Adidas Adizero Evo SL vs Saucony Endorphin Azura:
Which to Choose

Underfoot the two are more alike than not — both are high-cushion, high-responsiveness neutral platforms (5/6 on each in our metrics) that generate their rebound purely from foam, with no plate steering the ride. The Evo SL's Lightstrike Pro and the Azura's PWRRUN PB are both PEBA-class foams, and both share the same mild trade-off: a slightly tippy, unsettled feel at very slow jogging speeds that disappears once you're moving with intent. The differences are in geometry and intent. The Evo SL is the lighter, lower shoe at about 224 g with a 39 mm heel / 33 mm forefoot stack, versus the Azura at 241 g on a 41 mm heel / 33 mm forefoot stack — so they share a forefoot height, but the Azura carries more foam under the heel and runs a higher 8 mm drop against the Evo SL's 6 mm. That shows up in the ride: the Evo SL feels snappier and quicker to transition, tuned for its 3:45–4:30 min/km fast zone and happiest over 5K to the half with the 10K as its sweet spot. The Azura's rolling, less urgent transition and taller heel suit a slightly more relaxed 4:30–5:15 min/km cruising range, and it extends the useful distance upward — 10K through the marathon, with the half as its home. In short, same foam philosophy, but the Evo SL is the sharper short-course tool and the Azura the more versatile long-run and daily workhorse.