The Velodrome sat dormant until 2010 when the Mower Gang, a group of self-motivated stalwarts of Detroit's forgotten parks, rediscovered it. Group leaders Andy Didorosi and Ben Wojdyla saw the track's potential. They got to work, countering two decades of decay with trash bags, lawn mowers, and quick-dry cement. They repaired the track and organized an inaugural event in late 2010 to bring two-wheeled racing back to the Motor City. Thus was born Thunderdrome. By 2013, it had morphed into a two-day annual event. Alongside the bicycles, for which the track was originally built, mopeds, scooters, mini-bikes, go-carts, and motards joined the fray. On the last weekend of summer, Thunderdrome gathers disparate participants on small-bore machines to chase grass roots racing glory.