| Distance | 50.0 mi |
| Distance (metric) | 80.5 km“The Big Loop is 25 miles (26.2 for marathoners).” source |
| Course type | multi-loop“Hundred-milers complete the course four times and 50-milers twice.” source |
| Net elevation | 0 ft“Hundred-milers complete the course four times and 50-milers twice.” source |
| Nearest town | Lawrence“798 N 1402 Rd, Lawrence, KS 66049” source |
| State | KS“798 N 1402 Rd, Lawrence, KS 66049” source |
| Country | US“798 N 1402 Rd, Lawrence, KS 66049” source |
| Race starts at | Clinton Lake State Park, Lawrence KS“The page gives "Clinton Lake State Park, Lawrence, Kansas"” source |
| Nearest major airport | MCI“"Kansas City International (MCI)" is the nearest major airport.” source |
| Driving distance to airport | 48.6 mi“"distance":78202” source |
| Aid stations | 9 |
| Drop bags | yes |