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
March 25
Lonely Lizard Challenge; run on trails, paddle through ice, ride singletrack, navigate the course; team or individual; 9 a.m.; $39-$49; in Fort Collins. urbanadventures.us
Moab AdventureXstream 12-hour adventure race; includes kayak (7 to 12 miles), mountain bike (30 to 40 miles), trek (6 to 8 miles) and rappel (275 feet). Note: Teams may bypass the rappel and continue in the adventure class and navigation; solo, two- and four-person team divisions; $175 per person; limited entries; Moab. gravityplay.com
AVALANCHE AWARENESS
Saturday; April 15
Avalanche Assessment Mentoring Tour; full-day skill tours devoted to slope and snow stability assessment; $120; at Rocky Mountain National Park. cmsschool.com
Sunday
Avalanche Rescue class; learn or refresh rescue skills to prepare for an avalanche accident; $55; Rocky Mountain National Park. alpineworldascents.com
March 24-26
Avalanche 1 class; topics include recognizing avalanche terrain; rescue techniques; for those new to travel in avalanche terrain or those in need of a skills tuneup; skills required are intermediate skiing/riding skills, or travel on snowshoes; $220; Boulder/Rocky Mountain National Park. alpineworldascents.com
CYCLING
Mountain and road
Friday-Sunday
BetterRide Women’s Mountain Bike Camp; skills camp for riding or racing; led by USA Cycling coach Gene Hamilton; midnight Friday through midnight Sunday; at Sweet Fruita Singletrack, in Fruita; $359. betterride.net
March 21
Spring cycling for women clinic; with Kerry Barnholt of Peak Form Physical Therapy and a former professional mountain cyclist; a 90-minute clinic about training, injury prevention and proper bike fit; 7 p.m.; free. outdoordivas.com
March 25
“Ride for Christian” indoor cycling fundraiser; benefits Make-A-Wish Foundation program; 8:30 a.m.-12:30 p.m.; spin-class format; suggested minimum contribution of $10 to $15 per hour, per bike; advance registration required; at Village Fitness, Happy Canyon Road and U.S. 85, Castle Rock. Teia Krupa, 303-688-4949
KAYAKING
Sunday
Fundraising party; proceeds benefit the Lyons River Project and will help build world-class whitewater feature on the St. Vrain River; includes silent auction, Cajun buffet, bluegrass music; 6 p.m., $25; at Oskar Blues, 303 Main St., Lyons. 303-823-6685
RUNNING
Today
Running, cross training and injury prevention; seminar by Denver Physical Therapy, P.C.; 6:30-8:30 p.m.; at 1325 Glenarm Place, Denver; free. 303-573-5800, ext. 25
Saturday
Sharin’ O’ the Green 5K run/walk; official qualifying race for the Bolder Boulder; 8:30 a.m.; also the Shamrock Scurry, a free kids run, at 8:15 a.m.; at Library Park, 200 Mathews Street, in Fort Collins; $20-$25. partnersmentoringyouth.org
A Run Through Time, turret marathon in Salida; 26.2 miles; $30-$45; hilly runs on dirt and gravel roads with 2,000 feet of climbing; 9 a.m.; at Riverside Park, in Salida. salidarecv.com/cccrc
Carbon Valley 5K run/walk; 9 a.m., also 2K kids run at 10 a.m.; at Frederick High School, 600 5th St., in Frederick; rain or shine; $10-$20. 303-776-2927, ext. 221 or active.com
Lucky Clover 10K; two flat 5-kilometer loops, trail and road, and runners decide which loop to run first; 9 a.m.; at Chatfield State Park, 11500 North Roxborough Park Road, in Littleton; $20-$25. eclecticedgeracing.com
St. Patty’s Run for the Green; 5K and kids run; 9 a.m.; at Civic Green Park in Highlands Ranch; $20-$25. 303-694-2202
Sunday
Orphans of Violence 5K; 9:30 a.m.; also kids run at 10:30 a.m.; at Washington Park, in Denver. 303-694-2030
March 25
Dialysis Dash 5K run/walk; at 2748 Crossroads Blvd., in Grand Junction; $15-$20; 9 a.m. 970-434-3376
March 26
Post-News Colorado Colfax Marathon Training Series 15-mile run; run along the High Line Canal; beginning at DeKovend Park, in Centennial; 9 a.m.; $10-$15. coloradocolfaxmarathon.org
Walk For A Wish 5K run/walk; 10 a.m.; 1112 Birch St., in Fort Collins; $18. eteamz.active.com/walkforawish
SKIING/SNOWBOARDING
Friday
