Saucony - Endorphin Speed 5 Trainers - Black - Size UK 8.5

The primary benefit is its ability to deliver a fast and smooth running experience, facilitated by its newly designed nylon plate and responsive PWRRUN PB cushioning.

Yes, the Endorphin Speed 5 is designed for speed and can be a great option for marathon racing for runners who prefer a responsive and propulsive feel.

Nylon plates generally offer a more flexible and forgiving ride compared to the stiffer, more aggressive feel of carbon plates. They still provide significant energy return but can be more comfortable for daily training and longer efforts.

While they are versatile, the Endorphin Speed 5 is optimized for faster running. For very slow recovery jogs, a shoe with softer, more traditional cushioning might be preferred by some runners. However, many runners find them comfortable enough for daily use.

Clean gently with a damp cloth and mild soap if necessary. Always air dry them away from direct heat.

It is intended for adult runners who want a shoe that feels fast and smooth for tempo runs, track workouts, and racing, or for everyday training where a faster feel is desired.

No, the Endorphin Speed 5 is designed for road and track running. It does not have the specific features like aggressive tread or rock protection needed for trail running.

Ensure laces are adjusted properly. If still tight, consider if this is the correct size for your foot shape. Different lacing techniques can also help customize fit.

Ensure the shoes are clean and free from excessive mud or debris that might impede the plate or cushioning. Check for any signs of significant wear and tear.

Verify that the shoe size and width are appropriate for your feet. Break in the shoes gradually over a few runs. Consider lacing adjustments to alleviate pressure points.