Mary-Kate

Favorite endurance sport

Trail Running

Also likes

RunningRoad CyclingMountain BikeRock ClimbingSkiingHiking

On the grid since

Sep 2026

Why Mary-Kate trains

Training to me is a side effect of a lifetime of wanting to do any and every activity outside.

Founding Athletes

Claim Your Own Page

Back Endurance Grid, claim a number, and get a page like this one.

19 days left at this price

$10

Goes to $25 on October 1. Program closes October 31, 2026.

A page on this site at your own URL
A Founding Athlete number, given in order
First access to the Endurance Grid app
A say in what gets built — early builds, direct feedback
Add your training partner (pet) to this page
Exclusive access to buy the Founding Athlete shirt at cost + shipping (shirt is only ever available to Founding Athletes)