Del Mar Racetrack Opening Day 2025. The california horse racing board is scheduled to meet in del mar on thursday with proposed racing dates for 2025 as a primary issue on the agenda. Here’s what you should know before attending the sold out event.

To help bid the races goodbye, join the closing day festivities. The del mar thoroughbred club 2023 summer racing season will run friday, july 21st through sunday, september 10th.