Santander, Spain · Saturday, September 5, 2026

Fixed Distance 100K

Ciudad de Santander

Race completed
100 km Distance
not publishedn/a Climbing
5.0 est Grit · Challenging

Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.

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43.4659° N, 3.8049° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 13 hours 7:48 min/km average. Firm. Sustained running. Long aid-station stops will cost you. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 88% of 100K races. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~16 Tiny. You will run alone for most of it.

DUV results for the 2024 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 22°C
Night low 17°C
Rainfall Mostly dry
Daylight 13 h 04 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 172 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With road terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of road.

  • Trail Running Shoes100 km of road — cushioning that is still there in the last quarter.
  • Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 100 km, without the bounce.
  • HeadlampsA 13 h limit puts you out there after dark.
  • AccessoriesChafe and blisters end more 100 km races than fitness does.

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

Salomon

Ultra Glide 2

★★★★☆ 4.3

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Naked

Running Band

Minimalist waist-mounted running band. Ultra-light alternative to a vest for shorter races.

$60 ★★★★☆ 4.3

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

Squirrel's Nut Butter

Anti-Chafe Balm

All-natural anti-chafe balm. Essential for 100+ mile races.

$12 ★★★★★ 4.8
All gear guides →

Course Notes

Circuito completamente llano, vueltas de 1250m, entre pista de atletismo y campos de futbol (asfalto y tartán). Circuito Homologado y marcas oficiales y validas.

Similar races

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