Race course · 10K Montmartre 2027
10K Montmartre: elevation profile, gain and race strategy
A 10K through Paris's 18th arrondissement, with the Sacré-Cœur in the middle. The 10K Montmartre AG2R La Mondiale is flat for four and a half kilometres, then climbs the Butte in one go: 70 m of elevation gain in under two kilometres, before dropping all the way back down to the town hall. It isn't a 10K for a flat-course PB. It's a 10K where your race comes down to how you handle the climb. Here is the course as Runcon reads it, kilometre by kilometre.
Updated 6 November 2026 · race on Sunday 24 January 2027 · 2026 course
The 2027 route hasn't been published yet. For now the organiser shows the route of the first edition, run on 18 January 2026, and says the 2027 course, start and finish will be announced later. Everything below therefore describes the 2026 course. This page will be updated as soon as the new route is out.
Race facts
| Date | Sunday 24 January 2027 (2nd edition), wave starts by corral |
|---|---|
| Start (2026) | Boulevard Ornano, at the junction with rue Ordener |
| Finish (2026) | In front of the 18th arrondissement town hall, rue Ordener |
| Distance | 10 km |
| Stated elevation gain (2026) | 153 m D+ |
| Altitude | 55 to 130 m (Runcon survey) |
| Runners | 10,000 in 2026 |
The course profile, analysed by Runcon
Here is the course as Runcon displays it when you add a race: each stretch is coloured by the effort it takes on the road. The route is a GPS track recorded during the 2026 race. The vertical scale starts at 0 m to show the terrain as it really is.
GPS track from the 2026 race, without times. The watch measured 10.2 km, as often happens in a city; the kilometres on this page are those of the track. Runcon measures 146 m of D+, the organiser stated 153 m: both surveys put the high point at km 6.4, at the Sacré-Cœur. The dotted line marks the aid station at km 5.
Just one climb, but a very steep one
Runcon's briefing looks for steep climbs and descents (over 6% on the road) and for uphill false flats, the gentle drags that wear you down without you noticing. On the 10K Montmartre, here is what it finds:
The climb starts gently on boulevard Barbès around km 4.6, then rears up after rue Christiani: 540 m averaging 7.8% between km 5.3 and 5.85, up rue Muller to the fan zone. The hardest 200 m get close to 10%. The gradient then eases (2.7%) up to the high point, by the basilica, at km 6.4. The organiser sums this part up as "1.2 km at 5.6%".
What it costs you: for Runcon, these 1.8 km of climbing are worth about 260 m of extra flat running, roughly 1'20" at 5:00/km. The descents that follow give most of it back (about 200 m). Over the whole race, Runcon counts about 120 m of extra flat running, just over 1%: the course is slower than a flat 10K, but less so than its reputation suggests, as long as you know how to run the descents.
The three parts of the course
| Section | Km | D+ | D− |
|---|---|---|---|
| The northern 18th loop | 0 – 4.6 | 26 m | 25 m |
| The climb up the Butte | 4.6 – 6.4 | 73 m | 4 m |
| The descent to the town hall | 6.4 – 10 | 46 m | 110 m |
Elevation gain (D+) and loss (D−) measured by Runcon on the 2026 track.
1. The northern 18th loop (km 0 to 4.6): flat, and that's the trap
The start is on boulevard Ornano, heading north, then a big loop through rue Championnet, Belliard, Vauvenargues, Leibniz, du Poteau and Versigny, and back towards rue Ordener. It's flat (less than 9 m of difference over 4.6 km), with lots of right-angle turns. The corrals start one after the other, so the road clears quickly. The risk is cruising here at your flat-10K pace: the Butte arrives at km 5 and makes you pay for every second banked early. Aim a few seconds per kilometre slower than your target pace.
2. The climb up the Butte (km 4.6 to 6.4): run it by effort, not pace
Boulevard Barbès, towards Château-Rouge, is already rising gently (1.8%). The aid station is at km 5, then rue Christiani and rue Muller take you up towards the Sacré-Cœur. On the 7.8% stretch, your pace will drop by more than a minute per kilometre: that's normal, everyone slows down. Shorten your stride, keep your cadence and run by feel, not by your watch. If you reach the top so out of breath that you can't pick up the pace again, you'll lose more on the way down than you saved on the way up. The fan zone, at km 5.8, marks the end of the hardest part.
