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.
SKI AREA CLOSINGS
May 7
Loveland.
June 5
Arapahoe Basin.
June 15
Silverton Mountain.
ADVENTURE RACING
Thursday-Sunday
Coed AdventureXscapes Adventure Retreat; receive instruction in kayak, mountain bike, rappelling and canyoneering disciplines; optional navigation, nutrition and gear workshops; $995; lodging, equipment and meals included; limited entries; Moab. gravityplay.com
Saturday-Sunday
Camp Xstream Adventure Racing Camp; for beginner or intermediate level athletes, participants choose between one-day kayaking clinic or mountain-bike clinic, all participants take part in one-day canyoneering/rappelling and ropes clinic, other workshops include training, navigation and gear; $495, meals and gear included; limited entries, Moab. gravityplay.com
June 4
GNC Adventure Sprint Race; mountain bike, navigate, trek, paddle, ropes and possible snowshoe; in Vail; three- to six-hour race; three-person coed teams, $250 per team; amateurs and pros welcome. tevamountaingames.com
June 10-11
Durango 12- and 24-hour Adventure-Xstream Adventure Race; in Durango; mountain bike, kayak, trek, Tyrolean and navigation; solo, two-person, four-person, coed or single; $175, 12-hour; $250 24-hour; a regional qualifier for the USARA National Championships. gravityplay.com
July 22-23
Breckenridge sprint, 12- and 24-hour AdventureXstream Adventure Race, in Breckenridge; mountain bike, kayak, trek, orienteering/navigation; solo, two-person, four-person, coed or single; $75 sprint, $175 12-hour, $250 24-hour; a regional qualifier for the USARA National Championships. gravityplay.com
CLIMBING
June 3
Volkswagen Bouldering Competition; in Vail; all ages and abilities; $30. tevamountaingames.com
June 4
Speed Bouldering Competition; in Vail; head-to-head race, fastest times to complete problems advance; $20. tevamountaingames.com
Freestyle Dyno Comp; in Vail; format awards points for difficulty and style; $30. tevamountaingames.com
CYCLING
Mountain and road
Thursday-Sunday
11th annual New Belgium Brewing Fruita Fat Tire Festival; in Fruita; mountain and desert rides, with an expo downtown; over the Colorado National Monument, Douglas Pass and wine country. fruitamountainbike.com or festival@edgecycles.com
May 4-7
Bikerpelli 2006; at Kokopelli Trail; 142 miles of linked singletrack, jeep trail and retired wagon road traveling from Grand Junction to Moab; a fully supported event covering nearly 50 miles each day; $395; Thursday, 8 a.m. to Sunday, 1 p.m. bikerpelli.com
May 5-6
Second annual New Belgium Brewing 18 hours of Fruita; mountain bike season kickoff with the state’s only 18-hour team mountain-bike race; evening start at Highline Lake State Park. 970-858-7220, emgcolorado.com or fruitamountainbike.com
May 7
Rose Hill Bike Rally; a 32- or 64-mile, fully supported, family-oriented bike ride through farm country near Grand Junction; $25 adults, $15 children. 970-255-7731
Beginner Mountain Bike Skills Class; throughout Denver; 8 a.m. denverbiketours.com
May 17
Highlands Ranch Ride of Silence; short ride to honor cyclists who have been killed or injured in incidents with motor vehicles; at Bike Source, southeast corner of University Boulevard and County Line Road; 6:30 p.m. rideofsilence.org or 303-877-2437
May 24
Town Challenge Mountain Bike Race No. 1; at Howelsen Hill Bluffs Circuit, in Steamboat Springs; recreational and competitive; 5:30 p.m. 970-879-4300
May 26
Women’s Mountain Bike workshop with Mia Stockdale, a professional mountain biker, veteran of World Cup and national races; learn new skills; all levels welcome; 5:30-7:30 p.m.; $20. outdoordivas.com
