain guides with Alpine World Ascents; $95. alpineworldascents.com
CYCLING
Mountain and road
Ongoing
Road rides each weekend in south metro area hosted by the Highlands Ranch Cycling Club; intermediate to advanced; two to five hours; helmet required; free. highlandsranchcycling.com
Gunnison Valley Mountain Biking instruction and tours; private, groups, ladies-only, half-day, full-day or custom; fees vary; Gunnison/Crested Butte. 970-275-0485
Friday-Sunday
BetterRide Women’s Mountain Bike Camp; mountain bike skills camp for women; $329; Sweet Fruita Singletrack, Fruita. betterride.net
Saturday
Aspen/Snowmass Ride for the Cure; 100-mile course; $75 to $125, Paepcke Park, Aspen. aspenrideforcure100.com
24 Hour Global World Championships; 24-hour race starts at 2 p.m.; Snow Mountain Ranch, Granby. sleeplessinthesaddleusa.com
Moontime Madness MTB Race; $35 to $45; traditional XC-style MTB race; beginner, sport, vet, masters, expert, pro and single-speed categories; at Beaver Creek Ski Resort, Avon. 970-581-5254 or active.com
Saturday-Sunday
16th annual Banana Belt Bicycle Weekend; $27; adults and kids; Riverside Park, Salida. salidachamber.org
Beaver Meadows MTB Festival; $20 to $50; Beaver Meadows Resort, Red Feather Lakes. ramscycling.com/bmrace
The Fall Classic AMBC MTB Stage Race; $50 to $75; a two-day, three-stage event; Breckenridge. mavsports.com
Sunday
2005 Buffalo Bicycle Classic; 35-, 65- or 100-mile rides; benefits students of CU’s College of Arts and Sciences; 7 a.m.; $38 to $48; University of Colorado-Boulder campus. buffalobicycleclassic.com, 303-735-4199 or 303-541-1400
Sept. 16-18
Mountain biking with Juli Furtado and the Women’s Wilderness Institute; $435; Fruita. 303-938-9191
Sept. 17
12th annual Tour of the Vineyards; $35; Palisade. 800-704-3667 or coloradowinefest.com
Sept. 23-25
BetterRide mountain bike skills camp; $379; Fruita. betterride.net
Sept. 24
Sixth annual Summit Adventure (formerly Kokopelli); individual, two-person and three-person races; $145-$475; limited number of entries accepted; Frisco emgcolorado.com or 303-635-2815
Sept. 24-25
Second annual Front Range Mountain Bike Epic; one day of trail maintenance work, followed by a barbecue and overnight camping, with second day for group rides; Buffalo Creek trail network in the Pike National Forest. tcscolorado.org.
HIKING
Tuesdays,
Sept. 20-Oct. 25
Colorado Mountain Club’s Wilderness Trekking School; beginner hiking school; includes four weekend field days; $75; 7 p.m.; at the American Mountaineering Center, Golden. 303-279-3080
RUNNING
Ongoing
Niketown Running Club, meets in front of downtown Denver store Tuesdays at 5:30 p.m., year-round rain or shine. Includes stretches and runs or walks from 3 to 7 miles. Your choice, your pace. 303-623-6453 or nikerunning.com
Saturday
Race for the Health of It; 10K trail run up the mountain; 5K road run around town; $25, benefits local charities; Copper Mountain. summithealthquest.com or 970-968-2104
Evergreen Mountain Trail Races; Elk Meadow, 5.6 miles, 9 a.m.; Bergen Peak, 11.5 miles, 9:20 a.m.; $15 to $20. evergreenrecreation.com
La Sportiva/GoLite Barr Lake Boogie; 15K trail run; $25; 9 a.m.; Barr Lake State Park, Brighton. racingunderground.com
Imogene Pass Run; 17-mile race from Ouray to Telluride; $45; 5:30 a.m. imogenerun.com
Golden Demon Dash 5K; 8 a.m.; $15 to $25; supports the Golden High School boys basketball team; race begins and ends at Golden High School in Golden. 720-936-9119 or goldendemondash.com
MountainAir Marathon; 26.2 miles from Crested Butte to Gunnison; $50 to $65; 8 a.m. active.com
Y Dash 5K; run/walk; $14 to $37; Superior Community Park, Superior. 303-442-2778 or active.com
10th annual Kremmling Road Kill; trail half-marathon; $20; Kremmling. runningseries.com
First American State Bank Fitness Festival 5K; $12-$30, Denver Tech Center. 303-430-2817 or fasbfitnessfestival.com
“Spur of the Moment” 5K, $3, fast paved-trail time trial west of Grand Junction on Colorado River Trail; 8:30 a.m. 970-243-3721, 970-858-8869 or mmstriders.org
