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MULTIDAYRUNNING
48-Hour

Sommer 24+48 Stunden Lauf Freudenstadt-Grüntal

A summer timed race in the Black Forest, adding a first 48-hour edition alongside the third Sommer24hLauf in 2027.

Date
Aug 27-29, 2027
Location
Freudenstadt-Grüntal, Germany
Distance
48 hours / 24 hours
Terrain
Road
Plan this race Official website

Event dates, entry rules, qualification standards, and course details can change. Always verify current information on the official event website before registering or booking travel.

Event Overview

Listed edition overview
DateAug 27-29, 2027
LocationFreudenstadt-Grüntal, Germany
Format48-Hour, 24-Hour
TerrainRoad
RegionEurope
Distance / duration48 hours / 24 hours
Course modelLoop
Edition noteThe organizer confirms August 27–29, 2027, with the 24-hour race starting August 28.
Elevation gainApproximately 70 m per lap.
Cutoff48 or 24 hours; the published event ends August 29.
StartNoon Friday, August 27 (48h); noon Saturday, August 28 (24h).
HighlightsFirst 48-Hour Edition, Black Forest Loop

Course & Terrain

3.6 km loop; only complete laps count, with no partial-lap measurement.

The organizer-linked Komoot route is predominantly asphalt and other paving, with a small unknown-surface section. It includes paths, streets and roads; its highest and lowest points are 660 m and 590 m.

Entry & Logistics

Listed qualification and support details
Registration and feesCheck the official event website for current availability, deadlines, prices, taxes, and refund terms.
QualificationRegister by email to thomas@neckarlauf.com. Same-day and later starts are permitted. Fees: €79 for 48h or €45 for 24h, payable before starting.
Support modelBuffet, hot food and drinks; bring your own cup.
Logistics noteThomas Dornburg organizes the race at Haldenstraße 10, 72250 Freudenstadt-Grüntal. Nearby station: Grüntal/Wittlensweiler. Overnight stays, including after the race, are included; bring a sleeping bag and mat.

Why This Race Matters

The organizer’s 2027 calendar introduces a 48-hour option to the established summer 24-hour event in Freudenstadt-Grüntal. It is a separate race from June’s Sixdaysrun.

Preparing for a Race Like Sommer 24+48 Stunden Lauf Freudenstadt-Grüntal

The 48-hour race guide covers the format as a whole. These guides go deeper:

Planning Notes

  • Start conservatively and use flexible process checkpoints for effort, walking, food, fluid, alertness, and symptoms instead of forcing one hourly distance target.
  • Prepare several rest options before race week. Stop for sleep or assessment if alertness, coordination, or safe decision-making deteriorates.
  • Repetitive surfaces can expose fit, friction, and loading problems. Check in when symptoms or conditions change, and use only footwear already tested for the course.
  • The directory does not mark this as having simpler logistics. Confirm qualification, terrain, support, registration, medical, and withdrawal requirements before planning around it.
  • Parts of the loop are unlit; a headlamp is recommended.
  • Follow the marked route and traffic rules. Animals are prohibited; notify the organizer when withdrawing. Entries are non-transferable.

Verification & Sources

Verification scope: the listed edition's date, location, format, and available logistics were checked against the event-specific official sources below during the directory review dated November 2, 2026. Organizers can revise details after review.

  1. Organizer’s calendar — August 27–29, 2027 — https://neckarlauf.com/
  2. Official summer 24h and 48h announcement, entry and services — https://neckarlauf.com/sommer24hlauf.html
  3. Organizer-linked loop and surface profile — https://www.komoot.com/tour/1515588651?ref=wtd&share_token=aysdo0BAzKCB23d2rTea5TuOhY3CfCnZt1nmesFqJJu7tV2bCB
  4. General participation rules — https://neckarlauf.com/ergenislisten.html
  5. Organizer imprint — https://neckarlauf.com/impressum.html
  6. Multiday Running event directory review scope: November 2, 2026.