There's another thread about this but it goes 5 deep with 1k to the 5th place finisher.
Check this out for more info!
4. Will prize money be available to the winners?
We are offering a total purse of $30,000 in prize money. Top male and female finishers will receive $4,000 each, and we are offering an additional $1,000 to the top male and female runners who break the current Mississippi Marathon records of 2:23:44 (male) and 3:04:02 (female). Prize money will also be awarded to the top finishers from the Jackson metropolitan area, comprised of Hinds, Rankin and Madison counties.