The doping case of Surinamese sprinter and U20 100m world report holder Issam Asinga got here to a detailed on Thursday in Switzerland. The Courtroom of Arbitration for Sport (CAS) dismissed Asinga’s attraction following an anti-doping rule violation in 2023 for the presence of GW1516 metabolites.
Asinga, 20, will proceed serving his four-year ban, set to finish in August 2027, and can have his U20 100m world report annulled.
The Courtroom of Arbitration for Sport (CAS) has dismissed the attraction of Issamade Asinga in opposition to a 4-year ban for Presence of a Prohibited Substance (GW1516 sulfone, GW1516 sulfoxide), imposed by the World Athletics Disciplinary Tribunal on 6 Might 2024. pic.twitter.com/xP34371qIC
— Athletics Integrity Unit (@aiu_athletics) October 30, 2025
On July 18, 2023, Asinga underwent an out-of-competition doping take a look at that exposed the presence of metabolites of GW1516, which is understood to change how the physique makes use of fats for power, selling elevated endurance and fats metabolism.
Ten days later, Asinga broke the U20 100m world report on the South American Athletics Championships in Brazil, working 9.89 seconds to change into the primary South American sprinter to dip underneath 9.9 seconds. Lower than two weeks after that race, the Athletics Integrity Unit (AIU) provisionally suspended him.
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On the time, Asinga denied any wrongdoing; his group informed the AIU that the optimistic take a look at was brought on by Gatorade vitamin merchandise he acquired after being named Gatorade Nationwide Boys Observe and Discipline Participant of the 12 months earlier that month. The 20-year-old mentioned he had ingested Gatorade gummies to assist restoration one week earlier than offering the pattern.
The CAS investigated the gummies however discovered inadequate proof to help Asinga’s description. “After contemplating the proof, the CAS Panel discovered that the athlete had failed to determine that, on the stability of chances, it was extra probably than not that the gummies he ingested earlier than his anti-doping take a look at have been contaminated with GW1516,” the ruling learn.
With Asinga’s U20 World Document Rescinded, Botswana’s Letsile Tebogo reclaims the report together with his 9.91-second gold-medal efficiency on the 2022 World U20 Championships in Colombia.
