The Jack snowmobile races will be Friday and Saturday, Jan. 19-20, on Clear Lake.
The ninth annual Jack Helgren Memorial Race, also known as "The Jack," is a memorial to Jack Helgren, area businessman, avid snowmobiler, snowmobile dealer/racer and promoter of the sport in the area.
There will be races for all ages.
Friday night includes pre-registration at Rumorz Bar, followed by a cruise around the lake.
2018 Iowa Lemans Championship on Saturday begins with registration and practice. Opening ceremonies and parade lap are at 9 a.m., followed by radar runs, Lemans racing, Kitty Kat and 120 Racing from Clear Lake State Park.
There will also be a vintage show all day.
The awards ceremony is at 7 p.m. Saturday at the Best Western in Clear Lake, with music by the Split Second Band.
For information, visit www.thejackrace.com.