Recently i saw eth has pumped more than btc but it doesn’t mean that eth could win race with btc. Even it still suffering to reach 1eth=0.1 btc. People come crypto market mainly for btc, i doubt that large number of people don’t know about other currencies properly except bitcoin. That's the reason, why big organisations only accepting btc as their payment method except others currencies Btw i guess, day by day eth and btc both will increase & thus percentage of dominating btc would be same as now.
There's no need to race and comparison for these two. Bitcoin is always far and superior from ethereum and that's the reality that everyone has to accept.
No matter how huge the gain of Ethereum, there will always be the time that bitcoin will have its own huge gain too. And that makes the market better if the gain starts from bitcoin.