Sisiyou Out Back Trail Run

Trail Running covering 8 km to 100 km with up to 3,200 m D+ in Ashland (Oregon, United States)

Location

Ashland, Oregon, United StatesShow on map(42.1946° N, 122.7095° W)

Date & StatusDate to be announcedDate TBA

First edition1999

Elevation gainUp to +3,200 m

Sisiyou Out Back Trail Run is an endurance sporting event in Ashland, Oregon, US focused on Trail Running. First held in 1999, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races. Key features include Mountain, Forest, Multi-Day, High Altitude.

The race program comprises 4 competitions, including 100K (100 km, +3,200 m D+), 50K (50 km, +1,493 m D+), 15K (15 km, +570 m D+), and 8K (8 km, +304 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (siskiyououtback.com).

Official website

Sisiyou Out Back Trail Run in Ashland (Work: "Alpine Ridge Trail Top Rocky Mountain NP 2024", Photo: Larry D. Moore, License: CC BY 4.0, Source: Wikimedia Commons) — "Alpine Ridge Trail Top Rocky Mountain NP 2024" · Photo: **Larry D. Moore** · Wikimedia CommonsCC BY 4.0
Cropped to 16:9 (960 × 540 px), WebP

Event characteristics

Mountain Forest Multi-Day High Altitude Nature & Off-Road

Races & distances (4)

Competition	Discipline	Distance	Elevation gain	Altitude range	Course type	Course & profile
100K	Trail Running	100 km	+3,200 m	1,150 m - 2,494 m	Loop course	Route & profile
50K	Trail Running	50 km	+1,493 m	1,153 m - 1,780 m	Loop course	Route & profile
15K	Trail Running	15 km	+570 m	1,156 m - 1,395 m	Loop course	Route & profile
8K	Trail Running	8 km	+304 m	1,159 m - 1,287 m	Loop course	Route & profile

Course & Elevation Telemetry

Course route & map

Distance

100 km

Elevation gain

+3,200 m D+

Elevation loss

-3,200 m D-

Altitude range

1,150 m - 2,494 m

Gradient (Avg / Max)

6.4 % / 11.5 %

Course format

Loop course

100 km+3,200 m D+Peak 2,494 m

Start (S)Finish (F)DownhillFlatClimbSteep

Elevation profile & course telemetry

Altitude from 1,150 m to 2,494 m above sea level (+3,200 m D+, -3,200 m D-)

Peak: 2,494 m·at 27.2 km·Ø 6.4 %

Event Information & Answers

Frequently asked questions (FAQ)

When and where does Sisiyou Out Back Trail Run take place?

Sisiyou Out Back Trail Run takes place in Ashland, Oregon, US (start area at coordinates 42.1946° N, 122.7095° W). The exact date for the next edition is currently open and will be announced by the organizer.

What races and distances are offered at Sisiyou Out Back Trail Run?

The race program comprises 4 competitions, including 100K (100 km, +3,200 m D+), 50K (50 km, +1,493 m D+), 15K (15 km, +570 m D+), and 8K (8 km, +304 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for Sisiyou Out Back Trail Run?

The main competition (100K over 100 km) is designed as a loop course featuring +3,200 m of elevation gain and -3,200 m of elevation loss, ranging between 1,150 m and 2,494 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Sisiyou Out Back Trail Run?

Official race regulations, course details, and registration information are provided on the organizer's website (siskiyououtback.com).