Courses & Maps

Download a detailed course map, showing both route and elevation.

PDF Half Marathon PDF 10K PDF 5K

At a top level, here's how the courses are laid out:

  • Half Marathon follows E., W. and N. Mercer Way around Mercer Island
  • 10k heads east across Mercer Island's north end, then cuts back to the west side, then back to the start
  • 5k heads east side across Mercer Island's north end, then back to the start

NOTE: There are opportunities for electrolyte replacement and energy nutrition during the Half Marathon. After the third mile marker, there will be electrolyte replacement drinks in addition to the water station. After the fifth mile marker, there will be a CLIF SHOT station in addition to the water station.

Parking and Shuttles

PDF 2012 Parking & Shuttle Map

Please keep in mind:

  • Come early to avoid delays, as all events will start on time
  • Leave at least one hour before your start time if you are taking a shuttle from a remote lot on Mercer Island
  • All Eastbound traffic from Seattle should use Island Crest Way exit to avoid delays
  • West Mercer Way exit from I-90 will be closed from 7:45 am until noon
  • Westbound traffic from the Eastside should use either E. Mercer Way or Island Crest Way exits
  • Allow 45 minutes to park and get to the starting area (in front of the Community Center)
  • Make sure to note the shuttle pickup location nearest to your car on the parking map
  • Avoid the 77th Ave. SE exit after 8:00am on March 25
  • The Community Center parking lot will be closed on March 25

Location

All events (March 25) and the Race Village (March 24-25) take place at the Mercer Island Community and Event Center. Check for signs posted at all Mercer Island I-90 exits when you arrive. The Pre-Race Expo, on Saturday, March 24, will be held in the Gym on the lower level of the Community Center.