Carriage driving has never stood still. Our carriages have changed, our safety equipment has changed, our rules have changed and the way we train and condition our horses has changed. Perhaps one of the biggest changes of all, however, has been in the marathon. As our sport continues to evolve, it is worth reflecting not only on how far we have come, but also on what that evolution might mean for the way we design and officiate our marathon courses in the future. For those of