All parkrun events use age grading to allow parkrunners to compare results. Age grading takes your time and uses the world record time for your gender and age to produce a score (a percentage).
Age Grades are calculated to allow rough comparisons between our participants, and should not be taken too seriously. For example, age grading makes no allowance for different weather conditions or the varying terrains of our courses.
We do not share the actual table used to perform the calculations but it is loosely based on the tables produced by WMA, previously known as WAVA.
| Age graded Percentage | guidelines as stated by the WMA |
| Above 100% | Usually, at least, a record setting performance for that age and distance |
| 100% | Approximate world record level |
| Above 90% | World Class Level |
| Above 80% | National Class Level |
| Above 70% | Regional Class Level |
| Above 60% | Local Class Level |
Finally parkrun age grade values are based on established, international proxy metrics, which are currently only available for male and female categories. Should a participant select “prefer not to say” or “another gender identity”, gender-related data will be absent.