Jamaica’s athletes failed to medal at the two-day World Athletics Relays which ended in the Bahamas on Sunday.
Only Jamaica’s men 4-by-100 metres relay team was able to contest the final, where they finished seventh.
The USA won four of the five relays, with the other going to Botswana.
However, the Jamaicans were able to secure qualification to the Paris Olympics in each event.
Jodean Wiliams who was a member of Jamaica’s sprint relay team, believes a lack of chemistry caused their poor showing.
Jodean Williams.