Flinders Ranges, SA, Australia · Saturday, May 2, 2026

Fixed Distance 100K

Ikara Ultra - 100km

Race completed
100 km Distance
not publishedn/a Climbing
5.0 est Grit · Challenging

Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.

31.4970° S, 138.5450° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~29 Small. Long stretches with nobody in sight.

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 19°C
Night low 7°C
Rainfall Dry — rain unlikely
Daylight 10 h 52 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 391 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
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail.

  • Trail Running Shoes100 km of trail — cushioning that is still there in the last quarter.
  • Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 100 km, without the bounce.
  • Headlamps100 km almost certainly means running into the night.
  • AccessoriesChafe and blisters end more 100 km races than fitness does.
All gear guides →

Course Notes

Irrational South is no longer, Ikara Trail Run will remain the same life changing adventure as I.S. set out to be

Similar races

Other 100K trail ultras, closest in distance first.