Ultra Running Hub Katoomba, NSW, Blue Mountains, Australia · Saturday, May 15, 2027
100K
Ultra-Trail Australia
189 days away
101 km Distance
4,400 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 44 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 28 hours
16:38 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 100K cut-offs we track. Measured against 233 races of the same distance. Cut-off calculator →
Field size ~1,392 Very large. Congested start, busy aid stations.
DUV results for the 2026 edition (100km) — 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 14°C
Night low 5°C
Rainfall Mostly dry
Daylight 10 h 24 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 875 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 101 km of trail with 4,400 m of ascent.
- Trail Running Shoes44 m of climb per kilometre — grip and rock protection before cushioning.
- Race NutritionPast 101 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles4,400 m of ascent to walk up.
- HeadlampsA 28 h limit puts you out there after dark.
About
It runs through the Blue Mountains World Heritage area west of Sydney.
Highlights
- Blue Mountains scenery
- Technical single track
- World Heritage trails
Similar races
Other 100K trail ultras, closest in distance first.