Lost Trail Half Marathon

Granite Bay, United States • 20 Feb 2027

Lost Trail 5K & Half Marathon

The Lost Trail event takes place at Granite Beach, Folsom Lake State Recreation Area, and offers two trail distances. The courses are described as well marked and provide scenic lake views and areas with wildflowers. Organizers provide multiple aid stations along the half marathon route.

Race offerings:

  • 13.1 miles
  • 3.1 miles

There are five aid stations located at miles 2.2, 4.2, 6.2, 10 and 11.5. Listening devices such as MP3 players, iPods and headphones are allowed, but runners are asked to exercise caution when crossing roads and to pay attention on trails. Race packets are available at the race site on race day.

Finisher medals and custom soft-cotton race shirts are part of the event details; shirts may be pre-ordered before the race for $20, and finisher medals are noted for 2027. Awards include overall champion awards for first place male and female in each race, plus awards three-deep in each ten-year age group. In the 5K, athletes under 19 are split into two age groups: 14 and under, and 15-19.

TBF Racing maintains a no-refund policy; requests prior to race week are issued a race credit minus a $25 processing fee. Transfers to another TBF Racing event are allowed within one year for a $25 transfer fee. Events are held rain or shine. Visit the organization's website for the most recent information.

Race information

13 mi
Lost Trail Half Marathon
3 mi
Lost Trail 5k
Visit the organization's website for the most recent information.
Trail runs nearby

A 10 km trail run on the Olmsted Loop Trail in Cool, California on June 6, 2026. The route follows rolling hills beside the American River Canyon and includes a staffed aid station near mile 3.

The Cool Summer Night Run will take place in Cool on Saturday 6 June 2026. You can run 10 kilometers.

Trail races of 5K and 10K along wetlands, oak bluffs and historic rock-dredge terrain on the north shore of Lake Natoma. Entry fees vary by date and proceeds benefit the Rachel Anne Gray Memorial Scholarship.

Trail run on June 6, 2026 at Lake Natoma in Fair Oaks offering 5K, 10K and a kids run for under 10 years old. Routes pass wetlands, oak woodlands and single track; proceeds support the Rachel Anne Gray Memorial Scholarship.

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