one goal. 100 miles.

the time for new goals is now. Join THE virtual 100 mile challenge TAKING PLACE in 100 cities across the country and ACCEPT the CHALLENGE to run or walk 100 miles in 2025.

DAYS TO COMPLETE THE Challenge:

Highlights

The Details

Date
Jan 1 - Dec 31, 2025

Location
100 U.S. cities (see map below)

Distance
100 Miles

Ready.Set. Register

SWAG Worth
SWEATing FOR

An epic challenge deserves epic swag. Choose your option below and claim your bling.

Under Armour Shirt

Finisher Medal

100 Mile Tracker

Sign up for the Swag

Choose between two swag options. Select your city below to get started.

Finisher Medal Only

$25

Registration opens January 1, 2025.

Under Armour Shirt + Finisher Medal

$50

Registration opens January 1, 2025.

sELECT YOUR city

Select your city to sign up for the virtual 100 Mile Challenge. Don’t see your city? Find your closest city and join the challenge.

100 cities coast to coast

REGISTER

run
your city.

Info

The time for new goals is now. Join the virtual 100 Mile Challenge and accept the challenge to run or walk 100 miles in 2025.

Distance

100 Miles

Location

100 U.S. cities (see map above)

Challenge Activities

Challenge activities include running (treadmill and elliptical included), walking, hiking, wheelchair, and daily steps from your fitness tracker. Feel free to switch up activities and break up the mileage however you like (e.g., daily, weekly, etc.).

Tracking Mileage

Track your mileage with the custom 100 Mile Challenge mileage tracker and visualize your progress by crossing off the miles until you reach 100.

Tracking mileage is based on the honor system, and you can break up the mileage however you like (e.g., daily, weekly, etc.).

Swag

All participants will receive an amazing 100 Mile Challenge finisher medal.

Participants who select Finisher Medal + Under Armour Shirt will receive an official 100 Mile Challenge Under Armour shirt in addition to their double-sided finisher medal.

Please visit the F.A.Q. section for mailing dates.

Beneficiary

The beneficiary of the 100 Mile Challenge is Special Olympics.

How it works

Step 1

Select your city and sign up for the 100 Mile Challenge.

Step 2

Rally and inspire your friends and family to take the 100 Mile Challenge with you. Participants can register individually or as part of a team.

Step 3

Track your mileage with the custom 100 Mile Challenge mileage tracker and visualize your progress by crossing off the miles until you reach 100.

Tracking mileage is based on the honor system, and you can break up the mileage however you like (e.g., daily, weekly, etc.).

Step 4

The 100 Mile Challenge is based on the honor system. Confirmation of completion is not required.

Teams

Challenge Teams

Rally and inspire your friends, family, coworkers, neighbors, run club or whoever you like and create a 100 Mile Challenge team.

Hold each other accountable and encourage everyone along the way to finish the year strong. Awesome team name required.

Team Registration

Participants can join or create a team during the registration process.

F.A.Q.

What is a virtual challenge?

The 100 Mile Challenge is virtual challenge that can be completed whenever and wherever you want. The goal of the challenge is to inspire participants to run or walk 100 miles in 2025.

When will packets be mailed?

Mailing will begin processing on June 1, 2025 and the first of each month thereafter (i.e., July 1, August 1, etc.). Please note packets will be mailed depending on the date you register.

When does the 100 Challenge end?

Participants have until December 31, 2025 at 11:59 p.m. to complete the challenge.

How do I confirm my completion of the 100 Challenge?

The 100 Mile Challenge is based on the honor system. Confirmation of completion is not required.

Can I exchange my shirt size?

Unfortunately, no. Shirts have already been ordered and we need to honor what everyone ordered. When registering, please reference the size chart.

Can I get a refund?

All registrations are nonrefundable.

I am having trouble registering. Is there someone I can contact?

For assistance, please contact Active.com support.