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Mammoth Cave 50K/25K

Mammoth Cave 50K/25K is a trail running and running race on October 24, 2026 in Park City, KY, with entry fees from $65 to $85.

Date
October 24, 2026 (93 days to go)
Price
$65–$85
Sports
Trail RunningRunning
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From the Organizer

 

Join us for the 6th running of Mammoth Cave 50K/25K trail race on Saturday, October 24, 2026, in beautiful Mammoth Cave National Park! 

Named after the historic railroad that once roared through Mammoth Cave National Park from 1886 through 1931, the Bike & Hike Trail provides a scenic, wooded experience within the Park on a crushed gravel surface. The out-and-back trail offers some challenging ascents/descents along its scenic route, and is perfect for the first-time trail runner or racers looking to set a lightening fast PR!

Mammoth cave is the world's largest known cave system with over 420 miles created 10 millon years ago.  It is also a UNESCO world heritage site.  While you are here for the run make sure to get tickets to visit the cave prior to your arrival.  There are also many other caves around the area.  This destinatioin is perfect for a family vacation.  

This race was started by Kevin Mays, whom many of you know, and this year he has given me the pleasure of taking over as the race director.  He has done a wonderful job of involving the community in the race and I hope to carry on all he has started.  The logo has been a white squirrel which is rare in the wild but abuntant in Bowling Green, Kentucky.  So maybe you will see one!  Seeing one represents purity, transformation, and good fortune.

The race will start at 7:00 AM (Central), for both distances, from the Bell's Tavern Pavilion in Park City, KY, and will end by 3 pm. A hard cutoff of 8 hours will be imposed for both distances.

Post-Cutoff Finishers:

We understand that everyone brings their own pace to the race, and we deeply appreciate the effort and determination it takes to cross the finish line, no matter the time. However, please note that after the 3 pm cutoff, race-day activities will wind down, and many participants, volunteers, and spectators may have already departed.

If you find yourself finishing after the cutoff, we want to assure you that your achievement is no less valued. Your perseverance is something to be proud of, even if the crowds may not be there to cheer you in. We hope you'll take pride in your personal journey and accomplishment on race day, regardless of the time.

 

 

Due to National Park restrictions, registration will be capped. At present, we are opening registration to 150 runners, with the hopes of increasing pending permit approval. Based on demand, we may open additional spots in the 50K distance by eliminating open spots in the 25K, or vice versa and adjust as needed. 

This event sells out quickly!

 

Understand this is a trail race. We are limited based on where the trail goes. So unlike a road race, the distance is never exact. This is common knowledge to most everyone who has run trail races in the past but it never fails and there is always one who is upset that their GPS watch showed 16.5 miles when the race said it was a 25K. Everyone is racing the same course, therefore it's an even playing field. 

 

This will be a "cupless" race. Runners will need to provide their own collapsible cups, bottles or hydration packs for refill at the aid stations.  The aid staions will have water, sports drink, and yummy snacks.

 

For lodging options within the Park, please visit https://www.nps.gov/maca/planyourvisit/lodging.htm. Camping reservations are available at https://www.nps.gov/maca/planyourvisit/camping.htm.

 

Course Map can be located at https://www.alltrails.com/explore/map/map-august-22-2022-5a7b238?u=i&sh=d9ndg3

 

We look forward to a get year and I will keep you posted with details.

 

Events

Mammoth Cave 25K$65
Mammoth Cave 50K$85

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

71°

Typical Low

46°

Chance of Rain

30%

Based on US Climate Normals data from Mammoth Cave, 6 mi from the venue.

Sunrise 7:00 AMSunset 5:55 PMDaylight 10h 55m

Host City

About Park City, KY

Population

693

as of 2023

City Elevation

642 ft

Nearest Airport

BNA

Nashville International Airport · 76 mi

Time Zone

Central Time

From Endurance Grid

A small town race. Lodging near the start could be limited, so book early.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Mammoth Cave 50K/25K, put it on the calendar, and turn “someday” into a start date.

93

Days to train

Race
Mammoth Cave 50K/25K
Date
October 24, 2026

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From Endurance Grid

About These Sports

This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

Trail Running

Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain makes for an exciting twist and adventure in your running journey.

Running

From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to Park City than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to Park City
Lodging
Flights
Rental Car
Activities

Frequently Asked Questions (FAQs)

What is the Mammoth Cave 50K/25K?+
Mammoth Cave 50K/25K is a trail running and running race held in Park City, Kentucky on October 24, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more trail running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Mammoth Cave 50K/25K?+
Saturday, October 24, 2026 in Park City, Kentucky at 130-318 Old Dixie Hwy. Check the event page for exact start times and wave schedules.
How do I register for the Mammoth Cave 50K/25K?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Mammoth Cave 50K/25K

Oct 24, 2026

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