My suggestion if you want it. As much as I like the jumping and timing part of this game, the q2 jumpmod would be a much better place for this as there is a start/end and a good system already in place. If someone that has the server files from past q2 servers (clipz, ic3y recently) would want to start this up again, but with maps from dp instead of quake. The problem is then adding the correct ents and spawns as most mappers aren't around anymore. Something like this would be more successful and more accurate. Possibly add versions of popular maps where a specific spawn is picked, and the opposite flag is turned into the end point. Could be fun, but would be a chore.
Overall, cool idea that could be expanded into a fun minigame that might actually fit the game better than a jump mod would. I know the jump feature is old news, but something like this might be a little more realistically considered to be added to the game.