New Balance FuelCell Rebel v5 Review
The New Balance Rebel has evolved significantly over the past five years. Originally a lightweight, minimal racer-trainer with a hint of propulsion, it has transformed into a more cushioned and versatile daily trainer. The Rebel v4 introduced a softer ride, making it suitable not just for fast workouts but also for easier runs. The Rebel v5 continues in this direction, refining the fit and ride while retaining its lightweight, responsive character.
The Rebel v5 features a more refined upper. While the v4 had a high-volume toe box, the v5 trims away excess material for a snugger yet still comfortable fit. The heel has a more structured cup with a traditional Achilles tab, and the added padding increases comfort on step-in. The midfoot fit is more secure, contributing to improved lockdown and a feeling of the shoe being an extension of your foot—nimble and precise. The tongue is still partially gusseted but slightly thicker, and a lace tab helps keep it centered during runs. An additional top eyelet is available for a runner’s loop or butterfly lacing if more heel security is needed.
The midsole continues to use New Balance’s FuelCell foam, a blend of EVA and PEBA. While still bouncy, the ride is slightly firmer than in the Rebel v4. This change makes it easier to run at relaxed paces without the rocker mechanics nudging you into faster turnover. At the same time, the Rebel v5 responds well when you pick up the pace, delivering smooth, controlled acceleration. The stack height has increased by 5mm to 35mm in the heel and 29mm in the forefoot. Despite the added foam, the ride feels firmer than expected, improving control during easy runs and delivering better responsiveness for short intervals and hill reps. Unlike the v4, which could feel overly soft on sharp efforts, the v5 resists compression more effectively during push-off.
The outsole has been updated with increased rubber coverage on the forefoot. The rubber compound is still grippy in both wet and dry conditions, and now offers better traction during toe-off, adding to the sense of propulsion at speed. The platform has been subtly trimmed to improve agility, while still maintaining a stable base. Direction changes and cornering feel easier, and the shoe no longer feels wide or bulky in motion. The 6mm drop remains unchanged, offering a good balance for midfoot or heel strikers. The curved rocker shape helps keep the foot rolling forward efficiently and encourages an upright, quick-cadence running style.
Despite the added foam and upper padding, the Rebel v5 remains lightweight: 238g in Men’s UK 8 and 184g in Women’s UK 5. This contributes to the shoe’s versatility. It performs well for tempo runs, strides, short hill reps, and even longer efforts up to 90 minutes. The updated midsole gives a better balance between softness and feedback, making the ride feel more natural and less dominated by the rocker.
New Balance sizing is comparable in length to Hoka, Karhu, Inov-8, and La Sportiva. If you’re used to Brooks, Saucony, Altra, 361°, or Topo, you may need to go up half a UK size for similar length—for example, a New Balance UK 11.5 is roughly equivalent to a Brooks UK 11. The Rebel v5 is available in two widths for both men and women.
Summary
New Balance has preserved what worked in the Rebel v4 and refined the rest. The Rebel v5 is one of the most versatile road shoes currently available. It’s comfortable enough for easy days, responsive enough for short intervals, and light enough for race efforts. It’s not the best shoe at any one pace, but it’s capable across the board. If you’re looking for a single shoe that can handle a mix of training, including some faster running and races, the Rebel v5 is well worth considering.
Other Considerations
Brooks Hyperion 3: The Brooks Hyperion 3 also has a soft yet responsive midsole foam. The Hyperion is a bit more flexible and for that reason feels better at really quick speeds for example during track sessions. However, it is not versatile enough for longs runs or easy runs. https://www.northernrunner.com/blog/brooks-hyperion-3-review/
Brooks Hyperion Max 3: A very soft and highly cushioned road running shoe. Ideal for longer Tempo runs but, not versatile enough for shorter fast running. https://www.northernrunner.com/blog/brooks-hyperion-max-3-review/
Brooks Launch 11: A firmer and nimbler feel than the Hyperion 3 with more control over the pace you are moving at. A firm ride wouldn’t suit most runners on longer runs unless they like a more responsive ride but, versatile enough for most other runs. https://www.northernrunner.com/blog/brooks-launch-11-review/
Topo Specter 2: A broad rounded toe box gives the feet the room to spread and function in the shoes. A bit too good at helping you go quickly to be used for easier runs. Enough cushioning for long runs. https://www.northernrunner.com/blog/topo-athletic-specter-2-review/
Karhu Fusion 4: The Karhu Fusion 4 feels more like a training shoe with a bit more bounce. It doesn’t have quite the lightness and the propulsion of the New Balance Rebel v5. However, it isn’t a slow feeling shoe and helps to maintain good posture. https://www.northernrunner.com/blog/karhu-fusion-4-review/
Hoka Mach 6: A firmer more responsive feel without feeling hard. Like the New Balance Rebel v5 it does strike a good balance between cushioned and responsive. Available in two width men’s and two width women’s. https://www.northernrunner.com/blog/hoka-mach-6-review/
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