The Boon stacks with Warrior 2h rune (https://www.wowhead.com/classic/spell=430472/single-minded-fury) giving him 132% movement speed.
Boon and feline swiftness are both aura effects.
Same with Aspect of cheetah.
Single minded fury is not an aura effect. And therefore it stacks. Go and check the flags on wowhead.
Then I guess I’m getting a warrior 
Do that, they are monsters! So glhf but it has nothing to do with that interaction!