Baturraden, Indonesia · Sunday, July 25, 2027
Fixed Distance 50K
BFR Slamet Ultra
296 days away
48 km Distance
not publishedn/a Climbing
2.4 est Grit · Entry level
Calculated from 48 km alone — the organiser has not published an elevation profile. Read 2.4 as a floor, not a verdict.
What the course asks
Time limit 18 hours
22:30 min/km average. Generous. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the most forgiving 50K cut-offs we track. Measured against 1037 races of the same distance. Cut-off calculator →
Field size ~38 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (48km) — 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 28°C
Night low 20°C
Rainfall Showers likely
Daylight 11 h 46 m of light
Regional 2001-2020 average for July — NASA POWER, grid elevation 221 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 48km | 38 | Abdul Rohman · 08:41:57 | Shintya Wulandary · 15:53:02 |
8% of the 2026 field were women.
DUV results for the 2026 edition (48km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 48 km of trail.
- Trail Running Shoes 48 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 48 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 48 km, without the bounce.
- Headlamps A 18 h limit puts you out there after dark.
- GPS Watches Battery life first — a 48 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.