The course map is posted here the Monday before each race.
Each race starts and finish at the junction of Leif Erikson and Wild Cherry trail, which is 1/4-mile walk up from the gate at the base of Leif Erikson and NW Thurman.
Summer race #3 is 5.6 miles

Leif to Dogwood
Left up Dogwood to Wildwood
Left on Wildwood to Birch
Right up Birch to 53rd
Left on 53rd to Holman
Left on Holman down to Wildwood
Left on Wildwood to Wild Cherry
Right down Wild Cherry to the finish