He won a silver medal at the
2022 NACAC Championships in
Freeport, Bahamas over 800 metres. He competed at the
2022 Commonwealth Games in
Birmingham, England in the 800 metres. In June 2023, he lowered the national record for the 800 metres to 1:45.95 whilst running at the NCAA final in
Austin, Texas in 2023. He won the gold medal over 800 metres at the
2023 NACAC U23 Championships in
San Jose, Costa Rica. He won the gold medal in the 800 metres at the
2023 Central American and Caribbean Games in
San Salvador in July 2023. He competed in the 800 metres at the
2023 World Athletics Championships in
Budapest. He competed in the 800 metres at the
2024 Summer Olympics in Paris in August 2024. In April 2025, Roban set a new Saint Vincent and the Grenadines national record in the 800m, running 1:45.16 at the Florida Relays. He lowered that record in June to 1:45.05 at the Portland Track Festival. Roban won the gold medal in the 800 metres at the
2025 NACAC Championships in
Freeport, The Bahamas in a new national record 1:42.87, which also broke the championship record held previously by
Ryan Martin. It was the first gold medal ever won by St Vincent and the Grenadines at the event. He competed at the
2025 World Athletics Championships in
Tokyo, Japan, in September 2025 in the
men's 800 metres. He was a semi-finalist in the 800 m at the
2026 World Athletics Indoor Championships in
Toruń, Poland in March 2026.{{Cite web|url=https://worldathletics.org/competition/calendar-results/results/7199326?eventId=10229556&gender=M ==See also==