ASICS GT-1000 15 Preview: Everything You Need to Know About the June 2026 Launch

What Is the ASICS GT-1000 15?

The ASICS GT-1000 15 is the latest iteration of ASICS’s entry-level stability running shoe, launching in June 2026. The GT-1000 series has long been one of the most popular beginner-to-intermediate running shoes in the UK, sitting at an accessible price point while delivering genuine ASICS cushioning and support technology. The 15th edition builds on the GT-1000 14 with updated midsole foam and a refreshed upper design.

Key Specs (Expected)

• Category: Entry-level stability trainer — suitable for mild overpronators
• Midsole: Updated FF Foam Lite cushioning (an evolution of the GT-1000 14’s platform)
• Stack height: Approximately 22mm heel / 12mm forefoot (10mm drop)
• Upper: Updated engineered mesh with improved breathability for warmer conditions
• Expected weight: Approximately 260–280g for a men’s UK 9
• Expected UK price: Around £99–£115 at launch
• Launch date: June 2026 — available for pre-order from ASICS UK now

Who Is It For?

The GT-1000 15 is aimed squarely at beginner and recreational runners who overpronate mildly and want a dependable, everyday training shoe. For triathletes, it fits best as a general training shoe for easy runs and long slow distance sessions rather than as a race-day flat. Its stability features (medial post and firmer midsole on the inner side) make it a sensible choice for athletes who find neutral shoes cause knee or hip discomfort.

GT-1000 15 vs GT-1000 14: What’s Changed?

ASICS has updated the midsole composition in the 15 to improve energy return without sacrificing the cushioned, protective feel the series is known for. The upper uses a higher proportion of recycled materials in line with ASICS’s sustainability commitments, and the outsole rubber coverage has been extended for improved durability over 500+ training miles. If you already own and love the GT-1000 14, the 15 is a direct upgrade worth considering when your current pair reaches the end of its life.

Is It a Good Triathlon Training Shoe?

For brick sessions, easy runs, and high-volume training weeks, yes. The GT-1000 15 is a durable, protective shoe that will handle 50–60km per week reliably. However, it’s not a race shoe — you’ll want something lighter like the ASICS Metaspeed Sky or Superblast 3 for race day itself. Think of the GT-1000 15 as your “workhorse” shoe: the one you build fitness in, so you can race fast in something else.

When to Buy

The GT-1000 15 launches June 2026. Pre-orders are available directly from ASICS UK. The GT-1000 14 — the current version — is widely available on Amazon UK and at UK running retailers, often at a discount as the new model approaches. If you need a stability trainer now, the 14 offers excellent value and nearly identical technology. If you’re in no rush, waiting for the 15 makes sense for the latest upper and foam updates.