Course
An all-women's event finishing on the FivePine campus in Sisters under towering Ponderosa pines. The half marathon runs singletrack in the Deschutes National Forest on the Peterson Ridge Trail system with mountain views, and is capped at 500 runners and sells out most years. The 5K and 10K are road races winding through downtown Sisters.
Key dates
- !RegistrationOpen now
- ★Race daySat 24 Oct 2026
About
Happy Girls Sisters is a women-focused trail half marathon, 10K and 5K near Sisters, Oregon, part of the Happy Girls Run series. Courses run through forested trails with views of the Cascade peaks.
Save Happy Girls Sisters to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Suttle Lake Trailfest
Lakeside loop ultra with 24, 12, and 6 hour distance options
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Thunder River
Traverses the Columbia River Gorge in autumn
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Lithia Loop Trail Marathon
Loops Ashland's forested watershed above Lithia Park
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.
