OTT coverage of the USGPRU series continues with the 125cc Grand Prix race from Thunderhill Raceway in Willows, California. While kids like Roadracing World’s own Peter Lenz dominate the grid, there are some seasoned riders who give the youngsters a run for their parents’ money. Be sure to check out other Roadracing World feature videos. Video provided by ~http://www.OnTheThrottle.tv~ and ~http://www.YouTube.com~