| | ✓ unvrs | 70° | | 1,871 | 746 | 11,656 | 18 | #2726773 |  | Amsterdam | |
| ✓ Ubik | 97° | | 2,588 | 1,054 | 10,099 | 42,106 | #2653353 |  | Amsterdam | |
| ✓ UVMer | 238° | 65%+ | 3,309 | 1,542 | 9,937 | 177,731 | #3334946 |  | Seattle | |
| ✓ Uranus | 354° | | 1,609 | 824 | 6,318 | 83,160 | #2932721 |  | Atlanta | |
| ✓ UnoriginalSN | 100° | | 1,419 | 500 | 5,521 | 0 | #2087964 |  | Origin | |
| ✓ UhOh | 91° | | 1,305 | 542 | 4,894 | 178 | #1775315 |  | Diameter | |
| ✓ UNIT-01 | 113° | 55%+ | 253 | 160 | 4,582 | 1,553 | #3280050 |  | Dallas | |
| ✓ un | | | 1,374 | 644 | 4,478 | 0 | #2440799 |  | London | |
| ✓ ulysses | 100° | | 1,151 | 601 | 4,314 | 17,830 | #2608593 |  | Amsterdam | |
| ✓ unity | 115° | 75%+ | 1,089 | 622 | 4,120 | 26,628 | #3405955 |  | Dallas | |
| ✓ unipro | 100° | | 1,032 | 435 | 4,017 | 0 | #3044838 |  | Toronto | |
| ✓ unplanned | 34° | 55%+ | 814 | 326 | 3,502 | 4,160 | #1959255 |  | Orbit | |
| ✓ Uncle Creamy | 48° | | 637 | 349 | 3,208 | 606 | #3404981 |  | San Francisco | |
| ✓ umineko | 104° | 65%+ | 1,070 | 425 | 3,037 | 57,921 | #1096261 |  | Chord | |
| ✓ upsidedown | 202° | 55%+ | 754 | 412 | 2,976 | 49,590 | #2994708 |  | Atlanta | |
| ✓ Unicycle | 207° | | 856 | 391 | 2,733 | 48,473 | #3305948 |  | Chicago | |
| ✓ Usain Ballt | 157° | 55%+ | 715 | 348 | 2,566 | 42,284 | #3400472 |  | Atlanta | |
| ✓ UnderTheBall | 98° | | 410 | 151 | 2,430 | 23,716 | #1198390 |  | Radius | |
| ✓ undeath | 79° | | 538 | 214 | 2,241 | 33,425 | #766837 |  | Chord | |
| ✓ U Good | 137° | | 708 | 511 | 2,182 | 39,543 | #3411311 |  | Seattle | |
| ✓ usually last | 113° | | 624 | 355 | 1,891 | 32,226 | #2539922 |  | Dallas | |
| ✓ Uma Thurman | 100° | | 375 | 156 | 1,625 | 24,623 | #2405015 |  | New York | |
| ✓ Unreliable | 80° | | 433 | 212 | 1,580 | 18,652 | #3188324 |  | San Francisco | |
| ✓ Urban Meyer | 121° | | 394 | 203 | 1,516 | 23,723 | #2542831 |  | Dallas | |
| ✓ Ultimatum | 100° | 75%+ | 366 | 116 | 1,507 | 7,616 | #2652175 |  | Sydney | |
| ✓ Unball | 72° | | 360 | 183 | 1,463 | 23,286 | #2803327 |  | Frankfurt | |
| ✓ uuu | 155° | | 305 | 140 | 1,446 | 12,635 | #1177401 |  | Radius | |
| ✓ UmamiThurman | 94° | 55%+ | 285 | 160 | 1,392 | 20,695 | #3374771 |  | New York | |
| ✓ Ultron | 69° | 55%+ | 227 | 86 | 1,313 | 1,406 | #3286387 |  | Dallas | |
| ✓ UZUMAKI | 102° | | 370 | 129 | 1,311 | 20,479 | #1231338 |  | Diameter | |
| ✓ Umor | | 75%+ | 61 | 28 | 1,291 | 0 | #2002234 |  | Orbit | |
| ✓ UNCLE IROH | 214° | | 349 | 194 | 1,240 | 19,869 | #3022081 |  | Toronto | |
| ✓ Unit Vector | 95° | 55%+ | 349 | 164 | 1,237 | 22,253 | #3275574 |  | Chicago | |
| ✓ uh | 245° | 65%+ | 451 | 234 | 1,227 | 24,325 | #3262198 |  | Dallas | |
| ✓ USCphildo | 55° | | | 1,195 | | #b5845183 |  | Origin | |
| ✓ Uzumaki_ | 82° | | 211 | 95 | 1,180 | 12,624 | #748409 |  | Diameter | |
| ✓ updoke | 119° | 75%+ | 354 | 172 | 1,157 | 733 | #2798336 |  | New York | |
| ✓ u say tomato | 106° | | 323 | 168 | 1,122 | 1,308 | #3004234 |  | Chicago | |
| ✓ UNIVERSE | 96° | 55%+ | 294 | 95 | 1,115 | 14,042 | #3245420 |  | San Francisco | |
| ✓ UpYrButtJobu | 90° | | 290 | 153 | 1,091 | 19,341 | #2411212 |  | Dallas | |
| ✓ umad | 137° | | 205 | 87 | 1,035 | 13,167 | #2390078 |  | Chicago | |
| ✓ Unicode | 66° | | 236 | 125 | 988 | 7,758 | #3158454 |  | Amsterdam | |
| ✓ unko | 91° | | 106 | 57 | 894 | 7,670 | #2423446 |  | Dallas | |
| ✓ Unicorns! | 92° | | 0 | 0 | 867 | 11 | #198421 |  | Radius | |
| ✓ unit | 104° | 75%+ | 267 | 116 | 859 | 48 | #2663062 |  | New York | |
| ✓ Uther | 51° | 65%+ | 228 | 70 | 853 | 7,015 | #1637681 |  | Orbit | |
| ✓ UberN00b | 128° | | 132 | 53 | 825 | 1,608 | #1889096 |  | Centra | |
| ✓ Ughh | 90° | | 187 | 92 | 791 | 12,569 | #3243120 |  | Toronto | |
| ✓ UnluckyLump | 54° | | 127 | 57 | 721 | 8,356 | #1325286 |  | Diameter | |
| ✓ Update | 54° | | 117 | 107 | 713 | 10,760 | #3410161 |  | San Francisco | |