Races on bridges & viaducts

You run calmly along the road, then suddenly the ground begins to vibrate slightly under your strides, the horizon opens up as far as the eye can see, and your stomach tightens a little despite yourself. No other race setting plays so much with that feeling of controlled weightlessness.

In France, the most spectacular example remains the Eiffage Millau Viaduct Race, in Aveyron. The viaduct itself, completed in 2004 under the direction of British architect Norman Foster, is the highest bridge in the world, with pylons rising to 343 meters (higher than the Eiffel Tower). Crossing those 4.9 km suspended above the Tarn Valley, more than 270 meters up, gives you the very distinct impression of running between sky and earth.

Sensations change radically depending on the type of structure you’re crossing. A large suspension bridge or cable-stayed bridge brings that slight sway underfoot, almost imperceptible but very real with the number of runners. A disused railway viaduct, on the other hand, often keeps a more intimate atmosphere: that’s the case with the Passage du Viaduc, in Glénic in Creuse, whose century-old structure was used at the very start of the 20th century to transport goods, before rail traffic stopped in the 1950s. The same heritage vibe can be found with the Trail du viaduc, in Trégrom in Brittany, which combines crossing the structure with discovering the medieval Tonquédec Castle, half an hour’s drive away.

The conditions and particularities of these routes depend a lot on exposure to wind. A deck suspended high up catches gusts far stronger than at ground level, which can seriously slow your pace on the most exposed sections. Some organizers even recommend a windbreaker, even in the middle of summer, for this type of passage at altitude.

It’s impossible to talk about this theme without mentioning the Trail des Passerelles du Monteynard, on the program for UTMB® week in Treffort. Runners take the famous Himalayan footbridges over Lake Monteynard-Avignonet, two suspended pedestrian bridges opened to the public in the late 2010s, overlooking the lake’s turquoise waters several dozen meters below—enough to make even the boldest feel dizzy mid-effort. Still in France, the Pont-de-Vaux Half Marathon, in Ain, takes its name from the bridge that gave birth to the town, while the Veni Vici, in Nîmes, lets you follow the Roman aqueduct for 87 km all the way to the Pont du Gard, built around two thousand years ago and still standing without a single drop of mortar, the stones held together by their weight alone.

Internationally, the planet’s most iconic bridges turn certain marathons into true moving postcards. The London Marathon has its runners cross, at the 20th kilometer, Tower Bridge, a Victorian bascule bridge inaugurated in 1894, watching over the Thames for more than a century between the boroughs of Tower Hamlets and Southwark. In the United States, the San Francisco Marathon and the Golden Gate City Summer Run both cross the Golden Gate Bridge, completed in 1937, whose bright orange color was chosen to remain visible in the bay’s characteristic fog. Farther east, in New York, Brooklyn Bridge Park runs alongside the Brooklyn Bridge, the world’s first suspension bridge with steel cables, opened in 1883, with an unobstructed view of the Manhattan skyline from the other side of the East River.

In Northern Europe , the Björn Borg Helsinki Marathon crosses several of the bridges that connect the islands forming the heart of the Finnish capital, a city where getting between neighborhoods has always happened via footbridges rather than continuous land 🇫🇮.

The places you pass through often tell a story of engineering as much as geography. Some of these structures were built to open up an overly enclosed valley, like the Millau Viaduct designed to ease summer traffic toward Spain; others, like the Pont du Gard, to carry water over dozens of kilometers to an ancient city. In every case, the bridge or viaduct becomes the unavoidable passage point, often the most talked-about moment of the route once the finish line is crossed.

And as always, the effort deserves its little reward 🍽️. A platter of seafood near the San Francisco Bay 🇺🇸, fish and chips on the banks of the Thames 🇬🇧, a portion of Aveyron aligot after descending from the Millau viaduct in Millau 🇫🇷: every bridge has its specialty to extend the pleasure once you’ve put your legs to rest.

Want to stay up high, but this time by the water rather than above it? Head to lake & pond races 🛶, to swap the vertigo of a suspended deck for the calm of the shoreline.