* AFIS100Years100Cheers: #50
* CastTheExpert: George "the Iceman" Woolf is played by Gary Stevens, a real-life Kentucky Derby-winning jockey.
* NightmareFuel: In the book, the descriptions of all the stuff jockeys did to stay thin.
* RomanceOnTheSet: Tobey Maguire met his jewelry designer wife on the set.
* WhatCouldHaveBeen: The second Santa Anita race, as described in the book, is [[spoiler:simultaneously one of the greatest and most heartbreaking episodes in Seabiscuit's career]], but is missing from the movie.
* ExpectingSomeoneTaller: War Admiral is described as being 18 hands high, while Seabiscuit himself is described as being "barely fifteen hands". In reality, Seabiscuit was 15.2 and War Admiral only an inch taller at 15.3.