Årsbästa 2001 herrar U23 400m häck (26/8)
| Rnk | Res | Namn | Nation | Född | Pl. | Ort | Datum | PB |   |
| 1 | 48.16 | Marek Plawgo | POL | 810225 | 1 | Nishinomiya (Osaka) | 010512 | 48.16 | 010512 |
| 2 | 48.65 | Yoshihiro Chiba | JPN | 790429 | 1 | Yokohama | 010520 | 48.65 | 010520 |
| + | 48.69 |     Marek Plawgo |   |   | 2r2 | Zürich | 010817 | 48.16 | 010512 |
| 3 | 48.90A | Alwyn Myburgh | RSA | 801013 | 1 | Potchefstroom | 010212 | 48.90A | 010212 |
| + | 48.93 |     Alwyn Myburgh |   |   | 2r1 | Roodepoort | 010316 | 48.90A | 010212 |
| + | 48.94 |     Marek Plawgo |   |   | 1 | Bydgoszcz | 010630 | 48.16 | 010512 |
| + | 48.95 |     Alwyn Myburgh |   |   | 2 | Durban | 010303 | 48.90A | 010212 |
| + | 48.98 |     Marek Plawgo |   |   | 2 | Bremen | 010623 | 48.16 | 010512 |
| 4 | 48.99 | Bayano Kamani | USA | 800417 | 1 | Eugene, Or | 010601 | 48.43 | 000602 |
| + | 49.06 |     Yoshihiro Chiba |   |   | 3 | Nishinomiya (Osaka) | 010512 | 48.65 | 010520 |
| 5 | 49.09 | Periklis Iakovakis | GRE | 790324 | 1 | Rethymnon | 010701 | 49.09 | 010701 |
| + | 49.18 |     Bayano Kamani |   |   | 5 | Eugene, Or | 010623 | 48.43 | 000602 |
| + | 49.22 |     Bayano Kamani |   |   | 1 | College Station, Tx | 010519 | 48.43 | 000602 |
| + | 49.31 |     Marek Plawgo |   |   | 5 | Monaco | 010720 | 48.16 | 010512 |
| 6 | 49.34 | Michael Smith II | USA | 790426 | 2 | Eugene, Or | 010601 | 49.34 | 010601 |
| 7 | 49.40 | Mourhej Hani | SYR | 811020 | 2 | Bayreuth | 010704 | 49.40 | 010704 |
| 8 | 49.57A | Marnus Kritzinger | RSA | 820210 | 1:19 | Pretoria, RSA | 010420 | 49.57A | 010420 |
| 9 | 49.57 | Matthew Elias | GBR | 790425 | 1:22 | Amsterdam | 010714 | 49.57 | 010714 |
| 10 | 49.65A | Pieter de Villiers | RSA | 820713 | 2:19 | Pretoria, RSA | 010420 | 49.65A | 010420 |
| 11 | 49.65 | Rickey Harris | USA | 810929 | 1 | Columbia, SC | 010513 | 49.65 | 010513 |
| 12 | 49.70 | Naohiro Kawakita | JPN | 801118 | 2 | Yokohama | 010520 | 49.70 | 010520 |
| + | 49.76 |     Periklis Iakovakis |   |   | 1 | Athína | 010617 | 49.09 | 010701 |
| 13 | 49.77 | Brian Derby | USA | 810218 | 1 | Bloomington, In | 010520 | 49.77 | 010520 |
| + | 49.80 |     Periklis Iakovakis |   |   | 3 | Khania | 010604 | 49.09 | 010701 |
| + | 49.83 |     Michael Smith II |   |   | 2 | College Station, Tx | 010519 | 49.34 | 010601 |
| 14 | 49.87 | Adam Kunkel | CAN | 810224 | 2 | Edmonton | 010624 | 49.87 | 010624 |
| 15 | 49.89 | José María Romera | ESP | 830410 | 2 | San Sebastian | 010818 | 49.89 | 010818 |
| 16 | 49.92A | Okkert Cilliers | RSA | 810421 | 1r2 | Pretoria, RSA | 010323 | 49.92A | 010323 |
| 17 | 49.94 | Mikael Jakobsson | SWE | 810109 | 1 | Växjö | 010826 | 49.94 | 010826 |
