Your Raceday
Command Center.

Checklists, travel, pacing and fuel for your next race. Plus a countdown on your Home Screen, so you always know how long you have.

From the team behind 42cal.com, 600+ races in 94 countries.

Here's your race.

days to go

Target pace

every mile

Your goal

Distance

marathon

Checklists, travel logistics and your race report are free.Unlimited, on your first race.

Download on theApp Store
Scan to download MarathonOS on the App Store

Scan to download free

Works with

STRAVA
GARMIN
APPLE HEALTH
Today's Brief in MarathonOS: conditions, flights booked by, goal, race-day checklist, fuel plan and travel logistics

From today

The day, worked out in advance.

Today's Brief puts the weather, your key dates, the checklist and the fuel plan on one screen. The countdown itself sits on your Home Screen and Lock Screen.

Race preparation screen with race-week checklists, a mile-by-mile pace band and a race fueling timeline

The weeks in between

Every decision made before the start.

Flights, hotels, parking, bib pickup and expo hours in one place. Your pace band and fuel plan are worked out long before you get there.

Lock Screen on race morning showing a MarathonOS Live Activity with time to the start, published start time and weather

Race morning

You won't need to open it.

The last hours run on your Lock Screen. Weather, the published start, and when to leave for it.

Without opening the app

Home Screen
Lock Screen
Live Activity
Dynamic Island

What it costs.

Free

$0

  • Create races and sync runs
  • Checklists, travel logistics and your race report are free on your first race

Premium

$5.99/month

  • $39.99 a year
  • 7-day free trial on both
  • Fuel plans, pace bands, goal analysis and readiness on every race, not just the first

Race Block

$24.99

  • Everything in Premium, for 20 weeks
  • Does not renew

Add your race. The countdown starts.

Download on theApp Store
Scan to download MarathonOS on the App Store

Scan to download free