›United States›MammothMarch Cuyahoga Valley|2026·30,763Events

▾

EnglishEN PolskiPL DeutschDE ItalianoIT FrançaisFR EspañolES SlovenčinaSK 日本語JA MagyarHU ΕλληνικάEL PortuguêsPT NederlandsNL ČeštinaCS NorskNO SvenskaSV DanskDA SuomiFI БългарскиBG

Sign in Sign up

Home Training Events Forums

Running·80.5 km

6th Annual Viva Frida 50 Mile Challenge

HeatFest

Winston Salem, US

Miles for Hope

Red White and Run

Running·241.4 km

Shark Bait Summer 2026 Running/Walking Challenge

ANY TOWN OR CITY VIRTUAL, US

Snow Bird Classic - America 250 Challenge

Running·1.6 km

The Best Buy Foundation® Charity Classic Run/Walk

Running·3.2 km

Ultraviolet Mushroom Hunt with Drew Palmer

Running·96.6 km

ACPA Race Challenges

Chapel Hill, US

Bozeman Rut Community Night

Kill Bill's Oyster Dome Challenge 25k/ 50k

Running·169 km

Race Across California - 2026

San Francisco, US

2026 in United States · 30,763 events ✕

Running road

MammothMarch Cuyahoga Valley 2026

SUN, September 20, 2026 · Peninsula , United States

Distances

32.2 km

About this race

MammothMarch returns to Cuyahoga Valley National Park. This hiking challenge traverses challenging yet scenic trails through the park.

MammothMarch Cuyahoga Valley

© Mapbox · © OpenStreetMap

4040 Riverview Rd

Cuyahoga Valley Farmers Market, Riverview Road, Peninsula, OH

Peninsula

Driving directions

Register → On the official site Search on Google

Typical weather SEP

19°C low 10°C

45mm precip avg

Mild — classic racing weather.

Please verify event details with the organizer before registering.

Edit event Add missing Report a problem