Ulong, NSW, Australia · Saturday, August 1, 2026

Fixed Distance 100K

Rumble in the Jungle 100km

Race completed
100 km Distance
3,000 m Climbing
9.5 Grit · Elite / extreme
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30.2408° S, 152.8855° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 30 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 24 hours 14:24 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 86% of 100K races. Measured against 214 races of the same distance. Cut-off calculator →
Field size ~47 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, August

Daytime high 19°C
Night low 12°C
Rainfall Mostly dry
Daylight 10 h 40 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 119 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2026 100km 47 Chris Lenkic · 09:04:50 Clare Palmer · 11:43:30

34% of the 2026 field were women.

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.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 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 with 3,000 m of ascent.

  • Trail Running Shoes 30 m of climb per kilometre — grip and rock protection before cushioning.
  • Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration Vests Pole attachment and chest-strap stability on steep ground.
  • Trekking Poles 3,000 m of ascent to walk up.
  • Headlamps A 24 h limit puts you out there after dark.

Asics

Trabuco Max 3

★★★★★ 4.6

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7
All gear guides →

Overview

The Rumble in the Jungle 100km, organised by Coffs Trail Runners, is a new trail race in Ulong, NSW, Australia, with its first edition in August 2026. The 100km course features 3000m of elevation gain.

With a 24-hour time limit, this race has a tighter cut-off than 9% of 100k trail races. Runners will need to maintain a pace faster than 14.4 minutes per kilometre to finish within the time limit. The first edition saw 47 finishers, placing it in the top 58% for field size among 312 peer 100k races.

Similar races

Other 100K trail ultras, closest in distance first.