Akira Aizawa (18/07/1997) 23 years old (2020)
3000 Metres 8:10.18 Konosu (JPN) 07 APR 2019 997
5000 Metres 13:34.94 Kumamoto (JPN) 14 APR 2019 1085
10,000 Metres 27:18.75 Nagai Stadium, Osaka (JPN) 04 DEC 2020 NR 1196
Half Marathon 1:01:45 Tachikawa (JPN) 10 MAR 2019 1120
30 Kilometres 1:30:25 Kumamoto (JPN) 18 FEB 2018 1134
Going from 8:10/3000 and 13:34.94/5000 in 2019 to 27:18.75 (equal to a 13:09/5000 approximately )in 2020 is incredible improvement.