_ 2021 The Dirty Duathlon:

The Dirty Duathlon

The Dirty Duathlon is an off-road race with a 2 mile trail run - 6 mile single track mountain bike - 2 mile trail run course at beautiful Granite Beach, Folsom Lake SRA.  

The Dirty Duathlon

Granite Beach, Folsom Lake SRA

The Dirty Duathlon is an off-road Duathlon with a run-bike-run course that has scenic trails to run on, and a fun mountain bike course almost entirely on single track trails. Included for each athlete is a TBF Racing beanie, athlete goody bag, and hot post race meal. 

Distances - 2 mile run-6 mile mountain bike-2 mile run

Both runs are the same course, on trails with packed decomposed granite, soft sand, and maybe some mud. There will be an aid station at 1 mile.

The bike course is a combination of single track on hills and rolling flats. Aid stations will be located in the transition area and at mile one on the run course, serving cold water, Hammer Gel Shots, and FLUID Electrolyte beverage.

Awards are for 1st through 3rd place in each age group/category for the Dirty Duathlon for men and women, and 1st overall for each Relay Team Divisions.

Relay Teams

Relay Teams consist of one cyclist and one runner. Entry fee includes two race shirts, goody bags and post race meals. Awards will be first overall in Male, Female and Coed divisions for the Dirty Duathlon.

Packet Pick Up Information

Race packets will be available race morning from 7 am to 10 am at the race site.

Commemorative Dirty Duathlon race t-shirts are available for pre-order for $15. Shirts must be ordered by January 20, 2020 and will be availble on race morning. 

Event Schedule:

8:00 Registration/Packet Pick up opens

9:30 Race announcements begin

10:00 a.m. Start of Dirty Duathlon 

Refund and Transfer Information

TBF Racing has a No Refund policy on all of our events. A Refund requested prior to race week will be given a TBF Race credit for the amount of the entry fee minus a $25 processing fee. Credits are not given during race week. Transfers are allowed from one TBF Racing event to another within a one-year time frame. There is a $25 transfer fee. Transfers are not allowed during race week. ALL TBF Racing events are held Rain or Shine.