The TW 50k Ultramarathon is an ultramarathon run on the 2nd Saturday of April from Cocoa Plum Circle in Coral Gables, Florida to the tip of Key Biscayne, Florida. It is named after the race founders Tom Brockland and Wayne Wright. It is an out and back run for a total of 50 kilometers or 31 miles.
Map for the TW 50K [1]