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. Be sure to include a contact number. Items will run on a per-space basis.
ACTION SPORTS
Thursday-Saturday
2006 U.S. Open Mountainboarding Championships; dirt boardercross competition; the only lift-served professional boardercross course in the U.S.; in Snowmass Village. usopenmountainboarding.com or 303-886-1812
ADVENTURE RACING
Saturday-Sunday
Breckenridge sprint, 12- and 24-hour AdventureXstream, 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
Saturday-Sunday
Intro to Rock Climbing Weekend with The Women’s Wilderness Institute; in Boulder; $175 and includes all climbing gear and lunches. womenswilderness.org or 303-938-9191
July 29-30
Lead Climbing Weekend with The Women’s Wilderness Institute; in Boulder; $175 includes all climbing gear and lunches. womenswilderness.org or 303-938-9191
Babes Rock! clinics; in Summit County; for beginner and intermediate climbers; $350. babesinthebackcountry.com
CYCLING
Mountain and road
Friday-Monday
Courage Classic; 157 miles through mountain byways and backcountry; also a century option for an extra 100 miles; also a one-day ride for cyclists of all ages; through Leadville, Vail and Summit County; $60 to $105. couragetours.com
Saturday, Aug. 12, Sept. 16
Babes on Bikes; in Breckenridge (Sept. 16 clinic on Front Range) women-specific clinics include skills practice, trails education, bike fit and maintenance tips for all levels of riders; $120. babesinthebackcountry.com
Saturday
Colorado Cup Gypsum Criterium No. 2; part of the Colorado Cup Omnium Races; in Gypsum; $15 to $20. altituderacing.com
Winter Park Mountain Bike Series, race four, point to point; 18.8-mile point-to-point course from Winter Park Resort to Fraser; at Winter Park Resort, in Winter Park; beginner to pro; 10 a.m. epicsingletrack.com
Durango-100 Century; 100-mile loop, 84-mile loop or 50-mile one-way ride; from Durango to Farmington, N.M. and back; $20; 7 a.m. durango100.com
Fifth annual Colorado-Eagle River Ride; at Beaver Creek Resort in Avon; 100-mile, 100K and 42-mile courses along the Colorado River Road in Eagle County; fully supported with aid stations and SAG vehicles; 7 a.m., $95 to $115. vailvelo.com
Intro to mountain biking: basic techniques class; practice braking, pedaling, turning, hopping; other topics include trail etiquette and maintenance; helmet required; $39 to $44; 2-4 p.m., Colorado Free University. freeu.com or 303-399-0093
July 30
24th Wray Elks citizen bike road races; in Wray; 14- and 34-mile races; 7:30 a.m. 970-332-5080 or kudokiddo@hotmail.com
Aug. 5
Copper Triangle Alpine Classic; 78-mile loop starts at Copper Mountain Resort and passes through Leadville and Vail, includes three mountain passes with elevations over 10,000 feet. coppertriangle.com
Aug. 13
14th Ride for Sight; 100-mile bike tour; also 10-, 20- and 50-mile routes; $15 to $35; 6:30 a.m. rideforsightwy.org
Aug. 19
Ultra 100; in Beaver Creek; 20-mile mountain bike race; loop, stadium base and finish area; 100-mile and 100K team and solo divisions. mtbrace.com
Aug. 26
Durango MTB 100 Mountain Bike Race Durango; three courses: 100 miles, 100K and 50K; starts at base of Durango Mountain Resort and climbs to summit. mtb100.com
Aug. 26-27
Mountain Adventure Retreat; includes rides in Summit County backcountry and maintenance tips; $220. babesinthebackcountry.com
Aug. 27
Horsetooth Double Dip Bicycle Challenge; formerly the RAT Ride; a one-day tour through Larimer County, in Elizabeth; four routes: 30, 50, 75, and 105 miles; riders of all abilities; longest route has 8,000 feet of climbing.horsetoothdoubledip.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 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
Friday-Sunday
Mother/Daughter Backpack with The Women’s Wilderness Institute; in Snowy Range, Wyo.; $375, includes all food and equipment; mothers of all ages and daughters 13 and older. womenswilderness.org or 303-938-9191
July 25-29
Rocky Mountain Backpack with The Women’s Wilderness Institute; at Rocky Mountain National Park; $580 includes all food and equipment; for women with previous backpacking experience. womenswilderness.org or 303-938-9191
July 30
Sierra Club hike; up Pawnee Pass, south along the Continental Divide; over unnamed peak, then east to Shoshoni Peak; 10-mile route, 2,600 feet of elevation gain; 7 a.m. to 3 p.m. bill.campbell@rmc.sierraclub.org or 720-837-0074
Aug. 4-6
Longs Peak Climb with The Women’s Wilderness Institute; at Rocky Mountain National Park; $480; for experienced hikers, a challenging course. womenswilderness.org
Aug. 13
Classic Sierra Club hike to the summit of Mount Audubon; 13,223 feet; 8-mile route; 2,700-foot elevation gain; bring 10 essentials; free. 720-837-0074 or bill.campbell@rmc.sierraclub.org.
