Why choose FuelCell Summit Unknown v4?Buy FuelCell Summit Unknown v4 if
+0.9 Traction & Grip+0.9 Traction & Grip: Higher-traction compound for wet roads and fast corners.
Head-to-Head Comparison·Lab Telemetry
New Balance · Trail
FuelCell Summit Unknown v4
76
Stack32mm
Weight272g
Drop6mm
Nike · Trail
Pegasus Trail 5
76
Stack37mm
Weight300g
Drop9.5mm
Key Differences & Advantages
Why choose Pegasus Trail 5?Buy Pegasus Trail 5 if
+1.1 Breathability+1.1 Breathability: Better measured rating in wear-test consensus.
The Runner's Pick
Final Decision: Who Buys Which Model?
Side-by-side selection criteria grounded in verified mechanical specs
New Balance
FuelCell Summit Unknown v4
76
Choose the FuelCell Summit Unknown v4 if:
Choose the FuelCell Summit Unknown v4 if your priority is tenacious rubber bite across slick pavement and wet turns powered by FuelCell rebound foam paired with a tpu plate and a noticeably lighter weight (272g vs 300g). It is the better match for runners targeting all-weather grip and confident cornering on slick streets over the Pegasus Trail 5's focus on high-mileage protection and low-impact recovery cruising.
6mm drop · 272g · $130Audit
Nike
Pegasus Trail 5
76
Choose the Pegasus Trail 5 if:
Choose the Pegasus Trail 5 if your priority is an open, airy upper that circulates maximum airflow powered by Full-length ReactX foam with Zoom Air bags (300g). It is the better match for runners targeting keeping feet cool during warm, humid long runs over the FuelCell Summit Unknown v4's focus on race-pace velocity and responsive tempo efforts.
9.5mm drop · 300g · $150Audit
Dealbreaker Warnings · Who Should Skip These
Critical biomechanical trade-offs to avoid buying the wrong shoe
New Balance FuelCell Summit Unknown v4
Skip FuelCell Summit Unknown v4 if your mileage includes paved asphalt or concrete; aggressive 5mm lugs wear rapidly on hard surfaces and cause harsh ground shock.
Nike Pegasus Trail 5
Skip Pegasus Trail 5 if you want explosive trampoline bounce for tempo sessions; the midsole is tuned for grounded, predictable shock absorption.
8-Axis Telemetry Radar
Dead even · 76 PTS
FuelCell76vsPegasus76
Tap any axis node to inspect wear-test citations
🔬 Inspect Granular Lab Specs & Fit Telemetry▼
Fit & Sizing Consensus
Real-world wear-test consensus across runner foot profiles
FuelCell Summit Unknown v4
Pegasus Trail 5
Sizing LengthMatch
Runs Small
True to Size
FuelCell82%Pegasus83%
Runs Large
FuelCell Summit Unknown v4: True to size(n=22)
Pegasus Trail 5: True to size(n=30)
Toe Box WidthSizing differs
Performance Tight
Pegasus61%
Standard
FuelCell76%
Wide
FuelCell Summit Unknown v4: Standard width(n=19)
Pegasus Trail 5: Performance tight / narrow(n=26)
Arch SupportMatch
Flat / Low
Neutral Stability
FuelCell72%Pegasus75%
High Arch
FuelCell Summit Unknown v4: Neutral stability / moderate arch(n=15)
Pegasus Trail 5: Neutral stability / moderate arch(n=23)
| RADAR AXIS | FuelCell Summit Unknown v4 | Pegasus Trail 5 | Δ DELTA | COHORT RANK |
|---|---|---|---|---|
| Cushioning & Softness | 7.1 | 7.8 | −0.7 (Pegasus Trail 5 higher by NaN) | #22/28 |
| Energy Return & Bounce | 7.5 | 7.0 | +0.5 (FuelCell Summit Unknown v4 higher by 0.5) | #22/28 |
