| Attrition for students participating in marathons | Total attrition from academic institution | Year | ||
| % | Number | % | Number |
|
| 3.0% | 19 | 7.1% | 200 | 2012 |
| 2.5% | 17 | 7.8% | 260 | 2013 |
| 3.2% | 21 | 7.5% | 310 | 2014 |