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Built on bad decisions in Boulder, CO.

Pirin Trail 33K Light

Basic Listing
  1. XCoSports
  2. 2027 Edition

A 33K mountain loop from Bansko into the Pirin high country and back

Explore the Course
Interactive map with aid stations, elevation & weather
DirectionsExplore
Registration OpensSeptember 14, 2026
DeadlineAugust 23, 2027
Register
All trail races in Bulgaria→
September 12, 2027
Sunday 9:00am GMT+3 start
Bansko
Bulgaria
33 km
Loop Course
1,678 m
Elevation Gain
Historical weather
48°F / 64°FLo/Hi Temp
46°F / 62°FFeels Like
41%Cloud Cover
0% (0.09 in)Precipitation
6 mphWind Speed
69%Humidity
7:03 AMSunrise
7:41 PMSunset
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Challenging
Some ultra experience recommended
Links
WebsiteInstagramFacebook
2016
Established

What Makes It Great

Route D of the Pirin Ultra weekend is a 33 km loop that starts and finishes on the Central Square in Bansko. It climbs about 870 m in the first 10 km to the Banderitsa aid station, then crosses into the Demyanitsa valley for a second aid station at the Demyanitsa hut before a long descent back to town. The total is about 1,600 m of climbing and descent with an 8-hour cutoff. It is the gentlest of the mountain distances at Pirin Ultra, but it still needs mountain insurance and a full kit of mandatory gear.

Difficulty

Intermediate
4/10

Some ultra experience recommended

Steep Climbing
Variable Weather

Race Highlights

1,600 m of climbing
About 870 m of it comes in the first 10 km to Banderitsa
Starts and ends in Bansko
Loop from the Central Square of Bulgaria's best-known mountain town
New for 2027
Route D joins the Pirin Ultra lineup for the 2027 edition

Pirin Trail 33K Light

Bansko, BulgariaSeptember 12, 2027

September 12, 2027

Pirin Trail 33K Light is a loop trail race in Bansko, Bulgaria, held on September 12, 2027. The course covers 33 km, climbs 1,678 m, and has an 8h cutoff.

Course map for Pirin Trail 33K Light
DistDistance33 km
GainElevation Gain1,678 m
LimitCutoff8 h
Steep ClimbingVariable Weather

Entry Timeline

Registration OpensSeptember 14, 2026
Registration DeadlineAugust 23, 2027
Race DaySeptember 12, 2027

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.
33 km
Distance
Loop
Route
8h
Cutoff Time
1,722 m
Average Elevation
1,678 m
Total Ascent
1,678 m
Total Descent
2,585 m
High Point
930 m
Low Point
Explore Course
Course map for Pirin Trail 33K Light
Launch Course Explorer

Aid Stations & Cutoffs

LocationkmElevationCutoffCrew
Start
Start
0.0930 m—
Banderitsa
Aid Station
10.01,771 m—
Demyanitsa Hut
Aid Station
20.51,985 m—
Finish
Finish
33.0947 m
8h5:00 PM

Cutoffs and access rules come from the race’s published information and can change. Check the official race site before planning around them.

Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.

Crew Access Points

Pacer Rules

No Pacers Allowed

Crew Rules

  • External assistance is permitted only within 100 meters before or after the official aid stations.
Daylight
12h 38m
7:03 AM7:41 PM
64°F / 48°F
Feels like 62°F / 46°F
Temperature Hi/Lo
0% (0.09 in)
Precipitation
6 mph
Wind
69%
Humidity
41%
Cloud Cover
Based on historical averages for September 13

Gear Rules

Trekking poles allowed

Required Gear

  • Waterproof jacket
  • One light source (headlamp/flashlight)
  • Bottles or bladder with at least 1 liter capacity
  • Emergency insulating foil
  • Hat or cap
  • Compass
  • Mobile phone
  • Whistle
  • First aid kit (Bandage, gauze, tape, analgesic, antihistamine tablets, disinfectant)
  • Race track loaded on a GPS device
  • Trail shoes with suitable lugs (Road shoes or worn-out lugs are not allowed to start)

Recommended Gear

  • GPS watch or device with race track and/or area map
  • Sunscreen and vaseline
  • Sunglasses
  • Trekking poles
  • Spare batteries for lights
  • Gloves
  • Cash
  • Knife
  • Animal repellent spray

Race reports from other Pirin Ultra events

Race Report Pirin Ultra: Hallucinations During the Hardest 100-Miler in EuropePirin Ultra 160K
By Sam Bracke • 2023
A Write-up on the Pirin Ultra 100 (Hardrock Qualifier)Pirin Ultra 160K
By Jason Doedderlein • 2024

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Register•September 12, 2027