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
Salomon Summit Adventure; triathlon with canoe, bike and run; in Frisco; registration fee includes hard body canoe, PFD and paddles for lake portion; solo, two-person and three-person coed and relay; $145 to $390. emgcolorado.com
Sunday
Bearable Adventure Race; at Bear Creek Lake Park in Lakewood; teams of two; orienteering, lake crossing, mountain trail bike, trail run; $75 to $105; 8 a.m. thebearable.com
CLIMBING
Today and Sept. 26
Climbing classes; for first-time or novice climbers with an introduction to basic sport climbing procedures, terminology, technique and equipment; at Denver REI store. rei.com
Saturday
Introduction to tree climbing; learn with arborist ropes and harnesses, without damaging the tree; youth to adult; with a certified instructor; by South Suburban Parks and Recreation; ages 7 to adult; at South Platte Park; $19 to $29; noon to 3:30 p.m. sspr.org or 303-347-5999
Sunday-Monday
Babes Rock! clinics; in Summit County; for beginner and intermediate climbers; $350. babesinthebackcountry.com
CYCLING
Mountain and road
Saturday
Bike with Pike Century Ride; from John Martin Reservoir State Park in Hasty to Pueblo; follows the footsteps of explorer Zebulon Pike; a 100-mile ride; followed by a chile and frijoles festival; $55 solo, $40 per relay-team rider; 7 a.m. frontierpathways.org
YouthZone Uphill Challenge; bike, hike or run a 5K to the top of Iron Mountain; $15 to $60; at Glenwood Caverns Adventure Park, in Glenwood Springs; 8:30 a.m. 970-379-1365
19th Summit Fat Tire Society Poker Ride; in Breckenridge; a noncompetitive mountain bike of 12 or 23 miles; draw cards along the way to create your best hand; $20. sfts.us
Saturday-Sunday
Fall Classic MTB Stage Race; in Breckenridge; Stage 1: Breckenridge Nordic Center Circuit race, a 1.85-mile loop; Stage 2: Carter Park Hillclimb, up the Carter Park Switchbacks, the Moonstone Trail, and the Barney Ford Trail, finish at the Sallie Barber Mine; Stage 3: the Fall Classic XC, 23 to 38 miles; $75; 3 p.m. mavsports.com
HIKING/BACKPACKING
Today
Wilderness Trekking School – Colorado Mountain Club’s beginner hiking school; teaches the basics of mountaineering and hiking; includes five weekly lectures and five weekend field days; $80, 7 p.m.; at the American Mountaineering Center, in Golden. wts.cmcschools.org or 303-279-3080
Wednesday
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 and older; $15 to $19; 8 a.m. to 4 p.m. sspr.org or 303-730-1022
Saturday
Navajo Peak Scramble; strenuous hike to the summit of Navajo Peak, a thirteener on Colorado Divide; Class III scrambling; route via Lake Isabel, Niwot Ridge and Airplane Gully; free; 7 a.m. to 3 p.m.; bring lunch, 10 essentials, camera. 720-837-0074 or bill.campbell@rmc.sierraclub.org
RUNNING
Today
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
Friday-Sunday
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
Light the Night Walk; Friday at Roosevelt Park in Longmont and Saturday at the Central Park Band Shell in Boulder; also in Denver at Washington Park on Sept. 28; 7 p.m. lightthenight.org
Saturday
Hope With Every Step; at Chatfield State Park in Littleton; a 5K course on paved and dirt trails; 8 a.m. atcp.org
St. Peter’s 5K Run/Walk; in Monument; along the Santa Fe Trail; pancake breakfast follows; $20; 8 a.m. petertherock.org/modules/wpages
YouthZone Uphill Challenge; bike, hike or run a 5K to the top of Iron Mountain; $15 to $60; at Glenwood Caverns Adventure Park, in Glenwood Springs; 8:30 a.m. 970-379-1365
