ERKE Infinite 4 Carbon Plate Marathon Racing Shoes

Faster. Steadier. Smoother. More Durable.
The ERKE Infinite 4 is the fourth generation of ERKE's iconic Zhijing marathon racing series — built for runners who want powerful propulsion, race-long stability, and the confidence to push through the wall. The ∞ (Infinite) symbol on the upper isn't decoration: it's the philosophy — surpass yourself, never give up.
The Name Behind the Shoe 芷 (zhǐ) — the Chinese herb Angelica, symbolizing purity, resilience, and the pursuit of excellence. 境 (jìng) — boundary, horizon, the realm beyond limits. Infinite — no ceiling, no limit, no wall you can't break through.

Specifications
Component    Detail
Upper    Strong-flex Jacquard knit — flexible support, breathable, inner arch wrap
Tongue    Double-layer lightweight — breathable, durable, no foot pressure
Collar    Skin-friendly anti-roll material
Midsole    Dual-layer Qi supercritical foam — ultralight + high rebound
Inner Side    Supercritical bead foam non-ground-contact design — extended lifespan
Carbon Plate    Full-length rear-foot ejection carbon plate — biomimetic upturned tip, split hairpin fork
Adaptive System    Variable Frequency Racing System — 3 modes (Burst / Cruise / Stabilization)
Forefoot Width    +3mm wider vs Gen 3
Heel Width    +7.3mm wider vs Gen 3
Stability Improvement    +27.5% vs Gen 3
Propulsion Improvement    +3.3% vs Gen 3
Outsole    Race-grade GPU rubber — ~500km rated, rubber track / asphalt / trail
Stack Height    Forefoot 27mm / Heel 35mm
Drop    8mm
Weight    ~195g (Size 42) / ~208g (Size 44)
Colorways    Swan (天鹅色) / Pink Leopard (粉鸿豹) / Yingyang (鸳鸯色) / Dragon Soul (龙魂) / White Dwarf (白矮星) / Lanzhou Marathon Limited (兰马飞天黄)
Season    Spring 2026