Roger Penske has been involved with IndyCar racing since 1968, when his team first fielded a stock block-powered Eagle with Mark Donohue. The organization first competed at Indianapolis in 1969, and within three years had become the team to beat, winning the race with Donohue in 1972. In 1978, Penske along with Pat Patrick, Dan Gurney, and several other team owners who had been participating in USAC events involving cars known as Champ Cars and IndyCars formed Championship Auto Racing Teams (CART). As of June 27, 2018, Penske Racing has won the Indianapolis 500 17 times, won the Indianapolis 500 pole position 17 times, as well as 200 open wheel IndyCar wins in USAC, CART and IRL (as of May 19, 2018), 29 of which are in 500-Mile Races and 13 open wheel championships. Penske Racing has 1,463 starts in IndyCar races, 231 pole positions, 71 wins from pole, 47 double wins of which 8 are 1–2–3 finishes from the Pocono race on June 26, 1977, to January 1, 2015.