We're sorry but AMA Racing Results Center doesn't work properly without JavaScript enabled. Please enable it to continue.
AMA Home
>
Racing Results Center
> Motocross > 2025 >
D23/NORTHSTAR MX SERIES
> +50 C
+50 C Results
D23/NORTHSTAR MX SERIES
Sunday, August 24, 2025
+25 A
+25 B
+25 C
+35 A
+35 B
+35 C
+45 A
+45 B
+50 A
+50 B
+50 C
+55 A
+55 B/C
+60
+65
+70
16-24 A
16-24 B
16-24 C
50cc 4-6 premix
50cc 7-8 premix
50cc Girls 4-8
50cc multi-speed
50cc oil 4-8
50cc Open 4-8
50cc Shift/Shaft 4-6
65cc 7-9
65cc 7-11
65cc 10-11
65cc Beginner
85cc 9-11
85cc 9-12
85cc 12-15
122-150cc 12+
250 A
250 B
250 C
Electric 4-6
Electric 7-8
Girls Jr. 9-12
Girls Sr. 12-16
Open A
Open B
Open C
Schoolboy 1 12-17
Schoolboy 2 12-17
Sr. (+40) A
Sr. (+40) B
Supermini
Vet (+30) A
Vet (+30) B
Vet (+30) C
Women
Racer
Moto 1
Moto 2
Moto 3
Overall Finish
Advancement Points
Joe Petron
1
1
0
1
PHILLIP FREY
4
2
0
2
ANDY KIRCHER
3
3
0
3
JEFF SPENCE
2
4
0
4
Motocross
Advancement Classes
+25 A
+25 B
+25 C
+35 A
+35 B
+35 C
+45 A
+45 B
+50 A
+50 B
+50 C
+55 B/C
+60
+65
+70
16-24 A
16-24 B
16-24 C
85cc 12-15
122-150cc 12+
250 A
250 B
250 C
Open A
Open B
Open C
Schoolboy 1 12-17
Schoolboy 2 12-17
Sr. (+40) A
Sr. (+40) B
Supermini
Vet (+30) A
Vet (+30) B
Vet (+30) C
Non-Advancement Classes
+55 A
50cc 4-6 premix
50cc 7-8 premix
50cc Girls 4-8
50cc multi-speed
50cc oil 4-8
50cc Open 4-8
50cc Shift/Shaft 4-6
65cc 7-9
65cc 7-11
65cc 10-11
65cc Beginner
85cc 9-11
85cc 9-12
Electric 4-6
Electric 7-8
Girls Jr. 9-12
Girls Sr. 12-16
Women