May 27-28
35th Iron Horse Bicycle Classic; Saturday: 47-mile Durango and Silverton Narrow Gauge Railroad road race, starts from the Durango Recreation Center, course travels over two mountain passes, with nearly 5,400 feet in vertical elevation gain, citizens tour races against the train from Durango to Silverton; Sunday: criterium races, kids races, cruiser crit; fourth-oldest bike race in the U.S.; $40-$70. ironhorsebicycleclassic.com
June 2-3
Freeride Challenge; in Vail; head-to-head races through 150-yard course with jumps and obstacles; $30. tevamountaingames.com
June 2-4
Compass Bank Elephant Rock Cycling Festival; inaugural 24-hour mountain-bike race, the GO FAST! 24 Hours of ERock, will be June 2-3 on 8.25-mile loop course in Greenland Open Space Park, starts 6 p.m.; limited entries; June 4 event will have more than 7,000 cyclists riding on four road courses, one off-road and one family course; courses are 32 to 100 miles; all start and finish at Douglas County Fairgrounds; $250-$750. 303-282-9020 or elephantrockride.com
June 3
Vail Pass Hill Climb; in Vail; Coors Classic course up Vail Recreation Path; 9.7 miles, time trial format; $30. tevamountaingames.com
June 4
Nature Valley X-Country; in Vail; NORBA-sanctioned race on front side of Vail Mountain; $25. tevamountaingames.com
Ongoing
Road rides each weekend in the south Denver area hosted by the Highlands Ranch Cycling Club; intermediate to advanced; two to five hours; helmet required; free. highlands-ranchcycling.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
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
Road ride each Saturday morning led by the staff of Bicycle Pedal’r bike shops in Highlands Ranch; 20 to 30 miles; weather permitting; open to all intermediate and advanced riders. bicyclepedalr.com
Road bike rides; weekday evenings and every weekend along the Front Range; 25 to 125 miles; intermediate to advanced; helmet required, hosted by the Rocky Mountain Cycling Club. rmccrides.com
HIKING/BACKPACKING
July 10-15; July 17-22
Keystone Mountain Adventures series; introductory backpacking program for teens ages 14-17; learn about low-impact camping, orienteering, high-alpine environment and cultural history of Summit County. Includes a day rafting the Arkansas River through Brown’s Canyon; $700. keystone.org or 1-800-215-5585
July 14-16
Intro to Backpacking with The Women’s Wilderness Institute; at Snowy Range, Wyo.; $375 includes food and equipment; for women with previous hiking experience and a moderate level of fitness. womenswilderness.org or 303-938-9191
KAYAKING
May 31
Raft and Kayak PaddleCross; in Vail; three rafts or four kayaks race on a Class IV section of the Eagle River through Dowd Chute; $100 team, $30 kayaks. tevamountaingames.com
June 1
East vs. West Amateur Kayak Rodeo; in Vail; contest between Front Range and Western Slope; $20. tevamountaingames.com
Paddler Magazine Extreme Creek Race; in Vail; timed race down Class V Homestake Creek; $30. tevamountaingames.com
Ongoing
Open pool session; Sundays through mid-May; 5:30-7 p.m.; $6, gear extra; Mulberry Pool, 424 W. Mulberry, Fort Collins. 970-493-5720 or themountainshop.com
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 East Asbury Ave. 303-433-3676 or confluencekayaks.com
Open pool session and roll clinic hosted by the Boulder Outdoor Center; 8-10 p.m. Saturday and Sunday; clinic $34, open pool access $15; reservations required; Louisville
