The discus pulled at an angle at the Olympic Stadium in Berlin and was close to going outside the throwing sector to the right and flames were fired at the impact.
When it was measured, Allman jumped out of anticipation in the ring and could rejoice when the result came up on the board after the giant throw in the first round.
"Dream season", she writes on her Instagram.
Hard 1980s dominated branch
The branch is heavily dominated in the 1980s.
East German Gabriele Reinsch holds the world record of 76.80 from 1988. The eleven best throwers on the world best list of all time competed for Eastern European countries in the 1980s.
The only practitioner since 1992 who has thrown longer is the Croatian Sandra Perkovic who threw 71.41 four years ago.
The men had no discus in Berlin, where no Swedish participant was present.
In Armand Duplanti's absence, Sam Kendrick's pole vault won by 5.91 ahead of American compatriot Chris Nielsen, who had the same height.
Both tried at 6.01 without success.
Karsten Warholm won the 400 meter hurdles in 48.08 after being quite dumb in the race.