I love Skerps RC mod, But I've noticed there aren't many racetracks around for it.. So I decided to make a world full of various racetracks designed for it.
Its a work in progress, At the moment there are only 4 tracks: Forest Run, Minecraftia Raceway, A scaled down version of Super Mario Karts Rainbow Road and Village run. (If you can think of more creative names please tell me.. ;-;) The world also includes a runway with flashing lights and a Helipad. I plan to make quite a few more racetracks, Including some for the boat and some rings in the sky for the planes, So keep an eye on this post if you want to see more!
I suppose you could also use this for Flans Mod if you modify the tracks a bit..

This would be great fun on a server, The tracks have places for 8 people but you can make more if you like.
Starting a race on multiplayer:
-Its a good idea to have one person designated as a 'Race master', Who starts the race and makes sure no one cheats.
-Make sure every entrants vehicle is on a grid place, Then flick the switch nearby.
-After the note-block countdown, The barrier will drop and the race can start.
-I suggest you do at least 3 laps, I may add a system to track this in future..

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TO GET THE BEST FROM THIS MAP, YOU NEED SKERPS RC MOD
thercmod-minecraft.net/downloads.html
Dont forget, You need forge for the RC mod!
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How to install:
Simply extract the .rar, And drop the folder in roaming/.minecraft/saves

Feel free to drop a comment, Or suggest any improvements!