German backyard record: 100 yards
Reached 100 completed yards at Big Dog’s Backyard Individual World Championship in Tennessee.
Source-checked athlete record · Updated Aug 17, 2026
Hendrik Boury
German backyard record holder and elite 48-hour runner
Hendrik Boury is the German backyard record holder with 100 yards and has recorded 363.862 km over 48 hours.
🇩🇪 GermanyM35–39
The record so far
Hendrik Boury is a German ultrarunner whose results span backyard, 12-hour, 48-hour, and 100-mile trail events. His deepest published backyard performance is 100 yards at the 2025 Big Dog’s Backyard Individual World Championship, listed by the event as the German national record.
Boury’s record is not limited to the backyard format. At the 2025 GOMU 48-Hour World Championship in Poland, DUV records 363.862 km, with a 201.664 km split at 24 hours. He also won the 2024 Flitch Way 12-hour race with 132.5 km.
His route to the German record included 82 yards at Suffolk Backyard Ultra in 2024 and victories at Germany’s 2022 and 2024 World Team Championship venues. Those results establish a consistent record across both national and international backyard fields.
Defining performances
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| Big Dog’s Backyard Individual World ChampionshipBackyard ultra | 100 yards | German national record | View ↗ | |
| GOMU 48-Hour World Championship48-hour raceDUV also records a 201.664 km split at 24 hours. | 363.862 km | 6th man | View ↗ | |
| Backyard Ultra World Team Championship — GermanyBackyard ultra | 49 yards | Winner | View ↗ | |
| Suffolk Backyard UltraBackyard ultra | 82 yards | 3rd overall | View ↗ | |
| Flitch Way 12 Hour12-hour race | 132.500 km | Winner | View ↗ | |
| Big Dog’s Backyard UltraBackyard ultraThe published German recap reports a timing-chip return to the start as the reason. | 60 yards | Disqualified | View ↗ | |
| Backyard Ultra World Team Championship — GermanyBackyard ultra | 46 yards | Winner | View ↗ |
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