Skyrunning

Officially Skyrunning (ISF)

EXTREME variant of mountain running — races at HIGH ALTITUDE (above 2000 m), on TECHNICAL TERRAIN (rock scrambling, snow, exposure), with STEEP GRADIENTS (30%+ ascending). 3 CORE DISCIPLINES: VERTICAL (1000m gain minimum), SKY (20-49km, 1300+ m gain), ULTRA (50+km, 2500+ m gain). Founded 1993 by Italian Alpinist MARINO GIACOMETTI; governed by INTERNATIONAL SKYRUNNING FEDERATION (ISF). SKYRUNNER WORLD SERIES flagship circuit; ZEGAMA-AIZKORRI + KIMA + HARDROCK famous races.

📐High-altitude mountain terrain (rock, snow, glacier, trail)~240 min🌤outdoor

Quick facts

Category

Athletics

Type

Individual

Players

1–1

Duration

~240 min

Where played

outdoor

Field / court

High-altitude mountain terrain (rock, snow, glacier, trail)

Country of origin

🇮🇹 Italy

Estimated origin

Skyrunning founded 1993 by Italian mountaineer Marino Giacometti — organised first Kima Trophy 1995 + Trofeo del Mte. Rosa; International Skyrunning Federation (ISF) 1995; Skyrunner World Series 2001; Vertical Kilometer added 2011.

Olympic

No

Popularity

regional

How it works

Objective

Complete high-altitude technical course in FASTEST TIME.

Rules

Basic rules

  • 3 CORE DISCIPLINES: VERTICAL (1000m gain in <5km), SKY (20-49km, 1300+ m gain), ULTRA (50+km, 2500+ m gain)

    Signature 3-discipline structure.

  • ELEVATION CRITERIA MANDATORY: courses must exceed defined altitude + gain (defines skyrunning vs. trail running)

    Signature altitude/gain thresholds.

  • MANDATORY KIT enforced at start + random spot-checks; DQ for missing items

    Signature ISF mandatory kit rule.

  • TIME-CUTOFFS at intermediate control points — must reach or DNF (Did Not Finish)

    Standard time-cutoff rule.

  • SELF-NAVIGATION on MARKED course; MOUNTAIN RESCUE + medical at key points

    Standard self-nav + rescue.

  • SKYRUNNER WORLD SERIES: 8-10 races/year across disciplines; season points total = SWS Champion

    Signature SWS series.

  • ISF WORLD CHAMPIONSHIPS: biennial; medals in VK + Sky + Ultra + Team

    Signature world championships.

Scoring

Individual: fastest time wins race; SWS: race points sum for series standings; World Championships: gold-silver-bronze per discipline.

Win condition · Fastest time; season SWS champion via points; world champion via ISF race.

Playing area

Called

High-altitude mountain terrain (rock, snow, glacier, trail)

Dimensions

VK: <5 km with 1000+ m gain; SKY: 20-49 km with 1300+ m gain; ULTRA: 50+ km with 2500+ m gain; altitudes 2000-4000+ m

Equipment

  • SKYRUNNING SHOES (aggressive lugs, drainage, rock plate, ~250-320g)

    Signature technical trail shoe.

  • HYDRATION VEST (mandatory kit + gels + water)

    Standard hydration vest.

  • MANDATORY KIT (ISF): waterproof jacket, emergency blanket, whistle, hat, gloves, headlamp for ultras

    Signature mandatory alpine kit.

  • TRAIL POLES (allowed in most events) — carbon, ~180g each

    Signature trail poles.

  • GPS TRACKER for safety on extreme events

    Standard tracker.

Terminology

VK
Vertical Kilometer — 1000m gain in under 5km distance.
Sky
Middle-distance skyrunning race (20-49km).
Ultra
Long-distance skyrunning race (50+km).
ISF
International Skyrunning Federation.
SWS
Skyrunner World Series — top ISF race circuit.
Zegama-Aizkorri
Iconic Basque Sky race (42km, Spain).
Trofeo Kima
Legendary technical skyrunning race in Italian Alps (52km, cabled crossings).

Major competitions

  • Skyrunner World Series (SWS)

    annual · Global (Europe-heavy) · since 2001

  • ISF Skyrunning World Championships

    biennial · Global · since 2010

  • Zegama-Aizkorri Sky Marathon

    annual · Basque Country, Spain · since 2002

  • Trofeo Kima

    biennial · Italy (Val Masino) · since 1995

  • Hardrock Hundred Mile Endurance Run (skyultra category)

    annual · Colorado, USA · since 1992

Where it is played

Governing bodies

  • International Skyrunning Federation (ISF)

    Founded 1995 · Italy

Famous names & records

Famous athletes

  • Kilian Jornet (ES, Skyrunner World Series titles + Hardrock 100 + FKT stars)
  • Emelie Forsberg (SE, multi-Skyrunning World Champion)
  • Luis Alberto Hernando (ES, 3× World Champion Long Trail)
  • Fernanda Maciel (BR)

Sources & provenance

Last verified 2026-08-28.verified