Alsea Falls Spring Fling

Name: Alsea Falls Spring Fling
Start: 2026-03-07
End: 2026-03-07
Location: Alsea

MAR

2026

Celebrate the 12th anniversary of the Alsea Falls Spring Fling on scenic loop trails through fern lined Coast Range woods near Monroe, Oregon. Choose a half marathon, 10K, or 5K for a fresh Pacific Northwest trail running experience.

Sat 7 Mar 2026

Alsea, Oregon

Website Registration

Half Marathon 10 kilometers 5 kilometers

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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.

Half Marathon

10 km

10k

5 km