Guide 18

Yes, the Guide 18 fits true to size for most runners, so your usual Saucony size is the right starting point. The forefoot is a medium width with adequate room across the toes, while the midfoot and heel are secure. If you run in thick socks or have higher-volume feet, going up half a size is a reasonable option. Runners with genuinely wide feet should look for a wide fitting where it is offered, as the standard fit leans secure rather than roomy.

Yes, marathon training is one of the Guide 18's core strengths. Its balanced cushioning and planted, supportive platform stay composed over long runs and hold up well across high weekly mileage, which is exactly what a training block demands. It is not a fast shoe, so you would pair it with something lighter for tempo and race-pace sessions, but for the easy and steady miles that make up most of a marathon build it is a dependable, comfortable choice.

It is a strong option for beginners. The gentle support keeps your foot centred and stable as you build fitness and form, which many new runners find reassuring, and the cushioning is protective without being unstable. It is forgiving over daily miles and needs little break-in. Beginners who overpronate mildly or simply want a secure, planted ride will get on with it well, and it is durable enough to absorb a lot of learning miles.

The main difference is support. The Guide 18 is Saucony's supportive daily trainer with gentle guidance for mild overpronators, while the Saucony Ride 18 is the neutral version with a similar cushioning feel but no added support element. If you overpronate or like a planted, secure ride, choose the Guide. If your gait is neutral and you want a slightly freer, more natural feel, the Ride is the better pick. They are otherwise close siblings in Saucony's everyday range.

Both are gentle, modern stability daily trainers aimed at mild overpronators, so they compete directly. The Brooks Adrenaline GTS 25 uses guide-rail support, while the Guide 18 relies on a broad, planted platform and structured heel. Feel comes down to preference: the Guide tends to ride a touch firmer and more secure, the Adrenaline a little softer. Both are dependable high-mileage shoes, so trying each and going with whichever fit and ride you prefer is the sensible approach.

Yes, durability is a strong point. As a daily trainer built for high weekly mileage, the Guide 18 uses a hard-wearing outsole and a cushioning setup that resists bottoming out, so it holds its shape and support over a long life. Most runners can expect a healthy number of training miles before the ride noticeably softens. That resilience is part of why it suits marathon-training blocks and heavier runners who put a lot of load through their shoes.