Recreation Center, 900 W. Via Appia, Louisville. 303-444-8420 or boc123.com
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, Colorado Springs.pikespeakwhitewaterclub.com
RUNNING
Saturday
Colorado Running Company Greenland Trail 50K, 25K and 8-mile; at Greenland Open Space, in Greenland; a non-technical doubletrack trail through prairie and grasslands; 500 feet of elevation gain; 8 a.m.; $30-$60. greenland50k.com
Run For a Child’s Sake; at Runners Roost, 902 W. Drake St., in Fort Collins; $22; 8 a.m. 970-226-3818
Run For Remembrance; 5K competitive and casual run and a 2K/4K fun walk/run; at Columbine High School/Clement Park, 6201 S. Pierce St., in Littleton; $22; 8 a.m. sc.jeffco.k12.co.us/columbine/run
Run for Shelter; 5K cross country run/walk; at Baldridge Park, in Montrose; $25; 9 a.m. sjmr.org
Sunday
Boulder Distance Carnival 2006; 5-mile, 15K and 30K runs, and 1-mile run/walk; at Boulder Reservoir; $5-$15; 7:30 a.m. distancecarnival.com
Cherry Creek Sneak; $15 kids, $30 adult, $70 family foursome; start times vary. cherrycreeksneak.com
Fairmount 5000; 5K run/walk and 100-meter dash kids run; competitive and recreational, all ages; Bolder Boulder qualifier; at Fairmount Elementary School, 15975 W. 50th Ave., in Golden; $15-$20; 9 a.m. 303-694-2202
May 6
Fire Hydrant Five 5K Run, 3K Pledge Walk and Pet Fair; at Edora Park, 1420 E. Stuart St., in Fort Collins; 7:30 a.m. larimerhumane.org
Take 5 in the Garden; 5K and 5-mile race; paved, hilly, strenuous course; at Garden of the Gods Park, in Colorado Springs; $20; 8 a.m. csgrandprix.com
Fourth Annual Bob Turner Classic 5K Run/Walk; all ages; $15; 8 a.m. fc.thompson.k12.co.us/~ranweilerc
Partners’ Fiesta 5K; Bolder Boulder qualifier; at Island Grove Park, 14th Avenue and D Street, in Greeley; $20-$25; 8 a.m. weldpartners.org
Ninth Annual KBCO Kinetic 5K Race Around the Rez; serious run or casual walk; at Boulder Reservoir; $15-$25; 9 a.m. kbcoradio.com
21st Annual Spirit Challenge; 10K run, 5K run/walk and kids walk-a-thon; 5K is an on- and off-road loop, 10k is uphill and down through Strawberry Park; at Steamboat Elementary School in Steamboat Springs; $20; 10 a.m. runningseries.com
Cinco-Cinco 5K Run/Walk; at CSU’s Music Building on Oval Drive, in Fort Collins; $12-$22; 8 a.m. cincocinco.colostate.edu
May 7
Colorado Marathon, Mini Marathon and 10K (formerly known as The Fort Collins Old Town Marathon); a Boston Marathon qualifier; also a free kids marathon; $30-$70; point to point on pavement and bike trail; 6:15 a.m. ftcollinsmarathon.com
2006 Cinco de Mayo Run; 5K, 10K and fun runs; at Colorado State Fairgrounds, in Pueblo; $17-$20; 7:30 a.m. 719-549-7659
2006 Run with the Warriors 5K; run/walk and 1K family fun trail walk; by Westminster High School; Bolder Boulder qualifier; at the Promenade Terrace Pavilion behind the Westin Hotel, 105th Avenue and Sheridan Boulevard, in Westminster; $15-$20; 8 a.m. 303-428-1227 or 303-427-2283
Make-A-Wish Half-Marathon and 5K; at Cherry Creek State Park, in Aurora. wishcolorado.org
May 13
Holy Family Hallelujah 5K; 9 a.m.; at Seventh Street and H Road, Grand Junction; $20. 970-256-7227
May 16
Training discussion with Colleen Cannon, 1984 world champion and former pro triathlete, and Lorraine Moller, four-time Olympian and winner of the Boston Marathon; 7 p.m. outdoordivas.com
May 20
Mike the Headless Chicken 5K; part of Fruita’s Mike the Headless Chicken festival; $20; in downtown Fruita; 9 a.m. 970-858-0360
Ongoing
FastForward Sports training programs; running and triathlon; build a foundation for preparing for 5K and 10K races or a triathlon; $129 to $329; meetings available in Boulder and Denver. fastforwardsports.net
