Doomsday 5K

01/06/2026

That's a W.R.A.P on the 4nd Annual Doomsday 5K Trail Race !

👉 Race Results: https://ultrasignup.com/results_event.aspx?did=129265
👉 Photos: https://photos.app.goo.gl/TiS7cTZxf3wdRNVJA

📸Elaine Collins

Thank you for joining us and kicking off your New Year’s Day with Terrain Trail Runners-STL. We love starting the year on the trails with you.

💥Save the Date:
Doomsday 5K returns Friday, January 1, 2027.

👉Registration opens early September 2026.

Have an amazing 2026 racing season!

Shared album · Tap to view!

01/03/2026

✨Some highlights from the 4th Annual Doomsday 5K!

No better way to kick off the New Year than lacing up, showing up, and running into 2026 with this amazing community.

🏃‍♀️🏃‍♂️ Thanks to everyone who kicked off 2026 with Doomsday 5K in full sprint 💥 🙌
📸

🏃‍♀️🏃‍♂️

12/29/2025

HEADS UP!

👉 Bib numbers have been assigned, and the race day information email is OUT!

Check your inbox and your SPAM folder.

If you still don't see the pre-race email, shoot us a message at [email protected] and we'll get you taken care of.

Can't wait to kick off the new year with you on January 1st!

LET'S GO!! 🏃‍♀️🔥🏃‍♂️

12/14/2025

🎉 👟 The countdown is ON!
In just 2-ish weeks New Year will come knocking and we'll be ready to kick it off STRONG with the Doomsday 5K on New Year's Day! 💥
✨️ Start 2026 on the right path: Lace up, run with us, and make it a family affair.
📅 January 1, 2026
📍 Cliff Cave County Park, St. Louis, MO
🕑 10AM
⌛️ ONLINE REGISTRATION CLOSES AFTER DECEMBER 28 - Don't wait!
Registration 🔗 ⬇️
https://ultrasignup.com/register.aspx?did=129265
# 🏃‍♀️🏃

12/01/2025

✨️ 🏃‍♀️🏃‍♂️ It's officially December 1, which means the countdown is on ⌛️
👉 You have until December 28, 2025 to sign up for Doomsday 5K and kick off the New Year on the right foot....AKA trail running 🌲 👟 👟

💥 Start 2026 strong 💪 🙌 by committing to yourself on January 1st.

Join Terrain Trail Runners-STL for the 4th annual Doomsday 5K and celebrate 🥳 🎉 the new year where it belongs - on the trails.

📅 January 1, 2026
📍 Cliff Cave County Park, St. Louis, MO
Sign up 🔗 https://ultrasignup.com/register.aspx?did=129265
👉👉 Let's make the first miles of the year unforgettable ✨️
WHO'S READY TO RUN INTO 2026?!!

09/02/2025

Ready to make plans for January 1, 2026?!!

👉 Online race registration for the 4th year running of Doomsday 5K is now OPEN!

Sign up here:

Register Now!

08/26/2025

Psst... 👀

Did you know we're just 4-ish months away from a brand new?

👉 You know what that means - time to set fresh goals and kick off 2026 with a bang 💥

🎉 Doomsday 5K is BACK!

Online registration for the 2026 edition opens September 1, 2025.

✅️ Race will be capped at 75 runners
✅️ NO price increases
✅️ Race Day Registration will be available
✅️ First come, first served

Start your year strong. Start it with Doomsday. 🏃‍♀️🏃‍♂️ 🙌
🏃‍♀️🏃‍♂️ #2026

01/05/2025

The wait is over!

Photo 🔗 to the 2025 edition of Doomsday 5K:

https://msjphotography9.pixieset.com/doomsday5k2025/

ENJOY!!

Photo collection by Michael Jordan

01/01/2025

💥 HAPPY NEW YEAR!

Impressive start to 2025!!

👉 Some highlights from the 3rd year running of Doomsday 5K:

● Congrats 👏 to our overall female and male performers on their win and course records!

1st Female - Rachel Kendall - 00:25:10
1st Male - Pierre Antoine Mathieu - 00:21:02

● We had 8 participants under the age of 15 years and under!!

● Congrats 👏 to our two female performers age 70 years +
Maggie Massey and Deb Schopp both finished under an hour!!

AND....

● We had 26 Male finishers and 33 Female finishers for the 2025 edition of Doomsday 5K!!!

✨SAVE THE DATE FOR NEXT YEAR: Doomsday 5K will be held on Thursday, January 1, 2026.

More to follow!