| | ✓ unvrs | 70° | | 1,871 | 746 | 11,656 | 18 | #2726773 |  | Amsterdam | |
| ✓ Ubik | 97° | | 2,588 | 1,054 | 10,099 | 42,106 | #2653353 |  | Amsterdam | |
| ✓ UVMer | 235° | 65%+ | 3,275 | 1,516 | 9,789 | 175,245 | #2735337 |  | Chicago | |
| ✓ Uranus | 354° | | 1,608 | 823 | 6,313 | 83,101 | #2753714 |  | Chicago | |
| ✓ UnoriginalSN | 100° | | 1,419 | 500 | 5,521 | 0 | #2087964 |  | Origin | |
| ✓ UhOh | 91° | | 1,305 | 542 | 4,894 | 178 | #1775315 |  | Diameter | |
| ✓ un | | | 1,374 | 644 | 4,478 | 0 | #2440799 |  | London | |
| ✓ ulysses | 100° | | 1,151 | 601 | 4,314 | 17,830 | #2608593 |  | Amsterdam | |
| ✓ unipro | 100° | | 1,031 | 435 | 3,972 | 0 | #2733032 |  | Toronto | |
| ✓ unplanned | 34° | 55%+ | 814 | 326 | 3,502 | 4,160 | #1959255 |  | Orbit | |
| ✓ umineko | 104° | 65%+ | 1,070 | 425 | 3,037 | 57,921 | #1096261 |  | Chord | |
| ✓ Uncle Creamy | 48° | | 607 | 318 | 3,009 | 606 | #2806501 |  | Dallas-2 | |
| ✓ Unicycle | 205° | | 845 | 388 | 2,698 | 47,854 | #2527012 |  | New York | |
| ✓ upsidedown | 179° | 55%+ | 632 | 351 | 2,569 | 42,371 | #2232264 |  | Atlanta | |
| ✓ UnderTheBall | 98° | | 410 | 151 | 2,430 | 23,716 | #1198390 |  | Radius | |
| ✓ undeath | 79° | | 538 | 214 | 2,241 | 33,425 | #766837 |  | Chord | |
| ✓ usually last | 113° | | 624 | 355 | 1,891 | 32,226 | #2539922 |  | Dallas | |
| ✓ UNIT-01 | 113° | 55%+ | 167 | 105 | 1,788 | 1,531 | #2807060 |  | Dallas | |
| ✓ Uma Thurman | 100° | | 375 | 156 | 1,625 | 24,623 | #2405015 |  | New York | |
| ✓ Usain Ballt | 138° | 55%+ | 424 | 186 | 1,610 | 24,371 | #2787496 |  | New York | |
| ✓ Unreliable | 80° | | 418 | 202 | 1,523 | 18,152 | #2239694 |  | Chicago | |
| ✓ 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 | |
| ✓ UZUMAKI | 102° | | 370 | 129 | 1,311 | 20,479 | #1231338 |  | Diameter | |
| ✓ Ultron | 69° | 55%+ | 226 | 85 | 1,306 | 1,406 | #2340636 |  | Chicago | |
| ✓ UmamiThurman | 92° | 55%+ | 276 | 152 | 1,294 | 19,334 | #2487390 |  | New York | |
| ✓ Umor | | 75%+ | 61 | 28 | 1,291 | 0 | #2002234 |  | Orbit | |
| ✓ UNCLE IROH | 214° | | 349 | 191 | 1,235 | 19,773 | #2297352 |  | Atlanta | |
| ✓ 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 | |
| ✓ Unit Vector | 93° | 55%+ | 317 | 147 | 1,120 | 20,037 | #2796776 |  | Chicago | |
| ✓ u say tomato | 106° | | 321 | 165 | 1,112 | 1,308 | #2781145 |  | Seattle | |
| ✓ Universe | 96° | 55%+ | 291 | 94 | 1,111 | 13,940 | #2425597 |  | San Francisco | |
| ✓ UpYrButtJobu | 90° | | 290 | 153 | 1,091 | 19,341 | #2411212 |  | Dallas | |
| ✓ umad | 137° | | 205 | 87 | 1,035 | 13,167 | #2390078 |  | Chicago | |
| ✓ Unicode | 66° | | 234 | 123 | 975 | 7,732 | #2760323 |  | 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 | |
| ✓ unity | 108° | 75%+ | 191 | 115 | 845 | 11,391 | #2807032 |  | Chicago | |
| ✓ UberN00b | 128° | | 132 | 53 | 825 | 1,608 | #1889096 |  | Centra | |
| ✓ UnluckyLump | 54° | | 127 | 57 | 721 | 8,356 | #1325286 |  | Diameter | |
| ✓ Uebermensch | 157° | | 225 | 133 | 666 | 13,045 | #2047394 |  | Chord | |
| ✓ UberNub | 82° | | 74 | 39 | 658 | 92 | #884610 |  | Radius | |
| ✓ Uprising | 60° | | 130 | 48 | 636 | 9,269 | #1402234 |  | Radius | |
| ✓ urmomsballs | 100° | | 108 | 64 | 617 | 6,038 | #1895519 |  | Radius | |