Ultra Running Hub Atlanta, GA, United States · Saturday, May 29, 2027
The Underground Circus 6h
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
DUV results for the 2026 edition (6h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, May
Regional 2001-2020 average for May — NASA POWER, grid elevation 268 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 6h | 3 | Paul Shepherd · 52.303 km | Maia Tountcheva · 49.181 km |
| 2025 | 6h | 2 | Mark Coughlin · 64.373 km | — |
The field grew 50% between 2025 (2) and 2026 (3). 67% of the 2026 field were women.
DUV results for the 2026 edition (6h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for this trail race.
- Trail Running Shoes Cushioning on trail that is still there in the last quarter.
- Race Nutrition Self-supported fuelling between aid stations.
- Hydration Vests Flask capacity without the bounce.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.