Real owners lean toward the Saucony Endorphin Speed 4: 75% of 134 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
Real owners lean toward the Saucony Endorphin Speed 4: 75% of 134 owners recommend it, vs 55% of 309 for the Adidas Adizero Boston 13.
Owners point the Adidas Adizero Boston 13 at runners doing tempo and faster workouts, and those wanting one versatile do-it-all trainer.
Owners point the Saucony Endorphin Speed 4 at runners wanting a plated tempo and uptempo shoe, and those doing race-pace workouts and faster efforts.
The most-cited downside of the Adidas Adizero Boston 13 is too firm for easy, slow long runs. For the Saucony Endorphin Speed 4, it's narrow, pointy toebox cramps and rubs the pinky toe.