Colorado Springs Cycling Club — For all ages and abilities; bikesprings.org.
Garden of the Gods Visitor and Nature Center — 1805 N. 30th St., free; 219-0104.
• Get Fit in the Garden Wellness Walk, 9 a.m. Wednesdays. Registration required.
Trails, Tails & Ales — Take your dog on a hike, 10:30 a.m., Bear Creek Regional Park East, 2002 Creek Crossing, enjoy beer at Cerberus Brewing Co. after hike, $3-$4. Registration: elpasocounty naturecenters.com.
Fountain Creek Nature Center — 320 Peppergrass Lane, Fountain. Register: 520-6745; tinyurl.com/yarxcazm.
• Nature Adventures: Heron Homecoming, for ages 3-6 with an adult, 9-10:30 a.m. Thursday, $3.
• Hawking and Owling with Fountain’s Bird Whisperer, 9-11 a.m. Saturday, $5.
Florissant Fossil Beds National Monument — Florissant, entrance fee, $10 for 16 or older; 748-3253.
• Night Sky Program, 7:30-9:30 p.m. Friday.
Two Elks Runners Club — 5:30-7 p.m. Thursdays, Thunder and Buttons, upstairs, 2415 W. Colorado Ave. Run along Midland Trail; 447-9888, email@example.com or on Facebook.
Thursday Night Run Club — 6 p.m. Thursdays, Old Chicago’s, 7115 Commerce Center Drive; 232-4656, facebook.com/ TNRCCOSprings.
Muldooniacs Running Club — 5K or 10K, Homestead Trail, meet 6 to 6:30 p.m. Wednesdays at Jose Muldoons, 5710 S. Carefree Circle; 574-5673, josemuldoons.com.
Colorado Springs Running Club — 7:30 a.m. Fridays and Saturdays, 6 p.m. Wednesdays. 45- to 60-minute runs, free; 635-3833.
Pikes Peak Road Runners — Cost and registration: pprrun.org.
• Nielson Two Mile Challenge, 8 a.m. Saturday, North Monument Valley Park.
• XTERRA, 8 a.m. Sunday, Cheyenne Mountain State Park.
• Purple Run, 9 a.m. Sunday, North Monument Valley Park.
Nature and Raptor Center of Pueblo — Volunteer docents, 5200 Nature Center Road, Pueblo. Register: 549-2414.
North Cheyenne Cañon Park — Help with outdoor education at Starsmore Visitor and Nature Center; Aaron Rogers, 385-6089, firstname.lastname@example.org.
Mueller State Park — 21045 Colorado 67, Divide, needs volunteers for naturalist programs, trail maintenance, newsletter editing or work in visitor center. Training provided; 687-2366.
Bear Creek and Fountain Creek nature centers — Help with environmental education and visitor information; Paula Megorden, 520-6387, email@example.com.
Garden of the Gods Visitor and Nature Center — Volunteer for the information desk; Bret Tennis, 219-0108.
Eleven Mile — Volunteer to help facilitate children’s craft and educational programs on Saturday mornings; Kristen, 748-3401, email firstname.lastname@example.org.
Colorado Wolf and Wildlife Center — Volunteers needed to work in the visitor center, grounds keeping, leading tours and more, 4729 Twin Rocks Road, Divide; 687-9742.
Listings are published on a space-available basis. Email information at least two weeks in advance: email@example.com.