The Blackheath & Bromley athlete ran a PB of 7.10 .
Dafne Schippers was even faster as the Dutch sprinter sped to a 7.07 PB , while Germany 's Verena Sailer has also arrived in Prague in top form as she won her heat in a PB of 7.10 .
The Blackheath & Bromley athlete ran a PB of 7.10 but Dafne Schippers was even faster as the Dutch sprinter sped to a 7.07 PB , while Germany 's Verena Sailer has also arrived in Prague in top form as she won her heat in a PB of 7.10 .