Calendar submissions: Send info 14 to 21 days in advance to OEcalendar@denverpost.com or send fax to 303-866-9004. Include a contact number. Items run on a space-available basis.
CLIMBING
May/June
Courses by the Colorado Mountain School. May: ski mountaineering backcountry trips. May: self-rescue courses. June: crackclimbing trip in Vedauwoo, Wyo. Other clinics include rock and ice, indoor and outdoor; all classes for various levels and techniques; locations in Boulder and Estes Park; prices vary. or 800-836-4008, ext. 3
CYCLING
Saturday; May 24
Elephant Rock training ride; at Deer Creek Canyon and Chatfield Reservoir; for beginning to intermediate recreational cyclists; $15; 10 a.m.
Sunday
12th annual Rose Hill Bike Rally; 50K and 100K cycling; family-oriented road ride in farm country near Grand Junction; fundraiser for Rose Hill Hospitality House (affiliated with St. Mary’s Hospital of Grand Junction); all ages, abilities welcome; helmet required; $20, $30.
May 10
or 719-439-9041
May 18
21st Community Classic Bike Tour; noncompetitive, multidistance bicycle tour through foothills of Larimer County in Loveland, Fort Collins; 62-mile, 37-mile, 30-mile, 10-mile and 5-mile routes; begin, end at McKee Medical Center in Loveland; $10 to $50.
Ongoing
or 303-744-2766
HIKING/BACKPACKING
Thursday
Naturalist-guided hike; 3 to 6 miles up Rabbit Mountain; South Suburban Parks and Recreation event for ages 18 and older; depart from South Platte Park (3000 W. Carson Drive) at 8 a.m., return about 4 p.m.; $22 ($19 district rate), includes or 303-347-5999
May 10
Mountain Park Wildflowers 2; guided hike with naturalist at Horsetooth Mountain Park, west of Fort Collins; $7.
970-679-4561
May 17
April Showers Bring May Flowers; walk through wildflowers at Devil’s Backbone Open Space, west of Loveland; two-hour hike, easy level; free; 8 a.m.
970-679-4561
May 18
Red Mountain Open Space Tour; all-day hiking tour through primitive area north of Fort Collins, in Larimer County’s largest open space; moderate to difficult; 8 a.m.
970-679-4561
KAYAKING/RAFTING
Ongoing
RUNNING
Sunday
Stapleton Central Park 5-mile race; walk and run; in Denver; part of the Rocky Mountain Road Runners Trophy Series; handicap system, with slower runners starting first, so everyone finishes at about the same time; $5; 8 a.m.
May 10
27th annual High Line Canal Trail run; South Suburban Parks and Recreation event; for ages 6 and older at deKoevend Park, 6301 S. University Boulevard; 10K run at 8 a.m., 5K run/walk at 9 a.m.; $20 for preregistration, $25 race day (includes T-shirt, juice, fruit, goodie bag).
303-798-7515
May 18
Walk to fight arthritis; at Redstone Park in Highlands Ranch; form a team or participate as an individual. or
May 30
Extra Mile Endurathon; in Boulder; walk as long as you can on 4-mile loop in downtown Boulder until last man or woman is standing; 10-minute mandatory stop per loop, no sleep breaks; 5 p.m.
May 31
Girls on the Run 5K; at City Park, Denver; 9 a.m.
TRAIL RUNNING
Saturday
Women’s River Trail 5K; start at the Pepsi plant on the Redlands, west of downtown Grand Junction; 9 a.m.970-257-9267
May 10
Balarat Outdoor Education Center’s 6-mile trail run and 2-mile walk; at 720-acre nature preserve in foothills close to Jamestown, northwest of Boulder; elevation between 7,500 and 8,200 feet; free barbecue, bluegrass music; 10 a.m.active.com,
or 720-424-2940
May 31
Water Tower 5-mile desert run; northwest of the airport, Grand Junction; 7:30 a.m.
970-241-6478
SAILING
Saturday, Sunday
Rocky Mountain Shootout Regatta; up to eight races for self-righting sailboats at Cherry Creek Reservoir; sponsored by Denver Sailing Association; registration 9-10 a.m., noon start; $65.
or 303-771-3271
May 7-July 2
Series of races each Wednesday for self-righting sailboats at Cherry Creek Reservoir; sponsored by Denver Sailing Association; up to two races each evening; $55; 6:20 p.m. start.
or 303-771-3271
May 8-July 3
Series of races each Thursday for nonself-righting and Santana 20 sailboats at Cherry Creek Reservoir; sponsored by Denver Sailing Association; up to two races each evening; $55; 6:20 p.m. start.
or 303-771-3271
May 17, 18
Hornblower Regatta; up to eight races for nonself-righting (centerboard) sailboats at Cherry Creek Reservoir; sponsored by Denver Sailing Association; registration 9-10 a.m., noon start; $40 before Friday, $50 after.
or 303-771-3271
SKIING/SNOWBOARDING
May 17-18
Ski mountaineering weekend; Colorado Mountain School course; $425.
800-836-4008, ext. 3 or
TRIATHLON/DUATHLON
June 7
Tuneup Sprint Triathlon; at
Westridge Recreation Center, Highlands Ranch; 500-yard indoor swim, 12-mile bike ride, 5K run; $69; 6 a.m.
Ongoing
Boulder Tri Babes; triathlon club; at RallySport Health Club; near 28th Street, between Pearl and Valmont; meet new friends who offer support every step of the way; women of all ages and abilities welcome; multiple levels of group training; $195.
LECTURES/CLASSES
Saturday
GPS Routes and Trakback; Sierra Club class for intermediate GPS owners; instruction and field practice (Boulder Open Space/Mountain Park) in setting, following routes; bring day pack with plenty of water, your GPS and manual, and snack; free; 9 a.m.720-837-0074



