US Marathon National Championships - Firecracker 50 2009 last updated 28 August 2019 Latest News from the Race Irmiger & Horgan-Kobelski crowned new US marathon national champions Races US Marathon National Championships - Firecracker 50 2009 4 July 2009 | Breckenridge, Colorado, USA Marathon - Irmiger & Horgan-Kobelski crowned new US marathon national champions | Breckenridge, Colorado - Breckenridge, Colorado 2009-07-04