My Legs are Jello

I guess I am just tired from a long weekend back home with the hubs and the 6-7 hour car ride home....but my legs are jello today.  I ran 3 miles in the am and then did my normal cycle class and yoga class after work.  I almost didn't make thru yoga.  I was so worn out.  By bedtime last night I could feel the jello coming.  I totally did not get up to run this morning, because I was so worn out and walking around this morning I hardly have any legs under me.  Hopefully, by this afternoon my legs will be okay to run 5m.