Run your first half marathon with a plan and people in your corner
First 13.1 is the beginner-friendly HalfRuns cohort for runners who want structure, support, and a clearer path to the start line. Join the waitlist and we'll let you know when the next group opens.
Built For
First-time half marathon runners
Focus
Coaching, accountability, and race-day confidence
Next Step
Join the waitlist for first access
Join the First 13.1 waitlist
We'll send cohort updates, early details, and the first heads-up when spots are ready.
We'll only use your email for waitlist and HalfRuns updates.
First access when spots open
The waitlist gets the first email when the next First 13.1 cohort is ready.
Early program details
We will share timing, format, and what to expect before public enrollment goes live.
A gentler way to get started
If your first half still feels a little intimidating, this is the low-pressure next step.
Support that makes a first half feel more doable
Who This Fits
Built for runners who want guidance, not pressure
Whether you're starting from run-walk intervals or coming back to the distance after time away, this is for runners who want a plan, accountability, and people who get why week eight can feel like a whole personality shift.
While You Wait
You can start exploring the right race now
HalfRuns already helps you browse half marathons by place, season, terrain, and feel, so you can start narrowing down a race that sounds exciting and realistic.
Browse racesJoin the list and we'll keep the next step simple
No pressure, no pretending enrollment is open when it isn't. Just a clear heads-up when First 13.1 is ready for new runners.
Get on the waitlist
We'll email you when the next First 13.1 cohort is ready.
We'll only use your email for waitlist and HalfRuns updates.