60K
start 06:30
FinishedUltra
31 km · 379 m climbing · on the varied terrain of Kemerburgaz City Forest
Istanbul Ultra
Istanbul Ultra was an ultramarathon held on the varied terrain of Kemerburgaz City Forest on 5 September 2026.
- Date & start
- 5 September 2026 · 06:30Saturday
- Location
- IstanbulStart: Kemerburgaz City Forest, Istanbul
- Distances
- 5K–60K5K, 15K, 30K, 60K, 5K team, kids' race
- Entry fee
- from 1,750 TL
01 · Results
Results
This race has finished
Istanbul Ultra was held on 5 September 2026. This page will be updated when the next edition is announced — the address stays the same, 2027 details will appear here too.
2026 resultsPublished
About 4,500 athletes raced across four courses
- 5K MenFedaaeldin Hassan
- 5K WomenMeltem Yılmaz
- 15K MenHalil Yaşın
- 15K WomenTuğba Yenigün
- 30K MenRoger Comellas Espelt
- 30K WomenElif Gökçe Avcı Ataman
- 60K MenÜzeyir Söylemez
- 60K WomenSongül Berikol
Run it next year
We’ll email you when the date of the next edition is added.
Istanbul Ultra was an ultramarathon held on the varied terrain of Kemerburgaz City Forest on 5 September 2026. The event offers 5K, 15K, 30K, 60K, 5K team and kids' race courses; the start time was 06.30.
This race has 6 coursesAll on 5 Sep 2026 · Istanbul
OrganiserUzunetap ve SPX
Spotted something wrong or out of date?Let us know
Race Note
Start times by course (source: istanbulultra.com.tr category pages): 60K 06:30 · 30K 08:00 · 15K 09:15 · 5K 09:45. The drop bag area opens at 06:00. The race used to be called "Merrell Belgrad Ultra Trail", and the old domain belgradultratrail.com now redirects here. The venue is Kemerburgaz City Forest (in the Belgrad Forest area).02 · Courses
Course, map and GPX
30K
30.9 km · +379 m · start 06:30
Start: Kemerburgaz City Forest, Istanbul
- Distance
- 30.9 km
- Total climbing
- ↑ 379 m
- Total descent
- ↓ 377 m
- Altitude range
- 42–157 m
- Climbing per kilometre
- 12 m
- Flat sections
- 71%
- Km-effort · ITRA scale (calculated)
- 35 · XS
- Difficulty rank in the calendar
- 49 / 119
Elevation profile
Steep climb 8%+Climb 3–8%FlatDescent 3–8%Steep descent 8%+
Over 30.9 km there is 379 m of climbing, 12 m per kilometre. A rolling course: ups and downs, but not a mountain course. About 49% of the climbing is in the first half.
Course section by section
Course section by section
- 0.0–2.8 km2.8 kmGentle climb+31 maverage 1.1%75 m → 106 m
- 2.8–9.1 km6.4 kmRolling+115 m / −77 m
- 9.1–12.9 km3.8 kmGentle descent−69 maverage 1.8%144 m → 75 m
- 12.9–20.4 km7.5 kmGentle climb+75 maverage 1.0%75 m → 150 m
- 20.4–27.5 km7.1 kmRolling+82 m / −113 m
- 27.5–30.9 km3.4 kmGentle descent−42 maverage 1.3%119 m → 77 m
15K
15.6 km · +188 m · start 06:30
Start: Kemerburgaz City Forest, Istanbul
- Distance
- 15.6 km
- Total climbing
- ↑ 188 m
- Total descent
- ↓ 191 m
- Altitude range
- 42–124 m
- Climbing per kilometre
- 12 m
- Flat sections
- 73%
- Km-effort · ITRA scale (calculated)
- 17 · XXS
- Difficulty rank in the calendar
- 76 / 119
Elevation profile
Steep climb 8%+Climb 3–8%FlatDescent 3–8%Steep descent 8%+
Over 15.6 km there is 188 m of climbing, 12 m per kilometre. A rolling course: ups and downs, but not a mountain course. About 44% of the climbing is in the first half.
