Geez that's fancy. Gymkana's at motorcycle rallies in Australia are much more fun. Held in a big paddock and usually involve a beer or 2.
Your version is so nice.
Minibike soccer the kicker on the bike and the catcher win a beer!
Blind reverse quad races.
Postie bike musical beer cans.
Beer can on 44 figure 8 racing.
The classic slow race
The log jump
Sidecar circle races (nb beer truck)