• Ultramarathon
  • 418 km
  • Balatonfüred
  • Open entry

NN Ultrabalaton Ultramarathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2027 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 1.0% versus flat · net elevation -1 m

Decision summary

NN Ultrabalaton Ultramarathon at a glance

Route ascent
3,407 m

Lower than 41% of comparable mapped races

Evidence depth
42 verified facts

Stored GPS route

Quick answers

What runners ask first

NN Ultrabalaton Ultramarathon route map

raceindex.org has a GPS course file for NN Ultrabalaton Ultramarathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the NN Ultrabalaton Ultramarathon?

The NN Ultrabalaton Ultramarathon route has 3,407 m of ascent, 3,408 m of descent and an estimated 1.0% grade-adjusted pace penalty versus a flat route.

Where does the NN Ultrabalaton Ultramarathon route go?

The NN Ultrabalaton Ultramarathon route starts at Balatonfüred (race centre at Annagora Aquapark / SPAR parking); since 2019 the event starts and finishes from Balatonfüred and finishes at Balatonfüred, Annagora Aquapark race centre. Underfoot, expect mostly the paved bicycle path encircling Lake Balaton (a Balatont korul olelo kerekparuton), with deviations inland on the northern shore through the Kali Basin (Kali-medence). It passes Lake Balaton, Balatonfüred, Tihany peninsula, Badacsony and Kali Basin (Kali-medence). Europe's longest single-loop, lake-circumference running race (Europa leghosszabb egykoros, tokerulo futoversenye).

Race character

Scenery

  • Lakeside
  • Coastal
  • Vineyard
  • Countryside
  • Parkland
  • Waterfront
  • Forest

Atmosphere

  • Festival
  • Community
  • Nighttime

Terrain

  • Road
  • Mixed
Elevation character
Gently Rolling
Technicality
Non Technical

Entry, logistics and records

Records and field

Men's course record
19:27:52 (Yiannis Kouros)
Women's course record
25:56:50 (Ildiko Wermescher)
Field size
More than 28,000 starters in 2025 (record); a participant limit is applied due to the finite capacity of the Lake Balaton bike path.

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
31 hours szintido (time limit) for individual solo runners in the most recent published cycle (historically quoted as 32 hours).
Qualification status
No qualifying standard; open entry with tiered (early Bird to standard) pricing and a participant limit.

Race day logistics

Race village
No

Access and course status

Start
Balatonfüred (race centre at Annagora Aquapark / SPAR parking); since 2019 the event starts and finishes from Balatonfüred.
Finish
Balatonfüred, Annagora Aquapark race centre.

Course facts

Course type
Loop
Surface
Mostly the paved bicycle path encircling Lake Balaton (a Balatont korul olelo kerekparuton), with deviations inland on the northern shore through the Kali Basin (Kali Medence).
Landmarks
Lake Balaton, Balatonfüred, Tihany peninsula, Badacsony, Kali Basin (Kali-medence), Keszthely, Fonyod, Siofok, Balatonalmadi
Notable features
  • Europe's longest single-loop, lake-circumference running race (Europa leghosszabb egykoros, tokerulo futoversenye)
  • the full ~209-211 km lap can be run solo as an ultramarathon or shared among relay teams of 2 to 13 runners, and may also be completed with a cyclist escort/support
  • A continuous circuit of the entire shoreline of Lake Balaton, the largest lake in Central Europe, passing dozens of lakeside resort towns
  • the northern shore detours inland through the volcanic-hill Kali Basin and Badacsony wine region rather than hugging the water

How hilly is the NN Ultrabalaton Ultramarathon?

11%73%11%
  • Steep descent 3%
  • Descent 11%
  • Flat 73%
  • Climb 11%
  • Steep climb 2%
Total ascent
3,407 m
Net elevation
−1 m
GAP factor
1.0%
Longest climb
3,140 m at 1.7%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

More race details

Is the NN Ultrabalaton Ultramarathon flat?

Its normalised GAP factor is 1.0% slower than a flat course, with about 3407 m of total ascent.