Skip to content
kliva
TrailBulgariaSliven

Rebel Trails Marathon 2026

17.10.2026Sliven (Bulgaria)
Build your race plan →

Pacing, fueling and crew sheet for the course you pick

Official siteWrong info?

2’5008’202 m D+ ft D+

42 km26.1 miRebel Trails Marathon Skylongest of 3 courses

At a glance

Rebel Trails Marathon 2026 took place on Saturday 17 October 2026 in Sliven (Bulgaria). Three distances to choose from: 13, 21.6 and 42 km.

Longest course: Rebel Trails Marathon Sky, 42 km with 2’500 m D+ (60 m per km: very steep terrain).

The 2027 edition is expected on Saturday 16 October 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

3 courses

  1. 13km8.1mi

    1’120 m D+3’675 ft D+

    888 m D-2’913 ft D-

    avg 9%

    Rebel Trails Quarter Marathon

    17.10.

    No index
    GPX

  2. 21.6km13.4mi

    1’700 m D+5’577 ft D+

    1’451 m D-4’760 ft D-

    avg 8%

    Rebel Trails Half Marathon

    17.10.

    UTMB Index 20K
    GPX

  3. 42km26.1mi

    2’500 m D+8’202 ft D+

    avg 6%

    Rebel Trails Marathon Sky

    17.10.

    UTMB Index 50K

External route

13 km8.1 mi1’120 m D+3’675 ft D+

External content: map and profile provided by the third-party service.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Rebel Trails Marathon, in one roadbook.

Build your race plan →

Start

Sliven (Bulgaria)

Skip the map

Where to stay

Find a place to stay near Sliven for the race.

We may earn a commission if you book through this map, at no extra cost to you.

Spotted wrong info on this page? Tell us and we'll review it. Report it

← Back to calendar
Editions