Logo

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.

United States Oregon Alsea

Race information

Website Registration
Half Marathon
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Perpetua Fatass

Yachats

...

Run the 12th annual Perpetua FatAss in scenic Yachats, OR, with trail distances from 9 mile to 50K and no entry fee. Routes are self supported with water stops and downloadable maps, and a post run potluck wraps up the day.

Run Love Run - Newport, OR

Newport

Celebrate Valentine’s Day with Run Love Run in Newport, Oregon on February 14, a festive coastal run for couples, friends and families. Choose 30K, 15K or 8K and enjoy a hand blown glass finisher medal, a red rose at the finish, pro photos..

Mac Forest Trail Run

Corvallis

Join the Mac Forest Trail Runs on March 7, 2026 in McDonald Forest near Corvallis for scenic singletrack and logging road 15k and 5k courses. All proceeds support local high school cross country and youth running programs.

Mudslinger Trail Run

Blodgett

Join the Mudslinger Trail Run half marathon in Blodgett, Oregon for scenic forest trails with rolling hills and varied terrain. Limited to 100 runners, the festival event features individual and team entries, quirky awards, and food.