Smurfs Backyard Ultra

6 days to go

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.

16.9237° S, 145.7661° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~64 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (28h) — 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 28°C

Night low 19°C

Rainfall Mostly dry

Daylight 12 h 35 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 404 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	28h	64	Norman Eigl · 187.768 km	Kelly Romano-Inverardi · 167.650 km
2024	26h	53	Adam Fox · 174.356 km	Kelly Romano-Inverardi · 140.826 km
2023	34h	49	Adam Fox · 228.004 km	Peta Travers-Jones · 147.532 km

The field grew 21% between 2024 (53) and 2025 (64). 19% of the 2025 field were women.

DUV results for the 2025 edition (28h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

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

Gear for this race

Chosen for this trail race.

Trail Running Shoes Cushioning on trail that is still there in the last quarter.
Race Nutrition Self-supported fuelling between aid stations.
Hydration Vests Flask capacity without the bounce.
Headlamps A 28 h limit puts you out there after dark.
GPS Watches Battery life first — an ultra outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

HOKA