Organisers say the boys’s and ladies’s Olympic triathlons solely have a 60% likelihood of going forward on Wednesday after the boys’s occasion was postponed on Tuesday.
Checks of the River Seine within the early hours of Tuesday morning revealed the water was not clear sufficient for the race to happen.
It’s now set to be held on Wednesday at 09:45 BST (10:45 native time), after the ladies’s occasion, which is scheduled to begin at 07:00 (08:00 native time).
Ultimate checks of the water might be taken at 02:30 BST.
World Triathlon president Marisol Casado had beforehand mentioned there was an 80% likelihood the boys’s triathlon would happen on Tuesday.
However after the race was postponed she defined “sadly it was the 20%” that had received out.
When requested what the possibilities are of Wednesday’s triathlons taking place, Casado instructed BBC Sport the chances are “60-40” in favour of them happening.
“We actually need this to occur. However in fact we actually thought that this recuperation [the improvement in the water quality] can be quicker than it was,” Casado mentioned.
“We have been shocked this morning after we noticed that it was not as quick as we needed.”
The lads’s race had been attributable to begin at 07:00 BST (08:00 native time) on Tuesday.
Whereas Friday, 2 August stays a back-up date for each the women and men’s races, organisers say the occasion might be contested as a duathlon – simply the biking and working legs – as a final resort.
Nice Britain’s Alex Yee is likely one of the favourites for gold within the males’s race, whereas team-mate Beth Potter is the reigning girls’s world champion.