Trail Rivières et Châteaux

Race completed

45 km Distance

550 m Climbing

3.1 Grit · Challenging

43.5518° N, 1.5341° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 12 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 6 hours 8:00 min/km average. Comfortable. Room to walk the climbs and stop at aid. Among the tightest Marathon cut-offs we track. Measured against 43 races of the same distance. Cut-off calculator →

Field size ~44 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (45km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 26°C

Night low 14°C

Rainfall Mostly dry

Daylight 15 h 24 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 213 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 45 km of trail with 550 m of ascent.

Trail Running Shoes45 km of trail — cushioning that is still there in the last quarter.
Race Nutrition45 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 45 km, without the bounce.
GPS WatchesBattery life first — a 45 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Maurten