All-level 25-45-mile rides. 7 a.m. Sponsored by Ladera Cyclery, 25662 Crown Valley Parkway, Mission Viejo.(949) 429-7784.
Recumbent 12-mile ride. 8 a.m. Currently 10-20 rider group, all ages welcome. Sponsored by Richard's Cyclery, 1943 Valley View, Garden Grove. (714)379-2717.
Advanced ride of 30 miles at 18-20 m.p.h. Sponsored by Kings Pro Shop, 11190 PCH, Seal Beach. Reservations and information: (562) 598-9322.
Mountain bike rides. 11 a.m. Sponsored by Sea Schwinn/ Two Wheels One Planet 17th St., Newport Beach. Reservations and information: (949) 646-7717.
Easy-paced mountain bike ride: 10 a.m. Easy 5-7-mile ride through historic Weir Canyon, home to rolling hills, extensive oak woodlands and perennial grasslands. The trail is part of the historic trail route that oxen teams traveled in the 1800's en route to San Juan Capistrano. Weir is also habitat for several raptors and to sandstone formations that support a healthy population of colorful lichen. Information and reservations: The Nature Conservancy's field office, (714) 832-7478 or firstname.lastname@example.org