trithings

Events calendar

Triathlons, sportives, runs and swims worth planning a season around, from IRONMAN and Challenge to the Dutch favourites. 75 events in 13 countries so far.

A date is shown only when the organiser has published it (tap it to see where). Otherwise you see the month the event is usually held, so check the official site before you book. Planning a race? The race time and pacing and fuelling tools help.

75 events

January

  • GP Groot Egmond-Pier-Egmond

    Bike · Beach race (mountain bike) · Egmond aan Zee, Netherlands

    38 km

    Mountain bikes on the North Sea beach, the day before the Egmond Halve Marathon.

  • Egmond Halve Marathon

    Run · Half marathon · Egmond aan Zee, Netherlands

    21.1 km and 10.5 km

    Beach and dunes in midwinter.

February

  • Groet uit Schoorl Run

    Run · 30 km, half marathon and 10 km · Schoorl, Netherlands

    30 km, 21.1 km and 10 km

    Through the dunes and woods of Schoorl.

March

  • Omloop van Zandvoort

    Bike · Tour · Zandvoort, Netherlands

    40, 80 and 120 km

  • Zandvoort Circuit Run

    Run · 16 km, 12 km and 4 km · Zandvoort, Netherlands

    Run on the Circuit Zandvoort F1 track and the boulevard.

  • NN CPC Loop

    Run · Half marathon, 10 km and 5 km · Den Haag, Netherlands

    Usually MarchOfficial site

April

  • Amgen Singelloop Breda

    Run · Half marathon, 10 km and 5 km · Breda, Netherlands

  • Ronde van Noord-Holland

    Bike · Tour · Noord-Holland, Netherlands

    85, 110, 160 and 250 km

    Over 50 editions; the longest route is 250 km.

  • Amstel Gold Race Toerversie

    Bike · Sportive · Valkenburg, Zuid-Limburg, Netherlands

    Ride the Limburg hills the day before the pro race.

  • Anfi Challenge Mogán-Gran Canaria

    Triathlon · Challenge 100 and Standard distance · Mogán, Gran Canaria, Spain

    An early season race in the Canary Islands sun.

  • IRONMAN 70.3 Valencia

    Triathlon · Middle distance · Valencia, Spain

    1.9 km swim, 90 km bike, 21.1 km run

  • KiKa Hilversum City Run

    Run · 10 km and 5 km · Hilversum, Netherlands

  • TCS London Marathon

    Run · Marathon · London, United Kingdom

    42.2 km

    Two days in 2027, for a record 100,000 runners.

  • Baloise Antwerp 10 Miles

    Run · 10 miles · Antwerp, Belgium

    16.1 km

    Usually sells out within hours of opening.

    Usually AprilOfficial site
  • Enschede Marathon

    Run · Marathon, half marathon and shorter runs · Enschede, Netherlands

    The oldest marathon in the Netherlands.

    Usually AprilOfficial site
  • Haspa Marathon Hamburg

    Run · Marathon · Hamburg, Germany

    42.2 km

    Usually AprilOfficial site
  • Mallorca 312

    Bike · Sportive · Playa de Muro, Mallorca, Spain

    The long route goes right round the island, 312 km.

    Usually AprilOfficial site
  • Manchester Marathon

    Run · Marathon · Manchester, United Kingdom

    42.2 km

    One of the biggest marathons in the UK.

    Usually AprilOfficial site
  • NN Marathon Rotterdam

    Run · Marathon · Rotterdam, Netherlands

    42.2 km

    Over the Erasmusbrug.

    Usually AprilOfficial site
  • Paris-Roubaix Challenge

    Bike · Sportive · Roubaix, France

    The cobbled sectors of the Hell of the North, finishing in the Roubaix velodrome.

    Usually AprilOfficial site
  • Ronde van Vlaanderen Cyclo

    Bike · Sportive · Oudenaarde, Flanders, Belgium

    The Flemish cobbles and climbs the day before the Tour of Flanders.

    Usually AprilOfficial site
  • Schneider Electric Marathon de Paris

    Run · Marathon · Paris, France

    42.2 km

    Usually AprilOfficial site

May

  • Alkmaar City Run by Night

    Run · 10 km and 5 km · Alkmaar, Netherlands

    An evening run through the old town.

