This week 

Polar Bear Swim, Gainesville. Lanier Canoe and Kayak Club. Jumpers will get chili and a T-shirt. 2 p.m. Friday, Lake Lanier Olympic Venue, 3105 Clarks Bridge Road, Gainesville. $25. 770-287-7888.

Bike ride, Cumming. Moderate, more than 30 miles. Chicken City Cyclists. 10 a.m. Saturday, leaves from Concord Church, 6905 Concord Road, Cumming. unnoldl@charter.net.

Upcoming

Bike ride, Gainesville. Hilly, more than 30 miles. Chicken City Cyclists. 10 a.m. Jan. 9, leaves from Bolling Mill Park, Cool Springs Road, Gainesville. unnoldl@charter.net.

Bike ride, Lula. More than 35 miles to Cornelia. Lunch at Gusben's Downtown Restaurant. Chicken City Cyclists. 10 a.m. Jan. 16, leaves from Living Missions Methodist Church, Belton Bridge Road, Lula. unnoldl@charter.net.

Ongoing

ISI Cycling ride, Gainesville. Three group rides with varying speeds and distances. No ride if in rain or temperature less than 38 degrees. 7:30 a.m. Saturdays, Corinth Baptist Church, 3590 Thompson Bridge Road, Gainesville. Free. 678-231-0417.

ISI Cycling ride, Gainesville. Pace restricted. 17-mile ride, 7:30 a.m. Sundays, Corinth Baptist Church, 3590 Thompson Bridge Road, Gainesville; 35 mile ride. No ride in rain or temperature less than 38 degrees. 1 p.m. Sundays, Kroger Shopping Center, 3630 Thompson Bridge Road, Gainesville. 678-231-0417.