Sometimes we use certain symbols, which appear beside a performance, to further
explain a performance.
- a course slightly downhill (net drop is over 1.0 metres/km but less than 5.0 metres/km). Such performances are still eligible for rankings but not for records.
- A at altitude.
Note that we do not record altitude-converted times.
- w wind-assisted
- # over-sized track
- c chip time. When no gun time is available
- i indoor
- + split time e.g. a 1500 time in a mile race.
- e estimated time
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