Ken Roczen y Jett Lawrence se han llevado el triunfo en un nuevo sábado del AMA Pro Motocross, esta vez en Thunder Valley.
Antonio Cairoli ha vuelto ha conseguir un Top 5 gracias a ser quinto en la primera manga y cuarto en la segunda.
Estos son los mejores momentos de las carreras:
Resultados 450cc Thunder Valley:
| 1 | Ken Roczen | Mattstedt, Germany | 2 – 1 | Honda CRF450R |
| 2 | Eli Tomac | Cortez, CO | 1 – 3 | Yamaha YZ450F |
| 3 | Chase Sexton | La Moille, IL | 4 – 2 | Honda CRF450R |
| 4 | Jason Anderson | Edgewood, NM | 3 – 6 | KAW KX450SR |
| 5 | Antonio Cairoli | Patti, Sicily, Italy | 5 – 4 | KTM 450 SX-F |
| 6 | Ryan Dungey | Belle Plaine, MN | 7 – 7 | KTM 450 SX-F |
| 7 | Justin Barcia | Monroe, NY | 6 – 8 | GasGas MC 450F |
| 8 | Shane McElrath | Canton, NC | 12 – 5 | Husqvarna FC 450 |
| 9 | Joey Savatgy | Thomasville, GA | 8 – 9 | KAW KX450SR |
| 10 | Garrett Marchbanks | Coalville, UT | 9 – 11 | Yamaha YZ450F |
| 11 | Aaron Plessinger | Hamilton, OH | 11 – 10 | KTM 450 SX-F |
| 12 | Christian Craig | El Cajon, CA | 10 – 12 | Yamaha YZ450F |
| 13 | Marshal Weltin | Ubly, MI | 15 – 13 | GasGas MC 450F |
| 14 | Brandon Hartranft | Brick, NJ | 14 – 14 | Suzuki RM-Z450 |
| 15 | Henry Miller | Rochester, MN | 17 – 15 | KTM 450 SX-F |
Resultados 250cc Thunder Valley:
| 1 | Jett Lawrence | Landsborough, Queensland, Australia | 2 – 2 | Honda CRF250R |
| 2 | Hunter Lawrence | Landsborough, Queensland, Australia | 4 – 1 | Honda CRF250R |
| 3 | Levi Kitchen | Washougal, WA | 1 – 5 | Yamaha YZ250F |
| 4 | Justin Cooper | Cold Spring Harbor, NY | 3 – 3 | Yamaha YZ250F |
| 5 | Jo Shimoda | Suzuka City, Mie Prefecture, Japan | 7 – 6 | Kawasaki KX250F |
| 6 | Stilez Robertson | Bakersfield, CA | 6 – 7 | Husqvarna FC 250 |
| 7 | Michael Mosiman | Sebastopol, CA | 13 – 4 | GasGas MC 250F |
| 8 | Matthew LeBlanc | Breayx Bridge, LA | 10 – 9 | Yamaha YZ250F |
| 9 | Seth Hammaker | Bainbridge, PA | 5 – 15 | Kawasaki KX250F |
| 10 | Nick Romano | Bayside, NY | 9 – 13 | Yamaha YZ250F |
| 11 | Pierce Brown | Sandy, UT | 11 – 12 | GasGas MC 250F |
| 12 | Derek Kelley | Riverside, CA | 14 – 10 | KTM 250 SX-F |
| 13 | Joshua Varize | Rialto, CA | 12 – 14 | Husqvarna FC 250 |
| 14 | Josiah Natzke | New Zealand | 17 – 11 | Kawasaki KX250F |
| 15 | Max Vohland | Sacramento, CA | DNS – 8 | KTM 250 SX-F |
