MO' Cowbell Marathon | Fun Run Atlas | RMN
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Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

MO' Cowbell Marathon

Named after the SNL 'More Cowbell' sketch, with a mascot, Chuck the Cow, who has abs and tennis shoes.

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Fun Run Atlas · Missouri

Costume and theme · St. Charles, MO

MO' Cowbell Marathon is a costume and theme run in St. Charles, Missouri, with a verified date of November 8, 2026.

ConfirmedFamily friendlyCostumes encouraged
When
Sun, Nov 8, 2026
Early-November Sunday
Where
Frontier Park
St. Charles, MO 63301 · St. Charles
Directions
Entry
Register
Organized by
Economic Development Council of St. Charles County
Official siteDirectionsAdd to calendar

What to expect

  • cowbell
  • SNL
  • mascot
  • Missouri River
  • Boston qualifier

2026 Confirmed

Sunday, November 8, 2026

  • Sun, Nov 8, 2026

Checked Sun, Oct 4, 2026 against the official source.

2027 Projected

Date TBA

About the run

Marathon, half, 10K and 5K starting and finishing in Frontier Park along the Missouri River beside Missouri's first state capital.

The run

Distances
marathon, half marathon, 10K, 5K
Season
Fall

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.