While there's isn't much knowledge of the specifics of the race, he does find out that the race runs for about a quarter of a mile, through the streets of Tephu, starting at the Palace of Gentle Reeds. The knowledge of the general layout of the area, from what they've seen on it, will give him an advantage in the upcoming race; once during the race, he'll be able to reroll a single attempt, taking the second result, even if it's lower.