Holly Springs, NC, United States · Saturday, March 6, 2027

Fixed Distance 100 mi

Holly Springs Race Against the Sun - 100 Mile

184 days away

161 km Distance

not publishedn/a Climbing

8.1 est Grit · Hardcore

Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.

35.6513° N, 78.8336° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 12 hours 4:28 min/km average. Tight. You are racing the clock from the start. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 100 mi cut-offs we track. Measured against 29 races of the same distance. Cut-off calculator →

Typical conditions, March

Daytime high 16°C

Night low 4°C

Rainfall Showers likely

Daylight 11 h 34 m of light

Regional 2001-2020 average for March — NASA POWER, grid elevation 84 m. Not a forecast.

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

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 161 km of trail.

Trail Running Shoes 161 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 161 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 161 km, without the bounce.
Headlamps A 12 h limit puts you out there after dark.
Accessories Chafe and blisters end more 161 km races than fitness does.