Thredbo, Australia · December · 103 mi

Foot care for Kosciusko 103 mi

Kosciusko 103 mi is a descent race. Toes and nail beds pay first.

Threat matrix

What Kosciusko 103 mi does to feet.

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

  • Total descent load12,350 ft of cumulative descent. Nail beds and forefoot pay for all of it.Course data
  • Heat and sweatDecember highs reach 90 degrees F. Sweat saturates socks, skin softens, friction climbs.Course data
  • Long aid gaps20.6 miles between stations at the widest gap. Carry what you need to fix a hot spot alone.Course data
  • Downhill shearMile 3 to 8.5 drops 950 ft at 3.3 percent average grade. Toes hit the front of the shoe, heels lift.Course data

Downhill shear

Where gravity works on your toes.

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

DOWNHILL SHEAR12,350 FT OF LOSS
950 FT DOWNMI 3 TO 9 · 3.3%950 FT DOWNMI 11 TO 17 · 2.9%950 FT DOWNMI 20 TO 26 · 3.0%

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 SCHEDULE103 MI
THREDBOMI 0 · MONITORKOSCIUSKO MILE 21MI 21 · SIT DOWNKOSCIUSKO MILE 41MI 41 · SIT DOWNKOSCIUSKO MILE 62MI 62 · CHECKKOSCIUSKO MILE 82MI 82 · CHECKFINISH AUSTRALIAMI 103 · MONITOR
FOOT STOPS24H GOAL

No published cutoff, so the clocks are goal relative.

  • ThredboMI 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

  • Kosciusko mile 21MI 2110:54

    Shoes off

    20.6 mi since the last stop, 2,050 ft of descent into it.

    • Shoes and socks off. Pat completely dry, fresh socks, powder if the last pair was soaked.
    • Check toes and nail beds. 2,050 ft of descent came into this stop.

    20.6 mi since last stop · 2,050 ft down into it

  • Kosciusko mile 41MI 4115:32

    Shoes off

    20.6 mi since the last stop, 800 ft of descent into it.

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

    20.6 mi since last stop · 800 ft down into it

  • Kosciusko mile 62MI 6220:27

    Socks and a look

    20.6 mi since the last stop, late race, feet already soft.

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

    20.6 mi since last stop

  • Kosciusko mile 82MI 8201:02

    Socks and a look

    20.6 mi since the last stop, late race, feet already soft.

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

    20.6 mi since last stop

  • Finish AustraliaMI 10306:00

    Eyes only

    20.6 mi since the last stop, late race, feet already soft.

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

    20.6 mi since last stop

KIT BUILDER7 ITEMS

Checked on top of the essentials for Kosciusko 103 mi.

Vest / pack

Crew bag

Drop bag

Kit deltas

What Kosciusko 103 mi 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.
  • Vest foot kit you can use aloneThe widest gap is long enough that a hot spot becomes a blister before the next station.
  • Half size up in the crew bagFeet swell over the back half. A tight shoe at midnight ends races.

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 Back-half Main Range miles in December heat with full sleep debt near mile 65. Plan foot work before the field splits.
  • Surfaces: 70% trail / 25% fire road / 5% paved. Match lugs and tape adhesion to the dominant surface.
  • Air band 40°F to 90°F. Crew should carry dry socks and skin lube when heat or rain is in range.
  • Cutoff 36:30. 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

  • Kosciusko mile 21MI 21
  • Kosciusko mile 41MI 41

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

Kosciusko 103 mi foot questions.

  1. 01

    Where should I stop for foot care at Kosciusko 103 mi?

    Kosciusko mile 21 at mile 20.6, Kosciusko mile 41 at mile 41.2. 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 Kosciusko 103 mi wrecks feet?

    Mile 3 to 8.5 drops 950 ft at 3.3 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 Kosciusko 103 mi?

    December highs reach 90 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

    What goes in my vest for Kosciusko 103 mi?

    20.6 miles between stations at the widest gap. Carry what you need to fix a hot spot alone. Tape, two wipes, a blister patch, and a small tube of lube covers a hot spot without waiting for crew.

  5. 05

    How do I stop blisters at Kosciusko 103 mi?

    Start from the biggest threat on this course. 12,350 ft of cumulative descent. Nail beds and forefoot pay for all of it. 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 Kosciusko 103 mi?

    Beyond the standard kit, this course calls for powder and a moisture barrier, pretape for toes and heels, vest foot kit you can use alone, half size up in the crew bag. Sweat is the friction multiplier on this course.

  7. 07

    What shoes work for Kosciusko 103 mi?

    70% trail / 25% fire road / 5% paved at technicality 5/10 points toward Inov-8 Trailfly Ultra G 300, Nike Zegama 2, Topo Athletic Ultraventure 4. 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 Kosciusko 103 mi. Climbs, descents, heat, fueling, and cutoffs are the rest of it.