Chafing and abrasions reported in the marathon literature
| Event | Method of study | Number of race entrants | Number of study participants | Number of people affected |
|---|---|---|---|---|
| *Percentage based on number of entrants in study. | ||||
| †Percentage based on number of entrants in race. | ||||
| New York City Marathon (1979)38 | Review of medical records from medicine and podiatry tents | 14153 | 635 | 3 (0.4%)* |
| London Marathon (1982)47,48 | Report of runners treated at first aid stations during race | 1700 | Unknown | 10 (0.5%)† |
| Twin Cities Marathon (1982–94)52 | Review of medical records from first aid tents | 81277 (total for all years) | 1534 | 27 (1.9%)* |
| Auckland Citibank Marathon (1993)60,61 | Cohort study; questionnaire 2 days before marathon to assess risk factors, post-race questionnaire 1 week after race | 1219 | 875 | 140 (16%)* (chafing) |
| 13 (2%)* (abrasions) | ||||