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.
CLIMBING
Today; Oct. 24 and 31
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. rei.com
Oct. 28-29
Basic tree climbing certification; learn the safe way to climb solo, including tree selection, rope handling, knots and more; ages 13 to adult; at South Platte Park; $345 to $450; 9 a.m. to 5:30 p.m. sspr.org or 303-347-5999
CYCLING
Mountain and road
Oct. 27-31
Canyonlands Mountain Bike Expedition with The Women’s Wilderness Institute; at Canyonlands
National Park, Utah; $675, includes food and camping equipment. www.womenswilderness.org or 303-938-9191
Oct. 28
The 50/50 Race and Chet Peach BBQ; 50 miles of singletrack through Grand Valley, then 50 miles of road biking; pits mountain bike skills against road bike fitness; start at the Tabiguache trailhead, in Grand Junction; solo $50, two-person $80, four-person $150. otesports.com
HIKING/BACKPACKING
Saturday
Centennial Cone Hike; moderate hike to Centennial Cone, near Clear Creek Canyon, west of Golden; 5 miles round trip; 1,100 feet elevation gain; 8 a.m. to 1 p.m.; free. 720-837-0074 or bill.campbell@rmc.sierraclub.org
RUNNING
Saturday
Living with MS 5K Run, Walk or Roll; a certified 5K course around Johnson Reservoir; accommodates wheelchairs; also over a shorter path; at Clement Park in Littleton; $15 to $25, kids free; 9:30 a.m. mscenter.org
Habitat Home Run 5K Run/Walk; in Fort Collins; $20; 9 a.m. 970-481-2613 or active.com
America’s Walk for Diabetes and 5K Run to Conquer Diabetes; at City of Cuernavaca Park in Denver; $25; 9 a.m. walk.diabetes.org
Sunday
Girl Scout 5K and 1K run/walk and Fitness Fair; at Washington Park in Denver; 9 a.m. 303-778-8774 or gsmhc.org
Run for RMSEL; 5K run/walk, a 1-mile family fun run/walk and a cocoa dash for kids; adults $15, families $40; at Cook Park in Denver; 9 a.m. rmsel.org
Van Arsdale Victory Race; 5K run/walk and 1K children’s fun run; at Van Arsdale elementary school in Arvada; $15 to $25; 9 a.m. racemeasure.com/vanarsdale
Oct. 27
Seventh annual Scream Scram 5K and 100-Meter Spooky Sneak; and nordic walking; at Washington Park in Denver; runners, walkers and dogs welcome; costumes encouraged; $15 to $27; 5 p.m. screamagency.com
Oct. 28
Third Denver Gorilla Run 5K; at Wynkoop Brewing Company in Denver; benefits the Mountain Gorilla Conservation Fund; 11 a.m.; $45 to $150. denvergorillarun.com
24th annual Eerie Erie; 10K and 5K; at Erie Middle High School in Erie; $18 to $23; 9:30 a.m. optimistcluboferie.org
Oct. 29
Halloween Hustle 5K and 1/4-Mile Monster Dash; at Washington Park in Denver; $12 to $23; 9 a.m. bkbltd.com
Nov. 4
Harbert Lumber Fall Festival 5K; at the Grand Junction Botanical Gardens; benefit for “Girls on the Run;” $15; 9 a.m. 970-257-9267
Nov. 11
Breckenridge Ale House Rim Rock Run; 22.5 miles (37K) gate-to-gate through the Colorado National Monument; also a prerace pasta banquet Nov. 10 at Mesa State College with featured speaker Susan Williams, a bronze medalist in the Athens Olympics triathlon; 8 a.m. rimrockrun.org
2006 Crossfest; 8K, 5K and 3K; all ages; at Chatfield State Park; all courses are dirt trails, grass, bike path and have various obstacles to jump; $25 to $29; 9 a.m. eclecticedgeracing.com
TRAIL RUNNING
Oct. 28
Matchett Park Cross Country 5K (1K for kids); at Matchett Park in Grand Junction; course on farm roads and desert arroyo trails; 8:45 a.m. 970-254-FUNN
LECTURES/CLASSES
Oct. 28
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. gpsdiscoveryadventures.com 303-619-5252
Thursday; Oct. 26
AQX Intelligent Training Deep Water Running Clinics; by Ric Rojas; clinics using specialized water running shoe; at the Elks Lodge swimming pool, in Boulder; $8 to $10; 6-7 p.m. ricrojasrunning.com