  • Challenge Salou-Costa Daurada

    Triathlon · Challenge 100 and Standard distance · Salou, Spain

  • IRONMAN Lanzarote

    Triathlon · Full distance · Puerto del Carmen, Lanzarote, Spain

  • Challenge Cesenatico

    Triathlon · Challenge 100 and Sprint distance · Cesenatico, Italy

  • The Championship

    Triathlon · Challenge 100, Standard and Sprint distance · x-bionic sphere, Šamorín, Slovakia

    Challenge Family's championship race.

  • Fred Whitton Challenge

    Bike · Sportive · Lake District, United Kingdom

    The steep Lake District passes, Hardknott and Wrynose among them.

    Usually MayOfficial site
  • IRONMAN 70.3 Mallorca

    Triathlon · Middle distance · Alcúdia, Mallorca, Spain

    Usually MayOfficial site
  • Nove Colli

    Bike · Granfondo · Cesenatico, Italy

    Nine climbs in the hills behind the Adriatic coast.

    Usually MayOfficial site
  • Outlaw Half Nottingham

    Triathlon · Middle distance · National Water Sports Centre, Nottingham, United Kingdom

    1.9 km swim, 90 km bike, 21.1 km run

    Swim in the rowing lake at Holme Pierrepont.

    Usually MayOfficial site
  • RideLondon

    Bike · Sportive · London and Essex, United Kingdom

    Usually MayOfficial site

June

  • Ronde van de Stelling van Amsterdam

    Bike · Tour · Around Amsterdam, Netherlands

    40, 100, 120 and 170 km

    Follows the Stelling van Amsterdam, the ring of forts around the city.

  • Challenge Gdańsk

    Triathlon · Challenge 100 and Sprint distance · Gdańsk, Poland

  • Challenge Kaiserwinkl-Walchsee

    Triathlon · Challenge 100 and Aquabike · Walchsee, Tyrol, Austria

    Swim in an Alpine lake below the Kaiser mountains.

  • IRONMAN Frankfurt

    Triathlon · Full distance · Frankfurt am Main, Germany

    3.8 km swim, 180 km bike, 42.2 km run

    The IRONMAN European Championship.

  • DTS Grand Prix ZandvoortBrian’s pick

    Triathlon · Sprint and Olympic distance · Zandvoort, Netherlands

    Swim in the sea, then bike and run on the Circuit Zandvoort F1 track.

    Usually JuneReadOfficial site
  • Great North Swim

    Swim · Open water · Windermere, Lake District, United Kingdom

    Usually JuneOfficial site
  • IRONMAN 70.3 Tours Métropole

    Triathlon · Middle distance · Tours, France

    1.9 km swim, 90 km bike, 21.1 km run

    Usually JuneOfficial site
  • IRONMAN 70.3 Westfriesland

    Triathlon · Middle distance · Hoorn, Netherlands

    1.9 km swim, 90 km bike, 21.1 km run

    Sells out fast.

    Usually JuneOfficial site
  • IRONMAN Hamburg

    Triathlon · Full distance · Hamburg, Germany

    Usually JuneOfficial site
  • Quebrantahuesos

    Bike · Sportive · Sabiñánigo, Pyrenees, Spain

    Crosses the Pyrenees into France and back.

    Usually JuneOfficial site

July

  • DATEV Challenge Roth

    Triathlon · Full distance · Roth, Germany

    3.8 km swim, 180 km bike, 42.2 km run

    Famous for the crowds on the Solarer Berg climb.

  • Maratona dles Dolomites

    Bike · Sportive · Alta Badia, Italy

    Closed Dolomite passes; 2027 is the 40th edition.

  • IRONMAN 70.3 Jönköping

    Triathlon · Middle distance · Jönköping, Sweden

    1.9 km swim, 90 km bike, 21.1 km run

  • L'Étape du Tour

    Bike · Sportive · A Tour de France mountain stage (changes every year), France

    Ride a real Tour de France stage on closed roads.

  • Ronde van de Westfriese Omringdijk

    Bike · Tour · West-Friesland, Netherlands

    50, 80 and 135 km

    Along the dyke that rings West-Friesland.

  • 10 van NoordwijkBrian’s pick

    Run · 10 km and 5 km · Noordwijk, Netherlands

    Starts on the boulevard and runs through the dunes with sea views.

    Usually JulyReadOfficial site
  • DTS HLMRMEERBrian’s pick

    Triathlon · Middle, Olympic and Sprint distance · Haarlemmermeerse Bos, Hoofddorp, Netherlands

    Middle: 1.9 km swim, 90 km bike, 21.1 km run

    Swim in the Haarlemmermeerse Plas; the middle distance bike takes in the Rondje Ringvaart.

