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🇮🇩Indonesia·Jawa Timur·East Java

BTS100 - 170K

UltraStatus UnknownUTMB IndexITRA
Sat, Nov 7, 2026Date
170 kmDistance
+7,439mElevation
East Java, Jawa Timur, IndonesiaLocation
244 KEKM-Effort
05:30Start Time

About

Ultra trail through Bromo Tengger Semeru National Park, crossing the volcanic sand sea at 2,200m with views of Java's highest peak Mount Semeru (3,676m) and tranquil Lake Ranu Kumbolo at 2,400m. Rural back roads, forest paths, and prairies complete this high-altitude adventure in East Java.

Organized byFonesport

Difficulty

ITRA 6 pointsUTMB World 100M
|170
Herculean244 KE
KM-Effort = distance (km) +elevation gain (m)100

Based on the ITRA standard.

Elevation Density44 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:42h

Run Conditions

MountainVolcanicForest
Weather in Nov

Temperature

19 – 26°C

Warm

Humidity

Extreme

Rainfall

369 mm

Monsoon

Sunshine

9.2h/day

~24 rainy days expected

Registration

Website
fonesport.id/bts100
Register
fonesport.id/bts100
Deadline
Not specified
Entry fee
Early Bird – 1,955,000 IDR(~$109)
Regular – 2,300,000 IDR(~$129)
Register Now

Travel & Logistics

VenueArtotel Cabin, Bromo, East Java
Google MapsView on Maps
Nearest airports
SUB - Juanda International Airport117 km | ~1h48 driving time

Race Day Info

GPX File

Not yet released, check again closer to race date

BiB Collection

Not available yet, check again closer to race date

Mandatory Gear

Not available — check the website for more details

Other Distances

BTS100 - 8K

8.0 km+373mNov 7
UTMBITRA

BTS100 - 18K

18.0 km+555mNov 7
UTMBITRA

BTS100 - 35K

35.0 km+1,305mNov 7
UTMBITRA

BTS100 - 70K

70.0 km+2,960mNov 7
UTMBITRA

BTS100 - 100K

100 km+4,187mNov 7
UTMBITRA

Community

Reviews

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Race data is actively being refined. If something looks off, .

Sources: fonesport, website · Enriched 2026-06-21