SoBe Heavy Metal on the Hill; urban snowboarding contest; jam format rail rides; men and women; benefit for the University of Colorado snowboard team; 13th Street and College Avenue, Boulder. heavymetalonthehill.com
March 25
Freeskier Magazine Big Air Contest; free; open to skiers and riders, winners will be judged on height and style in three-jump format; at Monarch Mountain. 888-996-7669 or skimonarch.com
March 26
Al Johnson Memorial Uphill/Downhill Telemark Ski Race; at Crested Butte Mountain Resort; telemark race named after 19th century Crested Butte mailman who delivered mail to remote mining camps; costumes encouraged; 600-foot vertical ascent, then race down the double-black diamond terrain; men’s and women’s individual or tag team race; 8 a.m. aljohnsonrace.com
SNOWSHOEING/CROSS COUNTRY SKIING
Wednesday
Snowshoe and cross country ski outing; transportation, lesson, rental and trail pass package from the Frisco Nordic Center; 12-year-olds and older; meet at the Carson Nature Center in Littleton; 8 a.m. to 5 p.m.; $19-$44. ssprd.org/nature or 303-730-1022
Saturday
America’s Uphill; 3,267-foot vertical climb from bottom to top of Aspen Mountain; starts at the base of Little Nell, Aspen Mountain, Silver Queen Gondola; 7 a.m.; final race of BASH uphill series; $30-$40. utemountaineer.com
North Routt Coureur des Bois 2006; frontier-style cross country race in honor of French-Canadian traders from 17th century; 7:30 a.m.; at Steamboat Lake State Park visitors center, 23 miles north of Steamboat Springs. steamboatxcski.org
TRIATHLON/DUATHLON/BIATHLON
Today
DIVAS triathlon clinic; with Wendy Ingraham, the 1997 Hawaiian Ironman winner; focus on the ability to perform at a high level, with tips and techniques for all ages and abilities; 7 p.m.; free. outdoordivas.com
Wednesday
Campus Cycles Triathlon Open House clinic; covers training, recovery, health and gear; 7-9 p.m.; Campus Cycles, 2102 South Washington St., Denver; free. thetriway.com
Saturday
Triathlon Swim Clinic presented by TYR; covers stroke technique, equipment choices and other triathlon-specific swim issues; will swim in wet suits; free. thetriway.com
March 21
Triathlon panel discussion; presented by the Boulder History Museum and 5430 Sports; special guests are Boulder athletes Dave Scott (six-time Hawaii Ironman champion), Siri Lindley (triathlon coach) and writer-photographer Tim Carlson, who will take part in discussion led by Barry Siff, director of 5430 Sports; 7 p.m.; $1-$5; at the Chautauqua Community House, Boulder. Julie, 303-449-3464 or boulderhistorymuseum.org
LECTURES/CLASSES
Wednesday-Thursday
Basics of GPS clinic; learn global positioning systems; Wednesday at Boulder and Lakewood REI stores; Thursday at Colorado Springs, Denver, Englewood and Fort Collins REI stores; 7 p.m. rei.com
Monday
Walk 7,778 Miles In One Man’s Shoes; discussion with Andy Skurka, the first person to complete a sea-to-sea, 11-month trek between Cape Gaspé, Quebec, near the Atlantic Ocean to Cape Alava in Washington on the Pacific Ocean; stories and tips; at Denver REI store;
7 p.m. golite.com, andrewskurka.com or rei.com
Preparation For Desert Hiking; with Karen Lapides of Desert Mountain Medicine; learn common desert medical problems, treatment and prevention; 7 p.m.; Denver REI store. rei.com
March 21
Rider Strategies For Brevet Success; discuss how to train, plan, equip for and ride everything from a 125K to a 1,200K randonneuring event; hosted by Rocky Mountain Cycling Club; Denver REI store; 7 p.m. rmccrides.com or rei.com
March 22-23
Bike Maintenance Basics; learn maintenance and roadside repair, including how to change a flat, lubricate the bike and make routine adjustments; March 22 at Boulder and Lakewood REI stores; March 23 at Colorado Springs, Denver, Englewood and Fort Collins stores; 7 p.m. rei.com
March 25
GPS and Topographic Maps class; taught by the U.S. Geological Survey; how to use GPS, with topographic maps, setup, capturing wayponts, working with coordinates, and navigation; must preregister; at Denver REI store; 10:30 a.m.-4 p.m. rei.com or 303-756-3100
