Lost Valley 12K & 4M


May 23, 2020 at 8:00 AM

Lost Valley 12K & 4M

7295 MO-94

St Charles MO, 63304


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Entry Fee $45
(Lowest or Early Registration)

Entry Fee 2 $55
(Highest or Late Registration)

Prize Money: no


  • 12K
  • 4M

Series: Weldon Spring Trail Series

Type: Trail

Starting Elevation: 649

High Point: 684

Percent of the course on un-paved trails: 100%

First Year of the Event: 2020


The 12k course will start at the Department of Energy Site, run down the Hamburg Trail, turn right to connect to the Lost Valley Trail, head straight up the fire road and run the trail counter-clockwise, then return to the Hamburg Trail to finish at the DOE site. Water stations will be at 1.5, 4.5, and 6.5 miles.


No photos available.


Past Event Dates

Held on May 23, 2020

Held on May 25, 2019

Event Results

View 2019 Results