MacroMind matchup data — real ranked games, not opinions
Riven vs Katarina
In Mid, Riven wins 57% against Katarina across 323 observed ranked games. This is an observed win rate shown with its sample size, not a prediction or a guaranteed counter.
By 15 minutes the median game has Riven ahead by 331 gold.
Does Riven counter Katarina?
Yes by the numbers. Riven wins 57% of 323 ranked Mid games into Katarina, and the gap clears the noise band on this sample.
How to beat Katarina as Riven
Turn the early game into gold: 300 up at 10:00 runs this matchup at 70% over 175 games; 300 behind drops it to 42% over 148.
The median first death in this lane comes at 3:36; the level 6 spike lands around 5:28. Respect the all-in window until your spike is online.