Cahuilla Indian Reservation, Anza, California · October · 23.9 mi

Foot care for Cahuilla Rez Ultra 100

Cahuilla Rez Ultra 100 cooks feet. Heat, sweat, and soft skin.

Course intelTrain for itTaping patterns

Threat matrix

What Cahuilla Rez Ultra 100 does to feet.

Every line below is computed from published course data or written by PR Run and labeled as such.

  • Heat and sweatOctober highs reach 85 degrees F. Sweat saturates socks, skin softens, friction climbs.Course data
  • Hours on feet23.9 miles inside a 32 hour limit. Every hour adds shear, swelling, and sock saturation.Course data
  • Downhill shearMile 9 to 11.5 drops 800 ft at 6.2 percent average grade. Toes hit the front of the shoe, heels lift.Course data
  • Night hoursA 32 hour window means hours of taping in the dark with cold hands. Practice it that way.Course data

Downhill shear

Where gravity works on your toes.

Sustained descents pulled straight from the elevation profile. Pretape before these, not after.

DOWNHILL SHEAR3,000 FT OF LOSS
800 FT DOWNMI 9 TO 12 · 6.2%

The schedule

Where you sit down and take the shoes off.

Set your goal time. The clocks, the stop plan, and the kit all move together.

FOOT STOP SCHEDULE32H CUTOFF
CAHUILLA INDIAN RESERVATIONMI 0 · MONITORCALIFORNIAMI 5 · CHECKCAHUILLA REZ ULTRA 100 MILE 10MI 10 · SIT DOWNCAHUILLA REZ ULTRA 100 MILE 14MI 14 · SIT DOWNCAHUILLA REZ ULTRA 100 MILE 19MI 19 · CHECKFINISH ANZAMI 24 · MONITOR
FOOT STOPS26H GOAL

Cutoff is 32 hours. Move the goal and the clocks move with it.

  • Cahuilla Indian ReservationMI 006:00

    Eyes only

    Named station on course.

    • Eyes only. Feel for hot spots through the sock and keep moving.

    0.0 mi since last stop

  • CaliforniaMI 510:32

    Socks and a look

    4.8 mi since the last stop, cutoff 6.4 h.

    • Socks off. Check the pressure points and swap if the pair is wet.

    4.8 mi since last stop · cutoff 6.4h

  • Cahuilla Rez Ultra 100 mile 10MI 1017:23

    Shoes off

    4.8 mi since the last stop, 200 ft of descent into it, cutoff 12.8 h.

    • Shoes and socks off. Pat completely dry, fresh socks, powder if the last pair was soaked.

    4.8 mi since last stop · 200 ft down into it · cutoff 12.8h

  • Cahuilla Rez Ultra 100 mile 14MI 1422:26

    Shoes off

    4.7 mi since the last stop, 600 ft of descent into it, cutoff 19.2 h.

    • Shoes and socks off. Pat completely dry, fresh socks, powder if the last pair was soaked.

    4.7 mi since last stop · 600 ft down into it · cutoff 19.2h

  • Cahuilla Rez Ultra 100 mile 19MI 1903:29

    Socks and a look

    4.8 mi since the last stop, cutoff 25.6 h, late race, feet already soft.

    • Socks off. Check the pressure points and swap if the pair is wet.

    4.8 mi since last stop · cutoff 25.6h

  • Finish AnzaMI 2408:00

    Eyes only

    4.8 mi since the last stop, cutoff 32 h, late race, feet already soft.

    • Eyes only. Feel for hot spots through the sock and keep moving.

    4.8 mi since last stop · cutoff 32h

KIT BUILDER7 ITEMS

Checked on top of the essentials for Cahuilla Rez Ultra 100.

Vest / pack

Crew bag

Drop bag

Kit deltas

What Cahuilla Rez Ultra 100 adds to the standard kit.

  • Powder and a moisture barrierSweat is the friction multiplier on this course.
  • Pretape for toes and heelsLong descents load the front of the shoe and lift the heel.
  • Light you can tape byTaping in the dark with cold hands is a different skill than taping at your kitchen table.

Shoes

What survives this course.

Matched on terrain, technicality, and distance. Fit still beats every spec, so try them on a long run first.

Run the shoe finder on your own numbers

Crew

What your crew needs on paper.

