Mezue ahịrịokwu na-esonụ: Na Jenụwarị 14, 2012, Flanagan meriri na U.S. Olympic Trials Marathon na Houston, na-etinye ihe ndekọ ihe omume ahụ na 2:25:38. Ọ gara n'ihu na-anọchite anya Team USA na marathon Olympic nke ụmụ nwanyị na London, na-agwụ 10th na oge nke 2: 25:51. O meriri ndị na-agba ọsọ n'ọkara marathon nke Lisbon na Machị, na-edekọ oge nke 1:08:52. Ọ bịara na 25th na
2012 IAAF World Half Marathon Championships.