Lost Trail Half Marathon & 5K Run/Walk

Lost Trail 5K & Half Marathon Trail Runs

The Lost Trail 5K and Half Marathon have beautiful and very well-marked courses on single track trails along the shoreline of Folsom Lake with many scenic views. Both races have well stocked friendly aid stations and custom Finisher items. Back in 2024: Lost Trail Finisher Medals! 

The Lost Trail Half Marathon & 5K

Granite Beach, Folsom Lake SRA

The Lost Trail 5K and Half Marathon have very well-marked courses that offer scenic lake views with lots of beautiful wildflowers in between the aid stations. 

Back in 2024: Lost Trail Finisher Medals! Custom Lost Trail soft-cotton race shirts are available for pre-order sale before the race for $15. 

First place Overall Male and Female in The Lost Trail 5K & Half Marathon will receive Overall Champion Awards. There will be awards three deep in each ten-year age group for The Lost Trail Half Marathon and the 5K Run.  

Packets available at the race site from 6:30 am to 8 am.

Race Day Schedule

7:00 Registration/Packet Pick up opens

7:00 Race announcements begin

8:00 Start of the Lost Trail Half Marathon

8:05 Start of the Lost Trail 5K

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.

Find out about our RACE for FREE Volunteer program by emailing: [email protected].

Race fees increase on race day.