Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Name | Nationality | Time |
| --- | --- | --- | --- |
|  | Brahim Boulami | Morocco | 8:17.73 |
|  | Reuben Kosgei | Kenya | 8:18.63 |
|  | Stephen Cherono | Kenya | 8:19.98 |
| 4 | Bouabdellah Tahri | France | 8:20.25 |
| 5 | Tim Broe | United States | 8:20.75 |
| 6 | Luis Miguel Martín | Spain | 8:24.03 |
| 7 | Raymond Yator | Kenya | 8:27.19 |
| 8 | Thomas Chorny | United States | 9:24.26 |
Question:
what is the average time of the medal winners?
Answer:
8:18.78