You can follow the below steps to run deep in online poker tournaments:
Try to defend your big blind as much possible as you can.
Be aware of the 4-bet shoves
Avoiding going for bluffs blindly
Calculate a rough plan for each outcomes.
Utilize this steps if you want to run deep in your poker tournaments. Apart from these, if you want to participate in real money poker tournaments and want to earn huge cash prizes, you can register yourself with pokerlion and start participating in their grand poker tournaments.