Well my idea is this, and it will probably show up somewhere else first because I'm sharing this here, but hey whatever. Freeware right?
I'll use a "Start" area with two floating docks across from each other in a straight line. Those will have a green Red Bull air race pylon object on each of them. That's the starting point. Then in a straight line about a three mile run or so away, is a single floating dock, with another Red Bull air race pylon on it. That's turn #1. Then turning to the left, another 3 miles or so away, another dock, another pylon and that's turn #2. Then again turning to the left, another 3 miles away, another dock, another pylon and another turn this time #3. Finally it turns left towards the starting point to complete the rectangle course.
Laps are run inside this pattern for the race. Say three laps? I don't know how powerboat regatta's work but we'll say the race is 3 laps. First driver across at the end of lap three wins the heat. Depending on how many interested online racers we have signed up for a given boat race event, heats are run and winners of those heats move on to the finals.
If there are 12 people that sign up, then the final would have four boats competing for the event win. That would mean we had 4 heats with three boats in each heat. Only the winner advances to the final.
The other scenery additions I'd have would be small boat's lining the course as spectators. Add crowds of people along any shoreline close enough to the course to watch. Put some hot air balloons and other decorations in. Lot's of concession tents, cars parked, etc. You get the picture.
So we'd need to organize an online session with people that have those boats installed and the scenery for the race area installed. Organize the race into 3 or 4 heats depending on how many entries we get. Run the heats and track the results. Run the final and crown a champion!
The inaugural "Misty" cup goes too.....