St. Ives, NSW, Australia · Saturday, July 25, 2026
Fixed Distance 50K
Sydney Ultra Marathon SUM50
Race completed
50 km Distance
1,573 m Climbing
4.9 Grit · Challenging
What the course asks
Climbing rate 31 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~403 Large. Rarely out of sight of another runner.
DUV results for the 2026 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, July
Daytime high 16°C
Night low 8°C
Rainfall Mostly dry
Daylight 10 h 17 m of light
Regional 2001-2020 average for July — NASA POWER, grid elevation 99 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 1,573 m of ascent.
- Trail Running Shoes31 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles1,573 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
The course takes runners through the stunning landscapes of Ku-Ring-Gai and Garigal National Park, which are among the best trails in the world.
Similar races
Other 50K trail ultras, closest in distance first.