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


• m   means the position mid-race at the time a split time is taken

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