Cathal Dennehy

“Bicarb has been around a long time and the performance benefits have been known, but there's always been this huge risk because of the GI issues...explosive diarrhea is one of the symptoms.”

Sharlene Mawdsley Sharlene Mawdsley produced a brilliant performance to come from behind and claim victory over 400m at the Gala dei Castelli

There was a breakthrough run by Luke McCann over 800m

Rhasidat Adeleke, after the women's 400m Olympic final at the Stade de France. She'll be hoping to close the gap on her biggest rivals in the Diamond League final in Brussels.

Rhasidat Adeleke. (Photo by Marcin Golba/NurPhoto via Getty Images)

The 22-year-old crossed the line fourth but Olympic silver medallist Salwa Eid Naser, who'd finished third in 50.64, was soon disqualified for a lane infringement.

Alistair Cragg ran two seconds faster than Gidey's time in New York in 2011, clocking 1:00:49, which was not ratified as an Irish record due to the course's net elevation drop.

Efrem Gidey set a new Irish record in the half marathon in Copenhagen this morning, the 24-year-old clocking 1:00:51 to finish 15th in a race won by Kenya’s Sabastian Sawe in 58:05.