“Keeks & Kokes #MudRun,” Kim, 33,captioned a pic of the girls with pink bandanas covering half of their faces ahead of the main event.
“We Mud Run This Town,” she added.
Khloe, 29, shared an action shot of the two siblings sliding down into a huge pool of dirt.
KIM KARDISHAN VIA INSTAGRAM
The glimpse of the gals’ muddy sneakers is a far cry from the designer stilettos they are usually spotted in strutting around Hollywood
According to the Survivor Mud Run Website, a 5K race that took place in Northern California Saturday entailed “20 tough obstacles” and tested the “ability to run, climb, jump and crawl.”