Doomsday 5K
Cliff Cave County Park
806 Cliff Cave Rd,
St. Louis, MO 63129
Cliff Cave County Park
806 Cliff Cave Rd,
St. Louis, MO 63129
REGISTRATION INFORMATION
RACE DAY REGISTRATION
We will be accepting onsite/race day registrations for Doomsday 5K!
Race Day Registration - $65.00
*ALL race day registrations will receive a custom Doomsday 5K PINT
*CASH ONLY*
Race day/onsite registration will begin at 9AM on January 1, 2025!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
Post-Race Coffee and Snack
START TIME & TIME LIMIT
The race will start at 10:00 AM. The cutoff for the race is 2 Hours, that's more than 30 minutes/miles.
You can hike that Sh$t!
The race will start at 10:00 AM. The cutoff for the race is 2 Hours, that's more than 30 minutes/miles.
You can hike that Sh$t!
COURSE DESCRIPTION
The Doomsday 5K trail race will start/finish a little way past the train tracks in Cliff Cave County Park.
Runners will start on the pavement for 1/2-ish Mile then get on the Spring Valley Trail Outer Loop for 1.8-ish Miles before heading back to the finish on pavement once again for 1/2-ish Mile to the finish. Spring Valley Trail is an all-dirt trail with rolling hills, some roots and rocks to keep you present!
*Spring Valley Trail is a beginner friendly trail*
Kick off the New Year with a 5K race on some fast and relatively 'easier' trails!
The Doomsday 5K trail race is a great introduction to trail racing for beginners as well as a challenge to test their speed for the more experienced trail runners.
Course Distance - 5K with approximately 272 feet of elevation gain.
The Doomsday 5K trail race will start/finish a little way past the train tracks in Cliff Cave County Park.
Runners will start on the pavement for 1/2-ish Mile then get on the Spring Valley Trail Outer Loop for 1.8-ish Miles before heading back to the finish on pavement once again for 1/2-ish Mile to the finish. Spring Valley Trail is an all-dirt trail with rolling hills, some roots and rocks to keep you present!
*Spring Valley Trail is a beginner friendly trail*
Kick off the New Year with a 5K race on some fast and relatively 'easier' trails!
The Doomsday 5K trail race is a great introduction to trail racing for beginners as well as a challenge to test their speed for the more experienced trail runners.
Course Distance - 5K with approximately 272 feet of elevation gain.
For more information on Terrain Trail Runners -STL general race polices and withdrawal/refund policies. Please see the FAQ page.
All other race specific information will be emailed after online race registration closes on UltraSignup!
All other race specific information will be emailed after online race registration closes on UltraSignup!
General Doomsday 5K race specific information:
Aid Stations
There will be NO aid stations on the course and/or at the start/finish area. Runners are responsible for their own aid, carry your own water receptacle during the race if you need water and bring your own mug for post-race coffee.
*Runners are not required to carry their own hydration bottle, pack, or cup on the course
*Keep in mind that Terrain Trail Runners events are "cupless" races. This policy is put into effect in an effort to reduce the amount of waste and adopt a sustainable “green” practice for the race and the sport of trail/ultra-running*
Post-Race
Join us for some hot coffee and snack at the pavilion in the park and cheer on your fellow Doomsday 5K racers.
*Post-race coffee and snacks are for RUNNERS and VOLUNTEERS Only*
Race Swag
Included in your online race registration:
CHOOSE FROM - Custom cotton, lifestyle t-shirt, S/S, unisex sizes or Opt-Out - Plant a Tree
All finishers will receive a custom medal
Awards for top male & female performers will be a $50 credit towards anyone of the Terrain Trail Runners 2025 races!
Aid Stations
There will be NO aid stations on the course and/or at the start/finish area. Runners are responsible for their own aid, carry your own water receptacle during the race if you need water and bring your own mug for post-race coffee.
*Runners are not required to carry their own hydration bottle, pack, or cup on the course
*Keep in mind that Terrain Trail Runners events are "cupless" races. This policy is put into effect in an effort to reduce the amount of waste and adopt a sustainable “green” practice for the race and the sport of trail/ultra-running*
Post-Race
Join us for some hot coffee and snack at the pavilion in the park and cheer on your fellow Doomsday 5K racers.
*Post-race coffee and snacks are for RUNNERS and VOLUNTEERS Only*
Race Swag
Included in your online race registration:
CHOOSE FROM - Custom cotton, lifestyle t-shirt, S/S, unisex sizes or Opt-Out - Plant a Tree
All finishers will receive a custom medal
Awards for top male & female performers will be a $50 credit towards anyone of the Terrain Trail Runners 2025 races!