Crystal Lake’s Fall Biathlon takes place at 8 a.m. Sunday with a 5K run, 30K bike ride and 5K run. Call 815-459-0680.
HIKING
The Forest Trails Hiking Club sponsors a 12-miler at Latham Peak State Park near Milwaukee at 9:30 a.m. Sunday. It covers forest, kettle, prairie and hill terrain. Call Edith Reyns, 708-447-7757.
ORIENTEERING
The Chicago Area Orienteering Club sponsors a Saturday-Sunday competition at Palos Forest Preserve in Palos Hills. Call 708-397-1809.
RUNNING
Saturday’s runs include the America’s 1 Challenge ’94: Walk Against Violence 5K and walk at 8:30 a.m. at Montrose Avenue and the lakefront, benefitting the Boys and Girls Club of Chicago. Call 312-868-3010; the Oak Forest Harvest Run 5K and 10K at 9 a.m. Call Cindy Henery, 708-687-7270; and the Run for Health 5K and 10K at 9 a.m. in Lombard. Call Robb Twaddell, 708-268-6578.
On Sunday, Run for the Health of It’s 10K earns CARA race points at 9 a.m. in Highland Park 9 a.m. Call Ken Roffee, 312-463-5070; the Frank Lloyd Wright Run 10K and 5K, plus walk, at 8:45 a.m. in Oak Park. Call Gregory Evans, 708-383-0002; and the Mini-marathon half-marathon and 5K at 9 a.m. in Calumet City. Call 708-862-6440.
The Riis Park Striders offer 9 a.m. Saturday cross-country runs at Riis Park, 6200 W. Fullerton. Call Chris Precht, 312-262-2154, evenings.
TEAM HANDBALL
Olympic-style team handball is played Friday nights at the Chicago Armory. Call Sal, 708-647-7639.
VOLLEYBALL
Private indoor lessons, covering basic skills and strategy, are available at the Lakeshore Athletic Club-Lincoln Park. Call 312-477-9888, ext. 136.
