Trail ultramarathon · Oman
10–12 December 2026 · Al Hamra and Nizwa, Oman
Jabal Classic 100K: Thu, 10 December 2026
A Hajar Mountains desert ultra with steep canyon climbs, high ridges, ancient villages, and technical rocky descents.
Entry · Jabal Classic 100K · 2026 edition
First come, first served until places run out. Open on the organizer's page on 30 Sep 2026, which does not say how many places are left.
From the organizer's page, checked 30 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Oman by UTMB is a trail ultramarathon scheduled for 10–12 December 2026 in Al Hamra and Nizwa, Oman. TrailSplits currently includes 5 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.
How to get a place: Direct registration with 'no pre-registration or lottery' for the December 2026 edition: UTMB Index holders from 9 February 2026 (48 hours), everyone from 11 February 2026 until places are filled; no waiting list. Organizer's page, checked Wednesday 30 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Oman by UTMB site →
The organizer lists Jabal Classic 100K at 103 km and +5,000 m for 2026; the course file mapped here (the organizer's 2026 file) measures 101.7 km. Small differences come from how each figure was measured; plans and pacing here use the mapped file. Organizer's race list, checked Wednesday 30 September 2026.
Finishing Jabal Classic 100K earns 3 Running Stones (100K category) toward the UTMB World Series Finals lottery. How Running Stones work.
Racing more than once next year? Add Jabal Classic 100K to a season and see whether your races work together.
Inspect the official course track on a topographic map, through its elevation profile, or in 3D.
› running direction two lines: out and back on the same path kilometres
Selected distance
Vert-focused blueprint with route-finder links into the Planner.
Prepare and return
Keep this course, its training plan, calendar and future course updates together in your private My Races page. Saving does not publish your workouts, pace or progress.
Race route lab
Open the official course in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 48.5 m climb per km.
Thu, 10 December 2026
Send to your watch
Get the official course as a clean GPX or a Garmin TCX course, with step-by-step instructions to load it onto a Garmin, COROS, Suunto, Wahoo, or Komoot — free, no account needed.
Compare your training
See how faithfully your rehearsal route matches the real race. The official course for Jabal Classic 100K loads as Route A — upload your training route to compare distance, elevation gain, estimated time, and how much of the course you actually cover.
Course analysis
See the Jabal Classic 100K course broken into its major climbs and descents in order — length, gain, average grade, and steepness — so you know where the crux is and how to pace and fuel it.
Race-week reminders
A free browser notification in the final week — the course crux, the weather window, and loading the GPX onto your watch. No app, no email, no account.
Oman by UTMB 2026 races run 10–12 December 2026 in Al Hamra and Nizwa, Oman; the Jabal Classic 100K is on Thu, 10 December 2026. Check the official race site for registration deadlines and final details.
5 distances (21.5–154 km). The longest course is 154 km with about 8,000 m of vertical gain — a demanding mountain course.
The Hajar Ultra 100M course has a 48-hour cut-off, an average of 18.7 min/km to finish in time. TrailSplits' cut-off pacer shows the buffer at each aid station.
Yes. TrailSplits gives you the course map, an interactive elevation profile, a 3D flyover and a downloadable GPX for every mapped distance — free and with no sign-up.
Each distance has a free, course-specific 16-week training plan built around its distance, vertical gain and cut-offs, plus a pace and cut-off calculator.
No. TrailSplits is a free, independent route and pacing companion. For registration and official rules, visit https://oman.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.