The Northwest Mountain Trail Series is retired. Read about it here. Thank you to everyone who participated and supported the Series!   This trail race series consists of seven challenging […]

Series Rules Whenever you finish a Series race, you will receive points The sum of your highest four scores will determine your score for the Series Your age group for […]

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 […]

2026 Fall Series Race #1 Race #2 Race #3 Race #4 Race #5 Series Standings 2026 Summer Series Race #1 Race #2 Race #3 Race #4 Race #5 Series Standings […]

The Portland Trail Series is a super-cool, low-key series of trail running races held in Forest Park in Portland. Three, five-race Series (Spring, Summer and Fall) are held Wednesday evenings […]

2014 10K/20K/30K results 2014 Photos 2013 10K results can be found here.  

Thank you to those who ran, volunteered and supported the Dog Mountain 10K/20K/30K the last couple of years. We are no longer producing this event. You can find the other […]

2023 50K Results 25K Results Photos by Full Send Media (credit @fullsendmedia_) 2022 25K Results 50K Results Photos by Somer Kreisman (credit @somerrunner or Somer Kreisman) 2021 25K Results Mountain […]