Burning River 50 Mile Back Endurance Run 2026

25.07 – 26.07.2026Greenwater (United States)

Pacing, fueling and crew sheet for the course you pick

3’10910’200 m D+ ft D+

80.5 km50 mi50mi

At a glance

Burning River 50 Mile Back Endurance Run 2026 took place from Saturday 25 to Sunday 26 July 2026 in Greenwater (Ohio, United States). Three distances to choose from: 40.2, 80.5 and 160.9 km.

Longest course: 80.5 km with 1’798 m D+ (22 m per km: hilly terrain).

The 2027 edition is expected on Saturday 24 July 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

Set in the shadow of Tahoma (aka Mt. Rainier), this classic race offers amazing views of Washington's tallest mountain. The 50M race features 10,200ft of gain, ridge tops, northwest forest, and mostly…

From the organiser

4 courses

40.2km25mi
1’128 m D+3’701 ft D+
avg 3%
25K
No index
80.5km50mi
1’798 m D+5’899 ft D+
avg 2%
50K
No index
80.5km50mi
3’109 m D+10’200 ft D+
3’149 m D-10’331 ft D-
avg 4%
50mi
No index
GPX
160.9km100mi
100mi
No index

Course analysis

50mi80.5 km50 mi3’109 m D+10’200 ft D+

112effort kmⓘ80.5 km on the map · feels like 112 km50 mi on the map · feels like 112 km

D+: 3’109 m10’200 ft
D−: 3’149 m10’331 ft
Max alt.: 1’810 m5’938 ft
Steepest: 17%

Segments

Elevation profile: 50mi

636 m – 1’810 m2’087 ft – 5’938 ft

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Burning River 50 Mile Back Endurance Run, in one roadbook.

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Where to stay

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Editions