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.
ADVENTURE RACING
Saturday
East West/Beaver Creek Vertical Ascent Challenge; a six-hour lapped trail-running race; ascend the singletrack Overlook Trail and ride the chairlift down, repeat as often as possible in six hours; at Beaver Creek Mountain, base of Centennial Lift, in Beaver Creek; individual, two-person team and four-person team; $25 to $100; 3-mile ascent; male, female and coed; 8 a.m. beavercreek.snow.com
Sept. 8-9
Ninth annual Outward Bound Relay; Idaho Springs to Glenwood Springs; a 24-hour, 170-mile team relay race; across three mountain passes; teams of 10 runners; casual and competitive runners. outwardboundrelay.com
Sept. 9
Vail AdventureXstream Adventure Race; sprint and 12-hour courses; mountain biking (12 to 18 miles), kayaking (5 to 8 miles), trail running (4 to 6 miles) and navigation; $75 to $175. gravityplay.com
CLIMBING
Sunday; Sept. 10
Divas rock out: women-specific class for beginners; in Boulder area; covers basics of climbing; 8 a.m. to 3 p.m.; $149. outdoordivas.com
Sept. 12, 19 and 26
Climbing Classes; for first-time or novice climbers with an introduction to basic sport climbing procedures, terminology, technique and the proper use of equipment; at Denver REI store. www.rei.com
Sept. 16
Divas send: women-specific outdoor climbing technique class; for those who know how to belay and are ready to tackle roofs, slabs or want to improve performance over rock; gear included; 8 a.m. to 3 p.m.; $149. outdoordivas.com
Sept. 23
Introduction to tree climbing; by South Suburban Parks and Recreation; ages 7 to adult; $19 to $29; certified instructor; noon to 3:30 p.m. sspr.org or 303-730-1022
Sept. 24-25
Babes Rock! clinics; in Summit County; for beginner and intermediate climbers; $350. babesinthebackcountry.com
CYCLING
Mountain and road
Saturday
Gateway Canyons Grand Valley Classic Road Race; at Gateway Canyons Resort in Gateway; juniors and pros; 30, 47 and 85 miles; $35. gatewaycanyonsbikerace.com
Sunday
Gateway Canyons Grand Valley Classic Criterium; a .95-mile course; $25. gatewaycanyonsbikerace.com
Sept. 9-10
The Kona 24-Hour Global Series bike race; in Snow Mountain Ranch; men and women, solo, duo and team; 2 p.m.; $230 to $490. sleeplessinthesaddleusa.com
Sept. 10
TIAA-CREF Buffalo Bicycle Classic; Boulder area; 13-, 35-, 50-, 72- and 100-mile courses; fully supported; $60-$85. buffalobicycleclassic.com or 303-735-1569
Sept. 13, 14
Mountain Biking Basics; discussion about gear, clothing, safety, and places to ride; also basic skills such as balancing, climbing, descending, cornering, braking and getting past obstacles; Sept. 13 at Boulder and Lakewood REI stores; Sept. 14 at Colorado Springs, Denver, Englewood and Fort Collins REI stores; 7 p.m. rei.com
Sept. 16
13th Tour of the Vineyards; 25-mile bike tour of Western Slope vineyards, in conjunction with the 15th anniversary Colorado Mountain Winefest; in Palisade. 303-635-2815 or emgcolorado.com
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
DISC GOLF
Saturday
Adventure Ridge Disc Golf Tournament; in Vail; two rounds, field limited to 72. Rwhite@vailresorts.com
Sept. 8-10
Third Snow Mountain Challenge; in Fraser at the YMCA Snow Mountain Ranch; PDGA sanctioned deeppdrskee@hotmail.com
HIKING/BACKPACKING
Sunday
Sierra Club Paiute Peak climb; strenuous hike to 13,088 feet on the Continental Divide; 8 miles round trip, 2,700-foot elevation gain; free; limited to eight hikers. 720-837-0074 or bill.campbell@rmc.sierraclub.org.
