Marathon · Sioux Falls

Marathons in Sioux Falls, SD in September

Every marathon happening in or near Sioux Falls during September. Sorted by date with deterministic 0–100 scores so you can pick the right one for your goal.

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Marathon

Sioux Falls Marathon

Sun, Sep 20, 2026

Sioux Falls, South Dakota

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Rolling

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5Ks in Sioux Falls 10Ks in Sioux Falls Half Marathons in Sioux Falls Trail Races in Sioux Falls All races in South Dakota Marathons in Sioux Falls (all months)