Horseshoe Lake

Race Information


Skyline Ridge Open Space Preserve, Palo Alto, CA. The preserve's entrance is located one mile south of the intersection of Skyline Boulevard (Highway 35) and Page Mill Road.

  • Date:
  • Time:
  • Events:
  • Sunday, May 6, 2018
  • 8:00 a.m.
  • 50 KM Marathon 30 Km Half Marathon 5 mi (8:15 a.m.)


The course is within the Skyline Ridge, Long Ridge, and Russian Ridge Open Space Preserves. The majority of the course is along the Bay Area Ridge Trail with spectacular views of the Pacific Ocean and Santa Cruz Mountains.
(Distances are accurately measured using a RolatapeĀ® surveyor's measuring wheel.)

Driving Directions

Google Map (21198 Skyline Blvd., Los Gatos, CA 95033)

iPhone Map (22246 Skyline Blvd., La Honda, 94020 Note: Christmas Tree Farm is just south of park entrance)


Palo Alto



Bib Number & Shirt Pick-Up

Saturday, May 5, 1.30 p.m. - 4.30 p.m. at ZombieRunner Store in Palo Alto.
Address: ZombieRunner, 429 S California Ave, Palo Alto, CA 94306-1832

Sunday, May 6, 7:00 a.m. - 7:45 a.m. at Skyline Ridge Open Space Preserve

Time Limit

There is a 9-hour time limit for all distances.

Aid Stations

Fully-stocked aid stations every 4 - 5 miles. You can expect fresh fruit, salty snacks, assorted candy, water, and electrolyte sports drink. It is highly recommended that runners carry at least 20 oz. of water between aid stations.


T-shirts will be given to all pre-registered runners. Award medals are given to the 1st female and male finishers overall and top three finishers in each age group. All finishers will receive a custom medal and 50 Km finishers will also receive a custom coaster.

UltraSignup Forum and Facebook Group

The Horseshoe Lake UltraSignup Forum is for information about this event. Please post messages regarding places to eat or stay, sharing rides with fellow runners, etc. Go to Forum (opens in a new window).

The Friends of Coastal closed group is for information about Coastal events. Please post messages regarding places to eat or stay, sharing rides with fellow runners, etc. Go to our Facebook Page (opens in a new window) to join the group.