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Stage 20 · 25 July 2026

Le Bourg-d'Oisans → Alpe d'Huez

170.9 kmMountain — summit finish

Queen stage of the race — the race's highest point (Col du Galibier, 2,642m) and a back-to-back finish atop Alpe d'Huez.

Forecast — subject to change as the stage approaches.

Forecast heat snapshot

-1.0°Cvs the 1974-2023 average at this location (ERA5): 17.9°C

25.5°Cpeak in the race window

Moderate low-risk · 21°C WBGT (est.)
25.5°CLe Bourg-d'Oisans13.2°CCol du Galibier16.9°CAlpe d'Huez

Schematic — real elevation, approximate route between known points, not survey-accurate. Fill colored by temperature.

+10°C26°C+42°C

Decade trend — deviation from the 50-year mean at this location

16.5°C'74–'83
18.2°C'84–'93
18.0°C'94–'03
17.8°C'04–'13
19.2°C'14–'23
-2°C50-yr avg+2°C

A day this hot (≥16.9°C, ERA5 at this location) occurred 72× in 1974-1983 vs. 115× in 2014-2023.The threshold here is a forecast, compared against the ERA5 historical record — forecast models and reanalysis can differ slightly even for the same date/location.

WBGT is an estimate — see methodology. Data as of 2026-07-22T06:01:15.304Z.

Climbs