Loading Events

« All Events

  • This event has passed.

Mare Island Half Marathon, 10K and 5K-Postponed

June 28 @ 8:00 am PDT

This event is postponed and is being combined with the Vallejo Waterfront Half Marathon, 10K & 5K, on October 3, 2020

We are so excited to host another running event on beautiful Mare Island! All finishers 21yrs and up will receive a FREE BEER thanks to our major sponsor the MARE ISLAND BREWING COMPANY! We will have a Half Marathon, 10K and 5K courses taking you through natural and historic sections of the island. We will be starting from the Mare Island Brewing Company coal shed location, running through over 100 years of Naval history and natural beauty, with a finish line party at the Mare Island Brew Co Coal Sheds!

Our Half Marathon course will take you through the historic naval yard along the east side of the island, to the highest point of Mare Island for beautiful views of the Bay, Mt. Diablo, and Mt. Tamalpais. It will then run you down by the Old Admiral housing including St Peter’s Chapel (with the largest collection of Tiffany stainied glass in the West!) and out to the sweeping views of the Mare Island portion of the San Pablo Bay trail on the western side of the island.

The 10K will take you by the Old Admiral housing and the San Pablo Bay Trail before heading to the finish.

The 5K race will run by the Old Admiral housing before heading to the finish.

All participants will receive a tech shirt and finishers medal. Awards will be available for Male and Female of every category. We expect to have categories of <20, 20-29, 30-39, 40-49, 50-59, 60+

Shirt sizes will only be guaranteed for registrations prior to June 1st. Any registrations after that will be on a first come first serve on the sizes that are ordered. This event may sell out and day of registration is not guarenteed. Refunds will also not be given

Event details and schedule

Course Info:

The run will be through the historic Mare Island Naval Shipyard. This does include abandon railroad tracks and uneven surfaces. Parts of the run through the San Pablo Bay Trail are unpaved but its is a compacted gravel path. Course subject to change for safety reasons if deemed necessary.

Water Stations:

Half Marathon: 2.5M, 5M, 6.3M, 8M, 9.8M

Arrival Info:

The breezeway which will be where Check-in is held will be in the doors below the large floor to ceiling window in between the wood paneling. There is also a picture to the right with course maps which is taken from the street.

Please arrive with plenty of time before your event start time. As much as we want to be able to predict everything that will happen, all we know is that we are going to hold our race.

Parking Info:

Parking is available at the location above or overflow is available in the parking lot across Nimitz Ave.

Online Registration


June 28
8:00 am
Event Categories:
, ,


Mare Island Half
851 Waterfront Ave
Vallejo, CA 94592 United States
+ Google Map