Oshkosh, WI — (May 29, 2015) – The first round of a big triple header weekend for the Bumper to Bumper IRA Outlaw Sprint Series has fallen to weather as tonight’s opening round at the popular Oshkosh SpeedZone was rained out. IRA is full speed ahead with a better forecast for Saturday’s show at Cedar Lake and Sunday’s at Angell Park. IRA returns to Oshkosh on July 24th.