The men's 100 metre butterfly S10 event at the 2020 Paralympic Games took place on 31 August 2021, at the Tokyo Aquatics Centre.
Heats The swimmers with the top eight times, regardless of heat, advanced to the final.
Rank Heat Lane Name Nationality Time Notes 1 2 4 Maksym Krypak 57.74 2 1 4 Stefano Raimondi 58.19 3 2 5 Col Pearse 58.23 , OC 4 1 5 Dmitry Grigoryev 58.43 5 1 6 Alec Elliot 58.59 6 2 3 Riccardo Menciotti 58.85 7 2 6 David Levecq 59.10 8 1 3 Florent Marais 59.23 9 1 2 Alan Ogorzałek 1:00.72 10 2 7 Akito Minai 1:00.97 11 2 2 Phelipe Rodrigues 1:01.00
Final
Rank Lane Name Nationality Time Notes+100m butterfly final 4 Maksym Krypak 54.15 WR 5 Stefano Raimondi 55.04 3 Col Pearse 57.66 4 8 Florent Marais 57.86 5 2 Alec Elliot 58.44 6 6 Dmitry Grigoryev 58.45 7 7 Riccardo Menciotti 58.65 8 1 David Levecq 59.12
References