"The Magic Mile is a free running challenge pitting runners against the clock over the iconic distance of one single mile. It's an event that is open to runners of all abilities. Participants run one mile in an organised Magic Mile event, or other mile event, or run their mile solo in their own time wherever they like." (quote from Marathon Talk)
The Magic Mile is FREE and you can register for it on the Marathon Talk website by clicking this link and join the UK Run Chat team by clicking this link.