The Elemental Challenge 5K mud obstacle course will be held at 1713 Prospect St in Knoxville on June 14th. This event is open to anyone 13 years of age or older and all proceeds for the event will be donated to the Marion County Humane Society. The 5K mud obstacle will consist of over 15 obstacles, mud, water, hills, climbing, crawling and other surprises. Attendees are encouraged to bring an extra pair of shoes, change of clothes, a towel and…