Yes, This is also high on my list…
I have to get to Antarctica – and don’t plan on swimming, or sailing a small craft there. So… options? Cruises are the mode that comes to mind. I am looking into this further. Meanwhile…
There is a marathon or half marathon that could be combined with this… one of marathons requires running in crampons. Wow.
One of these is starting December 10, 2022, (20K) and another is scheduled for Spring 2023.
Ping me if you want to sign up: https://www.icemarathon.com/event
There of course is also the well known 7 Marathons in 7 Continents in 7 Days. This one is not on my list. https://worldmarathonchallenge.com/