UAE cyclist Ahmed Al Badwawi failed to qualify for the men's C4-5 1,000m time trial final at the Paris Paralympics, finishing 22nd in his heat.
Al Badwawi was one of the country's flag-bearers at Wednesday's opening ceremony as part of a 13-strong squad competing at the 2024 Paralympics.
The Emirati was first out on the track at National Velodrome and finished in a time of 1 min, 13.100 secs ahead of Oskars Gailiss of Latvia.
Australia's Korey Boddington clocked the fastest time in 1:01.190. Defending champion and world-record holder Alfonso Cabello of Spain was third fastest (1:02.050).
Only the top six fastest progressed to Friday's final.
Shooters Ayesha Al Shamsi and Ayesha Al Mehairi also failed to progress in the mixed 10m air rifle standing SH2 qualification.
Al Shamsi finished with a total score of 630.1 from her five rounds to place 14th while Al Mehairi was down in 22nd with a score of 626.7.
Only the top eight advanced to the final, with Al Shamsi missing the cut off by .7 points.
The final UAE athlete in action Friday is Noura Al Ketbi who takes part in the women's club throw F32/51 event starting at 8pm UAE.