Events/4Islands MTB (Epic Series)

4Islands MTB (Epic Series)

MTB
Date
Thu, 15 Apr 2027
Venue
Kvarner islands (Krk → Lošinj), Croatia
Countdown
April
Distance
300km
Total climb
6,500m

Five days, four islands, hopping by ferry across the Kvarner archipelago in Croatia. You start by the sea on Krk and finish at sea level on Lošinj, with every stage adding to a cumulative General Classification.

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The course

The route

Roughly 300km and 6,500m of climbing over five timed stages, island-hopping from Krk through Cres and Unije to the finish on Lošinj. It includes a queen stage on Cres and an individual time trial on Unije, with ferry transfers linking the islands.

Weather

Mid-April, Kvarner islands (Krk → Lošinj)

16°CTypical high
11°CTypical low
3°CColdest in 20 years
32%Days with rain

Highs around 16°C and lows around 11°C, but it has dropped to 3°C. Rain on 32% of days.

NASA POWER data, 2006-2025, the week either side of race day
Training

Training for the 4Islands MTB (Epic Series)

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.

GarminWahooPolarHammerheadIntervals.icu
Five days, four islands
Typical sessions
Consecutive off-road stages, so you race on tired legs day after day
Sharp Adriatic karst and roots that punish thin tyres and tentative lines
Coastal climbs that rear up from sea level, over and over
One flat-out individual time trial on Unije, a different effort to the rest
What your weeks look like
Typical sessions
Long off-road rides of 3 to 4.5 hours on trail, building queen-stage durability and fuelling
Back-to-back MTB weekends: a long Saturday, then a second ride Sunday on tired legs
Off-road TT efforts of 30 to 45 minutes, even and sustained, rehearsing Unije
Sharp-rock descending and flowing singletrack laps to free up time and save your tyres
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
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