How to keep in running shape while facing a 16-day quarantine situation

The title basically sums it up, I currently live in a country that requires a 14 day quarantine upon re-entry which is strictly enforced (so there really is no leaving my apartment) regardless of vaccinations etc. I would like to see my family for the first time in years during Christmas this year, so I will likely face 14 days of quarantine + 2 days of traveling upon return, meaning I cannot run for a total of 16 days. I currently run a minimum of 4 days a week and have consistently done so for over two years.

I guess some of you can understand that the idea of not running for more than two weeks is quite daunting to me, as it took a really long time for me to get to my current running form. I went from being very injury prone to a really comfortable running form, and it's quite important for my mental health to maintain this.

Long story short, I would really appreciate some ideas on how to tackle this quarantine period. I will quarantine in a very small city apartment so my means will be limited. I thought of buying something like Ring Fit Adventure for the Nintendo Switch to have some indoor exercise. However, my average running distance is 10km and I struggle to think of any indoor exercise that can replace this level of exertion.

Any ideas/advice/similar experiences would be greatly appreciated!