Kankakee, IL, United States · Saturday, September 19, 2026

Timed 8 hours

Limestone Rocks! 8 Hour Race

3 days to go

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.

41.1200° N, 87.8611° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~12 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (8h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 25°C

Night low 13°C

Rainfall Mostly dry

Daylight 12 h 21 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 199 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

Gear for this race

Chosen for this trail race.

Trail Running ShoesCushioning on trail that is still there in the last quarter.
Race NutritionSelf-supported fuelling between aid stations.
Hydration VestsFlask capacity without the bounce.
GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.

Salomon

S/Lab Ultra 3

Premium ultra trail shoe with Advanced Chassis for stability on technical terrain.

$200 ★★★★★ 4.8

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5

All gear guides →

Course Notes

A 1.65 mile loop course at Limestone Park.Mostly crushed limestone and partly asphalt, is about half flat and half hilly, one short-but-steep downhill and one short-but-steep uphill, a couple of other small hills. Maximum elevation change 50 feet.

Similar races

Other trail ultras of the same format.