| Weight Efficiency | 7.1 | 7.0 | +0.1 (FuelCell Summit Unknown v4 higher by 0.1) | #22/28 |
| Stability & Support | 7.4 | 7.2 | +0.2 (FuelCell Summit Unknown v4 higher by 0.2) | #22/28 |
| Traction & Grip | 8.5 | 7.6 | +0.9 (FuelCell Summit Unknown v4 higher by 0.9) | #22/28 |
| Upper Comfort & Lockdown | 7.4 | 8.4 | −1.0 (Pegasus Trail 5 higher by NaN) | #22/28 |
| Breathability | 7.3 | 8.4 | −1.1 (Pegasus Trail 5 higher by NaN) | #22/28 |
| Durability | 7.5 | 7.4 | +0.1 (FuelCell Summit Unknown v4 higher by 0.1) | #22/28 |
| Meta-Score | 76contender | 76contender | 0.0 | Calibrated |
The Record · Specification Telemetry
Cohort-relative percentiles and verified technical specs
FuelCell Summit Unknown v4
Pegasus Trail 5
Weight (US Men's 9)Lighter than 72% of daily trainers
FuelCell Summit Unknown v4272g
Pegasus Trail 5300g
›New Balance FuelCell Summit Unknown v4 saves 28g per stride, noticeable after mile 6 of continuous running.
Heel Cushion StackMore underfoot foam than 45% of trainers
FuelCell Summit Unknown v432.0mm
Pegasus Trail 537.0mm
›Nike Pegasus Trail 5 delivers 5.0mm more vibration isolation for long recovery efforts than FuelCell Summit Unknown v4.
Heel-to-Toe DropΔ 3.5mm
FuelCell Summit Unknown v46.0mm
Pegasus Trail 59.5mm
›Pegasus Trail 5's 9.5mm drop shifts load toward the knees/quads, while FuelCell Summit Unknown v4's 6mm drop engages the Achilles and calves.
Midsole Foam & Energy ReturnHigher rebound than 77% of tested foams
FuelCell rebound foam7.5/10
Full-length ReactX foam with Zoom Air bags7.0/10
›FuelCell rebound foam yields a springier, high-rebound toe-off compared to Full-length ReactX foam with Zoom Air bags's grounded, stable feel.
Outsole Durability & TractionTougher rubber than 79% of road shoes
HydroHesion high-traction sticky rubber7.5/10
All-direction trail lugs with rubber wrap7.4/10
›FuelCell Summit Unknown v4 utilizes HydroHesion high-traction sticky rubber compound formulated for extended 500+ mile abrasive asphalt longevity.
Fit & Sizing Consensus
Real-world wear-test consensus across runner foot profiles
FuelCell Summit Unknown v4
Pegasus Trail 5
Sizing LengthMatch
Runs Small
True to Size
FuelCell82%Pegasus83%
Runs Large
FuelCell Summit Unknown v4: True to size(n=22)
Pegasus Trail 5: True to size(n=30)
Toe Box WidthSizing differs
Performance Tight
Pegasus61%
Standard
FuelCell76%
Wide
FuelCell Summit Unknown v4: Standard width(n=19)
Pegasus Trail 5: Performance tight / narrow(n=26)
Arch SupportMatch
Flat / Low
Neutral Stability
FuelCell72%Pegasus75%
High Arch
FuelCell Summit Unknown v4: Neutral stability / moderate arch(n=15)
Pegasus Trail 5: Neutral stability / moderate arch(n=23)
The Record · Specification Telemetry
Cohort-relative percentiles and verified technical specs
FuelCell Summit Unknown v4
Pegasus Trail 5
Weight (US Men's 9)Lighter than 72% of daily trainers
FuelCell Summit Unknown v4272g
Pegasus Trail 5300g
›New Balance FuelCell Summit Unknown v4 saves 28g per stride, noticeable after mile 6 of continuous running.
Heel Cushion StackMore underfoot foam than 45% of trainers
FuelCell Summit Unknown v432.0mm
Pegasus Trail 537.0mm
›Nike Pegasus Trail 5 delivers 5.0mm more vibration isolation for long recovery efforts than FuelCell Summit Unknown v4.
