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2026 in United States · 33,157 events ✕

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MammothMarch Missouri 2026

SUN, September 13, 2026 · Defiance , United States

Distances

32.2 km

About this race

Hike the Katy Trail and Lewis & Clark Trail, finishing at Defiance Ridge Vineyards.

MammothMarch Missouri

© OpenStreetMap

2711 South Highway 94

Defiance Ridge Vineyards, South Missouri 94, Defiance, MO

Defiance

Driving directions

Register → On the official site Search on Google

Typical weather SEP

31°C low 18°C

30mm precip avg

Still warm — afternoons are tough.

Please verify event details with the organizer before registering.

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