| Spec | Wave Inspire 21 | Guide 19 |
|---|---|---|
| Best price now | £69.99 | £84.00 |
| 90-day low | £69.99 | £84.00 |
| 30-day average | £104.14 | £102.95 |
| RRP | £145.00 | £150.00 |
| Category | Stability | Stability |
| Surface | Road | Road |
| Weight | 295g | 275g |
| Drop | 12mm | 6mm |
| Heel stack | 38mm | 35mm |
| Forefoot stack | 26mm | 29mm |
| Carbon plated | No | No |
| Stability | No | No |
| Review rating | — | — |
The Wave Inspire 21 is Mizuno's dependable stability running shoe, built for runners who want gentle support without a corrective, medical feel. This is a daily training shoe first and foremost: high 12mm drop, a firm and planted ride, and enough structure to keep a mild overpronator honest over the miles. At around 295g it is not light, and it never pretends to be fast. What it does well is turn up every day and hold its shape, which is exactly what a lot of runners want from their main trainer. In our view it sits in the same conversation as the Asics GT-2000 14 and the Brooks Adrenaline GTS 25: honest, supportive daily miles rather than plush luxury or race-day pop. If you overpronate a little and want a shoe that just works, it earns its place. Runners chasing a soft, bouncy ride should look elsewhere.
The Saucony Guide 19 is a supportive daily training shoe built for runners who want gentle stability without a clunky, over-corrected ride. It sits in the classic stability daily trainer bracket: the shoe you reach for on easy runs, steady miles and long slow distance when your form starts to soften. Instead of a rigid medial post, the Guide leans on a centre-path guidance frame that keeps your foot tracking straight and only nudges you back when you drift. With a 35mm heel, 6mm drop and a 275g weight, this is a cushioned, planted running shoe rather than a light and lively one. We rate it as one of the safer picks for mild overpronators and neutral runners who simply like a stable, dependable platform. If you want a everyday mile-eater that keeps your legs honest over distance, the Guide 19 earns its place. Just do not expect it to feel fast.
A side-by-side comparison makes the trade-offs between two running shoes easy to see, but the right pick still depends on how you run. Weight and stack height shape the feel underfoot: a lighter shoe with a lower stack feels nimble and fast, while a heavier, taller stack gives a softer, more protective ride for long miles. Heel-to-toe drop changes where you feel the load, with lower drops asking more of the calves and Achilles.
The price figures update from the UK retailers we track daily. The best price now is the cheapest tracked price we can currently link to, the 90-day low shows how cheap the shoe has been recently, and the 30-day average tells you whether a price is a genuine drop or just the going rate. Coverage is partial rather than complete, so always confirm the final price and your size on the retailer site, and set a price alert on the model you want so we can email you the moment it drops.
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