Two plates. On the left, the race-specific notes that never make it into the standard script. On the right, the printable card your crew reads at two in the morning under a headlamp.

Race day notes

  • Crux near Loop 35 at mile 70 when the rolling hills stop being cute near mile 65. Plan foot work before the field splits.
  • Surfaces: 100% double-track dirt. Match lugs and tape adhesion to the dominant surface.
  • Air band 40°F to 85°F. Crew should carry dry socks and skin lube when heat or rain is in range.
  • Cutoff 32 hours. Longer stops only where the schedule has real buffer.
  • Educational only. Test every tape, sock, and shoe combination on long runs before race day.

Where you sit down

  • Cahuilla Rez Ultra 100 mile 10MI 10
  • Cahuilla Rez Ultra 100 mile 14MI 14

Print card

A single sheet your crew reads at two in the morning: the stop script, the mandatory kit, and the calls that pull the runner. Print it, laminate it, staple it to the drop bag.

Crew foot care card

Station script. Three to eight minutes if organized.

  1. Runner sits. Shoes and socks off both feet.
  2. Inspect: hot spots, maceration, nails, blisters.
  3. Clean with wipe. Pat completely dry. No tape on damp skin.
  4. Treat hot spots first. Drain blisters only if necessary with clean technique.
  5. Fresh socks. Relace shoes. Runner stands and tests before leaving.

Mandatory kit

  • Leukotape, kinesiology tape, wipes, blister patches, moleskin
  • Scissors, nail clippers, lubricant, powder, spare socks (2+)
  • Antibiotic ointment, gloves, cohesive wrap, small towel

When to pull runner: spreading redness, loss of feeling, gait collapse, unmanageable pain.

PR Run · pr.run/foot-care

FAQ

Cahuilla Rez Ultra 100 foot questions.

  1. 01

    Where should I stop for foot care at Cahuilla Rez Ultra 100?

    Cahuilla Rez Ultra 100 mile 10 at mile 9.6, Cahuilla Rez Ultra 100 mile 14 at mile 14.3. Those stops carry the most ground and descent behind them, so a sock change and a tape check pay for the minutes they cost.

  2. 02

    Which section of Cahuilla Rez Ultra 100 wrecks feet?

    Mile 9 to 11.5 drops 800 ft at 6.2 percent average grade. That is where toes meet the front of the shoe and heels start to lift. Pretape before it, not after.

  3. 03

    How do I keep my feet dry at Cahuilla Rez Ultra 100?

    October highs reach 85 degrees F. Sweat saturates socks, skin softens, friction climbs. Change socks at every stop you can, run powder or a moisture barrier, and lean forward when you dump water on your head so it misses your shoes.

  4. 04

    How many sock changes for Cahuilla Rez Ultra 100?

    Plan one at every foot stop you have access to, and carry one spare pair beyond that. 23.9 miles inside 32 hours is long enough that dry socks are faster than the five minutes they cost.

  5. 05

    How do I stop blisters at Cahuilla Rez Ultra 100?

    Start from the biggest threat on this course. October highs reach 85 degrees F. Sweat saturates socks, skin softens, friction climbs. Fit the shoe with room for swelling, pretape the spots that have blistered on you before, keep grit out, and change socks at every stop you have access to. Blisters come from pressure, friction, and moisture, so remove whichever one this course hands you the most of.

  6. 06

    What foot care kit should I pack for Cahuilla Rez Ultra 100?

    Beyond the standard kit, this course calls for powder and a moisture barrier, pretape for toes and heels, light you can tape by. Sweat is the friction multiplier on this course.

  7. 07

    What shoes work for Cahuilla Rez Ultra 100?

    100% double-track dirt at technicality 5/10 points toward Topo Athletic Terraventure 4, Craft Nordlite Ultra Pro, adidas Fluidflow 20. Whatever you pick, race it on a long run first and leave room for feet that swell over the back half.

Educational only. Not medical advice. Persistent pain, infection, or numbness: see a podiatrist or sports medicine clinician.

Back to the full foot care guide

Train for it

Feet get you to the finish. The plan gets you there on the clock.

Foot care is one system on Cahuilla Rez Ultra 100. Climbs, descents, heat, fueling, and cutoffs are the rest of it.

Train for Cahuilla Rez Ultra 100Shoe finderCourse readiness scoreTools