YouTuber ibxtoycat, who currently holds 5th place for fastest completion of Minecraft, discovered this seed for Minecraft beta 1.16. This is a top 1% seed for speed running that you should definitely check out.
You'll be able to quickly find chests with food, swords, and more after spawning, which is a great start for speedrunning or playing in general. There's much more to be had, so watch the video to learn more about this great seed.