The Fox US Open of Mountain Biking will return to Big Bear Lake, CA this September 23-26, 2021. Along with the rest of the global mountain bike community, usopenmtb can’t wait to get back to racing and good times! With that, the event remains positioned to make any necessary adjustments to ensure the safety of fans and athletes. See you at the start gate! #FoxUSOpenMTB ❤️🏁