The course will consist of an 11-mile stretch on the paved Lovell Canyon Road. Jessica will run four loops on the 11-mile stretch four times for a total of 88 miles and finish the remaining 12 miles on a short 6-mile out-and-back along the same road.
The event begins at 7am (PST) Saturday morning. Jessica will have 32 hours to complete the ultra-marathon.
As part of the event, Jessica will be running in support of the Fisher House Foundation. Fisher House provides support to wounded service members and their families.
You can follow her progress throughout the day on the blog site or via Twitter.