| 18 | 50.05 | Yevgeniy Meleshenko | KZK | 810119 | 5 | Nishinomiya (Osaka) | 010525 | 50.05 | 010525 |
| 19 | 50.05 | Yacnier Luis | CUB | 820124 | 2 | La Habana | 010527 | 50.05 | 010527 |
| 20 | 50.06A | Francois Coertze | RSA | 790223 | 2:22 | Pretoria, RSA | 010420 | 50.00A | 990417 |
| 21 | 50.09 | Gianni Carabelli | ITA | 790530 | 2 | Bressanone | 010617 | 49.92 | 000716 |
| + | 50.12 |     Periklis Iakovakis |   |   | 1 | Amaliada | 010519 | 49.09 | 010701 |
| 22 | 50.16 | Matt Mason | USA | 820630 | 3 | Tallahassee,Fl | 010512 | 50.16 | 010512 |
| 23 | 50.18A | Henk Meyer | RSA | 810326 | 3:22 | Pretoria, RSA | 010420 | 50.18A | 010420 |
| 24 | 50.25 | Meng Yan | CHN | 800930 | 2 | Ningbo | 010428 | 50.25 | 010428 |
| 25 | 50.26 | Nick Stewart | CAN | 790406 | 1 | Fresno, Ca | 010519 | 49.77A | 000708 |
| + | 50.27 |     Gianni Carabelli |   |   | h1:2:22 | Amsterdam | 010713 | 49.92 | 000716 |
| 26 | 50.27 | Ghaidi Salah | FRA | 790512 | h3:1:22 | Amsterdam | 010713 | 50.27 | 010713 |
| 27 | 50.28 | Eric Dudley | USA | 800418 | 5 | Eugene, Or | 010601 | 50.28 | 010601 |
| + | 50.28 |     Periklis Iakovakis |   |   | 6 | Bremen | 010623 | 49.09 | 010701 |
| 28 | 50.31 | Jan Reinberg | GER | 800118 | 3 | Stuttgart | 010630 | 50.31 | 010630 |
| 29 | 50.32 | Samuel Glover | USA | 800122 | 1r3 | Des Moines, Ia | 010426 | 49.08 | 000602 |
| + | 50.32 |     Mikael Jakobsson |   |   | 1 | Kuortane, FIN | 010617 | 49.94 | 010826 |
| 30 | 50.37 | Dwight Ruff | USA | 830331 | 1:19 | Richmond, Va | 010617 | 50.37 | 010617 |
| 31 | 50.38 | Koji Hoshino | JPN | 790703 | 3 | Yokohama | 010520 | 50.38 | 010520 |
| 32 | 50.40 | Henning Kuschewitz | GER | 810101 | 4 | Stuttgart | 010630 | 50.40 | 010630 |
| 33 | 50.40 | Tomasz Rudnik | POL | 790306 | 4 | Bydgoszcz | 010630 | 50.28 | 000805 |
| 34 | 50.41 | Frederico Rubeca | ITA | 810610 | 2 | Milano | 010701 | 50.41 | 010701 |
| 35 | 50.43 | Michael Brown II | USA | 790109 | h3:2 | Eugene, Or | 010621 | 50.43 | 010621 |
| 36 | 50.46 | Gregory Little | JAM | 830220 | h1:2 | Kingston | 010621 | 50.46 | 010621 |
| 37 | 50.50 | Russell Peterson | USA | 800820 | h2:1 | Bloomington, In | 010519 | 50.50 | 010519 |
| 38 | 50.52 | Mike King II | USA | 790221 | 3 | Atlanta, Ga | 010519 | 50.52 | 010519 |
| 39 | 50.54 | Kyle Erickson | USA | 810111 | 1 | Westwood, Ca | 010414 | 50.54 | 010414 |
| 40 | 50.54 | Zhang Shibao | CHN | 840312 | 1 | Jinan | 010513 | 50.54 | 010513 |
| + | 50.57 |     Mikael Jakobsson |   |   | 1 | Gävle | 010721 | 49.94 | 010826 |
| + | 50.59 |     Jan Reinberg |   |   | 1 | Mönchengladbach | 010527 | 50.31 | 010630 |
