Readers recommend organised challenges from the Tour de France route to Kilimanjaro

Guardian Travel readers shared favourite organised challenges that combine demanding terrain, strong support and memorable local culture, from long-distance cycling and marathons to swims, treks and charity abseils. Cycle the Tour de France route: Riders praised Ride Le Loop for logistics, encouragement and team spirit on a full-tour ride.

The operator also offers individual stages. The next scheduled trip runs from 27 June to 20 July 2026. Swiss Peaks Trail: For quieter Alpine trails, readers recommended the Swiss Peaks Trail, with distances from 10km to 643km. One reader chose the 100km route around Lake Geneva and described remote peaks, scree slopes, turquoise tarns and aid stations serving raclette.

The 2026 series runs from 25 August to 6 September. Istanbul Marathon: A unique continental run, the race starts in Asia and finishes in Europe, crossing the 15 July Martyrs Bridge and passing sights such as Dolmabahçe Palace, the Golden Horn and the Blue Mosque. Race day includes free public transport for entrants; the 2026 event is on 1 November.

Coppa Byron swim, Italy: The annual swim from Portovenere to Lerici commemorates Lord Byron’s historic crossing. The 8km event, typically held on a Sunday at the end of July or early August, is escorted by boats; entry is about €20 and includes a cap, water and a completion certificate.

Key Topics

Culture, United States, Sports, Cycling, Running, Swimming, Trekking