Didero is possibly best known for his success in the Supermodified division at Oswego Speedway, where he and car owner Skip Matczak won two dozen features on his way to three consecutive Track Championships in 1994, 1995 and 1996, capped by wins in the 1996 International Classic.
Oswego Speedway Supermodified class track champions have included multi-time champs Nolan Swift (eight times, 1953–71), Bentley Warren (seven times, 1983–93), Jim Shampine (seven times, 1967–79), Greg Furlong (four times, 2000–07), Eddie Bellinger, Sr. (three times, 1957–60), and Doug Didero (three times, 1994–96).
Doug Flutie | Doug | Doug Liman | Doug Sahm | Doug E. Fresh | Doug Williams | Doug Naylor | Doug Church | Doug Williams (wrestler) | Doug Varone | Doug Scott | Doug Henning | Doug Ellis | Doug McIntyre | Doug MacLeod | Doug Gilmour | Doug Ford, Jr. | Doug Dennison | Doug Carlston | Doug Benson | Doug Allen | Doug Aitken | Doug TenNapel | Doug Moench | Doug Lea | Doug Henwood | Doug Gray | Doug Favell | Doug Drexler | Doug Armstrong |