Brooks Ghost 13 vs Adidas Ultraboost 21

Brooks Ghost 13

Adidas Ultraboost 21

WINNER Adidas Ultraboost 21

The comparison between the Adidas Ultraboost 21 and Brooks Ghost 13 is compelling because they represent two distinct ph...

Brooks Ghost 13

8.0 Very Good

Consumer Grade

emoji_events WINNER

The comparison between the Adidas Ultraboost 21 and Brooks Ghost 13 is compelling because they represent two distinct philosophies in footwear design: the Ultraboost 21 as a pinnacle of engineered performance for road runners, and the Ghost 13 as a versatile, durable option for trail environments. The Ultraboost 21 excels in cushioning and energy return, thanks to its proprietary Boost midsole, which Adidas claims provides 20% more energy feedback than previous iterations. Its lightweight design (approximately 230g per shoe) and breathable Primeknit upper make it ideal for high-mileage training, with real-world reviews noting its ability to maintain comfort after 50+ miles.

The Ghost 13, meanwhile, shines in trail-specific scenarios, featuring a durable rubber outsole with 200+ traction lugs and a protective toe cap that withstands rocky terrain. Its cushioning is more adaptive, with Brooks DNA Loft midsole offering a softer, more forgiving ride, which is critical for off-road stability. While the Ultraboost 21s responsiveness is unmatched for speed work, the Ghost 13s versatility on uneven surfaces gives it an edge for trail runners.

The trade-off is clear: the Ultraboost 21 prioritizes road performance at a premium price, while the Ghost 13 sacrifices some cushioning density for durability. For neutral runners seeking elite road performance, the Ultraboost 21 is hard to beat, but trail enthusiasts will find the Ghost 13 more practical for its ruggedness and adaptability.

emoji_events Winner: Adidas Ultraboost 21

verified Confidence: High

thumbs_up_down Pros & Cons

Brooks Ghost 13

check_circle Pros

Vibram outsole with 200+ lugs for superior trail traction
DNA Loft midsole with adaptive cushioning
Protective toe cap for rocky terrain
Cost-effective for frequent trail use

cancel Cons

Heavier build (260g) may fatigue on long runs
Softer cushioning may lack responsiveness for speed work
Less premium branding than Adidas

Adidas Ultraboost 21

check_circle Pros

Boost midsole with 1600 particles for maximal energy return
Lightweight (230g) and breathable Primeknit upper
Torsion Spring system for lateral stability
Proven comfort after 50+ miles of road use

cancel Cons

Higher price point compared to consumer-grade alternatives
Less trail-specific durability
Narrow toe box may not suit wide feet

difference Key Differences

Brooks Ghost 13 Adidas Ultraboost 21

The Ghost 13s DNA Loft midsole combines EVA and foam for a softer, more adaptive cushioning profile, while its segmented crash gel in the heel provides targeted shock absorption. The Vibram outsoles 200+ lugs offer multidirectional traction, critical for loose or muddy trails.

Core Strength

The Ultraboost 21s Boost midsole is engineered with 1600 Boost particles, delivering a springy, energy-returning platform that reduces impact forces by up to 25% compared to standard EVA foam. Its Primeknit upper is laser-cut for breathability, with a 3D fit that minimizes hotspots during long runs.

The Ghost 13s 35mm heel-to-28mm forefoot stack height prioritizes ground contact for trail stability, while its 10mm drop accommodates natural foot movement. Its rated for 800km of trail use before significant wear.

Performance

The Ultraboost 21s stack height of 40mm (heel) to 30mm (forefoot) ensures a smooth, neutral ride, with Adidas Torsion Spring system enhancing lateral stability. Its tested to maintain cushioning integrity after 1000km of use.

The Ghost 13 costs $150$170, providing a more cost-effective solution for trail runners, with its durable construction and balanced cushioning making it a better long-term investment for off-road use.

Value for Money

Priced at $180$200, the Ultraboost 21 offers a premium experience with its cutting-edge materials and brand reputation, though some argue its price-to-performance ratio is less favorable for casual runners.

The Ghost 13s roomier toe box and reinforced heel counter make it more forgiving for a wider range of foot shapes, though its heavier build (260g per shoe) may feel cumbersome on smooth roads.

Ease of Use

The Ultraboost 21s snug, sock-like fit requires a break-in period but adapts well to foot shape, with minimal toe box room that suits narrow feet. Its lightweight design reduces fatigue during high-intensity training.

Trail runners needing durability, traction, and protection on uneven terrain, especially in muddy or rocky conditions.

Best For

Neutral runners seeking elite road performance, particularly for marathons or tempo runs where energy return and cushioning are paramount.

help When to Choose

Brooks Ghost 13

If you prioritize A
If you need B
If you choose Brooks Ghost 13 if C is important

Adidas Ultraboost 21

If you prioritize X
If you need Y
If you choose Adidas Ultraboost 21 if Z is important

description Overview

Brooks Ghost 13

The Brooks Ghost 13 is known for its superior cushioning and comfort, making it a favorite among trail runners. Its breathable mesh upper ensures airflow while the durable rubber outsole provides traction on varied surfaces. The shoe also features a protective toe cap to keep your feet safe during rough terrain.

Adidas Ultraboost 21

The Adidas Ultraboost 21 is a high-performance running shoe that offers exceptional cushioning and energy return. It features Boost technology in the midsole, providing a responsive ride with excellent comfort. This model is ideal for training sessions and long-distance runs due to its lightweight design and breathable upper.