If there is a colony on a planet I imagine new sports will develop from living in a new environment. I think that football and Baseball will still be around. They are all ready over a 100 years old now, and they don't seem to be any less popular.
cricket!!
100
== ==
football
Soccer/cricket/rugby/wrestling probably a few more, 100 years isn't all that long ago
FEI- British Equestrian Federation
For most geological processes, 100 years is a very short time, so to answer your question, no.
The fastest turn-around time for communicating with a civilization 100 light years away would be 200 years, as it takes light 100 years to travel from Earth to the civilization and another 100 years for their response to reach us.
have no clue
There are heaps
Some of the sports that were there 100 years ago include horse racing, soccer and golf. Polo also emerged in the late 1800s.
100 years.