Portland Trail Series
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About the race
The Portland Trail Series is a low-key series of evening trail running races held in Forest Park in Portland. The organizer runs three separate five-race Series—Spring, Summer, and Fall—between April and October, with races scheduled every other week.
Each race uses a different course on forest trails and covers about 4 to 7 miles. Participants who complete at least four races in a Series are included in the overall Series standings and may earn prizes from event sponsors. One course each Series may be designated a Mystery Route: the distance is announced in advance but the specific trails are not revealed, and courses are marked on race day.
Series registration fees are tiered: $90 during the first two weeks and $100 thereafter until sold out. Single race drop-in registration is available for $25 cash at the race. Registration terms state there are no transfers and no refunds; cancellations more than 30 days before a race receive a 50 percent credit toward a future race, and cancellations 30 days or less before a race receive no credit. Registration fees do not include third-party processing fees.
Maps for each route are posted the Monday before a race. The event benefits the Forest Park Conservancy and concludes with a post-Series gathering at Lucky Lab Beer Hall where awards and a raffle are presented. Parking is free on city streets and a public Google spreadsheet is provided for carpool coordination. The races are running events, not walking events. The organizer acknowledges the traditional homelands of the Cowlitz, Clackamas, Atfalai, and Kalapuya Tribes. Visit the organization's website for the most recent information.
