assistant: For beginners, the best injury prevention is a comfortable shoe that encourages consistency — prioritize cushioning and a stable platform over speed features. Replace shoes every 300–500 miles, and remember that a proper fit (thumb’s width of space ahead of your longest toe) matters more than any brand. **Best overall:** **Saucony Ride v19** — A reliable, neutral daily trainer with soft cushioning that’s perfect for easy miles. At $140, it’s affordable and versatile enough to grow with you as you add distance. **Structured stability:** **New Balance 880 v15** — Firm, stable, and built like a tank. Its pronounced rocker rolls you forward smoothly, and the wide base gives extra security if you’re worried about wobbling. **Softer alternative:** **New Balance 1080 v15** — Lighter and bouncier than the 880, with a plush upper that wraps your foot comfortably. It’s a premium pick at $170, ideal if you prefer a more forgiving feel underfoot.