Ongoing
Trail access, nordic walking, guided hikes and bird and nature walks; at the Adventure Center, in Broad Axe Barn, at Devil’s Thumb Ranch in Tabernash; 4,000 acres of wilderness and trails; $5 to $15; schedule varies. devilsthumbranch.com
Guided backpacking trips from Altitude Adventures; overnight and three-day trips; $200. 303-499-1100 or altitudeadventures.com
KAYAKING
Ongoing
Lessons with Poudre River Kayak and Canoe; on the Poudre River; learn how to run rivers, stroke, roll and play on whitewater. brian@themountainshop.com or 970-493-5720
Ducky trips with Poudre River Kayak and Canoe; with experienced guides. brian@themountainshop.com or 970-493-5720
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
Roll clinic and outdoor sessions hosted by the Boulder Outdoor Center; in Boulder Reservoir; weekdays and weekends, day and night; online registration; 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, in Colorado Springs. pikespeakwhitewaterclub.com
RUNNING
Saturday
Loveland Classic 10K; at Denver Avenue and 11th Street, in Loveland; $10 to $20; 7 a.m. 970-290-8364
Kids Cure for Cancer; 5K run/walk and 1K fun run; at Inverness Park, in Englewood; solo and team; $15 kids, $25 adults; 8 a.m. kidscure.org
Angels In Action 5K Fun Run/Walk; at Nottingham Park, in Avon; $25 adults, $5 children; 10 a.m. 970-845-2049
Sunday
Teva Vail Half-marathon; in Vail; $25; 8 a.m. vailrec.com
Aug. 19
Palisade Peach Festival 5-mile; in Palisade; 8 a.m. 970-434-3376
Aug. 20
2006 Pikes Peak Marathon; 26.21 miles; at Pike National Forest, in Manitou Springs; various cutoff times; 7 a.m. pikespeakmarathon.org
Oct. 15
The Denver Marathon; also a half marathon or four-person marathon relay; $85 to $105. denvermarathon.com
Nov. 11
Mesa State 37K Rimrock Run; gate-to-gate through Colorado National Monument; starts at the park’s east entrance, in Grand Junction; 8 a.m.; limited to 400 entries. rimrockrun.org or 970-243-4055
Ongoing
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
Team Run 5280 weekly training runs through Oct. 15; all abilities; $225; with Maureen Roben, a Colorado women’s record-holder for the half marathon; Saturdays at 7 a.m. denvermarathon.com or RUN5280@denvermarathon.com
SAILING
Aug. 4-6
Alpine Bank Dillon Open Regatta; on Lake Dillon Reservoir in Dillon; two race courses over 15 classes of sailboats; $5. dillonopen.com
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
Aug. 12
10K open-water race; benefits Wingshadow, a nonprofit organization that serves endangered youth in northern Colorado; at Horsetooth Reservoir, west of Fort Collins. whswim.com or 970-419-3252
TRAIL RUNNING
Saturday
La Sportiva GoLite Lookout Mountain Hill Climb; 1,900 feet climbing over 4 1/2 miles; from downtown Golden to the summit of Lookout Mountain; singletrack and park trails; at Colorado School of Mines, in Golden; $30; 8 a.m. racingunderground.com
Grin and Bear It trail run; in Crested Butte; 9.3-mile trail run on dirt roads and singletrack trails; with steep hills, fallen trees and stream crossings; out and back course with 1,700 feet vertical climb; $25; 9 a.m. cbmountainrunners.org
Sunday
Crag Crest Trail 10 1/2-mile run; at Island Lake Trailhead on Grand Mesa (about 15 miles north of Cedaredge); $3. 970-241-6478 or mmstriders.org
Aug. 12
Desert Championships 10K and 15K trail/desert runs; 1 1/2 miles northwest of Grand Junction airport; $2 to $3; 7 a.m. mmstriders.org or 970-241-6478
Sept. 30-Oct. 1
Third annual 24 hours of Frisco; trail runners race on the peninsula along the shores of Lake Dillon; solo, two- to four-person team or six- to eight-person team; a 6-mile loop on the trails of the Frisco Nordic Center, in Frisco. 303-635-2815 or emgcolorado.com
TRIATHLON/DUATHLON
Saturday
Iron Kids Triathlon; USAT-sanctioned; swim, bike and run, age-appropriate courses; at Durango Community Recreation Center, in Durango; all ages and abilities; $23; 9 a.m. durangogov.org
Ongoing
Surf & Turf Aquathon 2006; six-race series; series championship Sept. 6; at Chatfield State Park, Gravel Pond, in Littleton; individual race, $27; five-race series, $125 to $165; short course: 500-meter swim, 5K trail run; long course: 1,500-meter swim, 5K trail run. aquathonusa.com
2006 Dip & Dash Series; today, July 25 and Aug. 1; at Aurora and Cherry Creek reservoirs; 6 p.m. starts; $30 to $75. majrae.com
LECTURES/CLASSES
Aug. 8-9
Youth Learn GPS Camp; six hours of instruction include learning ins and outs of GPS technology in this hands-on course; for children ages 9-13; $60, includes GPS rental and ice cream buffet; Washington Park. 303-619-5252 or gpsdiscoveryadventures.com
Ongoing
Maps, Compasses and Orienteering class; a U.S. Geological Survey-hosted class; free; 1 p.m. Friday at REI Denver flagship store, 1416 Platte St. rei.com
Outdoor discussion with Altitude Adventures staff; topics include high-altitude sicknesses, trip planning and compass reading and what to do in emergency situations. altitudeadventures.com or 303-499-1100
MISCELLANEOUS
July 28-30
Mountain Lakes Yoga Retreat with The Women’s Wilderness Institute; at Snowy Range, Wyo.; $395 includes all food and equipment; no experience required. womenswilderness.org or 303-938-9191



