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10,000 runners + 16 obstacles = big muddy mess
Crews Friday were helping make sure it would be nice and muddy this weekend at DellOsso Farms. - photo by HIME ROMERO

• WHAT: Survivor Mud Challenge
• WHERE: Dell’Osso Family Farms, Manthey Road and Interstate 5, Lathrop
• WHEN: Today & Sunday at 9 a.m.
• INFO: Entries are closed with 10,000 pre-registrants. Spectators are welcome although there is a $10 charge for parking. There also will be a beer garden, vendors, entertainment and food
• MORE INFO: Go to

LATHROP — It’s billed as a challenge but it is really one big muddy day of fun.

Some 10,000 competitors plus an estimated 3,000 spectators are invading Dell’Osso Farms today and Sunday for the Northern California Survivor Mud Run.

Organizers were  busy Friday putting in place the 16 “extreme” obstacles on land that every October is home to a 20-acre corn maze.  There are 5,000 participants today and another 5,000 on Sunday. Waves of 300 participants start competing at 9 a.m. each day with new groups starting every 15 minutes to cover the 3.47-mile course.

Mother Nature is cooperating with the high today expected to hit 88 degrees while the top temperature on Sunday should reach 87 degrees.

Most of the competitors are descending on Lathrop from the Bay Area and the Sacramento region. Many don’t run to compete against strangers as they do to see if they can handle the challenge as well as have fun with friends.

Competitors are all at least 14 years of age.

The day is also a festival of sorts with a beer garden, vendors, food booths, entertainment, and other activities. There is no charge as a spectator although there is a $10 parking charge

For more information go to