https://portlandstreetcar.org/news/2026-09-30/portland-marathon-hits-the-streets-sunday-october-4.html
Portland Marathon Closes Streets Sunday, October 4
The Portland Marathon will take to the streets the morning of Sunday, October 4, with some streetcar impacts.
portland marathonclosesstreetssundayoctober
https://www.endurancesportswire.com/portland-marathon-to-debut-the-quantum-fiber-10k-at-2024-event/
Portland Marathon to Debut the Quantum Fiber 10K at 2024 Event
Sep 20, 2024 - The 6.2-mile race will become a part of the annual event for the first time ever
portland marathonquantum fiberdebutevent
https://lauranorrisrunning.com/2015-portland-marathon-race-recap/
2015 Portland Marathon Race Recap - Blog
May 16, 2022 - 2015 Portland Marathon Race Recap from This Runner's Recipes: read about this beautiful race, fast course, and well-organized event.
portland marathonracerecapblog
https://strideforstride.net/races/portland-marathon-2023
Portland Marathon (2023)
portland marathon
https://portlandartmuseum.org/event/scream-marathon/
Scream Marathon! - Portland Art Museum
Sep 9, 2025 - See full details at tomorrowtheater.org.
portland art museumscreammarathon
https://cascadiaclassics.com/home/2023/7/18/1969-checker-marathon
1969 Checker Marathon — Cascadia Classic - Portland Oregon
checker marathonportland oregoncascadiaclassic