ADV ZU Speed Tiers

Stat / Pokemon / Base / Nature / EVs / Boosts

Speed Tier 1 -- Faster than Base 100
644 / Luvdisc / 97 / +Spe / 252 / Rain
590 / Ledian / 85 / +Spe / 252 / +2
586	/ Luvdisc / 97 / Neutral / 252 / Rain
528 / Skiploom / 80 / +Spe / 252 / Sun
480 / Growlithe / 60 / +Spe / 252 / +2
480 / Nuzleaf / 60 / +Spe / 252 / Sun
480 / Masquerain / 60 / +Spe / 252 / +2
470 / Seaking / 68 / Neutral / 252 / Rain
438 / Growlithe / 60 / Neutral / 252 / +2
438 / Horsea / 60 / Neutral / 252 / Rain
438 / Masquerain / 60 / Neutral / 252 / ±2
436 / Bagon / 50 / +Spe / 252 / +2
398 / Larvitar / 41 / +Spe / 252 / +2
393 / Onix / 70 / +Spe / 252 / +1
376 / Cyndaquil / 65 / +Spe / 252 / +1
362 / Larvitar / 41 / Neutral / 252 / +2
360 / Farfetch'd / 60 / +Spe / 252 / +1
354 / Croconaw / 58 / +Spe / 252 / +1
348 / Sunflora / 30 / +Spe / 252 / Sun
343 / Cyndaquil / 65 / Neutral / 252 / +1
343 / Psyduck / 55 / +Spe / 252 / +1

Speed Tier 2 -- Voltorb through Delibird
328 / Voltorb / 100 / +Spe / 252 / ±0
328 / Farfetch'd / 60 / Neutral / 252 / +1
327 / Bagon / 50 / +Spe / 252 / +1
327 / Snorunt / 50 / +Spe / 252 / +1
322 / Croconaw / 58 / Neutral / 252 / +1
318 / Sunflora / 30 / Neutral / 252 / Sun
317 / Elekid / 95 / +Spe / 252 / ±0
306 / Meowth / 90 / +Spe / 252 / ±0
306 / Poliwag / 90 / +Spe / 252 / ±0
298 / Larvitar / 41 / +Spe / 252 / +1
295 / Aipom / 85 / +Spe / 252 / ±0
295 / Illumise / 85 / +Spe / 252 / ±0
295 / Ledian / 85 / +Spe / 252 / ±0
295 / Staryu / 85 / +Spe / 252 / ±0
295 / Taillow / 85 / +Spe / 252 / ±0

Speed Tier 3 -- Delibird through Adamant Castform
273 / Delibird / 75 / +Spe / 252 / ±0
271 / Larvitar / 41 / Neutral / 252 / +1
269 / Illumise / 85 / Neutral / 252 / ±0
265 / Pidgeotto / 71 / +Spe / 252 / +0
264 / Skiploom / 80 / +Spe / 252 / ±0
262 / Butterfree / 70 / +Spe / 252 / ±0
262 / Castform / 70 / +Spe / 252 / ±0
262 / Delcatty / 70 / +Spe / 252 / ±0
262 / Mankey / 70 / +Spe / 252 / ±0
262 / Natu / 70 / +Spe / 252 / ±0
262 / Onix / 70 / +Spe / 252 / ±0
256 / Chinchou / 67 / +Spe / 252 / ±0
251 / Nidorino / 65 / +Spe / 252 / +0
251 / Cyndaquil / 65 / +Spe / 252 / +0
241 / Pidgeotto / 71 / Neutral / 252 / +0
240 / Farfetch'd / 60 / +Spe / 252 / ±0
240 / Growlithe / 60 / +Spe / 252 / ±0
240 / Masquerain / 60 / +Spe / 252 / ±0
240 / Nuzleaf / 60 / +Spe / 252 / ±0
240 / Spoink / 60 / +Spe/ 252 / ±0
240 / Wailmer / 60 / +Spe / 252 / ±0

Speed Tier 4 -- Adamant Castform through WishPass Delcatty
239 / Castform / 70 / Neutral / 252 / ±0
239 / Delcatty / 70 / Neutral / 252 / ±0
236 / Croconaw / 58 / +Spe / 252 / ±0
235 / Seaking / 68 / Neutral / 252 / ±0
233 / Chinchou / 67 / Neutral / 252 / ±0
229 / Nidorino / 65 / Neutral / 252 / +0
229 / Cyndaquil / 65 / Neutral / 252 / +0
219 / Farfetch'd / 60 / +Spe / 252 / ±0
219 / Growlithe / 60 / +Spe / 252 / ±0
219 / Horsea / 60 / +Spe / 252 / ±0
219 / Masquerain / 60 / +Spe / 252 / ±0
219 / Spoink / 60 / Neutral / 252 / ±0
219 / Wailmer / 60 / +Spe / 252 / ±0
219 / Zigzagoon / 60 / +Spe / 252 / ±0
218 / Bagon / 50 / +Spe / 252 / ±0
218 / Snorunt / 50 / +Spe / 252 / ±0
215 / Croconaw / 58 / Neutral / 252 / ±0
207 / Magnemite / 45 / +Spe / 252 / ±0
199 / Larvitar / 41 / +Spe / 252 / ±0
196 / Marill / 40 / +Spe / 252 / ±0
185 / Cacnea / 35 / +Spe / 252 / ±0
185 / Cubone / 35 / +Spe / 252 / ±0
181 / Larvitar / 41 / Neutral / 252 / ±0
179 / Marill / 40 / Neutral / 252 / ±0

Speed Tier 5 -- WishPass Delcatty through Pineco
176 / Delcatty / 70 / Neutral / 0 / ±0
174 / Parasect / 30 / +Spe / 252 / ±0
174 / Sunflora / 30 / +Spe / 252 / ±0
170 / Chinchou / 67 / Neutral / 0 / ±0
169 / Cubone / 35 / Neutral / 252 / ±0
166 / Dustox / 65 / Neutral / 0 / ±0
163 / Rhyhorn / 25 / +Spe / 252 / ±0
159 / Parasect / 30 / Neutral / 252 / ±0
159 / Sunflora / 30 / Neutral / 252 / ±0
156 / Bayleef / 60 / Neutral / 0 / ±0
149 / Grimer / 25 / Neutral / 252 / ±0
149 / Rhyhorn / 25 / Neutral / 252 / ±0
116 / Exeggcute / 40 / Neutral / 0 / +0
106 / Clefairy / 35 / Neutral / 0 / ±0
106 / Koffing / 35 / Neutral / 0 / ±0
96 / Aron / 30 / Neutral / 0 / ±0
96 / Nosepass / 30 / Neutral / 0 / ±0
96 / Parasect / 30 / Neutral / 0 / ±0
86 / Grimer / 25 / Neutral / 0 / ±0
86 / Rhyhorn / 25 / Neutral / 0 / ±0
82 / Lileep / 23 / Neutral / 0 / ±0
66 / Pineco / 15 / Neutral / 0 / ±0