Every human alive Eight point one billion people are in this picture.

Now take away everyone who has never climbed the height of Everest.

Two hundred thousand are left. GritCore tells you, in a number, whether you are one of them.

Measure yourself
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The film · 24 seconds

Every feat.
One number.

Twenty-four seconds on what GritCore does. Sound on.

Rarity is not a feeling.
It is a position on a list.

GritCore holds a baseline for every exploit: how many people are estimated to have ever done it, against the population it is measured in. Finish one, and you get the figure that goes with it.

  1. 0.18% 100 pull-ups in a day 9,900,000 people
  2. 0.049% Century ride, 100 miles 4,000,000 people
  3. 0.015% Marathon under three hours 1,200,000 people
  4. 0.0080% Ironman-distance triathlon 650,000 people
  5. 0.0062% Run 100km in one effort 500,000 people
  6. 0.0025% Climb the height of Everest 200,000 people

Bar length is rarity on a logarithmic scale. Longer means fewer people.

A claim is worth
nothing on its own.

Anyone can say they ran a hundred kilometres. The number only moves when somebody who was there says so too.

Claim

Say what you did, in your own words.

Pick the exploit, add the date, add whatever evidence you have. A watch file, a photo, a race result, or nothing at all.

Endorse

Someone who was there backs it.

Endorsements come from real accounts, and they are visible. A claim nobody will vouch for stays a claim.

Place

Your number moves.

Every verified exploit recomputes where you sit against the reference population, and against everyone else on GritCore.

About those numbers.

Nobody knows exactly how many people have ever run a hundred kilometres. There is no registry. Every baseline on GritCore is an estimate built from race entries, federation data, and published participation figures.

So the app labels them. Each baseline carries a confidence level, and right now every one of them reads placeholder. They will tighten as better sources land, and when a figure changes, the app says so rather than quietly moving it.

The part that is not an estimate is the endorsement. A person either vouched for your effort or they did not, and that is recorded exactly.

Badges that mean something,
because they cost something.

Gold

Summiteer

Climb the height of Everest.

8,849 metres: the height of the Earth's highest point above sea level.

Mythic

Ironheart

Complete an Ironman-distance triathlon.

Three sports, one day, no rest between them.

Silver

Chasqui

Verify three running exploits.

Inca chasquis ran relay stages along the Qhapaq Nan, passing messages across the Andes.

Gold

Centurion

Run 100km in a single effort.

A hundred of anything was the Roman army's unit of meaningful scale.

Bronze

Initiate

Claim your first verified exploit.

Every record starts with one witnessed effort.

So how rare are you,
actually?

Free. iPhone and Android. One number, and everything behind it.

Friends on iPhone or Android: same duels, same leaderboards.