Which shoe is better: ASICS GEL-KAYANO 31 or ASICS Novablast 6?

The ASICS Novablast 6 leads with a SoleVersus Meta-Score of 83 PTS compared to 82 PTS for the ASICS GEL-KAYANO 31 (+1.0 point lead). Choose the Novablast 6 for superior mechanical performance powered by FF BLAST MAX with trampoline pod geometry. The GEL-KAYANO 31 remains a solid alternative if you prefer FF BLAST PLUS ECO foam with PureGEL rearfoot insert and 4D Guidance System.

What is the difference in drop and weight between ASICS GEL-KAYANO 31 and ASICS Novablast 6?

The ASICS GEL-KAYANO 31 weighs 305g with a 10mm drop (40mm heel / 30mm forefoot). The ASICS Novablast 6 weighs 255g with a 8mm drop (41.5mm heel / 33.5mm forefoot). The Novablast 6 is 50g lighter. The drop difference is 2mm.

ASICS GEL-KAYANO 31 vs ASICS Novablast 6

Head-to-Head Comparison·Lab Telemetry

ASICS · Max Cushion

GEL-KAYANO 31

AXIS_Y // 0.0M9 // 280mm

Stack40mm

Weight305g

Drop10mm

Full Audit→

ASICS · Max Cushion

WINNER

Novablast 6

AXIS_Y // 0.0M9 // 280mm

Stack41.5mm

Weight255g

Drop8mm

Full Audit→

8-Axis Telemetry Radar

GEL-KAYANO82vsNovablast83

Novablast 6 leads by +1.0 PTS

Tap any axis node to inspect wear-test citations

Key Differences & Advantages

83–82 · strong

Why choose GEL-KAYANO 31?Buy GEL-KAYANO 31 if

+1.4 Stability & Support

+1.4 Stability & Support: Better measured rating in wear-test consensus.

Why choose Novablast 6?Buy Novablast 6 if

+1.7 Weight Efficiency

+1.7 Weight Efficiency: 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

ASICS

GEL-KAYANO 31

Choose the GEL-KAYANO 31 if:

Choose the GEL-KAYANO 31 if your priority is a secure, planted base with confident guidance powered by FF BLAST PLUS ECO foam with PureGEL rearfoot insert and 4D Guidance System (305g). It is the better match for runners targeting neutral support and surefooted stride containment over the Novablast 6's focus on race-pace velocity and responsive tempo efforts.

10mm drop · 305g · $165Audit

ASICS

Novablast 6

Choose the Novablast 6 if:

Choose the Novablast 6 if your priority is an ultralight chassis with effortless turnover powered by FF BLAST MAX with trampoline pod geometry and a noticeably lighter weight (255g vs 305g). It is the better match for runners targeting minimizing leg fatigue across late-mile splits over the GEL-KAYANO 31's focus on high-mileage protection and low-impact recovery cruising.

8mm drop · 255g · $140Audit

Dealbreaker Warnings · Who Should Skip These

Critical biomechanical trade-offs to avoid buying the wrong shoe

ASICS GEL-KAYANO 31

Skip GEL-KAYANO 31 if you want a featherweight speed-day shoe; at 305g, it is calibrated for workhorse longevity rather than race pace.

ASICS Novablast 6

Skip Novablast 6 if your typical workout calls for a specialized racer rather than a durable daily trainer.

8-Axis Telemetry Radar

Novablast 6 leads by +1.0 PTS

GEL-KAYANO82vsNovablast83

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

GEL-KAYANO 31

Novablast 6

Sizing LengthMatch

Runs Small

True to Size

GEL-KAYANO88%Novablast84%

Runs Large

GEL-KAYANO 31: True to size(n=28)

Novablast 6: True to size(n=38)

Toe Box WidthMatch

Performance Tight

Standard

GEL-KAYANO82%Novablast78%

Wide

GEL-KAYANO 31: Standard width(n=24)

Novablast 6: Standard width(n=32)

Arch SupportMatch

Flat / Low

Neutral Stability

GEL-KAYANO78%Novablast81%

High Arch

GEL-KAYANO 31: Neutral stability / moderate arch(n=20)

Novablast 6: Neutral stability / moderate arch(n=26)

