Our verdict
The Adidas Prime SP2 is a phenomenal track spike ready to dominate sprints from 60m to 400m, hurdles included. In our lab tests, we discovered its winning combination of energetic bounce, impressive durability, and exceptional breathability. While slightly heavier and with a premium price tag, the Prime SP2 delivers performance and reliability for demanding sprinters seeking fast times across various distances.
- Our top pick in best running spikes
- Our top pick in best sprints running spikes
Pros
- Exceptionally breathable
- Impressive overall durability
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- Ideal for hurdles
- Premium feel and design
Cons
- Slightly heavy
- Needs notched laces
- High price point
Audience verdict
Comparison
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Audience score | 86 Great! | 76 Good! | 87 Great! | 93 Great! | |
Price | $180 | $180 | $70 | $150 | |
Weight lab | 6.5 oz / 183g | 6 oz / 169g | 6.2 oz / 176g | 5.5 Kapcie Adidas Originals Adilette W | |
Breathability | Breathable | Moderate | Warm | Breathable | |
Use | HurdlesSprints | HurdlesSprints | Sprints | HurdlesSprints | |
Removable spikes | ✓ | ✓ | ✓ | ✓ | |
Toebox width at the widest part | Medium | Medium | Medium | Narrow | |
Toebox width at the big toe | Medium | Wide | Medium | Medium | |
Drop lab | -5.8 mm | -0.9 mm | 1.8 mm | 0.0 mm | |
Midsole softness | Balanced | Balanced | - | - | |
Tongue padding | Average | Average | Very thick | Thin | |
Stiffness | Stiff | Stiff | Flexible | Moderate | |
Torsional rigidity | Stiff | Stiff | Moderate | Moderate | |
Heel counter stiffness | Flexible | Moderate | Flexible | Flexible | |
Outsole thickness | Thin | Thin | Average | Very thick | |
Outsole hardness | - | - | Very hard | - | |
Heel tab | None | None | None | Finger loop | |
Blouson Adidas Originals x Star wars 2011 "Garde Royale" | 11.0 mm | 15.9 mm | 10.4 mm | 12.3 mm | |
Forefoot | 16.8 mm | 16.8 mm | 8.6 mm | 12.3 mm | |
Insole thickness | Average | Average | Average | Average | |
Midsole width in the forefoot | Very wide | Average | Average | Very narrow | |
Midsole width in the heel | Average | Average | Very narrow | Very narrow | |
Ranking | #5 Bottom 37% | #8 Bottom 1% | #3 Top 38% | #2 Top 25% | |
Popularity | #5 Bottom 37% | #1 Top 13% | #6 Bottom 25% | #3 Top 38% |
Who should buy
We believe the Adidas Prime SP2 is a top-tier choice for sprinters who prioritise both performance and durability. Here's why:
- Those seeking a long-lasting spike will appreciate the durable construction designed for multiple seasons of intense training and racing.
- Athletes craving a snappy, responsive ride will love the Lightstrike Pro foam and carbon plate, as it balances energy return with exceptional longevity.
- The best-in-class breathability makes this a winning choice for summer training!
Who should NOT buy
We believe the SP2's heavier weight can be a drawback for some. If you crave that ultra-lightweight sensation and responsive bounce, we highly recommend the Nike Air Zoom Maxfly.
Additionally, the SP2 commands a premium price. For those seeking a more budget-friendly option, the adidas Yeezy Boost 350 V2 Infant "Zyon" For Sale quantity delivers fantastic value. It offers more versatility and comfort, and we think it's especially appealing for track rookies.
Breathability
While breathability isn't always top priority in sprint spikes like the SP2, in our view, it matters, especially for training sessions. That's why we were thrilled to find the Prime SP2's super-breathable upper earns a perfect 5/5 rating.
Adidas made an intelligent design choice here by crafting an upper with calculated variations in thickness, as we found they achieved impressive breathability without sacrificing stability.
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We examined the upper with our microscope and discovered an incredibly thin engineered mesh that does an outstanding job promoting airflow.