    Usually JulyReadOfficial site
  • IRONMAN Vitoria-Gasteiz

    Triathlon · Full distance · Vitoria-Gasteiz, Spain

    Usually JulyOfficial site
  • Vansbrosimningen

    Swim · Open water (river) · Vansbro, Sweden

    Downstream in two rivers; part of the Swedish Classic.

    Usually JulyOfficial site

August

  • IRONMAN 70.3 Leipzig

    Triathlon · Middle distance · Leipzig, Germany

    1.9 km swim, 90 km bike, 21.1 km run

  • IRONMAN Copenhagen

    Triathlon · Full distance · Copenhagen, Denmark

    Usually AugustOfficial site
  • IRONMAN Kalmar

    Triathlon · Full distance · Kalmar, Sweden

    Usually AugustOfficial site
  • IRONMAN Tallinn

    Triathlon · Full distance · Tallinn, Estonia

    Usually AugustOfficial site

September

  • Challenge Almere-AmsterdamBrian’s pick

    Triathlon · Full and Middle distance · Almere, Netherlands

    Full: 3.8 km, 180 km, 42.2 km. Middle: 1.9 km, 90 km, 21.1 km

    One of the oldest long distance triathlons; flat polder roads below sea level.

  • Damloop by NightBrian’s pick

    Run · 8 km (5 miles) · Zaandam, Netherlands

    Through the lit-up streets of Zaandam on the eve of the Dam tot Damloop, up to 15,000 runners.

  • NN Dam tot Damloop

    Run · 10 miles · Amsterdam to Zaandam, Netherlands

    16.1 km

    The 41st edition. From the Prins Hendrikkade in Amsterdam, under the IJ, to the Peperstraat in Zaandam.

  • Saxo Dam tot Dam FietsClassic

    Bike · Tour · Amsterdam and Zaandam, Netherlands

    40, 60, 90, 110, 160 and 200 km

    Part of the Dam tot Dam weekend, run by Le Champion.

  • Jumbo op de PedalenBrian’s pick

    Bike · Supported tour · Veghel, Netherlands

    100 km

    Starts and finishes at the Jumbo head office; 2,082 riders in 2026.

  • Amsterdam City Swim

    Swim · Open water (charity) · Amsterdam canals, Netherlands

    Swim through the canals for ALS research; a record 3,300 swimmers in 2026.

    Usually SeptemberOfficial site
  • BMW Berlin Marathon

    Run · Marathon · Berlin, Germany

    42.2 km

    Usually SeptemberOfficial site
  • Great North Run

    Run · Half marathon · Newcastle to South Shields, United Kingdom

    21.1 km

    Usually SeptemberOfficial site
  • IRONMAN Wales

    Triathlon · Full distance · Tenby, United Kingdom

    Usually SeptemberOfficial site
  • Swim Serpentine

    Swim · Open water · The Serpentine, Hyde Park, London, United Kingdom

    From the organisers of the London Marathon.

    Usually SeptemberOfficial site

October

  • Challenge Vieux-Boucau

    Triathlon · Challenge 100, Standard and Sprint distance · Vieux-Boucau-les-Bains, Landes, France

  • Challenge Peguera-Mallorca

    Triathlon · Challenge 100 · Peguera, Mallorca, Spain

    A late season race on Mallorca.

  • Challenge Forte Village

    Triathlon · Middle and Sprint distance, Aquabike · Forte Village, Sardinia, Italy

  • ASML Marathon Eindhoven

    Run · Marathon, half marathon and shorter runs · Eindhoven, Netherlands

    Usually OctoberOfficial site
  • Challenge Barcelona

    Triathlon · Middle, Standard and Sprint distance · Barcelona, Spain

    Usually OctoberOfficial site
  • IRONMAN Barcelona

    Triathlon · Full distance · Calella, Spain

    Usually OctoberOfficial site
  • Mainova Frankfurt Marathon

    Run · Marathon · Frankfurt am Main, Germany

    42.2 km

    Finishes indoors, in the Festhalle.

    Usually OctoberOfficial site
  • TCS Amsterdam Marathon

    Run · Marathon, half marathon and 7.5 km · Amsterdam, Netherlands

    Finishes in the Olympic Stadium.

    Usually OctoberOfficial site

November

  • Zevenheuvelenloop

    Run · 15 km · Nijmegen, Netherlands

    Usually NovemberOfficial site

December

  • Valencia Marathon

    Run · Marathon · Valencia, Spain

    42.2 km

    Flat and fast, popular for personal bests.

    Usually DecemberOfficial site