Course section by section
Course section by section
- 0.0–4.2 km4.2 kmRolling+53 m / −76 m
- 4.2–11.6 km7.4 kmFlat+49 m / −41 m
- 11.6–15.6 km4.0 kmRolling+88 m / −75 m
5K
5.4 km · +142 m · start 06:30
Start: Kemerburgaz City Forest, Istanbul
- Distance
- 5.4 km
- Total climbing
- ↑ 142 m
- Total descent
- ↓ 142 m
- Altitude range
- 28–105 m
- Climbing per kilometre
- 26 m
- Flat sections
- 39%
- Km-effort · ITRA scale (calculated)
- 7 · XXS
- Difficulty rank in the calendar
- 102 / 119
Elevation profile
Steep climb 8%+Climb 3–8%FlatDescent 3–8%Steep descent 8%+
Over 5.4 km there is 142 m of climbing, 26 m per kilometre. A trail course with distinct climbs.
Climbs1 notable climb
| Climb | Kilometre | Net gain | Avg. gradient | Steepest 250 m | Top |
|---|---|---|---|---|---|
| T1 | 1.4–2.30.9 km | 77 m | 8.1% | 15% | 105 m |
Course section by section
Course section by section
- 0.0–2.9 km2.9 kmGentle descent−35 maverage 1.2%74 m → 39 m(total +83 / −118 m)
- 2.9–3.7 km0.7 kmClimb+26 maverage 3.6%39 m → 65 m
- 3.7–5.4 km1.8 kmRolling+31 m / −22 m
5K team
start 06:30
The course file (GPX) has not been published yet.
kids' race
start 06:30
The course file (GPX) has not been published yet.
03 · Weather
What Was the Weather on Race Day?
Clear start 06:30Hot28°Highest temperature19°Lowest temperature
- Precipitation
- 0.0 mm
- Max wind
- 14 km/h
- Sunrise / sunset
- 06:34 / 19:30
- The start (06:30) is before sunrise (06:34): you may need a headlamp or reflective clothing.
- A warm day: plan your water and salt accordingly.
Sources4
04 · FAQ
Istanbul Ultra: frequently asked questions
What is the official website of Istanbul Ultra?
Official website: istanbulultra.com.tr.
Have the 2026 results of Istanbul Ultra been published?
Yes. Winners — 5K Men: Fedaaeldin Hassan; 5K Women: Meltem Yılmaz; 15K Men: Halil Yaşın; 15K Women: Tuğba Yenigün; 30K Men: Roger Comellas Espelt; 30K Women: Elif Gökçe Avcı Ataman. About 4,500 athletes raced across four courses. The full list is behind the «Official results list» link on this page.
What was the weather like on race day at Istanbul Ultra?
The low was 19 °C and the high 28 °C; precipitation 0.0 mm, max wind 14 km/h. The start (06:30) is before sunrise (06:34): you may need a headlamp or reflective clothing.
How long are the Istanbul Ultra courses and how much climbing do they have?
30K: 30.9 km, 379 m of climbing · 15K: 15.6 km, 188 m of climbing · 5K: 5.4 km, 142 m of climbing. Values are measured from the organiser's published course files.
How do the Istanbul Ultra courses rank by difficulty?
From easiest to hardest: 5K (km-effort 7, XXS) → 15K (km-effort 17, XXS) → 30K (km-effort 35, XS). Ranked by km-effort (kilometres plus 1 for every 100 m of climbing), measured from the course files.
How hard is the Istanbul Ultra 30K course?
Over 30.9 km there is 379 m of climbing in total, 12 m per kilometre. About 71% of the course is flat. A rolling course: ups and downs, but not a mountain course. Km-effort is 35, which puts it in the XS category on the ITRA scale. This value is calculated from the course file. Official ITRA scores are awarded only by ITRA, and only to races registered and certified with it; this number is not that score. By km-effort it is harder than 70 of the 119 courses whose files we have measured in the calendar; difficulty rank: 49.
How steep is the Istanbul Ultra 30K course?
Share of the distance: 12% climbing (3–8%) · 77% flat · 12% descending (3–8%). Gradient was measured at equal intervals from the elevation in the course file.
What are the descents like on the Istanbul Ultra 30K course?
There is 377 m of descent in total. The longest uninterrupted descent is between km 19.4 and km 26.0: 113 m.
What is the Istanbul Ultra 30K course like, section by section?
