Corona, CA, United States · Friday, April 16, 2027

Timed 12 hours

RUN4Kids 12 Hour Race

198 days away

not publishedn/a Distance

not publishedn/a Climbing

not publishedn/a Grit

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.

33.8753° N, 117.5664° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~8 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (12h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 22°C

Night low 8°C

Rainfall Dry — rain unlikely

Daylight 13 h 02 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 628 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	12h	8	Ty-Rhone Norris · 75.703 km	Chloe Ang · 72.098 km
2025	12h	4	James Thierbach · 82.881 km	Sandy Rodriguez · 81.111 km
2024	12h	8	Christophe Stahl · 88.352 km	Ann Deren-Lewis · 82.559 km
2023	12h	10	Michael Bailey · 100.584 km	Selina Nordberg · 83.685 km
2022	12h	9	Atanacio de Jesus · 86.904 km	Anne Marie Wotkyns · 50.694 km
2019	12h	10	Zach Bitter · 153.692 km	Jamey Bettencourt · 60.350 km
2018	12h	15	Oscar Fabian Hernandez · 104.607 km	Violeta Heisler · 82.881 km
2014	12h	6	Conrado Ramirez · 82.559 km	Ivory Molina · 85.938 km

The field grew 100% between 2025 (4) and 2026 (8). 50% of the 2026 field were women.

DUV results for the 2026 edition (12h) — ranked runners 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 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.
Headlamps A 12 h limit puts you out there after dark.
GPS Watches Battery life first — an ultra outlasts most full-GPS modes.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

inov-8