Video Sharing Websites
Hundreds of thousands of videos of all kinds are being uploaded on these websites every day. There are going to be tons of NASCAR videos as well and you can look to find your favourite ones that you want to watch again. The best way would be to search with the date that the race took place on. You can also search videos of specific drivers with their names.
You can get these races on DVD as well. Look for a compilation of races on a DVD. Such DVD’s are available every now and again as they are always being released. Most of these will have the tightest finishes of this year or a previous year. If you are just looking to watch some NASCAR, these are ideal. If you are looking to watch a specific race, then you will have to search for the DVD that has that particular race.
These are often available online. You can go through the archives and look for the particular race or races that you want to see. You will most likely be able to find it as almost everything is archived. Though you may have to pay to watch in certain cases. If you are an enthusiast, it’s worth it.
Cable / Dish Service Provider
You can also check with your cable or dish service provider. They may have these available and you can watch it on pay per view. They will likely have a large collection of all kinds of sports and NASCAR racing being extremely popular, there is no reason why they will not be offering the viewing.