The event was created by Udo Menzel, a multiple finisher of ultra triathlons, and the "Laufgemeinschaft Emsdetten". The first event took place in 2013. The event is held every 2 years. (last update May 2023)
| Facts | Swim | Bike | Run |
|---|---|---|---|
| length loop/lane | pool / 50m | 4,41233km | 1,69194km |
| number of loops | 152 | 82 | 50 |
| full distance | 7,6km | 361,81km | 84,597km |
| official measured | yes | yes | yes |
| gradient | - | ± 820m | negligible |
| ground | - | asphalt | asphalt / slabs |
| closed for traffic | - | yes | yes |
| lights needed | - | yes | no* |
| time limit | 4h | 19,5h (swim+bike) | 34h |
*The running track is lighted at night, but the organizer recommends wearing a headlamp.
| Statistics | Women | Men | Total |
|---|---|---|---|
| race record | 25:28:55h (M. Wittler) | 19:42:57h (R. Ratasepp) | - |
| swim record | 2:14:10h (M. Schreiber) | 1:47:30h (R. Karas) | - |
| bike record +T1 | 13:20:29h (M. Wittler) | 10:33:45h (R. Karas) | - |
| run record +T2 | 9:32:12h (M. Wittler) | 6:47:50h (R. Ratasepp) | - |
| participations | 14 | 155 | 170 |
| finished particip. | 8 | 133 | 141 |
| diff. competitors | 13 | 122 | 135 |
| different finisher | 7 | 108 | 115 |