Running shoes · owner-verdict comparison

Adidas Adizero Boston 13 vs Saucony Endorphin Speed 5: what real owners say

Real owners lean toward the Saucony Endorphin Speed 5: 62% of 60 owners recommend it, vs 55% of 309 for the Adidas Adizero Boston 13.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Adidas Adizero Boston 13

55%of 309 owners recommend
55% recommend · 20% neutral · 25% don't
Owners praise
  • Much-improved upper over the 12
  • Versatile do-everything trainer
  • Great for tempo and faster paces
Owners complain about
  • Too firm for easy, slow long runs
  • Laces and lockdown are fiddly
  • Narrow, tapered toe box
Full owner report →

Saucony Endorphin Speed 5

62%of 60 owners recommend
62% recommend · 13% neutral · 25% don't
Owners praise
  • More stable and planted than past versions and rivals like the Evo SL
  • Versatile do-everything trainer that handles tempo, speed work, and longer runs
  • Improved fit with roomier toe box and more secure upper than the 4
Owners complain about
  • Firmer, more muted ride that lost some of the bounce and punch of earlier Speeds
  • Outsole and midsole wear early, going flat by roughly 230-350 km
  • Happiest at shorter, faster efforts; feet ache past the half marathon
Full owner report →

What Adidas Adizero Boston 13 owners say

“I love the 12 so much I will choose the 13 over EVO SL any time”
— @olsa2k on YouTube
“So i bought the Boston 13 and like it much more.”
— @marcojo111 on YouTube
“i found the 12’s. WAY too hard.”
— @neilhulme8426 on YouTube

What Saucony Endorphin Speed 5 owners say

“find it good for pretty much everything”
— @TimGrose on YouTube
“More pep, more bounce, more comfort, very pleasant overall”
— @destrucciondeldiablo on YouTube
“I wanted so badly to love the ES4 but the toe box taper made it unbearable just crushing my pinky toe.”
— @nate_collins on YouTube