The classics. Pick one.

Coastal miles west.

Lagos, Portugal · moderate

Argan trees and ocean views.

Taghazout, Morocco · hard

Windy miles.

Tarifa, Spain · moderate

Cliff miles.

Porthcawl, Wales · easy

Hilly harbor miles.

Cat Ba, Vietnam · moderate

Cliff miles.

Symi, Greece · easy

Technical miles, epic beaches.

Marahau, New Zealand · hard

Cliff miles.

Umkomaas, South Africa · easy

Lake-view miles up the col.

Annecy, France · hard

America's longest commercial street, altitude bonus included.

Denver, USA · moderate

Forest trails above the city with Tibidabo views.

Barcelona, Spain · moderate

Cliff-top miles.

Long Island, Bahamas · easy

The classic point-to-point.

Whistler, Canada · hard

Bay miles.

San Sebastián, Spain · easy

Eleven music zones, harbor bridges, Danish crowds at full volume.

Copenhagen, Denmark · moderate

Mining history miles.

Ducktown, USA · moderate

Lee-side loops, Shandon bells at mile 20, Beamish after.

Cork, Ireland · hard

Nile miles.

Luxor, Egypt · easy

Sea miles.

Aqaba, Jordan · easy

Sea road miles.

Marseille, France · easy

Seafront miles.

Genoa, Italy · easy

River miles.

Terrebonne, USA · easy

Firm sand miles.

Croyde, England · easy

Fort miles.

Poznan, Poland · easy

Beach miles.

Praslin, Seychelles · easy

Forest miles.

Bansko, Bulgaria · moderate

River miles.

Riga, Latvia · easy

Fog, Lodhi Gardens, parathas after. November only.

Delhi, India · moderate

Forest-loop miles.

Denny Cove, USA · easy

Sandy miles on the Boy Scout Trail.

Joshua Tree, USA · hard

River miles.

Potes, Spain · easy

Prairie-loop miles.

Devils Tower, USA · easy

River miles.

Peso da Régua, Portugal · easy

Skyline start, desert highway miles, mall air-con finish.

Dubai, UAE · moderate

Merrion Square start, Crumlin roar at mile 20, pub Plan B.

Dublin, Ireland · hard

Harbor miles.

Dublin, Ireland · easy

Sand miles.

Corralejo, Spain · easy

Sand miles.

Inch, Ireland · easy

Brutal reps.

Pyla-sur-Mer, France · hard

Sand miles.

Merzouga, Morocco · moderate

Sky running.

Grindelwald, Switzerland · expert

Light festival edition: run through installations at night.

Eindhoven, Netherlands · moderate

Dawn miles on the new coastal road.

Lagos, Nigeria · moderate

Dawn miles on the pink sand.

Elafonisi, Greece · easy

Seafront miles.

Rhodes, Greece · easy

Bayfront miles.

San Diego, USA · easy

Valley miles.

Çamardı, Turkey · easy

Jacaranda miles.

Johannesburg, South Africa · easy

Waterfront miles.

Oban, Scotland · easy

Flat eagle-view miles.

Squamish, Canada · easy

Tundra race.

Hemavan, Sweden · hard

Tundra miles.

Abisko, Sweden · moderate

Park miles.

Toulouse, France · easy

Alpine singletrack past hamlets and chapels.

Zermatt, Switzerland · hard

1.5km swim, 40km ride, 10km run. Twelve weeks of honest training.

Anywhere · hard

Singletrack through the burn and blooms.

Stanley, USA · hard

Flat miles on the old road.

Geiranger, Norway · moderate

Forest miles.

Laax, Switzerland · moderate

River miles from Myrdal to the fjord.

Flåm, Norway · easy

Easy valley miles.

Imst, Austria · moderate