Disappointing news for Gout Gout fans as Aussie team is named for World Athletics championships - and one of Australia's favourite runners reveals her heartbreak

Fans of track sensation Gout Gout will be disappointed to learn he's only contesting the 200m individual sprint after Australia's team for this month's World Athletics Championships was announced on Wednesday.

Reigning Olympic pole vault gold medallist and defending world champ Nina Kennedy and high jump gold medal favourite Nicola Olyslagers are among the biggest names in a star-studded squad.

Gout Gout will make his senior global championships debut in the 200m as one of eight medallists from last year's world juniors in Peru who are taking the big step up to the Tokyo squad.

However, the teenager will not be a part of the 200m relay team due to school commitments - and he will not be contesting the 100m sprint as he didn't compete in the event at the national championships, which was the qualifier for the worlds.

The Australian team for the September 13-21 event is even larger than the 86-strong track and field outfit which wore the green and gold on home soil at the 2000 Sydney Olympics.

The 2025 squad is peppered with genuine medal chances, none more so than Olyslagers, who sits atop the 2025 world rankings after setting a national record of 2.04m at last week's Diamond League final in Zurich.

'This season has been a great build-up for Tokyo. I do want to do another personal best, but I haven't put a limit on what that is because I want to trust God for the greater heights,' Olyslagers said.

'My life changed forever the last time I competed in Tokyo for the Olympics (when she won silver in 2021), so even sharing that stadium this time with my family and friends will be a moment I'll never forget.'

After undergoing major hamstring surgery in April, Kennedy will be making her 2025 season debut in Tokyo, but still reckons she can challenge for a spot on the podium.

The only Paris Games medallist missing out this time around is walker Jemima Montag, who had hamstring surgery last week.

The most prominent athlete to miss out was reigning Commonwealth 1500m champ Olli Hoare, with Jude Thomas and Adam Spencer preferred alongside the pre-selected young gun Cameron Myers.

Despite the late withdrawal of sub-10 second man Lachlan Kennedy with a back injury, the sprint stocks are strong, headed by Gout in the 200m, evergreen Rohan Browning in the 100m and Torrie Lewis, who is doubling up in the women's 100m and 200m.

Aussie hurdler Michelle Jenneke posted about her heartbreak after missing out on the event by the barest of margins.

'Sometimes you don’t get that fairytale ending,' she wrote on Instagram.

'Unfortunately I was 0.08 seconds short of qualifying for world champs this year. Pretty tough to get so close and miss out but incredibly proud of what I’ve been able to achieve considering a rocky past 12 months.'

For the first time ever, Australia will also be represented in all five relays at the global meet.

'We've witnessed a real shift, not just in performance, but in national relevance,' said Australian high performance boss Andrew Faichney.

'This team reflects that change. They're world-class athletes with the results to match, but just as importantly, they're carrying the momentum of a sport that has so much belief behind it.'

There is still one appeal to be decided in the women's 5000m.