School Record History
SR
— broken 2 times since 1988
Record Holders
Record Progression
School record at time
Class:
| Rank ↕ | Athlete ↕ | Mark ↕ |
|---|---|---|
| 1 |
49.66
SR
|
|
| 2 |
49.93
|
|
| 3 |
50.55
|
|
| 4 |
50.71
|
|
| 5 |
51.23
|
|
| 6 |
51.64
|
|
| 7 |
51.64
|
|
| 8 |
51.70
|
|
| 9 |
51.70
SR
|
|
| 10 |
51.90
|
|
| 11 |
51.91
|
|
| 12 |
52.00
SR
|
|
| 13 |
52.12
|
|
| 14 |
52.20
|
|
| 15 |
52.20
|
|
| 16 |
52.30
|
|
| 17 |
52.40
|
|
| 18 |
52.40
|
|
| 19 |
52.52
|
|
| 20 |
52.68
|
|
| 21 |
52.71
|
|
| 22 |
52.78
|
|
| 23 |
52.81
|
|
| 24 |
52.90
|
|
| 25 |
52.90
|
|
| 26 |
52.90
|
|
| 27 |
52.90
|
|
| 28 |
52.91
|
|
| 29 |
52.91
|
|
| 30 |
53.01
|
|
| 31 |
53.07
|
|
| 32 |
53.10
|
|
| 33 |
53.11
|
|
| 34 |
53.17
|
|
| 35 |
53.18
|
|
| 36 |
53.19
|
|
| 37 |
53.20
|
|
| 38 |
53.20
|
|
| 39 |
53.26
|
|
| 40 |
53.30
|
|
| 41 |
53.30
|
|
| 42 |
53.32
|
|
| 43 |
53.39
|
|
| 44 |
53.40
|
|
| 45 |
53.40
|
|
| 46 |
53.40
|
|
| 47 |
53.42
|
|
| 48 |
53.50
|
|
| 49 |
53.58
|
|
| 50 |
53.58
|
|
| 51 |
53.60
|
|
| 52 |
53.63
|
|
| 53 |
53.65
|
|
| 54 |
53.65
|
|
| 55 |
53.70
|
|
| 56 |
53.70
|
|
| 57 |
53.70
|
|
| 58 |
53.70
|
|
| 59 |
53.71
|
|
| 60 |
53.71
|
|
| 61 |
53.74
|
|
| 62 |
53.76
|
|
| 63 |
53.80
|
|
| 64 |
53.82
|
|
| 65 |
53.90
|
|
| 66 |
53.90
|
|
| 67 |
53.91
|
|
| 68 |
53.93
|
|
| 69 |
53.96
|
|
| 70 |
54.03
|
|
| 71 |
54.10
|
|
| 72 |
54.10
|
|
| 73 |
54.12
|
|
| 74 |
54.18
|
|
| 75 |
54.20
|
|
| 76 |
54.20
|
|
| 77 |
54.27
|
|
| 78 |
54.30
|
|
| 79 |
54.40
|
|
| 80 |
54.44
|
|
| 81 |
54.44
|
|
| 82 |
54.44
|
|
| 83 |
54.49
|
|
| 84 |
54.50
|
|
| 85 |
54.60
|
|
| 86 |
54.61
|
|
| 87 |
54.70
|
|
| 88 |
54.70
|
|
| 89 |
54.71
|
|
| 90 |
54.76
|
|
| 91 |
54.78
|
|
| 92 |
54.80
|
|
| 93 |
54.80
|
|
| 94 |
54.86
|
|
| 95 |
54.87
|
|
| 96 |
54.88
|
|
| 97 |
54.90
|
|
| 98 |
54.90
|
|
| 99 |
54.90
|
|
| 100 |
54.90
|
|
| 101 |
54.90
|
|
| 102 |
55.00
|
|
| 103 |
55.00
|
|
| 104 |
55.10
|
|
| 105 |
55.10
|
|
| 106 |
55.10
|
|
| 107 |
55.11
|
|
| 108 |
55.18
|
|
| 109 |
55.18
|
|
| 110 |
55.20
|
|
| 111 |
55.20
|
|
| 112 |
55.20
|
|
| 113 |
55.21
|
|
| 114 |
55.22
|
|
| 115 |
55.25
|
|
| 116 |
55.27
|
|
| 117 |
55.29
|
|
| 118 |
55.30
|
|
| 119 |
55.30
|
|
| 120 |
55.39
|
|
| 121 |
55.40
|
|
| 122 |
55.44
|
|
| 123 |
55.45
|
|
| 124 |
55.50
|
|
| 125 |
55.53
|
|
| 126 |
55.58
|
|
| 127 |
55.59
|
|
| 128 |
55.60
|
|
| 129 |
55.65
|
|
| 130 |
55.66
|
|
| 131 |
55.68
|
|
| 132 |
55.74
|
|
| 133 |
55.76
|
|
| 134 |
55.80
|
|
| 135 |
55.80
|
|
| 136 |
55.80
|
|
| 137 |
55.80
|
|
| 138 |
55.80
|
|
| 139 |
