In May 2023, at age 18, he leapt 8.44 m with wind assistance in the event, a mark better than the world U20 record and the longest in history by an U20 athlete in all conditions.

[3] On 29 January 2023, still 17, he broke the European U20 indoor long jump record with a leap of 7.99 m for second place at the Folksam Grand Prix in Stockholm, Sweden.

[6] In March, he competed in the senior long jump contest at the European Indoor Championships in Istanbul, where he did not advance to the final.

[7] On 24 May, Furlani soared at 8.44 m in the long jump competition at the Meeting di Savona on home soil.

It would have been the world U20 record if the wind had not been just above the legal limit at 2.2 m/s, with his mark being the longest in history by an U20 athlete in all conditions.