No there isn't.
The Olympic, and for that matter, any, biathlon, consists of two events. In the case of the Olympics, these two events are cross-country skiing and rifle shooting.
There are various different Olympic snowboarding events with different rules for each. A consistent rule is that the contestants must not have taken any performance enhancing drugs.
Any winter Olympic games in Romania.
In ancient times, no. But in today's world, definitely. There are events for women to compete in in ALL olympic events, from hockey to pole-jumping.
Olympic alternates don't get medals in team events, unless at some point in time they participate in the event to any extent. The alternates aren't alone however, coaches don't get medals either
Probably the same as any average since there are events for all sizes
China Dominates ping pong year after year.
Any gender with any other gender can be in a relationship
No. Seoul, South Korea hosted the 1988 Summer Olympics but North Korea did not host any of the events that year and has never hosted an Olympic Games.
A number of gymnastics events: pommel horse, high bar, rings. In sailing the women don't sail the same boats. Decathlon.