IRONMAN Copenhagen Triathlon - PJAMM Cycling

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IRONMAN Copenhagen is a full distance triathlon located in København, Denmark. The swim is 3.8 km, bike is 180 km, and the run is 42.2 km. Use the profile tool, route maps, weather forecast, and other tools on this page to more efficiently and effectively train for your race.

Also, find and compare other Ironman and 70.3 races on our Triathlon Homepage.
Full Event Schedule


Historical Weather:
Cool, cloudy, and very often rainy. Check the PJAMM Cycling Weather Tool for current and historic weather data.

Local Tri Shops:
- Rapha Copenhagen (service, but gear and great place to hang out!)

Local Public Pools:
- Havnebadet Fisketorvet (outdoor, natural)

Popular open water swim areas:

Information Not Available

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Staying in Copenhagen is an incredible experience. The wealth of good food, coffee, and beer is almost unimaginable. 
Good Hotels:

Good Restaurants:
     - Three Michelin Stars; debatably the best restaurant in the city
     - Seafood; two Michelin Stars
     - Modern and creative fine dining; one Michelin Star
     - Thai inspired casual lounge; one Michelin Star     
     - Excellent casual Scandinavian cooking, right across the street from Ironman Village

Good Brews (☕️+🍺):




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   IRONMAN Copenhagen

Bike Course Recon                                                                

Overall Surface Quality: 


Significant Ascents:

This 2 loop bike takes you out of downtown Copenhagen into the green fields of rural Denmark. The course itself falls somewhere in the middle of Ironman bike courses, not flat, but by no means the hilliest. The rolling hills never get above 5% and only breaks a 3% gradient 12 times:

However, over the 180km ride you’ll still climb almost 650 meters, nearly all of that coming in the form of false flats (1% to 3%).  This is a very fast course - In 2021, the Ineos Grenadiers’ Cameron Wurf set the course record of 4:02:19.  Most of the pros average between 4hr 10min and 4hr 25min.

We can’t find much to say about the climbs along the course, but these are the biggest hills:

Climb of Humlebæk Strandvej (@ km 40.5 and 118)

1km,  26m gained,  4.3% peak gradient

  • Steepest 500m of the course

Climb of Birkerød Kongevej (@ km 75.5 and 153)            

1km,  19m gained,  4.5% peak gradient

Climb of Kongevejen C93 (@ km 82 and 160)            

0.7km,  21m gained,  4.7% peak gradient

  • Peak gradient on the course

Turns and Straightaways                                                 

There are quite a few turns along the course, especially along the northern part and in downtown, but there are also long stretches to stay tucked down in aero and keep your speed.

The good news is that almost the entirety of this 25km is completely flat, falling between a -1% and 1% grade.

The entire east side of the loop has no major turns for 26km, until a 90 degree right turn at the top of the Climb of Humlebæk Strandvej mentioned above.

There are also 17 km heading south without any turns, but 2 of the 3 significant rollers mentioned above.

Transition info will be released closer to the race date in the athlete guide which can be found here

Here are links to the 2021 transition zones, since the course hasn’t changed, this year’s transition will probably look similar to last year’s:

(T1 info)

(T2 info)

Strava ride of last year’s champion and all time course record (Cameron Wurf) 

Obstacles and Other Notes:

Current / Historical Weather Patterns

Full Interactive Bike Course Profile

Link to main race site: 

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