The MBAA promotes, protects and preserves the Arizona trail experience through advocacy, education and responsible recreational and competitive mountain biking.
2021 MBAA XC Series
Please visit www.mbaa.net for full race details.
WHAT IS YOUR RACE AGE?
The age you will be on December 31, 2021.
Pick the division that matches what your race age will be.
For example: If you will be 15 on December 31, 2021 then you would register for the Beg
Men 15-16 division even if on the actual race day you are only 14.