Trail Running calendar near Lennox 2025-2026

Join the festive Trick or Treat Run at Pasley Park for a family friendly 5K, 10K and kids Candy Dash along the Big Sioux River bike path. Dress up for the costume contest and help support Special Olympics South Dakota.

Take on the rolling trails of Newton Hills State Park on November 1, 2025 with Glacier Hills Ultra offering 50K, 30K and 20K loop races. Expect challenging climbs, friendly volunteer support and well stocked aid stations.

TutHell 50K on May 2, 2026 in Sioux Falls challenges runners to complete a 0.31 mile loop 100 times around Tut Hill. Entry is essay based and donation based fees support a vetted nonprofit, with aid at the hilltop and live timing.