We spent 6.8 hours reading reviews from experts and users. In summary, this is what runners think:

9 reasons to buy

  • Many consumers said that the Brooks Adrenaline GTS 20 is comfortable. 
  • The shoe offers a stable ride, said a few testers. 
  • Numerous runners love its updated, stylish design. 
  • A lot of reviewers mentioned that it is more cushioned compared to its predecessor. 
  • Several users mentioned that the shoe is perfect for long runs. 
  • Adrenaline GTS 20 offers a snug fit, based on some reviews. 
  • It offers excellent arch support that helps prevent pain, stated a buyer. 
  • A couple of purchasers love the spacious feel in the toe box. 
  • Adrenaline GTS 20 is a solid yet lightweight running shoe, a user claimed.

3 reasons not to buy

  • A few wearers complained about the Adrenaline GTS 20’s narrow heel area.
  • One commenter expressed that the tongue is unusually long. 
  • The shoe has limited color variations, according to some consumers. 

Bottom line

The Adrenaline GTS 20 received diverse reviews from consumers. The modern, streamlined design of this road running shoe was appreciated by many runners. Although a few users were disappointed about the shoe’s narrow heel section and limited color variations, others still recommended the shoe for its overall performance. 

The shoe is perfect for runners who are looking for a blend of flexibility, comfort, and support. 



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  • The Brooks Adrenaline GTS 20 is a stability running shoe, updated to become more breathable and lighter. Compared to Adrenaline’s previous versions, this shoe offers a softer and springier ride to help reduce overpronation. 
  • One of the noteworthy changes in this version is the use of overlays. Designers have stripped the midfoot overlays off the Adrenaline GTS 20’s upper for a cleaner look.
  • Another update incorporated in this running gear is the ventilation system. The previous versions employed oval-shaped perforations while this year’s version has more uniform openings over the forefoot area that switch into lines around the midfoot section. 
  • Designers also enhanced the performance of the 20th edition of the Adrenaline GTS with the addition of the GuideRails® support system. This GuideRails® technology changes the focus of support from the foot to the knee.
  • The updated flex grooves in the outsole allow for flexibility. It encourages natural progression and smooth transitions without compromising durability. 
  • The shoe is now lighter and more breathable with the addition of the brand-new dual-layer FlexFit upper. The engineered mesh upper has two components: the inner and outer layers.

The Brooks Adrenaline GTS 20 features stretchable laces for a more customized fit. The soft padded tongue and heel collar are the other components affecting the fit of the shoe. 

This Brooks running shoe has a standard shoe length that guarantees to accommodate wearers with narrow to wide foot volume. However, it is recommended to test the shoe first or study user comments about sizing to ensure the right fit. The shoe is available in different sizes for both men and women versions. 

Just like the other running shoes such as the New Balance 890 v6 and New Balance Fresh Foam 1080 v9, the outsole unit of the Brooks Adrenaline GTS 20 utilizes a blown rubber material. Blown rubber is an Air-injected rubber that is more flexible, lighter and softer than the traditional rubber materials. This component covers the entire outsole of the shoe, providing reliable protection against abrasion.

Omega Flex Grooves are placed strategically in the outsole and midsole units to allow the shoe to flex and move naturally with the foot. No matter how the foot lands, the flex grooves ensure flawless heel-to-heel transitions with every stride.

Providing excellent stability is the GuideRails® support system integrated into the midsole section of the Brooks Adrenaline GTS 20. The GuideRails® technology helps prevent overpronation by keeping the wearer’s foot from excessive movements while running. 

The GuideRails® support system fits both neutral runners and overpronators who experience poor running form. This component works like the bumpers on a bowling alley. When the foot attempts to move from side to side, the bumpers will guide the foot back to the middle of the shoe where the stride is more efficient. 

The Brooks Adrenaline GTS 20 also features the DNA Loft foam in the midsole unit. Manufacturers packed the DNA loft foam into the crash pad that is located under the heel section. DNA Loft foam wraps around the outside of the shoe, while the BioMoGo DNA foam was used in the rest of the platform. Brooks combined the BioMoGo DNA foam and softer DNA Loft foam to provide superb cushioning and responsive performance, supporting the needs of every trail runner. 

The segmented crash pad infused in the shoe enhances cushioning and support. The crash pad flexes with the foot to offer customized cushioning and stability for a smoother heel-to-toe transition for the whole running duration.

A well-structured heel cup is designed to provide a secure heel fit. It keeps the heel in place to prevent the foot from sliding up and down the shoe.

The Brooks Adrenaline GTS 20 uses a brand-new dual-layer FlexFit upper that offers a firm yet flexible fit to effectively prevent overpronation. The stretchy Engineered mesh upper has a lightweight structure that provides breathable comfort. The mesh upper also offers a roomier forefoot area enough to accommodate runners who are wider-footed.

The upper mesh has two components: the inner and outer layers, which are responsible for reducing the shoe’s overall weight. The inner layer is thinner compared to the outer layer. It provides a sock-like fit, keeping the foot comfortable and protecting the foot from blisters. The outer layer, on the other hand, is thicker and more durable, keeping the shoe breathable. 

The Adrenaline GTS 20 now features a cleaner look with a 3D Fit Printed upper design that provides structure and additional support.

A well-padded tongue is incorporated in the shoe to help distribute pressure across the top of the foot. It gives additional comfort and protection for the foot. 

This running shoe uses more uniform openings over the forefoot that switch into lines around the midfoot. These openings vent the moisture and heat out of the shoe to keep the foot dry for a long period of time. 

The traditional lacing system is used in the Brooks Adrenaline GTS 20. The tubular laces are a bit stretchy, allowing the user to adjust the tightness of the shoe for a more customized fit. 

Brooks Beast 18

The Brooks Beast 18 is a motion control running shoe that is best for runners who exhibit moderate to severe overpronation, while the Brooks Adrenaline GTS 20 is stability running shoe that is designed to accommodate runners who exhibit mild to moderate overpronation. 

In terms of technologies, both running shoes feature the DNA loft foam and crash pads into their midsole units to provide unparalleled cushioning and protection to the user. These shoes also utilize an engineered mesh upper that offers lightweight, breathable coverage. 

In terms of running performance, The Brooks Adrenaline GTS 20 can offer a lighter and faster running experience because the shoe only weighs 302 grams which is lighter compared to the Brooks Beast 18 that weighs 377 grams. 

Brooks Adrenaline GTS 19

Like the Brooks Adrenaline GTS 20, the Brooks Adrenaline GTS 19 is also a stability running shoe designed for runners who experience mild to moderate overpronation. 

The improved Adrenaline GTS 20 is lighter than its predecessor, the Adrenaline GTS 19. The designers were able to reduce the weight of the latest version by omitting some of the stylistic add-ons in the upper mesh section. 

In terms of performance, the 20th iteration has retained the responsive and cushioned ride, as well as the traction capacity and breathability of its predecessor. 

Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.