To Bone and Back Race

02/09/2026

Registration is OPEN!!!

We’ve also had our first ultramarathoner sign up as well!!

Sign up now to save money on registration fees!

https://runsignup.com/Race/ID/IdahoFalls/ToBoneAndBackRelay

06/26/2025

Course Map!
https://caltopo.com/m/TAKV0KV

Huge thanks to Jeff Fullmer, local Idaho Falls Trail Runners member/founder/legend!

User created map: Bone & Back - 2025, ID TAKV0KV, on CalTopo. Backcountry or your backyard; research, plan, share, and take maps with you on your mobile device. View real time data, choose layers that suit your needs, print maps, record tracks and more.

06/25/2025

2 days and 18 hours to go!!! Are you ready? Do you have your teams set? Have you fought each other to not run leg 2?! 😂 We can’t wait to see you all there!
Check down our countdown timer here: https://sites.chronotrack.com/event/84111?fbclid=IwQ0xDSwK33L9leHRuA2FlbQIxMQABHiMGLgUmhKhGUtEcV2-J_okZG93VSu_pojAcU9aurEiv2Rvah8IQNQcYtpii_aem_U2FWJ7TsUTtWP8bWACq7BA

06/23/2025

We have a Women’s team looking for an additional runner! Are there any women out there that would like to be on a team? Let us know!!!

06/22/2025

So excited to be partnering with North Fork Counseling Services! Head on over to their page and give them a like and a follow!

Join us in supporting this incredible tradition of endurance, teamwork and community spirit. Strong minds fuel strong miles.

06/21/2025

ONE WEEK!!!

😆 We are so excited! Are you?! (If you didn’t get a team together, sign up for our 5-mile solo!)

What’s your favorite thing?

How about our after party snacks?!
🍕 HUGE thanks to Domino's Pizza for providing each team with a pizza when they cross the line!
🥤 and what better thing to wash that down with then an ice cold Pepsi?! (Assorted flavors available)
🥣 and to give you a great protein refreshment, help yourself to a cup of delicious Chobani Yogurt!!!

SIGN UP NOW! https://register.chronotrack.com/r/84111

06/16/2025

🏃‍♀️ Run the Legend: Join the 35th Annual To Bone and Back Relay! 🏃‍♂️

Lace up and be part of Idaho’s running tradition!
Whether you’re in it for the challenge, the fun, or the team spirit, the To Bone & Back Relay is a race like no other!

🎉 This year marks our 35th anniversary, and we want YOU on the course!

📍 Scenic route from Idaho Falls to Bone, ID and back!
👟 Perfect for solo runners, two-person teams, four-person teams, or the most popular, 8-person teams! If you can’t find a team there’s also a 5-mile solo option!
🏅 Top three teams in each category get medals thanks to ICCU

🗓️ June 28th
Register Now:

This 40 mile relay has been around in Southeast Idaho for 27 years now. Join today and run with a team of 8 (each person running 5 miles), a team of 4 (10 miles each), a team of 2 (20 miles each) or if you are feeling adventurous run the whole 40 miles!!!Come out with friends and/or family to enjoy....

06/07/2025

Three more weeks until Race Day!! Get your teams together and get registered! Why? So you can be as cool as these boys who ran it last year as 7th, 8th, and 9th graders from THREE different schools! https://register.chronotrack.com/r/84111

02/03/2025

Are you ready for the 35th Annual To Bone and Back Relay?!
This years date is June 28th (always the fourth Saturday in June)
Register BEFORE April 2nd to enjoy the lowest prices of the year!
Registration link: https://register.chronotrack.com/r/84111

11/19/2024

If you’re in the Rexburg area this is an AWESOME event!

It’s that time of year again! Join millions of Americans this Thanksgiving and sign up to run the Upper Valley Turkey Trot! Thanksgiving Day is the most run day in the United States! So don’t miss out, come Hobble before you Gobble!

https://register.chronotrack.com/r/83118

Race begins at 9AM, plenty of time to run before you’re needed at home!!!

Back again this year are our customized winter running gloves! Sign up now to claim yours!!

06/24/2024

Join our Sister Race’s Team by becoming a sponsor!! If you want to be on shirts they’ll need to know today/tomorrow (6/25)!

Join the Firekracker team by becoming a sponsor! T-shirts have been ordered but we can still get your logo on the back if you let us know by 6/25! Depending on size of sponsor, you can get free entries and prime location on the back of 700 shirts or more!