PU Speed Tiers:
Stat / Pokemon / Base / Nature / EVs / Boost
Tier 0 - Higher than Neutral Base 160 (420 and higher)
578 / Leafeon, Sawsbuck / 95 / Neutral / 252 / +2
538 / Articuno, Golduck / 85 / Neutral / 252 / +2
518 / Stoutland / 80 / Neutral / 252 / +2
498 / Kingler / 75 / Neutral / 252 / +2
496 / Simipour / 101 / +Spe / 252 / +1
493 / Floatzel / 115 / Neutral / 252 / +1
492 / Dodrio, Ninetales / 100 / +Spe / 252 / +1
475 / Leafeon, Sawsbuck / 95 / +Spe / 252 / +1
468 / Venipede / 57 / +Spe / 252 / +2
463 / Chatot / 91 / +Spe / 252 / +1
460 / Ninjask / 160 / +Spe / 252 / 0
459 / Mr. Mime / 90 / +Spe / 252 / +1
447 / Rotom-F / 86 / +Spe / 252 / +1
430 / Monferno / 81 / +Spe / 252 / +1
420 / Chatot / 91 / Neutral / 252 / +1
Tier 1 - Max Base 100 to Neutral Base 160 (419-329)
419 / Ninjask / 160 / Neutral / 252 / 0
418 / Relicanth, Weepinbell / 55 / Neutral / 252 / +2
416 / Electrode / 140 / +Spe / 0
406 / Gorebyss, Huntail / 52 / Neutral / 252 / +2
398 / Beartic, Regice / 50 / Neutral / 252 / +2
384 / Fraxure / 67 / +Spe / 252 / +1
379 / Electrode / 140 / Neutral / 252 / 0
364 / Zebstrika / 116 / +Spe / 252 / 0
361 / Floatzel / 115 / +Spe / 252 / 0
355 / Purugly / 112 / +Spe / 252 / 0
351 / Venipede / 57 / +Spe / 252 / +1
350 / Jumpluff, Raichu / 110 / +Spe / 252 / 0
343 / Ursaring / 55 / +Spe / 252 / +1
339 / Kadabra, Rapidash / 105 / +Spe / 252 / 0
338 / Kadabra (Hidden Power Fighting) / 105 / +Spe / 252 / 0
331 / Simipour, Simisage, Simisear / 101 / +Spe / 252 / 0
Tier 2 - Max Base 80 to Max Base 100 (328-298)
328 / Dodrio, Ninetales / 100 / +Spe / 252 / 0
326 / Gourgeist-S / 99 / +Spe / 252 / 0
324 / Basculin, Swanna / 98 / +Spe / 252 / 0
317 / Leafeon, Sawsbuck / 95 / +Spe / 252 / 0
311 / Leavanny / 92 / +Spe / 252 / 0
309 / Chatot, Murkrow / 91 / +Spe / 252 / 0
306 / Mr. Mime / 90 / +Spe / 252 / 0
298 / Rotom-F, Rotom-S / 86 / +Spe / 252 / 0
Tier 3 - Neutral Base 70 to Max Base 85 (295-239)
295 / Articuno, Misdreavus / 85 / +Spe / 252 / 0
289 / Leafeon, Sawsbuck / 95 / Neutral / 252 / 0
289 / Gabite / 82 / +Spe / 252 / 0
287 / Monferno / 81 / +Spe / 252 / 0
284 / Arbok, Glalie, Grumpig / 80 / +Spe / 252 / 0
273 / Smeargle / 75 / +Spe / 252 / 0
272 / Klang / 50 / Neutral / 0 / +2
269 / Articuno, Golduck / 85 / Neutral / 252 / 0
261 / Monferno / 81 / Neutral / 252 / 0
259 / Altaria, Arbok, Stoutland / 80 / Neutral / 252 / 0
256 / Fraxure / 67 / +Spe / 252 / 0
249 / Kingler / 75 / Neutral / 252 / 0
244 / Meowstic-M / 104 / Neutral / 0 / 0
Tier 4 - Min Base 70 to Neutral Base 70 (239-177)
239 / Mightyena / 70 / Neutral / 252 / 0
236 / Rampardos / 58 / +Spe / 252 / 0
234 / Quilladin, Venipede / 57 / +Spe / 252 / 0
229 / Ursaring / 55 / +Spe / 252 / 0
219 / Pawniard / 60 / Neutral / 252 / 0
213 / Quilladin / 57 / Neutral / 252 / 0
209 / Relicanth, Weepinbell / 55 / Neutral / 252 / 0
206 / Misdreavus / 85 / Neutral / 0 / 0
203 / Gorebyss, Huntail / 52 / Neutral / 252 / 0
200 / Gabite / 82 / Neutral / 0 / 0
199 / Beartic, Regice / 50 / Neutral / 252 / 0
196 / Altaria, Grumpig / 80 / Neutral / 0 / 0
189 / Armaldo, Golem / 45 / Neutral / 252 / 0
Tier 5 - Min Base 50 to Min Base 70 (176-137)
176 / Politoed, Solrock, Vibrava / 70 / Neutral / 0 / 0
172 / Gogoat, Seaking / 68 / Neutral / 0 / 0
166 / Pelipper, Roselia / 65 / Neutral / 0 / 0
157 / Volbeat (0 IV) / 85 / -Spe / 0 / 0
156 / Tangela, Vullaby / 60 / Neutral / 0 / 0
150 / Quilladin / 57 / Neutral / 0 / 0
146 / Bouffalant, Relicanth / 55 / Neutral / 0 / 0
144 / Gourgeist-XL / 54 / Neutral / 0 / 0
Tier 6 - Min Base 50 and lower (136 and lower)
136 / Audino, Klang, Mawile, Metang, Muk, Prinplup, Regice / 50 / Neutral / 0 / 0
126 / Armaldo, Dusknoir, Golem, / 45 / Neutral / 0 / 0
116 / Camerupt, Probopass / 40 / Neutral / 0 / 0
106 / Clefairy / 35 / Neutral / 0 / 0
100 / Hippopotas, Stunfisk / 32 / Neutral / 0 / 0
96 / Duosion / 30 / Neutral / 0 / 0
92 / Avalugg / 28 / Neutral / 0 / 0
56 / Trapinch / 10 / Neutral / 0 / 0