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.
CLIMBING
Wednesday
Arlene Blum climbing slide show; from her memoir “Breaking Trail: A Climbing Life”; photos and stories; in Boulder; 7 p.m. outdoordivas.com
CYCLING
Mountain and road
March 31-April 1
Oredigger Classic; in Golden; includes the Lookout Mountain Hill Climb and a new circuit race around the Colorado School of Mines campus; hill climb is a 4.3-mile individual time trial to the top of Lookout Mountain; circuit race is a 3K course around the Mines campus with fast descents, a climb and turns; $20 to $35. csmcycling.com
April 11-15
Moab Spring Mountain Bike Skills Training Camp; covers on-bike skills required for riding all kinds of terrain, confidence-building, and reinforcement of foundational knowledge of the sport. jdssportcoaching.com scott@jdssportcoaching.com or 303-736-2198
Ongoing
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.; women’s camp in Fruita, Saturday-Monday; mountain bike camp in Fruita, March 31 to April 2; cross country race camp in Fruita, April 14-16; six-day mountain bike camp in Fruita, April 21-26; women’s camp in Fruita, April 28-30; Series 2 mountain bike camp in Fruita, May 5-7; Denver cross country race camp, May 20-22. betterride.net
HIKING
March 31
Guided Bird Walks; March 31 at Cheese Ranch Historic and Natural Area; also 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
April 10
Wilderness Trekking School; Colorado Mountain Club’s beginner hiking school; teaches the basics of mountaineering and hiking; includes five weekly lectures and five weekend field days; $80; 7 p.m.; in Golden. wts.cmcschools.org or 303-279-3080
Ongoing
Work the Colorado Trail; trail work and other volunteer tasks; from single day to week long, June to August; by the Colorado Trail Foundation. coloradotrail.org
Trail work with Trails 2000; build and maintain trails and educate trail users; volunteers needed to do trail work beginning in March. trails2000.org
Park weeding and trail maintenance; at Roxborough State Park, in Littleton; need for volunteers to work with trained crew leaders to pull, snip and collect noxious weeds and help maintain the hiking trails. 303-973-3959
KAYAKING
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
Open pool session hosted by Pikes Peak Whitewater Club and Colorado Kayak Supply; 5-7 p.m. Sundays; introductory lessons from 4-5 p.m.; Cheyenne Mountain High School pool, 1200 Cresta Road, in Colorado Springs. pikespeakwhitewaterclub.com
RUNNING
Saturday
FastForward 4-Miler; at Boulder Reservoir in Boulder; flat, out-and-back course; race will be chip timed with mile splits, and results will include individualized training zones by pace; $20 to $30; 9 a.m.. 303-440-1975 or fastforwardsports.net/4mile
March 31
E-Days Blaster Dash 5K and Blaster Blitz Kids Half-Mile; at Colorado School of Mines in Golden; traverses the Colorado Mines campus; an official Bolder Boulder qualifier; $5 to $25; 8 a.m. edaysblasterdash.com
Dialysis Dash 5K; walk or run; in Grand Junction, $15; 9 a.m. 970-250-8592
April 1
Platte River Half Marathon and Buckhorn Exchange Relay; from downtown Littleton to the Buckhorn Exchange Restaurant at 10th Avenue and Osage Street in Denver; 9 a.m. 303-220-1037 or platteriverhalf.com
April 7
Second annual Globe Trot 5K Run/Walk; at the Oval on the CSU campus in Fort Collins; fast, flat race starts and ends at CSU; $18; 9 a.m. engr.colostate.edu/ewb
Mile High Amazing Race to benefit the Leukemia and Lymphoma Society; team will be challenged to reach checkpoint-to-checkpoint and defeat many challenges, detours and roadblocks; at the Pepsi Center, in Denver; $55 solo, $210 teams. myrealityadventure.com
TRAIL RUNNING
April 7
Widowmaker Trail Runs; at Tabeguache Trailhead, southwest of Grand Junction; $3; a 7-mile run, rarely level, mostly singletrack, high desert trail run; also a tougher, 11-mile run; 10 a.m. 970-241-6478 or bloobarooo@yahoo.com
April 14
Greenland Trail 50K, 25K and 8M; trail is a non-technical doubletrack through prairie and grasslands up against the foothills; only 500 feet of elevation gain and loss; at Greenland Open Space in Greenland; $30 to $50; 8 a.m. greenland50k.com
SKIING/SNOWBOARDING
Wednesday-Sunday
Countrywide American Ski Classic; at Golden Peak in Vail; both professional and amateur ski racing. vvf.org/athletic/skiclassic.php
Thursday-Sunday
Spring Jam at Aspen; new-school competitions with downtown concerts, parties and core cultural events; at Aspen Mountain. aspensnowmass.com
Saturday
Vert Alert Terrain Park Competition Session No. 1; annual freestyle ski and snowboard competition at Love Park; at Loveland Ski Area. skiloveland.com
Crested Butte Tele Clinic and Babes Night Out; tele tuneup; for intermediate skiers and above; $100; includes pre-ski yoga, full-day clinic, demo equipment and more; 8 a.m. to 4 p.m. babesinthebackcountry.com or 970-453-4060
April 7
11th annual 3-Pin Grin Telemark Festival; with some of the best local telemark skiers; also live music on the plaza; at Loveland. skiloveland.com
April 8-10; May 4-6
Backcountry Hut Trips to Summit County; for advanced intermediate and better; telemark, alpine or snowboard, women only; must have previous backcountry experience; April 8-10 – mother/daughter, May 4-6 – ski mountaineering; includes breakfast and dinner at the hut, lodging, snacks, backcountry safety equipment and guided instruction, and morning yoga; two-day trips, $250; three-day trips, $350. babesinthebackcountry.com or 970-453-4060
SNOWSHOEING/CROSS COUNTRY SKIING
March 28
Learn to cross country ski or snowshoe; ages 12 to adult; meet at South Platte Park, 3000 W. Carson Drive, Littleton; lessons, rentals and trail pass packages available at the Breckenridge Nordic Center; choose skis or snowshoes or switch midday for one rental fee; 8 a.m. to 5 p.m. sspr.org or 303-347-5999
March 30-31
Elk Mountains Grand Traverse; start in Crested Butte; backcountry ski race between the towns of Crested Butte and Aspen; $250 per team. elkmountaintraverse.org
March 31
Breckenbeiner 60K skiathlon; at Breckenridge Nordic Center in Breckenridge. breckenridgenordic.com
April 7
12th annual Sun Dog’s K-9 Uphill; at Buttermilk Mountain in Aspen; snowshoe, ski or hike 2,000 vertical feet over 2 miles, starts at the base of Buttermilk Mountain; demo snowshoes and demo dogs available; recreational and competitive divisions; $30 to $35. sundogathletics.com
WINTER ACTIVITIES
Sunday-Monday
Special Olympics Winter Games; culmination of the winter sports season for the 550 athletes who annually participate in alpine skiing, cross country skiing, figure skating, snowshoeing and snowboarding; at Copper Mountain; by Special Olympics Colorado. coppercolorado.com
MISCELLANEOUS
April 5-8
Wilderness Yoga Slickrock Yoga Retreat; with the Women’s Wilderness Institute; in Grand Junction; daily yoga practice on a backpacking retreat; out-and-back routes; $525. womenswilderness.org



