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
Ongoing
—Road rides each weekend in the south Denver area hosted by the Highlands Ranch Cycling Club; intermediate to advanced; 2 to 5 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.
RUNNING
Today
Cross country 5K; at Addenbrooke Park, 700 S. Kipling Parkway in Lakewood; $25; 5:30 p.m.
or 303-477-2236
Saturday
—Waterton Canyon 10-Mile; part of the Rocky Mountain Road Runners Trophy Series; 9 a.m.
—Glenwood Canyon Shuffle Race for Literacy; half-marathon and 5K on scenic bike path, Glenwood Springs; $15 to $25.
or 970-876-0768
Oct. 10
Band on the Run 2-mile run and walk; park at Smoky Hill High School in the southwest lot; $18 for adults, $12 for students; 9 a.m. 303-877-4211
Oct. 25
U.S. Marine Corps Memorial 5K fun run and walk; at Jefferson County Courthouse in Golden; participants receive T-Shirt and dog tags; $25; 9 a.m.
Nov. 8
Westminster City Park 9-mile race; part of the Rocky Mountain Road Runners Trophy Series; 9 a.m.
TRIATHLON
Ongoing
Boulder Tri Babes; 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.
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
