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Sunflower Relay and Iron Event

Apr 25, 2026 at 8:00 AM

309 Riverside Ave., Winthrop WA, 98862, USA

This unique course begins at 2180 feet elevation in Mazama and includes well marked deer trails, single track trails, and gravel roads. Stunning views of the Methow River, North Cascades and Chelan Sawtooths abound from flower carpeted meadows and fields. At two points, racers climb to 2600 feet. The finish is at about 1600 feet in Twisp. This course traverses private property that owners generously allow use for this one-day only. Please do not pre-run the course prior to or after the event. Because of the presence of livestock, no dogs at start or finish lines, or on the course please.

The Marathon course is a marathon-plus length at 26.8 miles. Expect breathtaking scenery and some sustained climbs and descents. Elevation +2,520/-2,350.

A Half Marathon option begins at Sun Mountain Chickadee Trailhead and ends at the same Twisp finish line as other event options. The course is moderate in difficulty with some sustained climbs and descents. Total length is just over 1/2 marathon length.

Event History

2026
Apr 25, 2026
2025
Apr 26, 2025
2024
Apr 27, 2024
2023
Apr 29, 2023
2022
Apr 30, 2022
2021
Apr 24, 2021
2020
May 02, 2020
2019
May 04, 2019
2018
May 05, 2018
2017
May 06, 2017
2016
May 07, 2016
2015
May 09, 2015
2014
May 10, 2014
2013
May 11, 2013
2012
May 12, 2012
2011
May 07, 2011
2010
May 07, 2010
2009
May 02, 2009
2008
May 03, 2008
2007
May 05, 2007
2006
May 06, 2006
2005
May 07, 2005
2004
May 01, 2004
2003
May 03, 2003
2002
May 04, 2002
2001
May 05, 2001
2000
May 06, 2000
1999
May 01, 1999

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