Hyperion GTS 2 vs Structure 25

The Hyperion GTS 2 is the stability running shoe for people who don't think of themselves as stability runners. Brooks took the light, quick Hyperion tempo shoe and added GuideRails support, so you get a shoe that wants to move at pace but keeps your stride honest when your form goes ragged late in a run. At 220g it is genuinely light for a supportive road shoe, with a 10.7mm drop and a moderate 33mm heel stack that leans firm and responsive rather than plush. This is not a max-cushion mile-muncher. It is a do-it-all trainer for overpronators who still want to run tempo, race a 10k or bang out a fast parkrun without dragging a heavy motion-control brick around. If you want the same ride without the support, the Hyperion 3 is the neutral sibling. We rate it as one of the more versatile lightweight stability shoes on the market.

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.