Zeewolde, Netherlands · Saturday, October 17, 2026

Backyard

Dutch Backyard Ultra Zeewolde

31 days away

not publishedn/a Distance

not publishedn/a Climbing

not publishedn/a Grit

We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.

52.3300° N, 5.5417° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~189 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (50h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 14°C

Night low 8°C

Rainfall Mostly dry

Daylight 10 h 37 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 4 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for this trail race.

Trail Running ShoesCushioning on trail that is still there in the last quarter.
Race NutritionSelf-supported fuelling between aid stations.
Hydration VestsFlask capacity without the bounce.
HeadlampsA 36 h limit puts you out there after dark.
GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

inov-8

TrailFly Ultra G 300 Max

Graphene-enhanced grip with max cushion for ultra distance trail running.

$180 ★★★★★ 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

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

De route van de Dutch Backyard Ultra bestaat uit 1 lus over Scoutinglandgoed Zeewolde en loopt grotendeels door de natuur. De route heeft weining hoogtemeters.

Similar races

Other trail ultras of the same format.