Is the half marathon limited in size?

Yes, the half marathon is limited to 500 runners and typically sells out every year.

Where do the races finish?

All race distances conclude at the FivePine campus.

All races

2 weeks out

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All races

2 weeks out

2026 Happy Girls Sisters

Saturday, October 24, 2026Sisters, OR5K – Half Marathon

Experience the camaraderie of an all-women's race weekend in the charming town of Sisters, Oregon. Trail runners can tackle a scenic half marathon on the Peterson Ridge Trail system, winding through the lush single-track of the Deschutes National Forest. For those who prefer the pavement, the 5K and 10K road races offer a beautiful tour through downtown Sisters. All participants converge at the FivePine campus, where the finish line is framed by towering Ponderosa pines. This event is a local favorite, so be sure to secure your spot early as the popular half marathon consistently reaches its capacity.