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100 mi100KLottery open

Angeles Crest 100 Mile Endurance Run

Altadena, CaliforniaField of 210
100K entry
$325
Aid stations
16
Days to enter
4
Enter the lotteryac100.com

At a glance

Date
Oct 2, 2027
Location
Altadena, California
Distances
100 mi, 100K
Elevation gain
20,000 ft
Aid stations
16, 9 with crew access
Registration
Lottery open until Oct 26, 2026, via ultrasignup.com
Lottery
Oct 12–26, 2026

Listed from UltraSignup. Checked Oct 19, 2026.

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About this race

One of the original five 100-mile races, a point-to-point course between Wrightwood and Altadena, with elevations ranging from 1,135 to 9,300 feet through the San Gabriel mountains.

Key dates

Registration opens

Oct 12, 2026

Lottery opens

Oct 12, 2026

Registration closes

Oct 26, 2026

4d

Lottery closes

Oct 26, 2026

4d

Race day

Oct 2, 2027

345d

Pricing

100 Miler

Registration

$440

100K

After Mar 31

$325

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Registration openings and major changes, like a new date or a cancellation.

Aid stations

16

Entry transfers

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Tune-up races

  • Harding Hustle

    Jul 24, 2027Modjeska Canyon, CA50K, 30K +1

    50K, 10 weeks before race day, 45 mi away

Straight-line distance

Similar races

  • Island View - Endurance Run

    Oct 24Goleta, CA100 mi, 100K +1

    Also 100 miles, 113 mi from Angeles Crest 100 Mile Endurance Run, registration open

  • Leona Divide

    Apr 17, 2027Lake Hughes, CA100 mi, 100K +3

    Also 100 miles, 36 mi from Angeles Crest 100 Mile Endurance Run

  • The Bear

    Sep 24, 2027Logan, UT100 mi

    Also 100 miles, about 200 ft of climbing per mile, like Angeles Crest 100 Mile Endurance Run, lottery opens Nov 15

Straight-line distance

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Race planning

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