55.80
|
|
| 140 |
55.90
|
|
| 141 |
55.95
|
|
| 142 |
56.10
|
|
| 143 |
56.10
|
|
| 144 |
56.10
|
|
| 145 |
56.17
|
|
| 146 |
56.18
|
|
| 147 |
56.19
|
|
| 148 |
56.20
|
|
| 149 |
56.20
|
|
| 150 |
56.20
|
|
| 151 |
56.22
|
|
| 152 |
56.30
|
|
| 153 |
56.36
|
|
| 154 |
56.40
|
|
| 155 |
56.40
|
|
| 156 |
56.40
|
|
| 157 |
56.42
|
|
| 158 |
56.42
|
|
| 159 |
56.42
|
|
| 160 |
56.50
|
|
| 161 |
56.51
|
|
| 162 |
56.53
|
|
| 163 |
56.55
|
|
| 164 |
56.58
|
|
| 165 |
56.60
|
|
| 166 |
56.61
|
|
| 167 |
56.65
|
|
| 168 |
56.69
|
|
| 169 |
56.70
|
|
| 170 |
56.72
|
|
| 171 |
56.80
|
|
| 172 |
56.80
|
|
| 173 |
56.81
|
|
| 174 |
56.84
|
|
| 175 |
56.85
|
|
| 176 |
56.88
|
|
| 177 |
56.89
|
|
| 178 |
56.90
|
|
| 179 |
56.90
|
|
| 180 |
56.91
|
|
| 181 |
56.93
|
|
| 182 |
56.95
|
|
| 183 |
56.99
|
|
| 184 |
57.00
|
|
| 185 |
57.00
|
|
| 186 |
57.00
|
|
| 187 |
57.02
|
|
| 188 |
57.10
|
|
| 189 |
57.10
|
|
| 190 |
57.15
|
|
| 191 |
57.20
|
|
| 192 |
57.20
|
|
| 193 |
57.30
|
|
| 194 |
57.40
|
|
| 195 |
57.40
|
|
| 196 |
57.42
|
|
| 197 |
57.48
|
|
| 198 |
57.48
|
|
| 199 |
57.51
|
|
| 200 |
57.55
|
|
| 201 |
57.58
|
|
| 202 |
57.69
|
|
| 203 |
57.71
|
|
| 204 |
57.76
|
|
| 205 |
57.76
|
|
| 206 |
57.86
|
|
| 207 |
57.97
|
|
| 208 |
58.00
|
|
| 209 |
58.00
|
|
| 210 |
58.00
|
|
| 211 |
58.06
|
|
| 212 |
58.13
|
|
| 213 |
58.18
|
|
| 214 |
58.20
|
|
| 215 |
58.21
|
|
| 216 |
58.25
|
|
| 217 |
58.30
|
|
| 218 |
58.30
|
|
| 219 |
58.34
|
|
| 220 |
58.36
|
|
| 221 |
58.37
|
|
| 222 |
58.40
|
|
| 223 |
58.40
|
|
| 224 |
58.40
|
|
| 225 |
58.43
|
|
| 226 |
58.47
|
|
| 227 |
58.56
|
|
| 228 |
58.60
|
|
| 229 |
58.60
|
|
| 230 |
58.66
|
|
| 231 |
58.70
|
|
| 232 |
58.70
|
|
| 233 |
58.72
|
|
| 234 |
58.81
|
|
| 235 |
58.90
|
|
| 236 |
59.00
|
|
| 237 |
59.10
|
|
| 238 |
59.11
|
|
| 239 |
59.13
|
|
| 240 |
59.13
|
|
| 241 |
59.14
|
|
| 242 |
59.20
|
|
| 243 |
59.20
|
|
| 244 |
59.20
|
|
| 245 |
59.20
|
|
| 246 |
59.28
|
|
| 247 |
59.29
|
|
| 248 |
59.31
|
|
| 249 |
59.40
|
|
| 250 |
59.52
|
|
| 251 |
59.55
|
|
| 252 |
59.60
|
|
| 253 |
59.60
|
|
| 254 |
59.65
|
|
| 255 |
59.66
|
|
| 256 |
59.70
|
|
| 257 |
59.70
|
|
| 258 |
59.70
|
|
| 259 |
59.72
|
|
| 260 |
59.75
|
|
| 261 |
59.77
|
|
| 262 |
59.90
|
|
| 263 |
59.90
|
|
| 264 |
59.90
|
|
| 265 |
59.98
|
|
| 266 |
1:00.10
|
|
| 267 |
1:00.11
|
|
| 268 |
1:00.20
|
|
| 269 |
1:00.20
|
|
| 270 |
1:00.22
|
|
| 271 |
1:00.30
|
|
| 272 |
1:00.35
|
|
| 273 |
1:00.40
|
|
| 274 |
1:00.43
|
|
| 275 |
1:00.43
|
|
| 276 |
1:00.44
|
|
| 277 |
1:00.45
|
|
| 278 |
1:00.48
|
|
| 279 |
1:00.50
|
|