Alzheimer’s Memory Walk; 5K; no fees, donations only; Burlington, Colorado Springs, Fort Morgan, Grand Junction and Pueblo. coloradomemorywalk.org
GoLite Barr Lake Boogie; 15K trail run; 9 a.m., $20 to $25; Barr Lake State Park, Brighton. send e-mail to info@racingunderground.com
Sunday
12th annual El Grito 5K run and walk; 9 a.m.; $16; at the Buckhorn Exchange restaurant, 10th Avenue and Osage Street, Denver. 303-284-4114 or active.com
Buddy Walk; benefits the Mile High Down Syndrome Association; Clement Park, Littleton. mhdsa.org
24th annual Neder-Nederland 5K/10K; $10 to $18; at Nederland High School. nederlandchamber.org
Developmental Disabilities Harvest Festival Run; held during the 80th Arvada Harvest Festival; 5-mile run/walk; $15 to $20, Arvada. ddrcco.com
Alzheimer’s Memory Walk; 5K; no fees, donations only; Fort Collins. coloradomemorywalk.org
Teva EverGold 10K; 10 a.m.; $25; Vail. vailrec.com or 970-479-2280
Oktoberfest Fun Run; 10K/5K run, walk or rollerblade; adults and kids; $10 to $20; 5 p.m.; Vail. vailoktoberfest.com
Flying Horse Fling; 5-mile run, 5K run, and kids fun run; $18 to $25; Douglas County Events Center, Castle Rock. 303-694-2030 or active.com
A Day to Remember 5K Run/Walk; Aurora; $15 to $20; 9 a.m.; benefit for Cops Fighting Cancer and Potts Trotters Memorial Park Bench Program. 303-877-8534 or active.com
Sept. 17
Alzheimer’s Memory Walk; 5K; no fees, donations only; Alamosa, Denver (City Park), Durango, Greeley, Loveland, Montrose and Walsenburg. coloradomemorywalk.org
Eldorado Trail Run; $30 to $40; fundraiser for trail building in Eldorado Springs Canyon State Park; 4.1-mile course, with an 850-foot climb, single-track trails; Eldorado Springs Canyon State Park. aceeldo.org/celebrate_eldorado/EldoradoTrailRun.php
Sept. 18
Golden Leaf Half-Marathon; 13.3 miles; Snowmass to Aspen. 970-925-2849 or utemountaineer.com
Second Wind Fund Walk/Run; 1- and 3-mile events; $25; Lakewood. thesecondwindfund.org
Easy Street Wheat half-marathon; 8 a.m.; benefits the Crossroads Safehouse; registration is $50 prerace, $65 day of race; Fort Collins. easystreetwheathalf.com
Sept. 24
Alzheimer’s Memory Walk 2005; 5K; no fees, donations only; Cortez. coloradomemorywalk.org
Fourth annual Run for Lauren; 5K is fifth of six races in Highlands Ranch run series; $20-$25. highlandsranchrunseries.com
SAILING
Saturday-Sunday
Frostbite Regatta; multiple races for centerboard & keel boats, multiple races for keelboats, one-design & handicap fleets; Cherry Creek Reservoir. denversailing.org
Sept. 24-25
Colorado Governor’s Cup Regatta; multiple races for centerboard & keel boats, one-design & handicap classes; Carter Lake, Berthoud. rmsail.org or sailcarter.org
TRIATHLON/DUATHLON/BIATHLON
Wednesday
Chatfield Surf & Turf Aquathon; sprint division is 500-meter swim and 2.5K trail run; super sprint division is 1,500-meter swim and 5K trail run; $20-$30; Chatfield State Park, Littleton. 720-291-4938 or aquathonusa.com
Sunday
Fort Collins Triathlon/Duathlon series No. 3; triathlon is 450-yard swim, 13-mile bike and 5K run; duathlon is 1.2-mile run, 13-mile bike, 3-mile run; $60 to $70; Fort Collins. fortcollinsclub.net
Sept. 18
Harvest Moon Half-Ironman; 1.2-mile swim, 56-mile bike and 13.1-mile run (duathlon will be 5K run, 56-mile bike, 13.1-mile run option); $120 to $180 (preregistration only); Aurora Reservoir. racingunderground.com
WINDSURFING
Sept. 18
RMWA race series. Men, women, and junior open and formula classes; 10 a.m.; Union Reservoir, Longmont. rmwa.org
LECTURES, CLASSES
Thursday-Sunday
D3 Multisport Technique Camp; work on swimming stroke, cycling and running technique; $425; Boulder. d3multisport.com or runuphillracing.com
MISCELLANEOUS
Friday
FASB Family Fitness Festival; ages 17 and up; $15 to $25; 5K run/walk and aerobics sampler; 9 a.m.; Greenwood Village. fasbfitnessfestival.com
Sept. 17
Av-Jam; fundraiser party to support the Colorado Avalanche Information Center; silent auction, gear exhibits, food; American Mountaineering Center, Golden. steve@bcaccess.com
