Thunderbunny 50K

Race completed

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.

39.3292° N, 82.1013° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 9 hours 10:48 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 71% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~72 Mid-sized. Company early, well spread out by halfway.

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, May

Daytime high 23°C

Night low 11°C

Rainfall Showers likely

Daylight 14 h 06 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 261 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	72	Will Koenig · 04:25:06	Molly Kash · 05:17:53
2025	50km	68	Tyler Callahan · 04:41:31	Caitlin Hughes · 05:17:58
2024	50km	85	Joshua Park · 03:44:48	Becca Holtkamp · 05:53:23
2023	50km	77	Uriah Yoder · 05:00:09	Alicia Bowling · 06:12:51
2022	50km	109	Caleb Bowen · 04:14:25	Clarissa Hitchon · 06:02:29
2019	50km	134	Alex Gold · 03:49:34	Molly Dengler · 05:14:00
2018	50km	85	Mike Cooper · 04:08:50	Crystal Shinosky · 05:57:54
2017	50km	82	Travis Zipfel · 04:06:59	Shannon Kilbane · 04:30:14
2016	50km	37	David Riddle · 03:56:50	Crystal Shinosky · 05:48:02

The field grew 6% between 2025 (68) and 2026 (72). 33% 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 Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 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

Tailwind