Rubuta ci gaba don wannan sakin layi - A cikin 2019, Manumua ya yi gasa don Tonga a Gasar Cin Kofin Oceania a cikin rukunin mata + 87 kg. Ta sanya na biyar a cikin kamawa, ta ɗaga kilogiram 80. Manumua ya kuma halarci gasar zakarun duniya ta 2019
, wanda ke wakiltar Tonga a rukunin mata + 87 kg. Ta ɗaga kilo 96 a cikin ƙwace da kilo 115 a cikin tsabta & jerk, sanya 19th.