No, you're not too late. The current price of Bitcoin is down. You can invest your money now, and wait until the price goes up. Then you will get a profit.
It will never be too late as long as you can start entering now, do it as early as you can. Starting something is never too late it depends only on the person that is involved.
Sample is even your not on the first 10 of the first batch you can still be successful on what you enter, just be smart on it and always strive for something new ideas that will help you to make your money big.