The Trail Builder Time Trial Series is an annual series hosted at a variety of trail systems offering different terrain and challenges while racing against the clock.

All proceeds benefit the SORBA Mid-TN Trail Fund.


  • Cat1/2 Expert Men

  • Cat3 Beginner Men

  • Cat1/2 Expert Women

  • Cat 3 Beginner Women

  • Single Speed Open

  • Masters Open 40+

  • JuniorGirls

  • JuniorBoys

Fees and Registration

  • $30 Online Pre-Reg by 6PM CST Saturday before each race.

  • $40 Onsite Day of Registration–opens at Noon

  • $75 Full Series Online

  • $90 full series sign-up onsite

  • $5 Juniors race fee for the full series

All payout, prizes, and awards will be given out at the May 20th race Series Finale onsite. Awards will be given to every racer that completes all three races!

TBRA MTB TT Points for all TBRA categories, all 3 races. 

USAC license required or one day licenses available for $10 

Reg. includes $3.75 per rider USAC Insurance fee 

Reg. includes $2.00 per rider TBRA fee 

Held under USA Cycling Permit 2018-1392

PHONE # 615 557-3385