What was the record number of runners in the 1929 Grand National?

The 1929 Grand National is notable for having the largest field of runners in the event's history, with a remarkable total of 66 horses participating. This record highlights the significance of that year in the context of the race, as the Grand National is known for attracting a large number of entries each year. The competitive nature of the race, along with the excitement surrounding it, played a key role in bringing together such a large cohort of runners. This figure remains a highlight in the history of the Grand National, making it an important reference point for both racing enthusiasts and historians.