Sept. 9
21st annual Pikes Peak Challenge; hike Pikes Peak; at Barr Trail, in Manitou Springs; $35. pikespeakchallenge.com
Sept. 20
Adult nature hike; by South Suburban Parks and Recreation; a naturalist- guided 3- to 5-mile round-trip hike on the Colorado Trail in the Kenosha Pass area; ages 18 to adult; $15 to $19; 8 a.m. to 4 p.m. sspr.org or 303-730-1022
RUNNING
Saturday
Mountain Run; 2, 12, and 22 miles; starting in downtown Creede; 22-mile run goes to top of Continental Divide and back; 9 a.m. 719-658-2925
Sunday
Coal Creek Crossing 5K run; in Louisville; $10 to $25; 8 a.m. 720-566-6067
Monday
jazz89 KUVO Labor Day Jazz Jaunt; 5K run, race walk and walk; at Washington Park, in Denver; $15 to $30; 8 a.m. pcmsecureevents.com/kuvorace
CU Kick Off Classic 5K; also a kids’ run; at Folsom Field, in Boulder; $10 to $15; 8 a.m. boulderroadrunners.org
Parker Pebble; 4-mile run and kids fun run; at Bayou Gulch Open Space in Parker; $10 to $25; 9 a.m. parkerpebble.com
Sept. 6
Class Challenge 5K; a cross country race on grass, dirt trails, bike path and a moderate hill; 6 p.m. eclecticedgeracing.com
Chamber Challenge 5K; at Metro North Chamber of Commerce, in Westminster; solo $25, team $100; 6:30 p.m. metronorthchamber.com
Sept. 9
Spur of the Moment 5K; at Legion Park on Grand Junction Riverfront Trail; 8:30 a.m. 970-243-3721 or 970-640-2746
Sept. 10
13th annual El Grito 5K Run and Walk; at Buckhorn Exchange, in Denver; $16; 9 a.m. 720-840-8127
Golden Demon Dribble Dash 5K; loop course; at Golden High School; 8 a.m. slubkeman@mheco.com
Sept. 19
Georgetown Classic 5K; at Georgetown Lake; cross country course on dirt trails with water crossings; at 8,500 feet in elevation; 6 p.m. eclecticedgeracing.com
Sept. 22-24
Learn to Racewalk; learn technique used at U.S. Olympic Training Center; led by U.S. National champion Dave McGovern. racewalking.org, darla@sigmaxi.org or 303-399-1491
Oct. 15
The Denver Marathon; also a half-marathon or four-person marathon relay; $85 to $105. denvermarathon.com
TRAIL RUNNING
Sunday
22nd annual 10,000 Meters at 10,000 Feet Run; on Rabbit Ears Pass, singletrack and mountain roads; a challenging trail run, with rough terrain; for runners and walkers; 10 a.m. 970-879-0371
Monday
American Discovery Trail Marathon, Half-Marathon and 5K; course follows Monument and Fountain creeks on mostly trails; at America the Beautiful Park in Colorado Springs; also the RRCA Western Regional Trail Championship for 2006; $15 to $50; 6:30 a.m. www.adtmarathon.com
Sept. 9
12th annual Kremmling Roadkill Trail Races; trail half-marathon and 10K; rolling single- and double-track terrain, with one major hill climb; walkers welcome on the 10K; at Kremmling Town Square, between Silverthorne and Steamboat Springs; 9:30 a.m. kremmlingchamber.com or 877-573-4302
Sept. 30
Salomon Six; 6-mile race kicks off Salomon 24 Hours of Frisco Weekend; 8:30 a.m., Frisco. 303-635-2815 or emgcolorado.com
Sept. 30-Oct. 1
Third annual 24 Hours of Frisco; 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; Nordic Center, in Frisco. 303-635-2815 or emgcolorado.com
TRIATHLON/DUATHLON
Saturday-Sunday
Ninth annual Tenderfoot Duathlon/Triathlon and Kiwanis Kids’ Triathlon; in Salida; 1K swim in the Salida Hot Springs pool, 25-mile bike ride on country roads and state highways, and 10K run out and back on trails, dirt roads and hills; also shorter courses for younger age groups; solo $12 to $50, and team $100. tenderfoottriathlon.com
Sept. 6
Surf & Turf Aquathon 2006; finale of six-race series; at Chatfield State Park, Gravel Pond, in Littleton; $27; short course: 500-meter swim, 5K trail run; long course: 1,500-meter swim, 5K trail run. aquathonusa.com
Sept. 9-10
24 Hours of Triathlon; short course, solo and team relay triathlon; swim, bike, then run, repeated for 24 hours; in Boulder. 24hoursoftriathlon.com/pro_for_a_day.htm
LECTURES/CLASSES
Today
Women’s Backcountry Medicine; in Boulder; learn how to recognize, treat and prevent everything from matters of inconvenience to true backcountry emergencies; free, 7 p.m. 303-449-3482 or outdoordivas.com
Friday; Sept. 15
Maps, Compasses & Orienteering class; by the U.S. Geological Survey and the Outdoor Recreation Information Center; free; at Denver REI store. rei.com
MISCELLANEOUS
Sept. 5-9
Grace and Grit Canoe for Women Over 45 with The Women’s Wilderness Institute; in Green River, Utah; $750, includes all food and equipment. womenswilderness.org or 303-938-9191
Sept. 5-Oct. 9; Oct. 9-Nov. 10
Outdoor Fitness Boot Camp; programs in Boulder, Broomfield and Superior; five weeks (16 Monday/Wednesday/Friday classes), hours vary for programs; challenging and wacky exercise-driven class series combining fun, teamwork and friendly competition; for all fitness levels; $175 to $245. fitliv.com
Sept. 9
Adopt-a-Crag Service Project; at Castlewood Canyon State Park; just south of Franktown; 3 p.m. voutdoors.org, jfox@rei.com or 303-858-1726



