Alsea Falls Spring Fling
Alsea, United States • 7 Mar 2026
Alsea Falls Spring Fling (March 7, 2026)
The Alsea Falls Spring Fling is a trail running event held at Alsea Falls Recreation Area near Monroe, Oregon. The 2026 edition is the event's 12th anniversary. Distances offered are:
- Half marathon
- 10K
- 5K
Course and event details
The courses are described as loop routes through the Coast Range with fern-lined trails in Pacific Northwest woods. Course maps are provided for each route. The location is about 20 minutes west of Monroe, roughly 50 minutes from Eugene and 45 minutes from Corvallis; travel time from Portland is listed as about 2.5 hours. Registration for the event closes March 5 at 11:59 AM PT. No refunds are available after entry, but entries can be transferred to another Oregon Trail Runs event within seven days of the race date. Visit the organization's website for the most recent information.