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Trail · 147K

TDS (Sur les Traces des Ducs de Savoie)

· starts 7:00 AM
Courmayeur, Italy

WSER Qualifier
The race's site ↗Course map ↗

TDS (Sur les Traces des Ducs de Savoie) is a trail race of 91 miles (147 km) in Courmayeur, Italy. The next edition is in August 2027; its day hasn't been announced. The race gives its climbing as 29,856 ft (9,100 m); measured from its course file, it's 31,010 ft (9,452 m). It starts at 4,012 ft (1,223 m) above sea level. Its high point is 8,486 ft (2,586 m). The course runs point to point. It's a Western States 100 qualifier. Registration is open to all; registration opened on January 13, 2026. The field is about 1,500 runners.

There are 8 other upcoming 100-mile races in Italy. TDS (Sur les Traces des Ducs de Savoie) climbs about 327 ft a mile (62 m per km), steeper than 90% of the 142 100-mile races listed with their climbing.

92miDistance
29,856ftClimbing
1,500runnersField
75°Flow 51°FTypical race day

The course

92miMeasured distance
—Aid stations
31,010ftMeasured climb
31,624ftDescent
8,486ftHigh point
2,366ftLow point

Questions about TDS (Sur les Traces des Ducs de Savoie)

When is TDS (Sur les Traces des Ducs de Savoie) 2027?

TDS (Sur les Traces des Ducs de Savoie) 2027 is in August 2027; its day hasn't been announced yet.

Where is TDS (Sur les Traces des Ducs de Savoie)?

TDS (Sur les Traces des Ducs de Savoie) is held in Courmayeur, Italy.

How long is TDS (Sur les Traces des Ducs de Savoie)?

TDS (Sur les Traces des Ducs de Savoie) is 91 miles (147 km); its course file measures 92 miles.

How much elevation gain does TDS (Sur les Traces des Ducs de Savoie) have?

TDS (Sur les Traces des Ducs de Savoie) has 29,856 ft (9,100 m) of elevation gain, as the race states it.

Is TDS (Sur les Traces des Ducs de Savoie) a Western States qualifier?

Yes. TDS (Sur les Traces des Ducs de Savoie) is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.

How do you get into TDS (Sur les Traces des Ducs de Savoie)?

TDS (Sur les Traces des Ducs de Savoie) has open registration. Registration opened on January 13, 2026.

What is the weather usually like at TDS (Sur les Traces des Ducs de Savoie)?

Around TDS (Sur les Traces des Ducs de Savoie)'s date, the day's high is typically about 75°F (24°C) and the low about 51°F (11°C), averaged over recent years.

Where can I see the TDS (Sur les Traces des Ducs de Savoie) elevation profile and aid station cutoffs?

runfarwhere has TDS (Sur les Traces des Ducs de Savoie)'s course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.

How hilly is TDS (Sur les Traces des Ducs de Savoie)?

TDS (Sur les Traces des Ducs de Savoie) climbs about 327 ft a mile (62 m per km), steeper than 90% of the 142 100-mile races listed with their climbing.

What other 100-mile races are there in Italy?

Other upcoming 100-mile races in Italy include Chianti Castles by UTMB (March 20, 2027), Garda Trentino Trail (May 2027, date TBD) and Lavaredo Ultra Trail by UTMB (June 25, 2027).

Other races in Italy

Every race in Italy

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