When a token is posted by many channels, the price usually moves with each new wave of readers. Readers of the first channel buy at the bottom of that move; readers of the tenth channel often buy the top.
How the race is measured
For each recent multi-channel token, the race page loads every call timestamp and orders the channels. The first one gets the win; the gap to the second shows how much head start it had.
Read it carefully
A small sample can lie. Look for channels that win often across many different tokens, not one lucky streak, and always check liquidity and holders before buying.