Table 3.
Overview of the top 25 countries by participation (number of records).
| Country | Number of races | Number of records | Number of unique names | Mean race time (h) | Race time, STD (h) | Race time, min (h) | Race time, max (h) |
|---|---|---|---|---|---|---|---|
| United States | 442 | 274,553 | 124,646 | 13.36 | 1.75 | 8.29 | 17.96 |
| United Kingdom | 435 | 55,410 | 29,852 | 13.04 | 1.65 | 8.53 | 17.08 |
| Canada | 428 | 38,264 | 18,074 | 13.03 | 1.73 | 8.4 | 17.84 |
| Australia | 409 | 37,571 | 16,836 | 12.26 | 1.67 | 8.65 | 17.06 |
| Germany | 427 | 32,662 | 16,240 | 11.74 | 1.51 | 8.21 | 17.59 |
| France | 415 | 27,873 | 16,293 | 12.11 | 1.54 | 8.32 | 17.03 |
| Spain | 357 | 17,009 | 9788 | 12.07 | 1.58 | 8.12 | 16.96 |
| Sweden | 345 | 14,640 | 7057 | 12.09 | 1.48 | 8.52 | 17.84 |
| Brazil | 356 | 14,408 | 7911 | 11.86 | 1.59 | 8.5 | 17.54 |
| Austria | 321 | 12,792 | 6267 | 11.68 | 1.50 | 8.62 | 16.94 |
| Italy | 368 | 12,702 | 6236 | 12.09 | 1.48 | 8.6 | 16.84 |
| Mexico | 374 | 11,941 | 6211 | 13.23 | 1.65 | 8.61 | 17.09 |
| Denmark | 317 | 11,874 | 6469 | 11.59 | 1.40 | 8.38 | 17.13 |
| New Zealand | 323 | 11,092 | 5538 | 12.70 | 1.75 | 8.06 | 17.64 |
| Japan | 380 | 10,249 | 4990 | 13.46 | 1.82 | 8.34 | 17.01 |
| South Africa | 328 | 9675 | 5732 | 13.29 | 1.65 | 8.7 | 16.97 |
| Belgium | 344 | 8444 | 3896 | 11.48 | 1.47 | 8.27 | 17 |
| Switzerland | 374 | 7570 | 3381 | 11.62 | 1.49 | 8.4 | 16.89 |
| Ireland | 355 | 6337 | 3625 | 12.54 | 1.65 | 8.43 | 17.04 |
| Argentina | 331 | 5470 | 2679 | 12.10 | 1.59 | 8.56 | 17.32 |
| Netherlands | 345 | 4750 | 2841 | 11.83 | 1.50 | 8.28 | 16.99 |
| Finland | 241 | 3497 | 1785 | 11.68 | 1.40 | 8.54 | 16.59 |
| Poland | 290 | 3438 | 2005 | 12.01 | 1.52 | 8.78 | 16.75 |
| Russia | 255 | 3163 | 1953 | 11.91 | 1.50 | 8.37 | 17.05 |
| Israel | 256 | 2952 | 1884 | 12.74 | 1.59 | 8.67 | 16.89 |