Team Hope: Walking for Huntington’s Disease; 3K walk; solo $25, four-person team $100; 9 a.m. hdsarockymountain.org
Regis University Physical Therapy Fun Run/Walk; in Denver; $18 to $33; 10 a.m. 303-458-4340
Josh and Gus’ Run for a Reason; 5K run and 2K walk; at Clement Park in Littleton; $20 to $25, kids free; 10 a.m.joshandgus.com or 303-932-9686
Sunday
21st annual Steamboat Pilot and Today Run for Literacy; 5K run, 5K racewalk, 7-mile run and Kinderhaus Tot Trot; coincides with the Steamboat Springs Fall Foliage Festival and local brewfest; 9:30 a.m. runningseries.com
Kidney Walk; a 1.5-mile walk; at Hudson Gardens, in Littleton; 10 a.m. kidneycimw.org
2006 Hot To Trot; 5K run, 2-mile fun walk and 1K kiddie run; at Gold Dust Saloon in Pueblo; $20 to $25, kids free; 7:45 a.m. socorunners.org
Pilot Run for Literacy; 10K and 5K; on-road/off-road course; gain about 1,000 feet; in Steamboat Springs; $25; 9:30 a.m. runningseries.com
GoLite Boulder Backroads Marathon and Half Marathon; at Boulder Reservoir in Boulder; a USATF-sanctioned and certified race; on mostly soft-packed dirt roads; marathon: $75 to $85; half marathon $65 to $75; 7 a.m. boulderbackroads.com
Sept. 30
Whole Foods Whole Fun Ride and Run; teams of two share one bike, running and biking, picking up as many stuffed animals as possible along the way; $60 per team; at the Boulder Reservoir in Boulder; 9 a.m. 5430sports.com or 303-442-0041
Oct. 14
Band on the Run 2-mile run/walk; at Shenandoah Community Clubhouse; benefits the Smoky Hill High School marching band; $10 to $15; 9 a.m. 303-877-4211
Sunday-Oct. 15
Cross country four-part workshop; for high school athletes; achieve peak performance at major races by mastering the fear factor of competition; presented by former USA national cross country champion; $295. ricrojasrunning.com
TRAIL RUNNING
Saturday
Cub Creek Crossover; 7.5-mile trail race; starts and finishes at Cub Creek Trailhead on Black Mountain Road between Evergreen and Conifer; 1,100 feet in elevation gain; rocky terrain on singletrack trails; $25 to $29; 9 a.m. eclecticedgeracing.com
Mary’s Loop 8.5-mile trail run; in Loma, 16 miles west of Grand Junction; 8:30 a.m. 970-261-5630
Golden Leaf Half Marathon; a 13.3-mile half-marathon trail run; from Snowmass Village to Aspen; $35 to $45; 8:30 a.m. utemountaineer.com
Mary’s Loop; an 8.5-mile trail run; in Grand Junction; 8:30 a.m. mmstriders.org
Sunday
Animas Mountain Mug Run; trail run; 6.6-mile course and 1-mile fun run, walk or hike; at Animas Mountain Trailhead in Durango; for casual and serious runners; $12; 10 a.m. durangogov.org
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; Salomon Six 6-mile race Sept. 30 kicks off the weekend, 8:30 a.m.; Nordic Center, in Frisco. 303-635-2815 or emgcolorado.com
TRIATHLON/DUATHLON
Sunday
High Altitude Duathlon; in Leadville; solo $45, team of two $60; team of three $75; 9 a.m. highaltitudesports.com
LECTURES/CLASSES
Sunday
Learn GPS Family Camp; teach the basics of GPS usage; ages 7 and older; $60 per family includes rental of GPS receiver and three hours of instruction/exercises by GPS Discovery Adventures; 1-4 p.m.; other class dates Oct. 8, 14 and 28. gpsdiscoveryadventures.com or 303-619-5252
MISCELLANEOUS
Sept. 30
South Platte River Sweep; at Fishback Landing Park in Denver; a free luncheon follows the event at Fishback Landing Park on Water Street; part of National Public Lands Day; 8 a.m. to noon. greenwayfoundation.org
