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Saturday, October 21 | Rancho San Rafael Regional Park

The nation’s biggest hiking series is coming to Reno, Nevada!

We are excited to have secured Keystone Canyon, part of Humboldt-Toiyabe National Forest, for our 2023 season finale.

The first-ever MammothMarch in the Silver State features parts of the largest U.S. National Forest outside of Alaska, and will be one of our more challenging 20-mile hikes – scenic views and gorgeous overlooks included!

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Hiking 20 miles in 8 hours, you will be exhausted but proud and happy... as well as part of our amazing community of nature lovers, hikers, and MammothMarch addicts!​

Time & Location

October 21, 7:15 AM

Rancho San Rafael Regional Park

Local Partners

At a glance


Date: Saturday, October 21, 2023


Distance: 20 miles in 8 hours
There is no time keeping; there are no failures; we only recognize the incredible courage it takes to rise to our challenge. Every participant completing the distance will be awarded their finisher medal and considered a winner!

Starting time: Several starting slots are available from 7:15 a.m. You can choose from specific time slots with limited capacity when signing up. This ensures the most remote hiking experience as a maximum of 5 participants cross the starting line at the same time. The first hikers will start as early as 7:15 a.m. with the majority coming back in just about 8 hours. However, we will have our finish line open for the ones that need a bit more time.


Venue (start/finish): Rancho San Rafael Regional Park, 1595 N Sierra St, Reno, NV 89503


Parking: Parking will be available on-site.


Aid/refreshment stations: There are up to 3 water stops/aid stations along the route (approximately positioned every 5-7 miles apart) providing toilets, food and drinks for all participants. These refreshments are included in the cost of your ticket. The refreshments will vary between refreshment stations, providing water, coffee, tea, isotonic drinks, fruits, cereal bars, etc.

Certificates: All finishers receive their personalized certificate after crossing the finish line. For the ones who drop out, we issue certificates stating the mileage covered.

Hiking pass:  MammothMarch Hiking Passes will be made available for all new participants. All participants from a different MammothMarch event should bring their Hiking Pass to collect their stamps on site.


Finisher medal/wall of fame:  For all participants finishing MammothMarch.

Merchandise: Our 2023 merchandise collection can be viewed right here: Pre-orders are available until around two weeks before the event, but we will also sell merchandise on site (while stocks last).

Route: The single-circuit loop leads through the remote Keystone Canyon, along various trails, such as Reno Vista Trail, Rancho San Rafael Nature Trail, with start and finish at Rancho San Rafael Regional Park.

Total elevation gain: Around 3,000 ft.

Terrain: Mainly dirt trails, gravel roads, forest floor, rocky surface.

What are you waiting for? Sign up here to enter “not your average hike”.

Please check out more details in our FAQ section or contact us

The route will be made available approximately 2 weeks prior to the event. Please note that the route is preliminary and may be adjusted due to weather issues, official directives and/or organizational matters. The route will be marked 1-2 days prior to event day. Should we notice parts of the route being inaccessible, extremely wet/muddy we will adapt it to local conditions at short notice.

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