Ubstadt-Weiher, Germany · Saturday, February 27, 2027

Fixed Distance 50K

HaWei50 - 50 km Ultralauf rund um den Hardtsee - offener Lauf

150 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

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49.1630° N, 8.6317° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 7 hours 8:24 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 50K cut-offs we track. Measured against 1034 races of the same distance. Cut-off calculator →
Field size ~450 Large. Rarely out of sight of another runner.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, February

Daytime high 4°C
Night low -3°C
Rainfall Mostly dry
Daylight 10 h 50 m of light

Regional 2001-2020 average for February — NASA POWER, grid elevation 338 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2026 50km 450 Max Kirschbaum · 03:08:37 Nele Berg · 03:47:47
2025 50km 583 Tim-Niklas Schwippel · 02:53:05 Sylvie Müller · 03:20:58
2024 50km 256 Janosch Kowalczyk · 02:56:58 Katrin Ochs · 03:37:33
2023 50km 234 Raoul Jankowski · 02:53:19 Katrin Ochs · 03:42:51
2022 50km 205 Alexander Bock · 03:04:14 Katrin Ochs · 03:39:06

The field shrank 23% between 2025 (583) and 2026 (450). 25% of the 2026 field were women.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

  • Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 50 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 50 km, without the bounce.
  • GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8
All gear guides →

Overview

The HaWei50 is a 50 km road race around the Hardtsee in Ubstadt-Weiher, Germany, held annually in February since 2022. Its flat course consists of 5 km loops, 93% on asphalt or pavement, with the remaining 350 meters on a level gravel path.

With 450 finishers in its latest 2026 edition, this race attracts a larger field than 97% of its 2650 peer 50k races. The 7-hour time limit is tighter than 93% of 1009 comparable 50k events, requiring an average pace faster than 8.4 minutes per kilometer.

Similar races

Other 50K trail ultras, closest in distance first.