| 41 | 50.59 | Christian Duma | GER | 820205 | 1r2 | Jena | 010602 | 50.59 | 010602 |
| 42 | 50.59 | Janne Mäkelä | FIN | 790202 | 3r1 | Lapinlahti | 010722 | 50.59 | 010722 |
| 43 | 50.61 | Nathaniel Garcia | USA | 82 | 1r5 | Knoxville,Tn | 010413 | 50.61 | 010413 |
| 44 | 50.62 | Masato Kishida | JPN | 790420 | 1r2 | Nishinomiya (Osaka) | 010517 | 50.62 | 010517 |
| 45 | 50.63 | Byron Taylor | USA | 800321 | 2 | Tallahassee,Fl | 010414 | 50.63 | 010414 |
| 46 | 50.63 | Sergio Hierrezuelo | CUB | 820315 | h2:1 | La Habana | 010526 | 50.63 | 010526 |
| + | 50.64 |     Mourhej Hani |   |   | 4r1 | Tula | 010609 | 49.40 | 010704 |
| 47 | 50.66 | Nicholas O'Brien | NZL | 800103 | 3 | Melbourne, AUS | 010301 | 50.66 | 010301 |
| 48 | 50.66 | Lu Xiaobing | CHN | 790113 | 2r1 | Baoding | 010617 | 50.66 | 010617 |
| 49 | 50.67 | Claudio Citterio | ITA | 790801 | 4 | Catania | 010708 | 50.67 | 010708 |
| 50 | 50.70 | Yevgeniy Mikheyko | BLR | 810424 | h3:2:22 | Amsterdam | 010713 | 50.70 | 010713 |
| 51 | 50.70 | Yauheni Mikheika | BLR | 810424 | h7:2 | Amsterdam | 010713 | 50.70 | 010713 |
| 52 | 50.72 | Calvin Williams | USA | 790123 | 4 | Austin, Tx | 010407 | 50.72 | 010407 |
| + | 50.73 |     Gianni Carabelli |   |   | 1 | Rovereto | 010506 | 49.92 | 000716 |
| 53 | 50.75 | De'Jun Spann | USA | 801111 | 1 | New Orleans, La | 010513 | 50.75 | 010513 |
| 54 | 50.76 | Masashi Wakae | JPN | 800428 | h3:3 | Tokyo | 010608 | 50.40 | 000902 |
| 55 | 50.77 | Henning Hackelbusch | GER | 820223 | 6 | Stuttgart | 010630 | 50.77 | 010630 |
| + | 50.80 |     Matt Mason |   |   | 1 | Orlando, Fl | 010421 | 50.16 | 010512 |
| 56 | 50.81 | Satoshi Oshikawa | JPN | 790818 | 4 | Yokohama | 010520 | 50.81 | 010520 |
| 57 | 50.82 | Ryan Wilson II | USA | 801219 | h1:1 | Berkeley, Ca | 010519 | 50.82 | 010519 |
| + | 50.86 |     Tomasz Rudnik |   |   | 1 | Istanbul | 010616 | 50.28 | 000805 |
| 58 | 50.86 | Magnus Norberg | SWE | 790306 | 3 | Stockholm | 010717 | 50.86 | 000903 |
| 59 | 50.87A | Francois Malan | RSA | 810511 | 1 | Pretoria, RSA | 010310 | 50.87A | 010310 |
| 60 | 50.92 | Bian Xiguo | CHN | 790115 | 3 | Jinan | 010513 | 50.92 | 010513 |
| 61 | 50.97 | Kazuhiko Yamaguchi | JPN | 790411 | 1 | Nishinomiya (Osaka) | 010517 | 50.91 | 000503 |
| 62 | 50.98A | Reggie DePass | USA | 790404 | 1 | Greeley, Co | 010414 | 50.84 | 980627 |
| 63 | 50.98 | Lin Chin-fu | TPE | 790731 | 2 | Taipei | 010429 | 50.47 | 980729 |
| 64 | 50.98 | Dmitriy Zhukov | RUS | 800722 | 5 | Tula | 010714 | 50.98 | 010714 |
| + | 50.99 |     Mikael Jakobsson |   |   | 5 | Bloomington, In | 010520 | 49.94 | 010826 |
| 65 | 50.9h | Roberto Carvajal | MEX | 790923 | 1 | Lincoln, Ne | 010505 | 51.69 | 010421 |