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
May 12
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
Today
Evenings with DIVAS; free climbing clinic; in Boulder; 7 p.m. outdoordivas.com
CYCLING
Mountain and road
Thursday
Spring Mountain Biking Series at Hartman Rocks; weekly, each Thursday in May; with the Gunnison Valley Bicycle Club; at the multi-use recreation area west of Gunnison; all levels welcome; 5:15 p.m. 970-275-2573
Friday-Saturday
Third annual New Belgium Brewing 18 Hours of Fruita. fruitamountainbike.com or 970-858-7220
Sunday
Rose Hill Bike Rally 50K and 100K; fully supported, family-oriented road ride in farm country near Grand Junction; all ages and abilities welcome; $15 to $30; team discount. stmarygj.com or 970-255-7731
The Burn Mountain Bike Time Trial; at Buffalo Creek Trail System and Castle Mountain Recreation Area, in Pike National Forest near Buffalo Creek and Bailey; all abilities. teamevergreenracing.com or 720-981-1997
May 11-13
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
May 12
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
May 13
Babes in the Backcountry single and multiday mountain bike clinics; with 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 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
Ongoing
Guided Mountain Biking; at Devil’s Thumb Ranch in Tabernash; Thursdays, Saturdays and Sundays; $35; includes bike and helmet rental; with intro to technique; all abilities. devilsthumbranch.com
Road bike rides every Saturday and Sunday along the Front Range, sponsored by Colorado HeartCycle; 20 to 100 miles; weather permitting; helmet required. heartcycle.org
Mountain bike camps, private lessons and clinics with Better Ride; for recreation riders and racers; focus on core skills, balance, vision, cornering, energy management, obstacles, drops, etc.; Series 2 mountain bike camp in Fruita, May 5-7; Denver cross country race camp, May 20-22. betterride.net
Ride the ski slopes all summer; chairlift rides at Crested Butte Mountain Resort are available to bikers and hikers; trails include rolling singletrack to more advanced technical terrain; all ages; lifts open in mid-June through mid-August. skicb.com or 970-349-2262
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
Saturday
Guided Bird Walks; May 5 at High Line Canal, June 9 at Red-tail Park and July 7 at Sand Creek Park; learn what types of birds live in Highlands Ranch; with a district park ranger; $6 to $7; 7-9 a.m. highlandsranch.org or 303-791-2710
Guided Hike: Ravens Reign at the Devil’s Backbone; two-hour hike west of Loveland; learn the importance of native ravens on the Key Hole Trail; easy rating; 5 p.m. larimer.org/parks
Healthy Trails, Healthy People Volunteer Trail Adoption Projects; with the Larimer County Horseman’s Association; tools, training and supervision provided; work on the Devil’s Backbone Trail; free lunch. 970-679-4552 or dflahavhan@larimer.org
May 11
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
May 12
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
May 13
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; talk about the natural history of hummingbirds; 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 White Water 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
May 26
Taste of White Water Rafting the Poudre; a half-day trip down the Cache La Poudre River; covers two 6-mile stretches of moderate Class II/III rapids and one 12-mile stretch that starts in the peaks of the Continental Divide; for beginning and experienced rafters. 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
Sunday
Toyota Benefit Running Series; Cinco de Mayo 10K Run and Fun Walk; at CSU-Pueblo/State Fair Grounds in Pueblo; $30-$45; 8 a.m. starts. twolves.colostate-pueblo.edu/benefit/index.asp
Sunday
Colorado Rockies Home Run for the Homeless; 5K road race and walk through downtown Denver, including a lap around the warning track at Coors Field; all ages and abilities; $15-$30; 8:15 a.m. coloradorockies.com
May 12
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
TRAIL RUNNING
Saturday
Girls-on-the-run 5K; part of national GOTR series; at Matchett Park in Grand Junction; open to females of all ages; $15 to $25; 9 a.m. 970-257-9267 or info@girlsontherungv.com
May 11-13
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
May 12
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
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
MISCELLANEOUS
May 11-13
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
Ongoing
Scuba Diving Adventures for beginners; with Ron Bland from Tortuga Bay of Greeley; become certified as an open-water diver; with confined water training and open-water evaluation; three sessions of Tuesdays 6:30-8:30 p.m., June 5-26, July 3-24 and Aug. 7-28. 970-350-9400
SKI AREA CLOSING DATES
Wednesday – Silverton
Sunday – Loveland
June 5 – Arapahoe Basin