| 280 |
1:00.60
|
|
| 281 |
1:00.70
|
|
| 282 |
1:00.71
|
|
| 283 |
1:00.71
|
|
| 284 |
1:00.80
|
|
| 285 |
1:00.80
|
|
| 286 |
1:00.90
|
|
| 287 |
1:00.90
|
|
| 288 |
1:00.90
|
|
| 289 |
1:00.90
|
|
| 290 |
1:00.90
|
|
| 291 |
1:00.91
|
|
| 292 |
1:00.94
|
|
| 293 |
1:01.00
|
|
| 294 |
1:01.10
|
|
| 295 |
1:01.13
|
|
| 296 |
1:01.16
|
|
| 297 |
1:01.20
|
|
| 298 |
1:01.20
|
|
| 299 |
1:01.20
|
|
| 300 |
1:01.20
|
|
| 301 |
1:01.28
|
|
| 302 |
1:01.30
|
|
| 303 |
1:01.30
|
|
| 304 |
1:01.50
|
|
| 305 |
1:01.50
|
|
| 306 |
1:01.50
|
|
| 307 |
1:01.51
|
|
| 308 |
1:01.53
|
|
| 309 |
1:01.57
|
|
| 310 |
1:01.58
|
|
| 311 |
1:01.59
|
|
| 312 |
1:01.69
|
|
| 313 |
1:01.78
|
|
| 314 |
1:01.80
|
|
| 315 |
1:01.99
|
|
| 316 |
1:02.00
|
|
| 317 |
1:02.00
|
|
| 318 |
1:02.10
|
|
| 319 |
1:02.10
|
|
| 320 |
1:02.10
|
|
| 321 |
1:02.30
|
|
| 322 |
1:02.30
|
|
| 323 |
1:02.40
|
|
| 324 |
1:02.40
|
|
| 325 |
1:02.40
|
|
| 326 |
1:02.50
|
|
| 327 |
1:02.53
|
|
| 328 |
1:02.70
|
|
| 329 |
1:02.72
|
|
| 330 |
1:02.75
|
|
| 331 |
1:02.80
|
|
| 332 |
1:02.80
|
|
| 333 |
1:02.90
|
|
| 334 |
1:02.90
|
|
| 335 |
1:02.90
|
|
| 336 |
1:02.90
|
|
| 337 |
1:02.90
|
|
| 338 |
1:03.07
|
|
| 339 |
1:03.10
|
|
| 340 |
1:03.14
|
|
| 341 |
1:03.19
|
|
| 342 |
1:03.31
|
|
| 343 |
1:03.40
|
|
| 344 |
1:03.46
|
|
| 345 |
1:03.50
|
|
| 346 |
1:03.56
|
|
| 347 |
1:03.70
|
|
| 348 |
1:03.70
|
|
| 349 |
1:03.70
|
|
| 350 |
1:03.80
|
|
| 351 |
1:03.80
|
|
| 352 |
1:04.00
|
|
| 353 |
1:04.10
|
|
| 354 |
1:04.11
|
|
| 355 |
1:04.20
|
|
| 356 |
1:04.30
|
|
| 357 |
1:04.40
|
|
| 358 |
1:04.50
|
|
| 359 |
1:04.50
|
|
| 360 |
1:04.52
|
|
| 361 |
1:04.66
|
|
| 362 |
1:04.67
|
|
| 363 |
1:04.82
|
|
| 364 |
1:04.90
|
|
| 365 |
1:05.10
|
|
| 366 |
1:05.16
|
|
| 367 |
1:05.18
|
|
| 368 |
1:05.20
|
|
| 369 |
1:05.22
|
|
| 370 |
1:05.26
|
|
| 371 |
1:05.41
|
|
| 372 |
1:05.50
|
|
| 373 |
1:05.65
|
|
| 374 |
1:05.67
|
|
| 375 |
1:05.75
|
|
| 376 |
1:05.90
|
|
| 377 |
1:06.00
|
|
| 378 |
1:06.00
|
|
| 379 |
1:06.00
|
|
| 380 |
1:06.02
|
|
| 381 |
1:06.24
|
|
| 382 |
1:06.40
|
|
| 383 |
1:06.60
|
|
| 384 |
1:06.70
|
|
| 385 |
1:06.70
|
|
| 386 |
1:06.80
|
|
| 387 |
1:07.10
|
|
| 388 |
1:07.20
|
|
| 389 |
1:07.30
|
|
| 390 |
1:07.33
|
|
| 391 |
1:07.39
|
|
| 392 |
1:07.40
|
|
| 393 |
1:07.40
|
|
| 394 |
1:07.80
|
|
| 395 |
1:07.83
|
|
| 396 |
1:08.41
|
|
| 397 |
1:08.42
|
|
| 398 |
1:09.00
|
|
| 399 |
1:09.23
|
|
| 400 |
1:09.28
|
|
| 401 |
1:09.34
|
|
| 402 |
1:10.58
|
|
| 403 |
1:11.07
|
|
| 404 |
1:13.50
|
|
| 405 |
1:16.20
|
|
| 406 |
1:19.50
|
|
| 407 |
1:42.33
|