3. The descent to the town hall (km 6.4 to 10): where you win your time back
From the Sacré-Cœur, the course runs along rue Saint-Vincent, rue Girardon and rue Lepic and drops about 47 m to km 7.75, with a short stretch at around 8% near km 7.2 and several tight turns. Watch out for the trap in the middle: a 525 m rise at 3% on rue Caulaincourt (km 7.75 to 8.3), which catches you out just when you think the worst is over. After that, it's 1.5 km of gentle descent along rue Custine and rue de Clignancourt to rue Ordener and the finish in front of the town hall. If you kept something in reserve on the Butte, this is where you speed up.
Aid station and start corrals
There is only one aid station on the course, at km 5, on boulevard Barbès (drinks and electrolytes in 2026), plus a full aid station at the finish. According to the 2027 FAQ, there will be no bottles or cups: bring your own container. For a 10K in January, you can also run without anything.
Starts are in corrals, based on your estimated time. Here are the 2026 times as a guide: the 2027 ones haven't been published yet.
| Corral (2026) | Corral opens | Start |
|---|---|---|
| Elite, preferential and 40 min | 8:00 | 8:15 |
| 43 min | 8:10 | 8:21 |
| 47 min | 8:25 | 8:37 |
| 51 min | 8:45 | 8:57 |
| 54 min | 9:00 | 9:17 |
| 57 min | 9:25 | 9:37 |
| 1:00 | 9:40 | 9:51 |
| 1:05 and over | 9:55 | 10:09 |
Official 2026 access map. The bag drop was on rue Ordener, west of the town hall.
The level at the front
| Edition | Men | Women |
|---|---|---|
| 2026 | Gabriel Briand, 31:16 | Lorea Irigaray, 36:33 |
31:16 on a 10K that climbs to the Sacré-Cœur: proof that the Butte can be run fast, as long as you run it smart. For your own time, allow about half a minute more than on a flat 10K if you run around 50 minutes: the Butte costs you more than that, and the descents give the rest back.
Plan your finish time with Runcon
The profile above is what Runcon shows for any race as soon as you drop in its GPX. In the app, you also get an estimated finish time based on your level, your split times kilometre by kilometre and at the aid station, and a pre-race briefing that tells you where your pace will shift. On Montmartre, that's what tells you how much the Butte will cost you, personally, and what pace to run the first four kilometres.
No GPX yet? Our GPX file guide explains where to find one and how to draw your own while you wait for the 2027 route.
Frequently asked questions
- When is the 10K Montmartre in 2027?
- On Sunday 24 January 2027, for the second edition. In 2026, the first corrals started at 8:15 and the last ones around 10:10.
- Will the 2027 course be the same as in 2026?
- We don't know yet: the organiser says the 2027 course, start and finish will be announced later. This page describes the 2026 course and will be updated when the new route is out.
- Is the 10K Montmartre hard?
- It has one real climb: about 70 m between km 4.6 and 6.4, including 540 m at nearly 8%. The rest is flat or downhill. For Runcon, the whole course costs about 120 m of extra flat running, just over 1%. The details are above.
- Are there aid stations?
- One at km 5 and one at the finish. For 2027, the organiser says there will be no bottles or cups: bring your own container.
- Where and when do I collect my bib?
- At EKOSPORT, Paris Madeleine or Montparnasse depending on what you chose when entering, on Friday 22 January from 10:00 to 20:00 and Saturday 23 January from 10:00 to 19:00, in the time slot on your race notice. No bibs are handed out on Sunday morning. Delivery by post is available as an option.
- Do I need a licence or a medical certificate?
- A 2026/2027 FFA licence (Athlé Compétition, Entreprise, Running or Pass' J'aime Courir) or the PPS certificate (Parcours Prévention Santé), uploaded to your time to profile up to 7 days before the race. You must be born in 2011 or earlier. Bibs cannot be transferred.
Sources
- Course, start times and bib collection (official website, in French)
- Official 2026 map and profile (PDF)
- First edition report (official website, in French)
- 2027 FAQ and entries (time to)
Running Montmartre? Plan your climb first.
Drop the GPX into Runcon: you'll know what the Butte will cost you, and the finish time the course really allows you. Your first 3 analyses are free.