There are handicap rules built into Tom. Please read the rules to ensure that you not the cause of your horse not being able to run over the correct distance.

In NH a horse can run in a graded handicap provided it has placed in the 1st 3 over another distance. For example grand National trial over 3m4 horse finishes 2nd. It will be allowed to run in the grand national, but we will need to enter it manually