Copenhagen, Denmark
Copenhagen Half Marathon 2027 Pacing Plan
Start and finish are on Øster Allé beside Fælledparken in Østerbro; the loop runs through Nørrebro and Vesterbro, past the city's lakes and along Frederiksberg Allé, then curves back through the historic center past Kongens Nytorv, the Old Stock Exchange (Børsen) and the Black Diamond royal library. It's one of the flattest big-city half marathon courses in the world, with well under 10m of total elevation change across the full 21.1km.
Route shown is from the 2024 edition and may differ slightly from the current course.
Distance
21.4 km
Gain / loss
+20m / -22m
Race date
Typical race-day weather
15°C, 18 km/h
Weather is a 10-year seasonal average for this course's location and month, not a forecast for a specific date. See FAQ.
Elevation profile
Sample strategy: 1:45:00 goal
A real, AI-generated excerpt of what Splitshape produces for this exact course, not a hand-written example. Upload your own goal and recent results to get the full plan.
KM 0-4: You're fresh and the field is tight, but hold 4:41/km here, well off feel-good pace. Km 4 drifts to 4:59/km into a headwind, so don't chase it back right away. You cross the early miles at 19:19 having banked nothing, which is exactly the plan.
KM 5-8: A tailwind through km 5-7 drops you to 4:40/km by km 7, the fastest pace of your race. Let it happen, you're not forcing it, the wind and flat grade are doing the work. By km 8 you're at 38:31 and the wind has swung to a headwind, a cue to settle back down.
KM 9-12: This is the toughest stretch on paper: a sustained headwind plus a grade that peaks at 0.9% in km 12, pushing pace out to 5:27/km, 10.5% slower than your average. Don't panic at that number, it's the terrain and wind talking, not a bonk. You hit halfway around km 10 at 48:40, right on schedule for the fade built into this plan.
Frequently asked questions
Is the Copenhagen Half Marathon course flat enough for a true even-split pacing strategy?
Yes, with only 20m of total elevation gain and 22m of loss across 21.4km, this is one of the flattest big-city half marathon courses in the world. There are no meaningful climbs to disrupt rhythm, so a steady, even-split pace per kilometer is realistic from Fælledparken to the finish rather than something you need to adjust for terrain.
Does the wind along the lakes or Frederiksberg Allé affect pacing on this course?
Typical race-day conditions bring wind around 18.3 km/h, which can matter more than elevation on a course this flat, especially along the open stretches near the city's lakes. Since the route loops through different directions (Østerbro, Nørrebro, Vesterbro, and back through the historic center), runners will likely face a mix of headwind and tailwind segments rather than a constant push, so building in slightly more effort on exposed sections is worth planning for.
Can I run a negative split on the Copenhagen Half Marathon given how flat it is?
The course's near-total absence of elevation change (just 20m gain, 22m loss over 21.4km) removes terrain as an obstacle to a negative split, making it one of the more favorable flat courses for that strategy. Since there's no late climb to sap energy, a negative split here depends mainly on disciplined early pacing through Nørrebro and Vesterbro rather than fighting hills in the back half.
What temperature should I expect on race day in Copenhagen and how should that shape my pacing plan?
Typical race-day weather is around 14.7°C with wind near 18.3 km/h, which is a mild, cool temperature that doesn't demand major heat-related pacing adjustments. Combined with the course's flat profile, this makes steady, even effort through the historic center and past Kongens Nytorv and Børsen achievable without the pace fading from heat stress.
Why is the Copenhagen Half Marathon considered one of the fastest half marathon courses?
The course has under 10m of total elevation change across the full 21.1km, looping from Fælledparken through Østerbro, Nørrebro, Vesterbro, past the lakes and Frederiksberg Allé, and back through the historic center. That lack of hills, combined with mild typical temperatures around 14.7°C, removes two of the biggest variables that slow runners down on hillier or hotter courses, making even pacing plans highly reliable here.
Build your Copenhagen Half Marathon plan
Upload your own GPX or use Copenhagen Half Marathon's course, set your goal and recent results, and get the full km-by-km strategy.
Your plan also includes a gel schedule timed to your splits on this course, and a carb loading guide. How the fueling plan works →
Build my Copenhagen Half Marathon plan →Splitshape is an independent pacing-plan tool and is not an official partner, sponsor, or affiliate of the Copenhagen Half Marathon or its organizers. Course data source: digitized from the official course.