- Motocross fans head through a tunnel as pro motocross rider Chance Hymas (10) sails overhead during a 250 class qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. Hymas won the first 250cc Moto. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)
![Pro motocross rider Zane Klemz (333) comes off the track...]()
Pro motocross rider Zane Klemz (333) comes off the track covered in mud after a class 450 practice session before the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Riders kick up dirt at the start of the 450...]()
Riders kick up dirt at the start of the 450 class Moto #1 at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Fans get a good look of the track during a...]()
Fans get a good look of the track during a 250 class qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross rider Jett Lawrence (18), center, leads the pack...]()
Pro motocross rider Jett Lawrence (18), center, leads the pack up the hill at the start of the 450 class Moto #1 at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. Lawrence went on to win both Moto #1 and #2, securing the overall 450cc victory. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross riders Kai Aiello (310) and Thomas Ralston (758)...]()
Pro motocross riders Kai Aiello (310) and Thomas Ralston (758) navigate the track during a timed class 250cc qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![A crew member for pro motocross rider Chance Hymas (10)...]()
A crew member for pro motocross rider Chance Hymas (10) power washes the bike after a practice session during the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross rider Hunter Lawrence (96) sends it over a...]()
Pro motocross rider Hunter Lawrence (96) sends it over a jump during the 450 class Moto #1 at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Motocross tires at the ready during a practice session at...]()
Motocross tires at the ready during a practice session at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro 450cc motocross rider Aaron Plessinger, left, signs an autograph...]()
Pro 450cc motocross rider Aaron Plessinger, left, signs an autograph on Amie Vanclute’s hat at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross rider Jett Lawrence (18) launches off the finish...]()
Pro motocross rider Jett Lawrence (18) launches off the finish line jump during the 450 class Moto #1 at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. Lawrence went on to win both Moto #1 and #2, securing the overall 450cc victory. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross rider Jett Lawrence (18) handles the track during...]()
Pro motocross rider Jett Lawrence (18) handles the track during the 450 class Moto #1 at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. Lawrence went on to win both Moto #1 and #2, securing the overall 450cc victory. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Young photographer, Russell Harrell, takes pictures in the pit area...]()
Young photographer, Russell Harrell, takes pictures in the pit area during the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross rider Cole Timboe (443) heads the the ruts...]()
Pro motocross rider Cole Timboe (443) heads the the ruts during a 250cc qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Mechanic Chase McDonald powers washes the dirt off of pro...]()
Mechanic Chase McDonald powers washes the dirt off of pro motocross rider Dalton Venter’s (451) bike at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Moose keeps his eyes on the action in the pits...]()
Moose keeps his eyes on the action in the pits during the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross riders Eli Tomac (3) and Aaron Plessinger (7)...]()
Pro motocross riders Eli Tomac (3) and Aaron Plessinger (7) compete during a timed class 450cc qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)![Pro motocross riders Max Vohland (92) and Casey Cochran (40)...]()
Pro motocross riders Max Vohland (92) and Casey Cochran (40) take a jump during a timed class 250cc qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)
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Motocross fans head through a tunnel as pro motocross rider Chance Hymas (10) sails overhead during a 250 class qualifier at the Thunder Valley National at the Thunder Valley Motocross Park in Lakewood, Colorado, on Saturday, June 7, 2025. Hymas won the first 250cc Moto. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)
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By Andy Cross | across@denverpost.com | The Denver Post
PUBLISHED:
Spectators and riders flocked to Thunder Valley Motocross Park in Lakewood, Colorado, for the 21st Thunder Valley National on Saturday, June 7, 2025. The Thunder Valley National is the third race in the 2025 AMA Pro Motocross Championship schedule. (Photo by Andy Cross/The Denver Post)
