Here are the top three world record holders for Subway Surfers: Harshal Gavali 2,147,483,647 points. Karim Mayur 2,000,001,660 points. Ruhanul I 1,706,059,214 points.
This is a list of times I used to calculate the time for 1M in different multipliers: Multiplier 1: 7 hours 19 minutes 19 seconds. Multiplier 2: 3 hours 40 minutes 55 seconds. Multiplier 3: 2 hours 27 minutes 23 seconds.