The middle of September brings another strong weekend of racing as fall starts to settle in across Oregon. The calendar offers a great mix of distances and experiences, from road races and community events to big-mileage marathons and challenging trail adventures.
| Race Name | Date | Location | Distances | Registration Links |
|---|---|---|---|---|
| Portland Trail Series – Fall | September 16, 2026 | Portland, OR | 6M, 4M trail run | More Information |
| Beaverton Half Marathon | September 19, 2026 | Beaverton, OR | Half Marathon, 10K, 5K | More Information |
| Crystal Creek Run | September 19, 2026 | Eddyville, OR | Half Marathon, 10K, 5K | More Information |
| Mountain Lakes 100 | September 19, 2026 | Olallie Lake, OR | 100M trail run | More Information |
| Northwest Series – Day 1 OR | September 19, 2026 | Hermiston, OR | Marathon, Half Marathon, 10K, 5K | More Information |
| Oregon Brewery Running Series – Ferment | September 19, 2026 | Hood River, OR | 5K | More Information |
| Pacific Northwest Marathon | September 19, 2026 | Harrisburg, OR | Marathon, Half Marathon, 10K, 5K | More Information |
| Prefontaine Memorial Run | September 19, 2026 | Coos Bay, OR | 10K | More Information |
| Run For Mercy | September 19, 2026 | Forest Grove, OR | 3.5M, 1.75M | More Information |
| Three Sisters Skyline | September 19, 2026 | Sisters, OR | 50K, Half Marathon trail run | More Information |
| MLK Dream Run | September 20, 2026 | Portland, OR | 15K, 10K, 5K | More Information |
| Newport Harbor Tri | September 20, 2026 | Newport, OR | Sprint Triathlon, 5K | More Information |
| Newport Pride Run | September 20, 2026 | Newport, OR | 5K | More Information |
| Northwest Series – Day 2 OR | September 20, 2026 | Hermiston, OR | Marathon, Half Marathon, 10K, 5K | More Information |
| Oktoberfest Road Race | September 20, 2026 | Mount Angel, OR | 10K, 5K | More Information |
| Run For Recovery | September 20, 2026 | Salem, OR | 10K, 5K | More Information |
| Strut Your Kidney – a dash for NW Kidney Kids | September 20, 2026 | Portland, OR | 10K, 5K, 1M | More Information |
