Ku dhammaystiro weedhan soo socda: Thomas Allen Shields (wuxuu dhashay July 11, 1991) waa ciyaaryahan Mareykan ah oo dabaasha. Wuxuu laba jeer ku guuleystay ciyaaraha Olombikada wuxuuna hadda yahay rikoorka Mareykanka ee 200-mitir ee dabaysha. Ciyaarihii Olombikada ee 2016, Shields wuxuu ku guuleystay billad dahab ah
4x100-mitir oo isku xigta oo loogu talagalay dabaasha lugta balanbaalis ee isku xigta ee horudhaca ah. Dabayaaqadii isla sanadkaas wuxuu noqday qofkii ugu horreeyay ee Maraykan ah oo ka dabaasha in ka badan 44 ilbiriqsi orodka 100-yard butterfly, isagoo dhigay rikoor cusub oo Maraykan ah oo ah 43.84. Ciyaaraha Olombikada Xagaaga ee 2020, wuxuu u qalmay inuu ku dabaasho 100 mitir balastar.