Last Soul final five
Completed 66 yards and remained among the final five athletes in the 170-runner field.
Source-checked athlete record · Updated Aug 17, 2026
Martin Stiller
GreenLoop winner and Last Soul final-five runner
Martin Stiller is a German backyard ultrarunner who won the 2026 GreenLoop Backyard with 51 yards and reached the final five at Last Soul Ultra with 66 yards.
🇩🇪 Germany
The record so far
Martin Stiller emerged as a leading German backyard runner in 2026. In May he won the inaugural GreenLoop Backyard in Nüdlingen after completing 51 yards, or roughly 342 kilometres, through unusually hot conditions.
Three months later he went deeper at Last Soul Ultra 2.0, completing 66 yards and 442.5 kilometres before not starting yard 67. The official timing feed placed him in the final five and marked a 15-yard improvement within three months.
Defining performances
Performance history
Related coverage
Runner directory
More athlete records
Mark DowdleBackyard specialist and 2026 Arrowhead 135 championHendrik BouryGerman backyard record holder and elite 48-hour runnerNorman Mascher-AspensjöBack-to-back German 24-hour championAyyoub El OsroutiLast Soul assist with front-of-pack road speedHarvey LewisTwo-time Big’s champion and Badwater 135 winnerPhil GoreBackyard world-record holder and 2025 Big’s champion