

| Spec | Structure 25 | ForeverRun Nitro 1 |
|---|---|---|
| Best price now | £59.99 | £60.00 |
| 90-day low | £59.99 | £60.00 |
| 30-day average | £80.38 | £62.72 |
| RRP | £130.00 | £150.00 |
| Category | Stability | Stability |
| Surface | Road | Road |
| Weight | 289g | 274g |
| Drop | 10mm | 10mm |
| Heel stack | 37.7mm | 40mm |
| Forefoot stack | 27.7mm | 30mm |
| Carbon plated | No | No |
| Stability | No | No |
| Review rating | - | - |
The Nike Structure 25 is a support-minded daily training shoe built for runners who want a bit of guidance under the foot without giving up an everyday, do-anything feel. This is a stability running shoe in the traditional mould: a firm, planted ride, a 10mm drop that heel-strikers will get on with, and enough structure to keep a mild overpronator tracking straight through the back half of a long run. It is not light. At 289g it sits at the heavier end of the daily-trainer market, and you feel that on faster days. But that mass buys durability and calm. We rate it as a steady, dependable mileage shoe rather than an exciting one, and it makes most sense for runners logging easy and steady miles who value support over pop. If you want a livelier neutral ride from the same stable, the Nike Pegasus 42 is the natural alternative. For structured support, the Structure 25 does its job honestly.
The ForeverRun Nitro is Puma's answer to the big, dependable stability trainer, and it lands squarely in that daily-mileage space rather than trying to be fast. This is a supportive road running shoe built for runners who want their legs held steady over long, repeated miles. At 274g it is a substantial shoe, and you feel that weight, but you also feel the reward: a stable, planted platform with a 10mm drop that suits heel and midfoot strikers alike. Puma leans on structure rather than a firm medial post you can feel, so the guidance is there without shouting. If you have bounced off aggressive stability shoes like the Asics Gel Kayano in the past, this is a gentler take on the same idea. We rate it as a genuine long-run workhorse for overpronators and heavier runners who value durability and calm underfoot over pace.
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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