Kampen, Sylt, Germany · Saturday, May 9, 2026

Fixed Distance 100K

North Sea Ultra Sylt

Race completed
111 km Distance
210 m Climbing
5.9 Grit · Challenging
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54.9538° N, 8.3441° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 2 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 16 hours 8:39 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 75% of 100K races. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~142 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (111km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 12°C
Night low 10°C
Rainfall Mostly dry
Daylight 15 h 42 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 1 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With trail 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 111 km of trail with 210 m of ascent.

  • Trail Running Shoes111 km of trail — cushioning that is still there in the last quarter.
  • Race NutritionPast 111 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 111 km, without the bounce.
  • HeadlampsA 16 h limit puts you out there after dark.
  • AccessoriesChafe and blisters end more 111 km races than fitness does.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Nitecore

UT32

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

$100 ★★★★★ 4.5

Darn Tough

Micro Crew Ultra Running

Merino wool trail running socks with lifetime warranty. Blister-resistant.

$23 ★★★★★ 4.7
All gear guides →

Course Notes

Der North Sea Ultra führt als Rundkurs einmal um Sylt über 111 km. Die Strecke ist nicht amtlich vermessen, überwiegend Asphalt, Deichwege und Sandpfade, rund 210 hm, insgesamt flach, aber durch Wind extrem fordernd.

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