X0101 EFFECT 33 LIVE 2017-05-02 0001398344-17-005009 485APOS 0001221482 STADION INVESTMENT TRUST 333-103714 S000010547 Stadion Managed Risk 100 Fund C000035383 Class A S000010547 Stadion Managed Risk 100 Fund C000080416 Class C S000010547 Stadion Managed Risk 100 Fund C000089760 Class I S000010549 Stadion Tactical Defensive Fund C000035385 Class A S000010549 Stadion Tactical Defensive Fund C000080417 Class C S000010549 Stadion Tactical Defensive Fund C000089761 Class I S000036657 Stadion Trilogy Alternative Return Fund C000112041 Class A Shares S000036657 Stadion Trilogy Alternative Return Fund C000112042 Class C Shares S000036657 Stadion Trilogy Alternative Return Fund C000112043 Class I Shares S000039527 Stadion Alternative Income Fund C000121839 Class A Shares S000039527 Stadion Alternative Income Fund C000121840 Class C Shares S000039527 Stadion Alternative Income Fund C000121841 Class I Shares S000040213 Stadion Tactical Growth Fund C000124991 Class A S000040213 Stadion Tactical Growth Fund C000124992 Class C S000040213 Stadion Tactical Growth Fund C000124993 Class I