The road to your own record
Picture the course in advance
and find the pace that fits you.

The city you want to run becomes your next trip.
THE DREAM
This is the inaugural race on the Waterloo Lake trails in Denison, Texas.
The course combines dirt, rocks, and tree roots, with views overlooking the lake.
There is a section that passes through a cave during the course.
Picture the course in advance
and find the pace that fits you.
Streets lined with cheers, runners all around.
You'll be part of that scene.
Take it slow with the finish still in you,
and meet the city all over again.
From the joy of finishing to the tough moments — read what runners wrote themselves.
No runner reports yet. We'll add them here as they come in.
Preview the course and read what runners who went before you wrote.
Over Confident Under Trained
This may be from a past edition. Check the organizer for this year's course and operations.
YOUR ENTRY
Here are the ways to enter and what each requires.
Check the organizer's page for whether entries are open.
subject to change — verify officially
Organizer's pagesubject to change — verify officially
Organizer's pagesubject to change — verify officially
Organizer's pagesubject to change — verify officially
Organizer's pagesubject to change — verify officially
Organizer's pageRACE WEEK
Know the course and time limit, and race day comes into focus.
From the 2025 edition| Event | Start |
|---|---|
| Ultra50km | 07:30 |
| Marathon42.195km | 07:35 |
| Half marathon21.0975km | 07:40 |
| 10k10km | 07:45 |
| 5k5km | 07:50 |
The fields are divided into 6 divisions: 50K, Marathon, Half marathon, 10k.
Start line is in Denison, TX, and the start time is 7:35 a.m. local time.
The finish line is Waterloo Lake Park.
Not yet confirmed in the official race guide
Pick up your bib, check your wave.
So on race morning, you can just run.
The Caveman Challenge at Denison’s Waterloo Lake; packet collection details are not publicly available.
Waterloo Lake Park, 1101 S. Waterloo Lake Dr., Denison, TX 75020 — pavilion aid station is at the start/finish area.
Two designated parking lots with limited space; street parking is explicitly permitted as overflow. No public transit; city park venue reached by car.
Same as start — Waterloo Lake Park pavilion area.
All distances (50k, marathon, half marathon, 10k, 5k, 1.5-mile fun run) start/finish at the same pavilion location on staggered start times.
None mentioned.
No dedicated transit card system applies; Waterloo Lake near Denison, Texas is a rural North Texas venue roughly 75 miles from Dallas–Fort Worth, with no local public transit. Car or rental vehicle access is required.
Your start time, fuel and bag drop.
Know them ahead and the run feels easier.
In October, average temperatures in the Denison area are around 23°C (74°F) for the daytime high and 13°C (56°F) for the nighttime low.
The area averages nearly 12 rainy days during this period, with total precipitation reaching 104 mm.
The start is at 1101 S. Waterloo Lake Dr., Denison, TX.
The 50K starts at 7:30 AM, the Marathon at 7:35 AM, half marathon at 7:40 AM, the 10K at 7:45 AM, and the 5K at 7:50 AM.
Online registration closes at 11:59 PM on October 3 (Central Time).
Times are local to Denison. Check the latest official information before the race.
STAY A LITTLE
From a hotel that makes race morning easy,
to the meals and views you'll enjoy with the medal on.
Hotel · 4.5km
View on Booking.com$75
View on Klook$72
View on GetYourGuide$15
View on KlookHotel · 2.5km
View on Booking.com$278
View on Klook$154
View on GetYourGuideDistances are straight-line from the start/finish area.
Check real travel times and booking terms with each hotel.
Hotel · 4.5km
View on Booking.comHotel · 2.5km
View on Booking.comMotel · 3.0km
View on Booking.comAccommodation · 1.7km
View on Booking.comAccommodation · 2.0km
View on Booking.comAccommodation · 3.1km
View on Booking.comAccommodation · 2.3km
View on Booking.comSwipe sideways to see more hotels.
Rest a little, wander a little.
Pick what suits you and whoever you're with.
$75
View on Klook$278
View on Klook$40
View on Klook$21
View on Klook$83
View on GetYourGuide$84
View on GetYourGuide$460
View on GetYourGuide$65
View on Klook$21
View on Klook$72
View on GetYourGuide$73
View on GetYourGuide$27
View on GetYourGuideA meal before the race, a dinner to celebrate the finish.
$72
View on GetYourGuide$154
View on GetYourGuide$104
View on Klook$66
View on GetYourGuideThe city you ran — this time, a little slower.
$15
View on Klook$15
View on Klook$15
View on Klook$41
View on GetYourGuide$158
View on GetYourGuideOnce saved, you can open this page without an internet connection
Be the first runner
Leave this room's first post
Not officially announced yet.
It's expected in October 2027;
the 2026 race was held on Sat, October 10, 2026.
Not announced yet. The 2026 race entry fee was about $35.
Ultra. (From the 2025 edition)
The race starts at 07:35. (From the 2025 edition)
Denison, TX. (From the 2025 edition)
Waterloo Lake Park. (From the 2025 edition)