ASICS GEL-KAYANO 31 vs ASICS Novablast 6 — eight cohort-calibrated radar axes scored one to ten. Delta is GEL-KAYANO 31 minus Novablast 6; positive favors GEL-KAYANO 31. Score provenance: v1.0, data vintage 2026-10-28. Meta-Score weights score band names.
RADAR AXIS	GEL-KAYANO 31	Novablast 6	Δ DELTA	COHORT RANK
Cushioning & Softness	9.0	8.9	+0.1 (GEL-KAYANO 31 higher by 0.1)	#3/18
Energy Return & Bounce	7.5	9.1	−1.6 (Novablast 6 higher by NaN)	#3/18
Weight Efficiency	6.7	8.4	−1.7 (Novablast 6 higher by NaN)	#3/18
Stability & Support	8.8	7.4	+1.4 (GEL-KAYANO 31 higher by 1.4)	#3/18
Traction & Grip	7.7	8.0	−0.3 (Novablast 6 higher by NaN)	#3/18
Upper Comfort & Lockdown	8.5	8.6	−0.1 (Novablast 6 higher by NaN)	#3/18
Breathability	7.3	8.2	−0.9 (Novablast 6 higher by NaN)	#3/18
Durability	8.2	7.6	+0.6 (GEL-KAYANO 31 higher by 0.6)	#3/18
Meta-Score	82strong	83strong	−1.0	Calibrated

The Record · Specification Telemetry

Cohort-relative percentiles and verified technical specs

GEL-KAYANO 31

Novablast 6

Weight (US Men's 9)Lighter than 80% of daily trainers

GEL-KAYANO 31305g

Novablast 6255g

›ASICS Novablast 6 saves 50g per stride, noticeable after mile 6 of continuous running.

Heel Cushion StackMore underfoot foam than 65% of trainers

GEL-KAYANO 3140.0mm

Novablast 641.5mm

›ASICS Novablast 6 delivers 1.5mm more vibration isolation for long recovery efforts than GEL-KAYANO 31.

Heel-to-Toe DropΔ 2.0mm

GEL-KAYANO 3110.0mm

Novablast 68.0mm

›GEL-KAYANO 31's 10mm drop shifts load toward the knees/quads, while Novablast 6's 8mm drop engages the Achilles and calves.

Midsole Foam & Energy ReturnHigher rebound than 93% of tested foams

FF BLAST PLUS ECO foam with PureGEL rearfoot insert and 4D Guidance System7.5/10

FF BLAST MAX with trampoline pod geometry9.1/10

›FF BLAST MAX with trampoline pod geometry yields a springier, high-rebound toe-off compared to FF BLAST PLUS ECO foam with PureGEL rearfoot insert and 4D Guidance System's grounded, stable feel.

Outsole Durability & TractionTougher rubber than 86% of road shoes

HYBRID ASICSGRIP outsole combining AHARPLUS with sticky grip rubber8.2/10

AHARPLUS low-abrasion heel plug with AHAR forefoot7.6/10

›GEL-KAYANO 31 utilizes HYBRID ASICSGRIP outsole combining AHARPLUS with sticky grip rubber compound formulated for extended 500+ mile abrasive asphalt longevity.

Fit & Sizing Consensus

Real-world wear-test consensus across runner foot profiles

GEL-KAYANO 31

Novablast 6

Sizing LengthMatch

Runs Small

True to Size

GEL-KAYANO88%Novablast84%

Runs Large

GEL-KAYANO 31: True to size(n=28)

Novablast 6: True to size(n=38)

Toe Box WidthMatch

Performance Tight

Standard

GEL-KAYANO82%Novablast78%

Wide

GEL-KAYANO 31: Standard width(n=24)

Novablast 6: Standard width(n=32)

Arch SupportMatch

Flat / Low

Neutral Stability

GEL-KAYANO78%Novablast81%

High Arch

GEL-KAYANO 31: Neutral stability / moderate arch(n=20)

Novablast 6: Neutral stability / moderate arch(n=26)

The Record · Specification Telemetry

Cohort-relative percentiles and verified technical specs

GEL-KAYANO 31

Novablast 6

Weight (US Men's 9)Lighter than 80% of daily trainers

GEL-KAYANO 31305g

Novablast 6255g

›ASICS Novablast 6 saves 50g per stride, noticeable after mile 6 of continuous running.

Heel Cushion StackMore underfoot foam than 65% of trainers

GEL-KAYANO 3140.0mm

Novablast 641.5mm

›ASICS Novablast 6 delivers 1.5mm more vibration isolation for long recovery efforts than GEL-KAYANO 31.

