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忍
刃 over 心. To endure.
the path of endurance.
SHINOBI / 忍 / FIELD MANUAL

Shinobi

Begin your path→Browse 83+ races
EVENTS INDEXED
83+
TIERS
8
METRICS TRACKED
32

Tier Progression System

§01
段位 · RANK LADDER
Eight tiers from Academy to Sage.
The shinobi rank system, mapped onto endurance progression. Finish races, earn tier.
TIER · 01
Academy
学生
忍
REFERENCE TARGET
5K Road
FIRST STEPS
TIER · 02
Genin
下忍
忍
REFERENCE TARGET
Half Marathon
ACCUMULATING DISCIPLINE
TIER · 03
Chūnin
中忍
忍
REFERENCE TARGET
Olympic Tri
MID PRACTITIONER
TIER · 04
Jōnin
上忍
忍
REFERENCE TARGET
100K Ultra
ELITE COMMITMENT
TIER · 05
ANBU
暗部
忍
REFERENCE TARGET
Iron Distance
UNCOMMON SPECIALIST
TIER · 06
Sannin
三忍
忍
REFERENCE TARGET
Everesting
LEGENDARY
TIER · 07
Kage
影
忍
REFERENCE TARGET
Deca Iron
SUMMIT
TIER · 08
Sennin
仙人
忍
REFERENCE TARGET
— unclaimed —
SAGE. UNREACHABLE.

Race Categories

§02
種別 · CATEGORIES
Nine disciplines. One readiness score.
Each event is profiled across seven axes and scored on a 100-point difficulty scale.
CAT · 01
Running
DIFFICULTY 8–100
ENTRYAPEX
CAT · 02
Triathlon
DIFFICULTY 22–97
ENTRYAPEX
CAT · 03
Cycling
DIFFICULTY 28–97
ENTRYAPEX
CAT · 04
Swimming
DIFFICULTY 15–98
ENTRYAPEX
CAT · 05
OCR
DIFFICULTY 25–92
ENTRYAPEX
CAT · 06
Adventure
DIFFICULTY 30–97
ENTRYAPEX
CAT · 07
Multi-sport
DIFFICULTY 78–78
ENTRYAPEX
CAT · 08
Unique
DIFFICULTY 50–96
ENTRYAPEX
CATALOGUE
All 83 →
Open the index

How It Works

§03
道順 · HOW IT WORKS
Three deliberate movements.
No accounts. No noise. Enter your metrics, read the map, begin the work.
01
測定
Measure
Enter 32 metrics across cardio, running, swim, bike, strength, sleep, and nutrition. Your current state, quantified.
§ 01
02
地図
Map
Readiness is computed for every race in the index. A 7-axis demand profile reveals the gap between you and each summit.
§ 02
03
訓練
Train
A personalised plan converts the gap into workouts. Log races; the tier ladder climbs itself.
§ 03
“The summit of endurance is not a place you arrive — it is the shape your discipline leaves behind. 忍 is the practice of making that shape sharper each season.”
— Shinobi field notes · 01.04
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