Utah

The biggest indoor dirt bike series in the world: seventeen Saturday nights in NFL stadiums from Anaheim in January to the Salt Lake City finale in May. The 250SX class splits into East and West regions that meet only at the Showdown.

The biggest amateur race in the world, and the one every American pro has ridden. Six days at Loretta Lynn's Ranch in Tennessee, 1,500+ riders across 36 classes, all of whom earned their spot through a nationwide qualifying process.

Utah regional amateur motocross series; 2026 is a rebrand and statewide expansion of the previous Carbon Emery MX series (which was based around Price, southeastern Utah) to add venues across the state.

17-round 2026 regional amateur motocross points series run by High Plains Motocross Association Inc., a Wyoming club. Six of the 17 rounds are in Wyoming (FCRA Motoplex/Riverton x4, Powder Basin Motocross/Gillette x2 plus the Sept 19 championship doubleheader, BoomTown MX/Casper x1, Sweetwater Events Complex/Rock Springs x2); the rest are in Vernal UT, Billings MT, and Alliance NE.

Six-round Grand Prix-style series run by Grassroots Promotions/Grassroots MX (same promoter as the sibling motocross-only RMX Series) across Arizona, Idaho and Utah, presented by title sponsor MSR and Rocky Mountain ATV/MC. Each round combines the host venue's full motocross track with 4-6 miles of prepped off-road course. Rounds 1-3 are the regular season; Rounds 3-6 are double-points 'Playoff' rounds, with Round 3 (Sat) and Round 4 (Sun) forming the back-to-back 'Dynamite Grand Prix' doubleheader weekend at Cache Valley MX. Round 1/6's promoted 'Mesquite, NV' branding sits directly on the AZ/NV line; the venue's street address is in Littlefield, AZ. It is a self-contained 6-round points championship with its own results/points table (resultsmx.com) and AMA #1 series plates. Some listings print a different 'Round N' on these same events, counting through Grassroots MX's whole combined Western calendar (Moto86 Series, RMX Series, Grassroots Off-Road, Loretta Lynn area qualifiers and standalone signature races like the AMA Thanksgiving Classic all together); those numbers are not this series' round order.

Regional 8-round AMA-featured amateur/pro motocross championship series run by Grassroots Promotions/Grassroots MX across Nevada/Arizona, Utah, Idaho and Wyoming, presented by title sponsor Rocky Mountain ATV/MC. State-championship rounds are folded into the schedule for Wyoming, Idaho and Utah. Round 1's promoted 'Mesquite, NV' branding sits directly on the AZ/NV line. Its published street address (970 E Peppermill Palms Blvd) is in Littlefield, AZ. The series also runs a season-ending, non-points 'Celebration of Champions' awards event, with no date set yet.