The Second Annual running of the Swamp House Half Marathon and Swamp House 5k will take place on March, 3rd, 2013. You will definitely want to be a part of this great half marathon or 5k. The race will be followed by the best after race party you have ever been a part of. If you have ever wanted to run through real "old Florida", then this race venue is for you. The Second Annual running of the Swamp House Half Marathon and Swamp House 5k will take place on March, 3rd, 2013. You will definitely want to be a part of this great half marathon or 5k. The race will be followed by the best after race party you have ever been a part of. If you have ever wanted to run through real "old Florida", then this race venue is for you.