There are many ways to reach the Iridium Level in Marathon Maniacs. One of the ways is to do 2 Marathons in 2 days (or 48 hours) and you must finish both races.

Joline Cox (MM15462 DA3619 HF18373)
So excited I ran 2 marathons in 2 days this weekend. White River Marathon and Little Rock Marathon




Photo and Post Credit Joline Cox