Heel-to-Toe DropΔ 2.0mm

GEL-KAYANO 3110.0mm

Novablast 68.0mm

›GEL-KAYANO 31's 10mm drop shifts load toward the knees/quads, while Novablast 6's 8mm drop engages the Achilles and calves.

Midsole Foam & Energy ReturnHigher rebound than 93% of tested foams

FF BLAST PLUS ECO foam with PureGEL rearfoot insert and 4D Guidance System7.5/10

FF BLAST MAX with trampoline pod geometry9.1/10

Outsole Durability & TractionTougher rubber than 86% of road shoes

HYBRID ASICSGRIP outsole combining AHARPLUS with sticky grip rubber8.2/10

AHARPLUS low-abrasion heel plug with AHAR forefoot7.6/10

›GEL-KAYANO 31 utilizes HYBRID ASICSGRIP outsole combining AHARPLUS with sticky grip rubber compound formulated for extended 500+ mile abrasive asphalt longevity.

ASICS GEL-KAYANO 31 vs ASICS Novablast 6 — eight cohort-calibrated radar axes scored one to ten. Delta is GEL-KAYANO 31 minus Novablast 6; positive favors GEL-KAYANO 31. Score provenance: v1.0, data vintage 2026-10-28. Meta-Score weights score band names.
RADAR AXIS	GEL-KAYANO 31	Novablast 6	Δ DELTA	COHORT RANK
Cushioning & Softness	9.0	8.9	+0.1 (GEL-KAYANO 31 higher by 0.1)	#3/18
Energy Return & Bounce	7.5	9.1	−1.6 (Novablast 6 higher by NaN)	#3/18
Weight Efficiency	6.7	8.4	−1.7 (Novablast 6 higher by NaN)	#3/18
Stability & Support	8.8	7.4	+1.4 (GEL-KAYANO 31 higher by 1.4)	#3/18
Traction & Grip	7.7	8.0	−0.3 (Novablast 6 higher by NaN)	#3/18
Upper Comfort & Lockdown	8.5	8.6	−0.1 (Novablast 6 higher by NaN)	#3/18
Breathability	7.3	8.2	−0.9 (Novablast 6 higher by NaN)	#3/18
Durability	8.2	7.6	+0.6 (GEL-KAYANO 31 higher by 0.6)	#3/18
Meta-Score	82strong	83strong	−1.0	Calibrated

The Runner's Pick

Final Decision: Who Buys Which Model?

Side-by-side selection criteria grounded in verified mechanical specs

ASICS

GEL-KAYANO 31

Choose the GEL-KAYANO 31 if:

10mm drop · 305g · $165Audit

ASICS

Novablast 6

Choose the Novablast 6 if:

8mm drop · 255g · $140Audit

Quiver Overlap

Direct Max Cushion Rivals

2-Shoe Rotation Strategy

Both models occupy the exact same max cushion slot on your shoe rack. Rather than buying both, runner consensus suggests picking the lighter Novablast 6 (255g) for quicker cadence, or the GEL-KAYANO 31 for its FF BLAST PLUS ECO foam with PureGEL rearfoot insert and 4D Guidance System ride feel and structure.

GEL-KAYANO 31 RoleMax Cushion Workhorse

Novablast 6 RoleAlternative Max Cushion

Explore Related Showdowns

High-traffic benchmark rivalries and cohort showdowns

GEL-KAYANO 31

Novablast 6

Novablast 6 leads by +1.0 PTS

Why choose GEL-KAYANO 31?Buy GEL-KAYANO 31 if

Why choose Novablast 6?Buy Novablast 6 if

Final Decision: Who Buys Which Model?

GEL-KAYANO 31

Choose the GEL-KAYANO 31 if:

Novablast 6

Choose the Novablast 6 if:

Novablast 6 leads by +1.0 PTS

Final Decision: Who Buys Which Model?

GEL-KAYANO 31

Choose the GEL-KAYANO 31 if:

Novablast 6

Choose the Novablast 6 if:

Direct Max Cushion Rivals

Explore Related Showdowns

GEL-KAYANO 31 vs Novablast 4

GEL-KAYANO 31 vs Superblast 2

Megablast vs Novablast 6

Novablast 4 vs Novablast 6