Brooks Ghost 15 VS 16: Here’s How To Choose
A comparison of two cushioned daily trainers, highlighting key specs, pros, cons, and the best fit for different runners.
Whether you’re looking for speed on the roads or versatility on mixed terrain, HOKA has you covered with two great models: the HOKA Mach 6 and the HOKA Challenger 7. These are two very popular and very different models from the Hoka brand, and you’re probably here because they do look quite similar, and the price is similar too.
I bet you’ve also heard they’re great performers – Well, turns out, both of these running shoes performed fantastically in my reviews, so I figured I’d help explain which one is going to be best for different types of runners, and the type of running they do well at.
Key Specifications
| Feature | Mach 6 | Challenger 7 |
|---|---|---|
| Price | $140 at Hoka | $145 at Hoka |
| Weight | 7.8 oz (221g) | 9 oz (255g) |
| Drop | 5mm | 5mm |
| Terrain | Road (Speed Training/Racing) | Hybrid (Road/Trail) |
| Cushioning | Responsive Supercritical Foam | EVA Foam Cushioning |
| Best for | 5k-Half Marathon Tempo Runs | Mixed Terrain Running |
| Stability | Neutral | Neutral |
What’s Good
HOKA Mach 6:
- Lightweight & Responsive: At just 7.8 oz, these are ideal for speedwork or racing for those on a budget. The supercritical foam provides bounce while staying comfortable.
- Breathable Upper: The new Creel jacquard mesh keeps feet cool and the design feels durable, making it great for hotter runs.
- Comfortable Fit: With ample toe box space, these shoes accommodate a wide variety of foot shapes, letting your toes splay naturally, and just like the Challenger 7, they also feature that amazingly comfortable and supportive articulate heel counter.
HOKA Challenger 7:
- Hybrid Versatility: These are excellent for transitioning between roads and trails. The 4mm lugs offer solid grip on various surfaces.
- All-Day Comfort: Despite being more cushioned for trail runs, the EVA foam midsole ensures they’re comfortable for longer runs without feeling sluggish.
- Durable Construction: The upper is designed for longevity, and the heel counter provides excellent Achilles support, which is ideal for more rugged terrain.
What’s Not So Good
HOKA Mach 6:
- Tongue Design: The tongue can slip down during runs, requiring mid-run adjustments; annoying when you’re trying to focus on speed but can be avoided by double lacing.
- Not Built for Trails: Strictly a road shoe, so if you plan to mix in trails, these won’t be your best bet.
HOKA Challenger 7:
- Lug Traction on Technical Terrain: While the lugs handle most surfaces well, they struggle on really slick or deep muddy trails compared to more aggressive Hoka trail shoes like the Mafate Speed 4 or Speedgoat 6, for example.
- Breathability: The upper, while durable, doesn’t breathe as well in hotter conditions compared to some other road to trail shoes like the Nike Pegasus Trail 5, for example.
Which One Should You Choose?
Mach 6 is the go-to for runners focused on speed and efficiency on the road. If you want a lightweight shoe for tempo runs or racing 5Ks and 10Ks, especially with a neutral foot strike, this is the shoe for you.
On the other hand, if your routes involve both roads and trails—or if you’re looking for something durable for those unpredictable off-road conditions, the Challenger 7 is ideal. It’s best for runners who need versatility without sacrificing comfort, particularly those with neutral feet who want a little more cushion for longer miles.
Looking for Alternatives?
Still unsure? Check out my Best Tempo Running Shoes Roundup for top alternatives to the Mach 6, or dive into my Top Road-to-Trail Shoes for more options like the Challenger 7.
What do you think? Share your thoughts below, and don’t forget to subscribe to my newsletter for more gear reviews and training tips.
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