Asics Gel-Nimbus Trainers - Green/Black - UK 8

Yes, the GEL cushioning technology is designed to provide comfort and reduce impact, making them suitable for long-distance running like marathons.

These shoes are specifically designed for road running. While the rubber outsole offers good traction, it may not be sufficient for the varied and often uneven terrain of trail running. Using them on trails could lead to reduced performance and increased wear.

Ensure there is a thumb's width of space between your longest toe and the end of the shoe when standing. The shoe should feel snug but not tight, with no pinching or excessive heel slippage.

It is generally recommended to replace running shoes every 300-500 miles (or 500-800 kilometers), or when you notice significant wear on the outsole or a loss of cushioning.

The primary benefit of GEL cushioning is its ability to absorb shock effectively, which helps to reduce the stress placed on your feet and joints during high-impact activities like running.

No, machine washing is not recommended as it can damage the materials and construction of the shoes. It's best to clean them by hand using a damp cloth.

Ensure the correct size is selected. Try wearing thicker or different socks. Break the shoes in gradually with shorter runs before attempting long distances.

Inspect the outsole for excessive wear or debris. Clean the outsole with a damp cloth. If wear is significant, consider replacement.

Ensure laces are not tied too tightly, obstructing airflow. Consider moisture-wicking socks. For extreme heat, ensure proper hydration.