Utah Pirate Festival: September 12 - 14, 2014
Thanksgiving Point Renaissance Festival: September 26th & 27th, 2014 Just in time for my birthday. I'm hoping to report back on this one!
Utah Renaissance Festival: Last year this was a four weekend event in Marriot-Slatterville. Should come up in May of 2015
Intermountain Renaissance Art Foundation: www.ReneaissanceArts.org
This is a great link for general information about renaissance arts in Utah.