| world record for running a marathon | 1.1 | 0.5 | 5028 | 35 | 68 |
| world record for running a marathon backwards | 1.13 | 0.2 | 2513 | 45 | 8 |
| world record marathon running shoe | 0.64 | 0.9 | 2709 | 34 | 60 |
| world record for running a mile backwards | 0.13 | 0.6 | 8076 | 41 | 16 |
| running backwards world record | 1.59 | 0.2 | 5808 | 30 | 39 |
| world record for a marathon | 0.06 | 0.3 | 4794 | 27 | 71 |
| current world record for a marathon | 1.34 | 0.6 | 3743 | 35 | 27 |
| who holds the world record for marathon | 1.24 | 0.8 | 4026 | 39 | 27 |
| marathon run world record | 1.29 | 0.9 | 7610 | 25 | 1 |
| world record marathon runner | 1.56 | 1 | 5646 | 28 | 10 |
| what is the marathon world record | 1.47 | 0.5 | 756 | 33 | 56 |
| latest world record in marathon | 1.76 | 0.1 | 8925 | 31 | 8 |
| marathon world record wiki | 0.8 | 0.1 | 8159 | 26 | 83 |
| marathon world record progression | 0.72 | 0.2 | 5780 | 33 | 91 |
