The Fond du Lac County Sheriff’s Office says a car vs. bike accident over the weekend is a reminder that motorists need be alert especially with a couple of major bicycle races in Fond du Lac over the next couple of months. Forty seven year old Steven Kuphal is in serious but stable condition at Theda Clark Regional Medical Center in Neenah after colliding with a car at the intersection of Highway WH and Lakeview Road Saturday. "The gentleman was wearing a helmet, he flew into the vehicle and then over the vehicle and suffered some pretty serious injuries," Sheriff's Captain Rick Olig said. Olig says the incident is a reminder for automobile drivers to always be alert for bicycles on city streets or county roads. The Tour of America’s Dairyland bike race is coming to downtown Fond du Lac Friday with the Commonwealth Classic Tour. The Race the Lake bicycle race around Lake Winnebago Will be held on Sunday August 18th.