The holder of the Australian under-16 100 and 200 m records, Gout ran 10.57 seconds for the
100 m as a 14-year-old in 2022. The following April, at the age of 15, Gout first broke the Australian under-18 men's
200 m record. He ran 20.87 seconds to win the under-18 men's 200 m final at the Australian Junior Athletics Championships in
Brisbane in April 2023.
2024 Gout ran a personal best time of 10.29s to win the U18 Boys 100 m at the Queensland Athletics Championships in Brisbane, in March 2024. He won the Australian U20 100 m title in Adelaide in April 2024, running a time of 10.48 seconds. He represented Australia at the
2024 World Athletics U20 Championships in
Lima, Peru, where he won the silver medal in the 200 metres in August 2024 in a personal best time of 20.60 (−0.7 m/s). On 18 October he competed in the 2024 GPS Track & Field Championships, winning the 200 and 400 m double with times of 20.86 seconds for the 200 m, and 47.57 seconds for the 400 m. On 28 October, he signed his first contract with
Adidas. At the Queensland All-Schools Championships in the first weekend of November, he clocked a time of 20.29 (+1.2 m/s) in the heats of the 200 m. In addition to achieving the
Oceanian U20 record, he became the fourth fastest Australian over this distance and the fastest since 1993. This performance placed him fourth in the world all-time youth performance rankings, behind
Usain Bolt and
Puripol Boonson. On 6 December, at the 2024 Australian All Schools Athletics Championship, he ran a personal best time of 10.04 (+3.4 m/s) in the 100 m to win his heat. This time was the fourth-fastest U18 time in the world and the fifth-fastest all-time 100 m run by an Australian. He backed this up by winning the final in 10.17 (+0.9 m/s), breaking the Australian U18 record, which had been held by Australia's reigning men's senior champion
Sebastian Sultana. The next day, in the 200 m final, Gout ran 20.04 seconds. This time ranked as the second-fastest U18 performance of all time (behind only
Erriyon Knighton) and made Gout only the second U18 athlete to surpass
Usain Bolt's record in this category. Gout's time also broke the Australian and Oceanian record of 20.06, previously held by
Peter Norman, who had set his record time while taking the
silver medal in the
200 m Final at the
1968 Summer Olympic Games in
Mexico City.
2025 He finished runner-up to compatriot
Lachlan Kennedy in the 200 metres race at the
Maurie Plant Meet in Melbourne on 29 March 2025. On 13 April 2025, he won the 200 metres race at the
Australian Athletics Championships in a wind-assisted 19.84 seconds (+2.2 m/s) in Perth. He made his debut racing in Europe at the
Golden Spike Ostrava on 24 June 2025, where he lowered his own area record for the 200 metres set six months previously, by winning in 20.02 seconds (0.0 m/s) ahead of
Reynier Mena of Cuba. In September 2025, he was a semi-finalist in the 200 metres at the
2025 World Championships in
Tokyo, Japan, finishing third in his heat in 20.23 seconds and fourth in 20.36 in his semi-final, without advancing to the final. The following month, he lowered his personal best for the 400 metres to 46.14 seconds whilst competing in Brisbane.
2026 In his first 100 metres race of 2026, Gout set a new Australian under-20 record of 10.00 seconds (+0.9) at the Dane Bird-Smith Shield Meet in Brisbane in February 2026, surpassing the previous record set by
Jake Doran in 2018. It also equalled the fastest time ever recorded by an Australian on home soil. In April, he retained the Australian national 200 metres title with a new Australian 200m record and
world under-20 record time of 19.67 seconds (+1.7). The time placed him 16th on the world all-time list. ==Achievements==