Finally, analysing the entire upper, we noted clear inspiration from Adidas Adizero road racing shoes like the Track Top Tracksuit Jacket ADIDAS X STAR WARS DARTH VADER M.
This focus on comfort, especially in the heel and tongue, is a welcome surprise in such an aggressively fast spike.
Prime SP2 | 5 |
Average | 3.6 |
adidas originals Pantaloni Superstars | Durability
Toebox durability
We knew the breathable, super-thin toe box design promised excellent airflow in the SP2, but our lab Dremel test delivered unexpected results!
After enduring the Dremel, the upper showed remarkably minimal damage, earning a perfect 5/5 on our durability scale. This impressive combination of near-transparent airflow and outstanding durability left us impressed.
![adidas prime sp 2 toebox durability 21241157 main](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-toebox-durability-21241157-main.jpg)
Prime SP2 | 5 |
Average | 2.9 |
adidas run thru time 90s pack
After its second encounter with the Dremel, minimal damage earned the heel of the Prime SP2 an impressive 4/5 on our scale.
This level of durability translates to long-lasting performance. We're sure that you can count on the heel to retain its fabric through hundreds of sprint training sessions.
![Adidas Prime SP2 adidas run thru time 90s pack](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-heel-padding-durability-21241158-main.jpg)
Prime SP2 | 4 |
Average | 4 |
Outsole thickness
Our calliper revealed a thin outsole on the SP2: 2.0 mm.
The outsole boasts numerous grippy protrusions for enhanced traction.
We strongly believe this strategic design maximises the spike performance. By eliminating unnecessary bulk, it brings the ground closer to the midsole, translating to enhanced energy return and faster transitions with every stride.
![adidas prime sp 2 outsole thickness 21241161 main](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-outsole-thickness-21241161-main.jpg)
Prime SP2 | 1.9 mm |
Average | 3.1 mm |
Cushioning
Heel stack
With its razor-thin 11.0 mm heel, the SP2 demands near-perfect running form and rewards speed.
This uncompromising heel design promotes aggressive forefoot striking. It's certainly not a beginner-friendly choice, but for experienced sprinters who crave lightning-fast sessions, the SP2 delivers an exceptionally satisfying ride.
![Adidas Prime SP2 Heel stack](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-heel-stack-21241173-main.jpg)
Prime SP2 | 11.0 mm |
Average | 13.9 mm |
Forefoot stack
With 16.8mm of stack height under the forefoot, we know that every sprinter will experience incredible energy return from the TPEE-based Lightstrike Pro foam.
![Adidas Prime SP2 Forefoot stack](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-forefoot-stack-21241165-main.jpg)
Prime SP2 | 16.8 mm |
Average | 13.2 mm |
Drop
We measured the SP2's heel-to-toe drop at -5.8mm, a steep incline perfectly suited for unleashing powerful sprints.
Yet, it's not all about the drop. Inside the SP2, a full-length carbon fibre plate sits directly on top of the midsole, working in tandem with that aggressive offset and the foam to maximise speed.
![Adidas Prime SP2 Drop](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-drop-21241174-main.jpg)
Prime SP2 | -5.8 mm |
Average | 0.7 mm |
Midsole softness
Adidas equipped the SP2's forefoot with its premium Lightstrike Pro foam, the same used in top-tier racing shoes. This translates to a peppy, responsive feel underfoot. Our durometer measured a softness of 22.3 HA, a well-balanced choice that ensures optimal energy return.
While a slightly softer foam might feel even more plush, it could compromise overall speed. With that in mind, we hope that future iterations of the SP2 push toward an even firmer feel for ultimate performance, as that's what this shoe is about.
![Adidas Prime SP2 Midsole softness](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-midsole-softness-21241175-main.jpg)
Prime SP2 | 22.3 HA |
Average | 26.7 HA |
Insole thickness
At 3.2 mm, the SP2's insole is definitely on the thicker side for a sprint spike, deviating from the ultra-thin designs typically favoured by racers.
