Step 02 — The lineup

Matched to
Adidas Adizero Boston 9

6 shoes scored across eleven metrics · Any purpose

6 matched, side by side

Click any shoe for sizing & durability
The match
Weight
Drop
Stack
Plate
Pace
Price

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Adidas Ultraboost 5 — Boost comfort first, running second. Great for walking and easy miles.

Sizing note

Everything here fits true to size. Leave a thumbnail of space at the toe.

Durability

Expect roughly 400 miles before the midsole flattens out.

Step 03 — Every metric

The full comparison

MetricAdidas Adizero Boston 9(2020)Adidas Supernova StrideOn Cloud X 4Under Armour HOVR Turbulence 2Nike Winflo 11On Cloud X ShiftOn Cloudgo
Weight275 g / 9.7 oz280 g / 9.9 oz268 g / 9.5 oz290 g / 10.2 oz283 g / 10.0 oz270 g / 9.5 oz259 g / 9.1 oz
Drop10 mm10 mm9 mm8 mm10 mm8 mm11 mm
Stack (heel)30 mm33 mm30 mm30 mm35 mm32 mm30 mm
Cushioning
Flexibility
Stability (5 = most guidance)
Rocker geometry
Energy return
Responsiveness
Toe-boxStandardStandardStandardStandardStandardStandardStandard
Plate———————
Intended pace6:45–9:15 /mi8:00–11:00 /mi7:30–10:00 /mi8:30–11:30 /mi8:30–11:30 /mi8:00–11:00 /mi8:30–11:30 /mi
PurposeTempo, DailyDailyDaily, TempoDailyDaily, Long runDailyDaily
SizingTrue to sizeTrue to sizeTrue to sizeTrue to sizeTrue to sizeTrue to sizeTrue to size
Durability~400 mi~450 mi~350 mi~350 mi~450 mi~400 mi~400 mi
Price$120$110$150$90$105$160$130

Your reference shoe is shown first for context. Cushioning, flexibility and stability are rated 1–5, where 5 stability means the most guidance and 1 means fully neutral.