| Heat 1 | Gallur Municipal Sports Centre - 19 March 2018 - 15:25 |
| Lane | Bib | Athlete | Year | Cat. | | SB |
| 1 | 1746 | VILLAMOR MATA Alvaro | 1982 | M35 | ESP SPAIN | 1:02.73 |
| 2 | 363 | BERENGUEL CORTINA Ruben | 1979 | M35 | ESP SPAIN | 56.05 |
| 3 | 2216 | CHKLAR Alexander | 1981 | M35 | GBR GREAT BRITAIN & N. IRELAND | 54.27 |
| 4 | 901 | GUTIERREZ GONZALEZ Jose | 1982 | M35 | ESP SPAIN | 53.89 |
| 5 | 3437 | ADAMCZYK Jakub | 1979 | M35 | POL POLAND | 52.00 |
| 6 | 2892 | TAKACS Akos | 1982 | M35 | HUN HUNGARY | 49.25 |
| Qual.Rule: first 2 of each heat plus the 8 fastest times qualified. |
| Heat 2 | Gallur Municipal Sports Centre - 19 March 2018 - 15:25 |
| Lane | Bib | Athlete | Year | Cat. | | SB |
| 1 | 2182 | BEARDSELL Richard | 1979 | M35 | GBR GREAT BRITAIN & N. IRELAND | 48.70 |
| 2 | 64 | DUCAT Gregory | 1982 | M35 | BEL BELGIUM | 55.5 |
| 3 | 1243 | MUNOZ GARCIA Luis | 1982 | M35 | ESP SPAIN | 55.26 |
| 4 | 1072 | MARCOS ORTIZ Ivan | 1981 | M35 | ESP SPAIN | 53.49 |
| 5 | 1388 | PINERO Isaac | 1981 | M35 | ESP SPAIN | 51.3 |
| 6 | 2373 | MARSHALL Stewart | 1980 | M35 | GBR GREAT BRITAIN & N. IRELAND | 49.76 |
| Qual.Rule: first 2 of each heat plus the 8 fastest times qualified. |
| Heat 3 | Gallur Municipal Sports Centre - 19 March 2018 - 15:25 |
| Lane | Bib | Athlete | Year | Cat. | | SB |
| 1 | 3235 | PELELLA Pietro | 1982 | M35 | ITA ITALY | 1:01.89 |
| 2 | 1276 | NUNEZ MUNOZ Roberto | 1981 | M35 | ESP SPAIN | 56.51 |
| 3 | 581 | DE LA FUENTE BAUTISTA A | 1979 | M35 | ESP SPAIN | 54.24 |
| 4 | 1525 | ROMERO MORENO Alfonso M | 1980 | M35 | ESP SPAIN | 53.93 |
| 5 | 3504 | ZIMNY Emanuel | 1981 | M35 | POL POLAND | 52.00 |
| 6 | 2223 | COLLINS Liam | 1978 | M35 | GBR GREAT BRITAIN & N. IRELAND | 50.37 |
| Qual.Rule: first 2 of each heat plus the 8 fastest times qualified. |
| Heat 4 | Gallur Municipal Sports Centre - 19 March 2018 - 15:25 |
| Lane | Bib | Athlete | Year | Cat. | | SB |
| 1 | 3074 | CAPOCCIA Luca | 1981 | M35 | ITA ITALY | 59.10 |
| 2 | 1706 | VALLBONA VILELLAS Marc | 1978 | M35 | ESP SPAIN | 56.79 |
| 3 | 656 | ESGUEVA Javier | 1981 | M35 | ESP SPAIN | 54.19 |
| 4 | 1220 | MORENO BARRAGAN Victor | 1981 | M35 | ESP SPAIN | 54.03 |
| 5 | 1167 | MENENDEZ GONZALEZ Ricar | 1978 | M35 | ESP SPAIN | 50.99 |
| 6 | 1809 | JUNTUNEN Jouko | 1981 | M35 | FIN FINLAND | 50.58 |
| Qual.Rule: first 2 of each heat plus the 8 fastest times qualified. |
| Heat 5 | Gallur Municipal Sports Centre - 19 March 2018 - 15:25 |
| Lane | Bib | Athlete | Year | Cat. | | SB |
| 1 | 1333 | PARTIDA CASADO Miguel | 1980 | M35 | ESP SPAIN | 52.24 |
| 2 | 1638 | SIMON Felix | 1978 | M35 | ESP SPAIN | 55.27 |
| 3 | 2639 | HERZBERG Martin | 1981 | M35 | GER GERMANY | 55.23 |
| 4 | 726 | FRAGA David | 1979 | M35 | ESP SPAIN | 53.40 |
| 5 | 1441 | REPISO GUTIERREZ Sergio | 1978 | M35 | ESP SPAIN | 52.35 |
| 6 | 2296 | GRANTHAM Thomas Richard | 1983 | M35 | GBR GREAT BRITAIN & N. IRELAND | 49.16 |
| Qual.Rule: first 2 of each heat plus the 8 fastest times qualified. |
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