See photos from Round 4 of the 2013 AMA Pro Road Racing season in the 2013 AMA Pro Racing Mid-Ohio photo gallery.
- Hayes (1) ran out to a commanding lead in SuperBike Race 2, but a five second jump start penalty cost him the win in adjusted time.
- Steve Rapp (5) took his third consecutive Vance & Hines Harley-Davidson Series race win at Mid-Ohio.
- Cameron Beaubier swept the AMA Pro GoPro Daytona SportBike races at Mid-Ohio.
- Jake Lewis (85) staying ahead of James Rispoli (43) in SportBike Race 1 at Mid-Ohio.
- Cameron Beaubier (6) faced pressure from Jake Gagne (32) in SportBike Race 1, but held steady in the lead for his fifth win of the season.
- Garrett Gerloff (8), Dane Westby (5) and Jake Lewis (85) battling for fourth-place at Mid-Ohio in SportBike Race 1.
- JD Beach (95) didn't give Beaubier (6) any room in SportBike Race 2, finishing six-tenths of a second behind the points leader.
- Beaubier (6) pushed through the pack from fourth to gain the SportBike Race 2 lead.
- Hayden Gillim went 2-1 at Mid-Ohio in Motorcycle-Superstore.com SuperSport.
- David Estok (123), Shane Narbonne (46), Barrett Long (2), and Adam Raffe (44) in XR1200 action at Mid-Ohio.
- Josh Herrin (2) stole the lead briefly from his teammate, Josh Hayes, in SuperBike Race 1, but Hayes was quick to answer back.
- Geoff May (99) took fifth in SuperBike Race 1 at Mid-Ohio, followed by his teammate, Aaron Yates (20) in sixth and Chris Fillmore (11) in seventh.
- Josh Hayes (1) took the front early in AMA Pro SuperBike Race 1 at Mid-Ohio, eventually finishing with his fifth consecutive win of the season.
- Chris Clark (6), Dustin Dominguez (68), Taylor Knapp (44), Ryan Kerr (28) and Danny Kelsey (34) in SuperBike Race 2 at Mid-Ohio.
- Josh Hayes (1), Josh Herrin (2) and Roger Hayden (54) held close in the lead pack during the initial laps of Race 2, but Hayden ended up running off track briefly mid-race and falling back to ninth.
- Tomas Puerta (12) celebrates his Motorcycle-Superstore.com SuperSport Race 1 win at Mid-Ohio.
- In SuperSport Race 2, Hayden Gillim (69) pushed hard for his first win of the season.