More than $30,000 has been raised during the annual Ride for Dad.
More than 500 motorcycles cruised through Windsor, LaSalle, Amherstburg, Colchester, Leamington and Belle River.
The money raised supports research into prostate cancer, which is the most commonly diagnosed men's cancer, with one in seven men impacted.
Since the ride began in 2006, more than $675,000 has been raised.