You know what you can run in good conditions. Meridian tells you what that's worth today — in the heat, the wind and the hills in front of you.
Put your own run in below.
Three things, orbiting one number.
Each ring is a separate cost, sized by what it is taking from you right now. Change anything above and watch them move.
One runner. One race distance. Eight places.
A three-hour marathoner does not have a three-hour marathon everywhere. This is the same runner, in the same shape, on a typical summer day in each of these cities — and the honest finishing time each one supports.
Because the average runner isn't you.
Two runners of identical fitness can lose two minutes or six over the same hot marathon. An average can't tell you which one you are.
Your own history can. That's the one thing a web form will never have.
A runner in West Palm Beach, which is a stupid place to train for a marathon.
I spent a summer watching my paces fall apart, unable to tell whether I was losing fitness or just running in soup. Nothing I found answered that honestly.
So I started building the thing I wanted. First real test is New York, 1 November. — Max
A range, not a false decimal.
It tells you which conditions are driving the adjustment, and it says modeled until your history has earned it the right to say personalized.
Not a training plan. Not a social feed. Not another dashboard. One number, one sentence, out the door.
TestFlight is opening to a small group of runners across a range of climates.