Niketown Running Club, meets in front of downtown Denver store Tuesdays at 5:30 p.m., year-round rain or shine. Runs or walks from 3 to 7 miles. 303-623-6453 or nikerunning.com
SKIING/SNOWBOARDING
Saturday
Fourth Annual Cloudveil Grind; at Arapahoe Basin ski area; uphill-downhill adventure race; climb 2,000 vertical feet to Little Lenawee Peak, then ride down double-black diamond North Pole and lower East Wall; $18; 10 a.m. arapahoebasin.com/events
TRAIL RUNNING
May 6
Women’s River Trail 5K; proceeds go to “Girls-on-the-Run”; at the Pepsi Plant on Redlands, in Grand Junction; 9 a.m.; $15. 970-257-9267
Collegiate Peaks Trail Run; 25- or 50-mile trail run; challenging course with more than 3,500 feet elevation gain; 4-by-4 roads and singletrack and multi-use trails; at Buena Vista Community Center, East Main Street, in Buena Vista; 6:30 a.m. collegiatepeakstrailrun.org
La Sportiva GoLite Castlewood Cliffs 10K Trail Run; a short paved stretch, then singletrack; at Castlewood Canyon State Park, in Franktown; $30; 9 a.m. racingunderground.com
May 27
Garfield Grumble; 5-mile extreme trail run, with more than 2,000 feet elevation gain; starts at Garfield trailhead northwest of Palisade; 8 a.m.; $3. 970-245-4243 or 970-245-4382
SKYDIVING
Ongoing
Mile Hi Skydiving Center; full jumping operations; weekdays 9 a.m. to sunset, weekends 8 a.m. to sunset. 303-702-9911 or mile-hi-skydiving.com
SWIMMING
Sunday
Swim video analysis class; includes videotaping underwater, side and end-of-pool views of swimmer’s stroke and feedback from on-deck certified coach; 11 a.m. to 3 p.m.; $43 residents, $56 nonresidents; at Highlands Ranch Recreation Center (Northridge Facility) 8801 S. Broadway, Highlands Ranch. pete@milehighmultisport.com
TREE CLIMBING
May 27-28
Basic Tree Climbing Course; officially sanctioned by Tree Climbers International; covers the basics needed to begin recreational/technical tree climbing, including rope instruction and knotcraft, equipment, hazards, tree climbing ethics and more; all equipment provided; 16- to 18-hour course; $450; in Evergreen. treeclimbingco.com or 303-526-2904
TRIATHLON/DUATHLON
May 7
South Rim Duathlon; long course: 6-mile run and 15-mile bike ride; short course: 3-mile run and 6-mile bike ride; free kids race with 800-meter run and 1-mile bike ride; at Sale Barn Trailhead; 26345 Hwy. 160, in Durango; $35-$60; 10 a.m. durangogov.org
LECTURES/CLASSES
May 9
Adventure Racing: Then and Now; program with Barry Siff and Dave Mackey, covers history and growth of the sport; at the Chautauqua Community House, 900 Baseline Road, in Boulder; $1-$5; 7 p.m. 303-449-3464
Ongoing
Maps, Compasses & Orienteering class; a U.S. Geological Survey-hosted class; free; 1 p.m. Friday at REI Denver flagship store, 1416 Platte St. rei.com
MISCELLANEOUS
May 6
Passport to the Trails Celebration; arts and crafts projects, fitness testing and program ideas, environmental and wildlife education activities, music; free; 10 a.m.-noon; at West Progress Lane, in Littleton, free parking at Pirates Cove or Belleview Park – walk five minutes east on the Big Dry Creek Trail. 303-798-5131
May 20
GPS and Map Reading Skills Treasure Hunt; basic GPS operation and navigation in the morning followed by an afternoon of hands-on activities and treasure hunt; bring a GPS unit, compass, pencil and paper; by Dave Hill, local Search and Rescue volunteer and retired Air Force navigator; $30; 9 a.m.-3 p.m. yampatika.org and 970-871-9151



