SUBMISSIONS: Send info 14 to 21 days in advance to: OEcalendar@denverpost.com or send fax to 303-866-9004 (attn: Outdoor Extremes). Include contact info. Items run on a space-available basis.
CYCLING
Aug. 28-30
Copper Cup; National Off-Road Bicycle Association and USA Cycling sanctioned series; courses include Super D, cross country and state championship short track; fees, times vary.
Sept. 12-13
33rd Pearl Pass Mountain Bike Tour; Crested Butte to Aspen via Pearl Pass.
or 970-349-6817
Ongoing
—Bike tuneups hosted by Community Cycles; Saturdays at the Boulder Farmers Market, 13th Street and Canyon; also, pick up bike maps and get cycling safety information; tuneups $20. .
—Road rides each weekend in the south Denver area hosted by the Highlands Ranch Cycling Club; intermediate to advanced; two to five hours; helmet required; free. .
—Road ride each Saturday morning led by the staff of Bicycle Pedal’r bike shops in Highlands Ranch; 20 to 30 miles; weather permitting; open to intermediate and advanced riders. .
—Road bike rides; weekday evenings and every weekend along the Front Range; 25 to 125 miles; intermediate to advanced; helmet required; hosted by the Rocky Mountain Cycling Club. .
HIKING/BACKPACKING
Sept. 8
Registration deadline for the Wilderness Trekking School, a comprehensive course on hiking in the Colorado mountains; classes start Sept. 15 at the American Mountaineering Center in Golden; $90.
. or 303-279-3080
RUNNING
Sunday
—Castle Rock Fling; 5-mile run and 5K run/walk; starting at the Douglas County Events Center; $10 for ages 10 and younger, $25 ($30 day of event) for everyone else; registration includes T-shirt, breakfast, beverages and entertainment; 8 a.m.
. or 303-903-0017
—Race4Research 5K run/walk; at Washington Park in Denver; fundraiser for brain cancer research; 8 a.m. .
Sept. 12
Spur of the Moment 5K; at the west end of Audubon Riverfront Trail system, west of Grand Junction; paved/sidewalk course; free; 8:30 a.m. Larry, 970-270-0774 or ernakay@aol.com for info
Sept. 13
Platte River Trail 8 Mile Race; part of the Rocky Mountain Road Runners Trophy Series; handicap system, with slower runners starting first, so everyone finishes at about the same time; free to members, $5 for nonmembers; start at Platte River Bar and Grill, 5995 S. Santa Fe Drive; 8 a.m. .
Oct. 3
Waterton Canyon 10-mile race; part of the Rocky Mountain Road Runners Trophy Series; 9 a.m.
.
TRIATHLON/DUATHLON
Sunday
Trek Women Triathlon Race Series; at Dick’s Sporting Goods Park in Commerce City; for women ages 14 and older; $75 (includes a ticket to a Colorado Rapids home game); 7 a.m.
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OUTDOOR EDUCATION
Ongoing
Map and compass class; with the U.S. Geological Survey; a map, compass and orienteering class at 1 p.m. the first and third Fridays monthly in the map department at the Denver REI store, 1416 Platte St.; free. 303-756-3100 or .
