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RMRA MX Series
Sunday, August 31, 2025
MR Race Promotions LLC
www.mrracepromotions.com
Sterling, CO
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Motocross
Advancement Classes
2-Stroke B/C 14+
25+ A
25+ B/C
125cc B/C 12+
250 A
250 B
250 C
450 A
450 B
450 C
Collegeboy B/C 18-24 yrs
Non-Pro B
Open Pro A
Schoolboy 1 12-17 yrs
Schoolboy 2 12-17 yrs
Senior 40+ A
Senior 40+ B
Senior 40+ C
Sr Mini 85cc 12-15 yrs
Super Senior 50+
Supermini 12-16 yrs
Vet 30+ A
Vet 30+ B
Vet 30+ C
Non-Advancement Classes
65cc 7-9 yrs
65cc 10-11 yrs
65cc Open 7-11 yrs
Girls Jr 9-11 yrs
Girls Sr 12-16 yrs
Jr Mini 85cc 9-11 yrs
Micro Jr Limited 4-6 yrs
Micro Open Limited 4-8 yrs
Micro Shaft Drive Limited 4-8
Micro Sr Limited 7-8 yrs
Mini E-Bike Limited 4-8
Open Mini 85cc 9-12 yrs
Women 12+ C
Women 14+ A
Women 14+ B
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