Dave Lang and O.J. Brigance
Dave's World Marathon Challenge

7 Marathons 7 Continents 7 Days

Running the globe to raise $100K for people living with ALS.

183.4
Miles To Run
168
Hour Race Clock
23,600
Miles Of Travel
$100,000
Fundraising Goal

Countdown to the
2027 World Marathon Challenge

In January 2027, Dave Lang will attempt one of the most extreme endurance feats on the planet — seven marathons, across all seven continents, in just seven days.

Watch

The Announcement

Watch the World Marathon Challenge announcement

Every Mile Matters

Your support helps Dave reach the start line — and helps the Brigance Brigade Foundation change lives for people living with ALS.

Support Dave's Run