Celebrating its 11th season, the SCOTT Cougar Mountain Trail Run Series returns in May with a new format that includes more opportunities to race through the park.

The series kicks off May 11 with a choice of 5 or 10 mile runs. 8 and 13 mile races are set for June 8, races of 10 and 20 miles are set for July 13, and races of 13 and 25 miles are scheduled for Aug. 10.

New this year is the addition of 5K runs to the race lineups on July 13 and Aug. 10.  Produced by Northwest Trail Runs and the Seattle Running Club, the race series not only introduces hundreds of people to Cougar Mountain’s 36 miles of fantastic trails, but it also benefits King County Parks, with more than $111,000 raised during the past decade.

For more information and to pre-register online at http://www.seattlerunningclub.org/CMTRS.