Fujispeed 4
Trail racing flat engineered for speed on off-road courses, balancing grip and lightweight performance for competitive trail runners.
- Terrain
- trail
- Primary use
- Short trail race
- Races
- 5K–10K
- Also good for
- Medium trail race, Technical trail, Uphill / vertical, Daily trail training
- Cushion
- moderate
- Firmness
- firm
- Stability
- neutral
- Weight
- 240g
- Drop
- 5mm
- Stack
- 26/21mm
- Lug
- 3.5mm
- Plate
- composite
- Midsole
- Dual-layer FF BLAST PLUS
- Outsole
- ASICSGRIP
- Upper
- Woven upper
- Widths
- standard
- Release
- 2025
The Fujispeed 4 positions itself as a dedicated trail race-day shoe emphasizing speed and control, with a plated, energetic platform at 240g and a low 5mm drop. Manufacturer evidence supports its racing intent, but no independent testing is available to confirm real-world ride, fit, or durability claims.
Firm, low-slung ride with a moderate 26/21 mm stack and 5 mm drop that keeps the platform quick and connected to the ground.
Standard width only with a snug, race-oriented fit; no wide option for runners needing extra volume.
Competitive runners racing shorter, faster trail and mixed-surface courses where low weight and ground feel matter.
You need rock protection on technical terrain, a stable platform, or cushioning for ultra distances.