![Adidas Prime SP2 Insole thickness](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-insole-thickness-21241177-main.jpg)
Prime SP2 | 3.2 mm |
Average | 3.0 mm |
Flexibility
Stiffness
As expected with its full-length carbon plate, the SP2 put up a fierce fight in our 90-degree bend test. It took a massive 66.6N of force from us to achieve the desired angle, confirming the incredible rigidity that translates to that powerful, snappy feeling underfoot.
Prime SP2 | 66.6N |
Average | 29.1N |
Stability
adidas originals Pantaloni Superstars | Torsional rigidity
Next up was our hands-on torsional rigidity test. We could barely induce any twisting at all, earning it a perfect 5/5 score.
Prime SP2 | 5 |
Average | 2.8 |
Heel counter stiffness
While the SP2 boasts an exceptionally stiff midsole, the heel area is actually the opposite. We found a complete lack of structural support, making it remarkably flexible and earning a low 1/5 on our rigidity scale.
Prime SP2 | 1 |
Average | 1.7 |
Midsole width in the forefoot
The SP2 was clearly designed for aggressive forefoot striking, a philosophy reinforced by its extra-wide forefoot.
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![Adidas Prime SP2 Midsole width in the forefoot](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-midsole-width-in-the-forefoot-21241178-main.jpg)
Prime SP2 | 99.6 mm |
Average | 92.8 mm |
Midsole width in the heel
Our measurements revealed an extremely narrow heel at 61.4mm, mirroring the spike's visually aggresive shape.
![adidas prime sp 2 midsole width in the heel 21241166 main](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-midsole-width-in-the-heel-21241166-main.jpg)
Prime SP2 | 61.4 mm |
Average | 59.7 mm |
Size and fit
Toebox width at the widest part
We were pleasantly surprised by the width of the SP2's toebox.
Measuring a full 90.0 mm across its widest point, this spike is a good choice for sprinters with wider feet.
![Adidas Prime SP2 Toebox width at the widest part](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-toebox-width-at-the-widest-part-21241167-main.jpg)
Prime SP2 | 90.0 mm |
Average | 87.9 mm |
Toebox width at the big toe
We measured a significant taper in the big toe area, coming in much narrower at 68.3 mm.
![adidas prime sp 2 toebox width at the big toe 21241179 main](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-toebox-width-at-the-big-toe-21241179-main.jpg)
Prime SP2 | 68.3 mm |
Average | 73.1 mm |
Removable pins
The Adidas SP2 features a 6-pin configuration on its outsole, fully adaptable to your preferences as those pins are, of course, removable.
We have to ask, though: could this be one of the most jaw-dropping outsoles we've ever encountered across all categories of footwear, not just sprint spikes? Wow!
![Adidas Prime SP2 Removable pins](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-removable-pins-21245127-main.jpg)
Comfort
Tongue padding
We found the heavily padded 4.1-mm tongue provided comfortable lockdown. We could cinch those laces tightly with no hint of discomfort.
However, the flat laces themselves feel disappointingly basic. With many competitors opting for notched laces for secure fit, these ones seem almost an afterthought.
![Adidas Prime SP2 Tongue padding](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-tongue-padding-2-21245085-main.jpg)
Prime SP2 | 4.1 mm |
Average | 3.0 mm |
Heel tab
We were a bit surprised that the Prime SP2 doesn't include a pull tab like other Adizero models.
![Adidas Prime SP2 Heel tab](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-heel-tab-2-21245086-main.jpg)
Prime SP2 | None |
Weight
Weight is, without a doubt, the Adizero SP2's biggest flaw. At 6.5 oz (183g), we believe Adidas has ample room to streamline this spike for the SP3 update.
This isn't to say the shoe feels excessively heavy, but this weight puts it at a slight disadvantage compared to the elite lightness found in its top competitors.
![Adidas Prime SP2 Weight](https://cdn.runrepeat.com/storage/gallery/product_content/39081/adidas-prime-sp-2-weight-2-21245087-main.jpg)
Prime SP2 | 6.46 oz (183g) |
Average | 5.57 oz (158g) |