DateExpected
Mid June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
BTC City, Ljubljana
Ljubljana (BTC City), Slovenia
Countdown
June
Not a bunch ride at all: a short, hard time trial out to Domžale and back, with roads closed to traffic and you racing the clock alone.
Key facts
01Riders set off one at a time, 60 seconds apart.
02Entry fee and a recreational licence required.
03National-championship categories need a valid KZS cycling licence.
Create a free training plan for the Maraton Franja BTC City 21 km
7-day free trial, no card required
The course
The route
Ljubljana (BTC City)
Distance21km
StartElevation
0 kmDrag map to rotate21.6 km
Weather
Mid-June, Ljubljana (BTC City)
23°CTypical high
13°CTypical low
4°CColdest in 20 years
51%Days with rain
Highs around 23°C and lows around 13°C, but it has dropped to 4°C. Rain on 51% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Maraton Franja BTC City 21 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Maraton Franja BTC City 21 km plan targets
Typical sessions
21 km
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Maraton Franja BTC City 21 km plan.
7-day free trial, no card required.
Other races at Maraton Franja BTC City
More events in June in Slovenia
Hg Trail IdrijaExpected Early June 2027 · Idrija→LaufarExpected Early June 2027 · Idrija→Nočni tek MedvodeExpected Early June 2027 · Preska→Tek na RatitovecExpected Early June 2027 · Železniki→Maraton treh občinExpected Early June 2027 · Grosuplje→Ljubljana Dragon MTB ChallengeSat, 12 Jun 2027 · Ljubljana→