Heel-to-Toe DropΔ 3.5mm
FuelCell Summit Unknown v46.0mm
Pegasus Trail 59.5mm
›Pegasus Trail 5's 9.5mm drop shifts load toward the knees/quads, while FuelCell Summit Unknown v4's 6mm drop engages the Achilles and calves.
Midsole Foam & Energy ReturnHigher rebound than 77% of tested foams
FuelCell rebound foam7.5/10
Full-length ReactX foam with Zoom Air bags7.0/10
›FuelCell rebound foam yields a springier, high-rebound toe-off compared to Full-length ReactX foam with Zoom Air bags's grounded, stable feel.
Outsole Durability & TractionTougher rubber than 79% of road shoes
HydroHesion high-traction sticky rubber7.5/10
All-direction trail lugs with rubber wrap7.4/10
›FuelCell Summit Unknown v4 utilizes HydroHesion high-traction sticky rubber compound formulated for extended 500+ mile abrasive asphalt longevity.
| RADAR AXIS | FuelCell Summit Unknown v4 | Pegasus Trail 5 | Δ DELTA | COHORT RANK |
|---|---|---|---|---|
| Cushioning & Softness | 7.1 | 7.8 | −0.7 (Pegasus Trail 5 higher by NaN) | #22/28 |
| Energy Return & Bounce | 7.5 | 7.0 | +0.5 (FuelCell Summit Unknown v4 higher by 0.5) | #22/28 |
| Weight Efficiency | 7.1 | 7.0 | +0.1 (FuelCell Summit Unknown v4 higher by 0.1) | #22/28 |
| Stability & Support | 7.4 | 7.2 | +0.2 (FuelCell Summit Unknown v4 higher by 0.2) | #22/28 |
| Traction & Grip | 8.5 | 7.6 | +0.9 (FuelCell Summit Unknown v4 higher by 0.9) | #22/28 |
| Upper Comfort & Lockdown | 7.4 | 8.4 | −1.0 (Pegasus Trail 5 higher by NaN) | #22/28 |
| Breathability | 7.3 | 8.4 | −1.1 (Pegasus Trail 5 higher by NaN) | #22/28 |
| Durability | 7.5 | 7.4 | +0.1 (FuelCell Summit Unknown v4 higher by 0.1) | #22/28 |
| Meta-Score | 76contender | 76contender | 0.0 | Calibrated |
The Runner's Pick
Final Decision: Who Buys Which Model?
Side-by-side selection criteria grounded in verified mechanical specs
New Balance
FuelCell Summit Unknown v4
76
Choose the FuelCell Summit Unknown v4 if:
Choose the FuelCell Summit Unknown v4 if your priority is tenacious rubber bite across slick pavement and wet turns powered by FuelCell rebound foam paired with a tpu plate and a noticeably lighter weight (272g vs 300g). It is the better match for runners targeting all-weather grip and confident cornering on slick streets over the Pegasus Trail 5's focus on high-mileage protection and low-impact recovery cruising.
6mm drop · 272g · $130Audit
Nike
Pegasus Trail 5
76
Choose the Pegasus Trail 5 if:
Choose the Pegasus Trail 5 if your priority is an open, airy upper that circulates maximum airflow powered by Full-length ReactX foam with Zoom Air bags (300g). It is the better match for runners targeting keeping feet cool during warm, humid long runs over the FuelCell Summit Unknown v4's focus on race-pace velocity and responsive tempo efforts.
9.5mm drop · 300g · $150Audit
Quiver Overlap
Direct Trail Rivals
2-Shoe Rotation Strategy
Both models occupy the exact same trail slot on your shoe rack. Rather than buying both, runner consensus suggests picking the lighter FuelCell Summit Unknown v4 (272g) for quicker cadence, or the Pegasus Trail 5 for its Full-length ReactX foam with Zoom Air bags ride feel and structure.
FuelCell Summit Unknown v4 RoleTrail Workhorse
Pegasus Trail 5 RoleAlternative Trail
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