An event that started in 2008, drawing just over 300 participants has nearly doubled in size every year since... Today, the Havasu Half Marathon draws participants from around the country and around the globe. The Havasu Half Marathon takes participants across the World Famous London Bridge and each year we make improvements to the event to make it bigger, better, and different…

A new addition to the io|events' repertoire, the Arizona Plunge-N-Run is an aquathlon featuring a 1,000 meter swim and followed up with a 5 mile trail run. This event is purposely designed to be challenging - so if you're a whiner we recommend you stay home.

Dress up, Have Fun, and Run; the Recycled Halloween Fun Run is a fun race and your chance to set a PR dressed up like Captain Underpants... We wish we could say the course is easy – but it isn't. The race takes place in the infamous SARA Park – hey, it's Halloween, we needed to add something scary...