Trail half marathon and 50k on the single-track Switchgrass Mountain Bike Trail at Wilson State Park. Exposed, hilly course beside Wilson Lake with two aid stations, marked routing, awards, and finisher items for each distance.

October 2026

Fri - Sun Oct-Nov 30-1

Hell Creek 100

Dorrance - 65 mi from Smith Center

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A multi distance trail event at Wilson State Park near Sylvan Grove Kansas from October 30 to November 1 2026. Distances run from a 10k to the Pure Hell 140 and include a 5 person team relay and a Halloween costume contest.

April 2027

Saturday Apr 24

The Eternal Damnation Backyard

Sylvan Grove - 57 mi from Smith Center

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Backyard Ultra

7 km

A last man standing backyard ultra held on single-track trails at Wilson State Park. Runners repeat 4.167 mile laps with one hour to complete each lap; crews are limited and aid is at the start finish only.

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