Trail RunningUTMB Index Races

The C.I. 100k - Jersey

Trail Running covering 50 km to 100 km with up to 2,700 m D+ in Saint Catherine's (St Martîn, Jersey)

LocationSaint Catherine's, Saint-Martin, JerseyShow on map(49.2242° N, 2.0283° W)
Date & StatusDate to be announcedDate TBA
Elevation gainUp to +2,700 m

The C.I. 100k - Jersey is an endurance sporting event in Saint Catherine's, Saint-Martin, JE focused on Trail Running. It is part of UTMB Index Races. Key features include Nature & Off-Road, Mountain, High Altitude, Forest.

The race program comprises 4 competitions, including The C.I.100k (100 km, +2,700 m D+), Relais à 2 (100 km, +2,700 m D+), Relais à 3 (100 km, +2,700 m D+), and Trail 50 km (50 km, +5 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 (trailmonkeyjersey.com).

Official website
The C.I. 100k - Jersey in Saint Catherine's (Work: "Princetown (AU), Port Campbell National Park, Plants -- 2019 -- 0998", Photo: Dietmar Rabich, License: CC BY-SA 4.0, Source: Wikimedia Commons)
"Princetown (AU), Port Campbell National Park, Plants -- 2019 -- 0998" · Photo: Dietmar Rabich · Wikimedia CommonsCC BY-SA 4.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

Nature & Off-RoadMountainHigh AltitudeForestSeaside & CoastIsland

Races & distances (4)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
The C.I.100kTrail Running100 km+2,700 m8 m - 10 mLoop courseRoute & profile
Relais à 2Trail Running100 km+2,700 m5 m - 1,139 mLoop courseRoute & profile
Relais à 3Trail Running100 km+2,700 m8 m - 10 mLoop courseRoute & profile
Trail 50 kmTrail Running50 km+5 m8 m - 10 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
100 km
Elevation gain
+2,700 m D+
Elevation loss
-2,700 m D-
Altitude range
8 m - 10 m
Gradient (Avg / Max)
5.4 % / 9.7 %
Course format
Loop course
100 km+2,700 m D+
Start (S)Finish (F)
N20406080FS49.2222° N, 2.0107° W

Elevation profile & course telemetry

Altitude from 8 m to 10 m above sea level (+2,700 m D+, -2,700 m D-)

Peak: 8 m·at 0 km·Ø 5.4 %
8 m9 m9 m10 m0 km20 km40 km60 km80 km100 km8 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does The C.I. 100k - Jersey take place?

The C.I. 100k - Jersey takes place in Saint Catherine's, Saint-Martin, JE (start area at coordinates 49.2242° N, 2.0283° 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 The C.I. 100k - Jersey?

The race program comprises 4 competitions, including The C.I.100k (100 km, +2,700 m D+), Relais à 2 (100 km, +2,700 m D+), Relais à 3 (100 km, +2,700 m D+), and Trail 50 km (50 km, +5 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for The C.I. 100k - Jersey?

The main competition (The C.I.100k over 100 km) is designed as a loop course featuring +2,700 m of elevation gain and -2,700 m of elevation loss, ranging between 8 m and 10 m above sea level. An interactive course map with a verified 3D GPS track, kilometer markers, and GPX download is available in the course section on this page.

Where can I find registration and official race rules for The C.I. 100k - Jersey?

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