Which sentence is correct?

1. I discovered that i prefer running than jogging
Or
2. I discover that i prefer running than jogging

( i just discovered today that i like running rather than jogging so which sentence is correct?) 
Thanks for your help!

2021-04-07T02:54:50Z

I discovered that I prefer running to jogging.

Anonymous2021-04-06T14:21:14Z

Neither.

I discovered that I prefer running to jogging.

CB2021-04-06T13:54:09Z

I discovered that I prefer running more than jogging.  (or swap more with rather).