ADVENTURE RACING
Saturday
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
Sunday
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
Sept. 27-30
Moab Xstream Expedition Adventure Race; in Moab; three-day, midlength expedition adventure race; cash prizes; mountain bike, kayak, trek and navigate; $395. or 970-259-7771
CYCLING
Mountain and road
Friday-Sunday
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.
Saturday
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
Saturday-Sunday
Beaver Meadows Mountain Bike Festival; at Red Feather Lakes; shorttrack, cross country and downhill courses; starts at 8 a.m. Saturday.
Sunday
TIAA-CREF Buffalo Bicycle Classic; 100-mile century, 70-mile, 50-mile, 35-mile and 14-mile races; through Boulder and Larimer counties; start and finish at the University of Colorado in Boulder; all abilities, ages 10 and older; $60-$85; 7 a.m. 303-735-1569 or
Sept. 14-16
BetterRide Mountain Bike Camp; in Fruita; improve skills; gain confidence; with licensed USA Cycling expert coach; $399.
Sept. 15
14th annual US Bank Tour of the Vineyards; in Palisade; 25-mile ride through the vineyards of the Western Slope (paved roads); $35.
Sept. 15-16
31st annual Pearl Pass Mountain Bike Tour; from Crested Butte to Aspen on Pearl Pass; honors the origins of mountain biking in Crested Butte.
or 970-349-6817
Oredigger MTB Challenge; at SolVista Resort in Granby; includes XC, STXC and downhill events; $20; 8 a.m.
HIKING/BACKPACKING
Sunday
Geology Tour with geologist Sylvie Fadrhon; meet at Telluride Fitness Center; hands-on field trip explores the geology of the San Juan Mountains, covers volcanism through to glacial and mining history; free; 8:30 a.m.
or 970-708-7736.
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
Sept. 15
Fourth annual Hike for Youth; at Golden Gate State Park; hike-a-thon benefits environmentally focused youth agencies. or 303-433-1206, ext. 24
Oct. 4-7
Introduction to Backpacking (canyons); near Grand Junction; the Women’s Wilderness Institute offers a course covering backpacking basics during a trip to Utah’s slickrock canyons; $495.
303-938-9191 or .
RUNNING
Saturday
Golden Gallop; 5K run/walk, 10K run and kids 1K fun run; in Golden; $24 to $27; 8 a.m. .
James Cooper Memorial Run; at Chatfield State Park in Littleton; USATF-certified 5K; $20; 9 a.m. 303-901-5521
Sunday
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
Credit Union Harvest Run 5K; in Broomfield; 8 a.m. .
Fourth annual DDRC Harvest Festival Run; at North JeffCo Park in Arvada; 3-mile and USATF-certified 5-mile races; $20 to $50; 8 a.m.
303-462-6593 or .
Neder-Nederland 5K/10K; in Nederland; $15 to $30; 9 a.m.
.-Nederland or 303-956-2891
AIDS Run Colorado; at Cheesman Park in Denver; USATF-certified 5K; $35; 9 a.m. .
Sept. 15
5K ThunderStorm and Kids Fun Run; in Colorado Springs; $12 to $20; 8:30 a.m.
.
Third annual Robert’s Race; at North Monument Valley Park in Colorado Springs; 5K run/walk, includes kids fun run; $25; 9 a.m. .
Autumn Color Run; in Buena Vista; 5K, 10K and half-marathon; $10 to $25; 9 a.m. .
Sept. 16
14th annual El Grito 5K run and walk; at the Buckhorn Exchange Restaurant in Denver; $16, 9 a.m. 720-840-8127.
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. .
Nov. 10
Mesa State 37K RimRock Run; gate to gate through the Colorado National Monument, outside Grand Junction; 8 a.m.
. or 970-243-4055
TRAIL RUNNING
Saturday
Road Kill Half Marathon and 5-miler; starts at the Kremmling Town Square; run up cliffs, near Muddy Creek, on singletrack and doubletrack trails near Kremmling; 9 a.m.
. or 1-877-573-7926
Sept. 15
Rattlesnake Ramble Trail Race; Eldorado Canyon State Park in Eldorado Springs; dirt course, 850 feet of climbing; $30; registration limited; 8:30 a.m.
.
Mary’s Loop trail runs; in Loma; 8- and 16-mile courses on Kokopelli Trail, singletrack terrain; $25 to $40.
.
Sept. 16
Cañya Cañon 6K Family Hike and Trail Race; in Colorado Springs; course covers Columbine Trail from Starsmore Discovery Center to Helen Hunt Falls; $20 to $40; 9 a.m.
. or 719-385-6086
Sept. 22
Second annual Salomon Six; in Frisco; 6-mile race over nordic trails and and singletrack along the shores of Lake Dillon; $23 to $28; 8:30 a.m. 303-635-2815 or .
Sept. 22-23
Fourth annual Salomon 24 Hours of Frisco; team relay or solo trail run on 6-mile loop along the shores of Lake Dillon. $55 to $620. 303-635-2815 or
.
TRIATHLON/DUATHLON
Sunday
Fall Frenzy triathlon/duathlon; at Parker Recreation Center; triathlon is 500-yard pool swim, 13-mile bike and 3-mile run; duathlon is 3-mile run, 13-mile bike and 3-mile run; registration limited; 7 a.m.
.
Sept. 15
Tri for Your Cause; at Boulder Reservoir; includes duathlon and 5K run/walk; $40 to $85. .
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.
