ADVENTURE RACING
Sept. 8
Vail Adventure Xstream Adventure Race; in Vail; sprint or 12-hour races; mountain bike, kayak, trek and navigate; $85 to $175.
or 970-259-7771
Sept. 9
Third annual Bearable Adventure Race; at Bear Creek Lake Park in Lakewood; all ages; teams of two; four disciplines – a lake crossing, mountain biking, trail running and basic orienteering; registration limited; $100 to $120; 8:30 a.m. or 303-987-5390
CYCLING
Mountain and road
Sept. 7-9
Breckenridge Singletrack Festival; $30 for all you can ride; includes night ride under lights; Saturday and Sunday, three rides of differing lengths; event also includes bike-related games, raffle and skills clinics.
BetterRide women’s mountain bike camp; in Denver/Golden area; improve skills, gain confidence for riding or racing; $399.
Sept. 8
Ride for 65 Roses; in Boulder area; fundraiser for Cystic Fibrosis Foundation; family ride as well as 20-, 40- and 65-mile tours; 7 a.m.
Aspen/Snowmass Ride for the Cure; at Koch Park in Aspen; fundraising ride to fight breast cancer; 100-mile route; fully supported.
or 970-920-0250
HIKING/BACKPACKING
Tonight
Toads galore moonlight walk; at South Platte Park in Littleton; South Suburban Parks and Recreation Naturalist guides hikers ages 8 to adult on a moonlight adventure through a riverside forest; $5 to $9. , 303-347-5999.
Sept. 11
Wilderness Trekking School; beginning mountaineering and hiking course, includes five weekly lectures and five weekend field days; $80; 6:30 p.m., American Mountaineering Center, Golden. , or 303-279-3080
KAYAKING/RAFTING
Saturday-Monday
Colorado River Canoe Trip; from Grand Junction to Westwater, Utah; route winds through Ruby and Horsethief canyons; no experience necessary; gear provided. 970-350-9400
Sept. 5-9
Writing from the river’s edge tour; starts and ends in Grand Junction; canoeing retreat with novelist and poet Page Lambert; appropriate for writers and canoeists of all levels; course travels into Labyrinth Canyon of Utah’s Green River; $850.
RUNNING
Saturday
Octoberfest Shuffle 5K/10K at Beaver Creek Resort; noncompetitive fundraiser for Shaw Cancer Center; also raffle, auction and Oktoberfest activities; $35, children 12 and younger free; 10 a.m.
Sunday
Breck Crest Mountain Marathon, half marathon and 5-mile run; in Breckenridge; running at 9,600 feet altitude; $35-$55; 7:30 a.m.
Coal Creek Crossing 5K; at the new Louisville Community Park in Louisville; $10 to $20; 8 a.m.active.com
Monday
Aetna Park to Park 10-miler; USATF-certified course starts at Denver’s City Park, runs through Cheesman Park and Alamo Placita Park and finishes at Washington Park; 7 a.m.; $50-$55.
CU Kickoff Classic 5K; at Folsom Stadium in Boulder; includes separate kids events; $10 to $25; 8 a.m.
Colorado Run 5K and 10K; at the CSU Oval in Fort Collins; team and individual races; $22; 8:30 a.m.
Tiger Fun Run 5K; at Holy Family High School in Broomfield; 400-meter kids run for ages 8 and younger; $5 to $20; 9 a.m.
Parker Pebble 5K run/walk; at Bayou Gulch Open Space near Ponderosa High School in Parker; $10 to $25; 9 a.m.
Sept. 9
Sixth annual Kidney Walk; at Hudson Gardens in Littleton; 1 1/2-mile, noncompetitive walk for dialysis patients, organ transplant recipients, donor families, medical and business professionals and the general public.
or 720-748-9991, ext. 114
Sept. 21-22
10th annual Colorado Relay from Idaho Springs to Glenwood Springs; teams compete to race 170 miles in 24 hours; $720 to $1,050 plus $200 donation to benefit charity; registration limited to 150 teams; start times between 5 a.m. and 10 a.m.
TRAIL RUNNING
Sunday
10,000 Meters at 10,000 Feet; in Steamboat Springs; some rough terrain; open to runners and walkers; $28; 10 a.m.
Monday
American Discovery Trail Marathon, half-marathon and 5K; in Colorado Springs; starting and ending at America the Beautiful Park, course follows Monument and Fountain Creeks and is almost entirely on trails; $20 to $55; 6:30 a.m. for marathon, 7:30 a.m. for half-marathon and 7:45 a.m. for 5K.
TRIATHLON/DUATHLON
Saturday-Sunday
Newton 24 & 8 Hours of Triathlon and Duathlon; at Cherry Creek State Park in Aurora; solo and teams; repeated laps over short-course triathlon (1/2-mile swim, 11-mile bike, 3-mile run), or duathlon (11-mile bike, 3-mile run) for eight or 24 hours; entry fees start at $100; 8 a.m.
10th annual Tenderfoot Triathlon/Duathlon and Kiwanis Kids Triathlon, in Salida; 1,000-meter swim in Salida Hot Springs Pool, 25-mile bike ride on country roads and state highways, 10K on trails and dirt roads; $45-$100; kids triathlon (10:30 a.m. Sunday, $15) involves shorter distances.
MISCELLANEOUS
Sept. 6-9
Retreat for cancer survivors; course includes rock climbing, short hikes, low ropes, expressive arts and journaling; for all ability levels; need-based financial aid available; $490.
Calendar submissions
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.
