2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
net elevation -504 m
Decision summary
Lower than 39% of comparable mapped races
30:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Javelina Jundred Ultramarathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Javelina Jundred Ultramarathon route has 3,626 m of ascent and 4,131 m of descent.
The Javelina Jundred Ultramarathon route starts at Four Peaks Staging Area (Javelina Jeadquarters), McDowell Mountain Regional Park, Fountain Hills / Fort McDowell, AZ and finishes at Four Peaks Staging Area (Javelina Jeadquarters), McDowell Mountain Regional Park. Underfoot, expect sonoran Desert single track: hard-packed granite, rocky sections, sand and dry wash beds; no shade. It passes Pemberton Trail, Escondido Trail, Shallmo Trail, Cinch Trail and Coyote Camp. Billed as the original costumed 100-mile trail run party, with a Halloween / 'Jalloween' theme and best-costume awards.
4. Festival atmosphere at Javelina Jeadquarters.
The stored route produces 3,626 m of ascent, while a source states 2,400 m. GPS sampling and elevation models can produce different totals, so both are labelled rather than combined.