The course splits into 6 sections: 0.0–2.8 km gentle climb (+31 m); 2.8–9.1 km rolling (+115 / −77 m); 9.1–12.9 km gentle descent (−69 m); 12.9–20.4 km gentle climb (+75 m); 20.4–27.5 km rolling (+82 / −113 m); 27.5–30.9 km gentle descent (−42 m). Sections are derived from the elevation profile of the course file.
What is the highest point of the Istanbul Ultra 30K course?
The highest point is 157 m, at km 19.4. The lowest point is 42 m. From the high point it is 12 km to the finish.
Is the hard part of the Istanbul Ultra 30K course at the start or the end?
The climbing is evenly split: 49% in the first half, 51% in the second.
Is the Istanbul Ultra 30K course a loop or an out-and-back?
Start and finish are at the same point; the course is a single loop.
How hard is the Istanbul Ultra 15K course?
Over 15.6 km there is 188 m of climbing in total, 12 m per kilometre. About 73% of the course is flat. A rolling course: ups and downs, but not a mountain course. Km-effort is 17, which puts it in the XXS category on the ITRA scale. This value is calculated from the course file. Official ITRA scores are awarded only by ITRA, and only to races registered and certified with it; this number is not that score. By km-effort it is harder than 42 of the 119 courses whose files we have measured in the calendar; difficulty rank: 76.
How steep is the Istanbul Ultra 15K course?
Share of the distance: 3% steep climbing (8% and more) · 6% climbing (3–8%) · 84% flat · 6% descending (3–8%). Gradient was measured at equal intervals from the elevation in the course file.
What is the Istanbul Ultra 15K course like, section by section?
The course splits into 3 sections: 0.0–4.2 km rolling (+53 / −76 m); 4.2–11.6 km flat (+49 / −41 m); 11.6–15.6 km rolling (+88 / −75 m). Sections are derived from the elevation profile of the course file.
How hard is the Istanbul Ultra 5K course?
Over 5.4 km there is 142 m of climbing in total, 26 m per kilometre. About 39% of the course is flat. A trail course with distinct climbs. Km-effort is 7, which puts it in the XXS category on the ITRA scale. This value is calculated from the course file. Official ITRA scores are awarded only by ITRA, and only to races registered and certified with it; this number is not that score. By km-effort it is harder than 11 of the 119 courses whose files we have measured in the calendar; difficulty rank: 102.
Where is the hardest climb on the Istanbul Ultra 5K course?
The biggest climb is between km 1.4 and km 2.3: 77 m net at an average gradient of 8.1%. Its steepest 250 m section averages 15%.
How steep is the Istanbul Ultra 5K course?
Share of the distance: 7% steep climbing (8% and more) · 29% climbing (3–8%) · 50% flat · 7% descending (3–8%) · 7% steep descending (8% and more). Gradient was measured at equal intervals from the elevation in the course file.
What is the Istanbul Ultra 5K course like, section by section?
The course splits into 3 sections: 0.0–2.9 km gentle descent (−35 m); 2.9–3.7 km climb (+26 m); 3.7–5.4 km rolling (+31 / −22 m). The biggest climb is between km 2.9–3.7: +26 m over 0.7 km, averaging 3.6%. Sections are derived from the elevation profile of the course file.
Is there a GPX file for Istanbul Ultra?
Yes. The organiser's course file is in the Course and Map section on this page; you can load it onto your watch or phone.
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Sources4 sources
- 1Courses & GPX · Course section by section · 30K, 15K, 5KSections are derived automatically from the elevation profile of the course file. Section values come from a thinned-out profile, so they may differ by a few metres from the total climb above.↩
- 2Courses & GPX · 30K, 15Kthe organiser's published course file. The file has no elevation data, so altitudes come from a satellite elevation model (Copernicus DEM). Values are measured from the file and may differ slightly from the climbing the organiser states. Last calculated: 13.10.2026.↩
- 3Courses & GPX · 5Kthe organiser's published course file. Values are measured from the file and may differ slightly from the climbing the organiser states. Last calculated: 13.10.2026.↩
- 4WeatherOpen-Meteo historical weather archive (ERA5 reanalysis), race day. These are recorded values, not a forecast. Values are the model’s area average and may differ by a few degrees at the start.↩
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