Her 75

75 Hard for Women: The Complete 2026 Guide

By The Her 75 Team· Reviewed by Dr. Maya Patel, MD· Last updated

What is the 75 Day Hard challenge?

75 Hard is Andy Frisella's mental-toughness program — five rigid rules for 75 consecutive days, no exceptions. Designed for general fitness, it doesn't account for the menstrual cycle, hormonal fluctuations, or postpartum recovery. The women's version keeps the structure but acknowledges biology: cycle-phase workout swaps, electrolyte-adjusted hydration, and clear rules for what to do if you're pregnant, postpartum, or peri-menopausal. Her 75's 75 Day Hard mode builds these adjustments into the app so you can complete the challenge without working against your body.

The 5 75 Day Hard rules

  1. Two 45-minute workouts daily — one outdoors. Any modality. Outdoor walk counts. Both must be at least 4 hours apart.
  2. Drink 1 gallon of water (~3.8 L). Sip throughout the day. Add electrolytes. Modify down to 3 liters during menstruation per your physician's guidance.
  3. Follow your chosen diet — no cheat meals, no alcohol. Mediterranean, high-protein, plant-based, keto — pick one. Honor it for 75 days.
  4. Read 10 pages of nonfiction. Self-improvement, business, science. Audiobooks do not count under Andy Frisella's original rules.
  5. Take a daily progress photo. Same location, similar lighting, similar outfit. This is your data set.

Who 75 Day Hard is for

  • Women with a strong base fitness level (you've already trained for 12+ months)
  • Athletes preparing for a goal event or competition
  • Women who thrive on rigid structure and clear pass/fail rules
  • Anyone who has tried softer challenges and wants to push harder

When 75 Day Hard is not the right fit

  • You're pregnant, postpartum within 6 months, or trying to conceive
  • You have a history of disordered eating, RED-S, or HPA-axis dysfunction
  • You're managing chronic illness, low ferritin, or thyroid issues
  • You can't realistically schedule two 45-minute workouts daily
  • You drink less than 1.5 liters of water now — work up gradually first

Cycle, pregnancy & travel modifications

  • Menstrual phase. Replace one workout with a long walk. Drop water to 3 L on heavy-flow days. Add a B-complex and iron-rich snack.
  • Luteal phase. Reduce intensity on the second workout. Sleep 8+ hours. Don't cut carbs — your body needs them.
  • Ovulation. Use this energy peak for your hardest workouts. Hydrate aggressively.
  • Postpartum (>12 months, cleared by OB). Restart with 75 Soft for 75 days first. Then attempt Hard.
  • Travel & sleep deprivation. Pre-arrange your two workouts before the trip. A 45-min hotel-gym session + a long outdoor walk usually works.

75 Day Hard vs 75 Soft

Feature75 Day Hard75 Soft
Workouts per day2 × 45 min (one outdoors)1 × 45 min
Rest days allowedNoYes (1/week)
Water target1 gallon (~3.8 L)3 L
Reading10 pg nonfiction10 pg / any book
Restart on missYes — full restartNo restart
Completion rate (women)~25–30%~68%
Best forMental-toughness PRSustainable habits

What to expect, day by day

  • Day 1: Adrenaline. Plan your outdoor workout window for week 1 — weather is the #1 cause of restarts.
  • Day 10: Soreness. Active recovery counts as one workout — use it strategically.
  • Day 21: Cycle-phase swap. Adjust if you're luteal. Don't skip, just modify the second workout.
  • Day 40: The wall. Most quits happen here. Drop intensity if needed; do not skip.
  • Day 60: Lock-in. The rules feel automatic. Energy is high. Don't add more rules — finish clean.
  • Day 75: Quiet pride. You'll know exactly what your body and mind can do.

Want the full timeline? Read our Her 75 day-by-day guide covering every milestone from Day 1 to Day 75.

How Her 75 makes 75 Day Hard easier

The Her 75 app handles the boring parts: water intake, daily checklist, photo prompts, and friend feeds so accountability is built-in. Switch modes mid-challenge if life changes — your streak and stats come with you.

Download Her 75 free for 3 days, then $14.99/month or $49.99/year. iOS 15.1 or later.

Frequently Asked Questions

Can women safely do 75 Hard?+

Yes — with modifications. The original 75 Hard program by Andy Frisella does not account for the menstrual cycle, so women who follow the rules rigidly often experience low ferritin, sleep disruption, and HPA-axis fatigue. Cycle-aware modifications (lower-intensity workouts during luteal and menstrual phases, electrolyte-adjusted hydration, sufficient carbs) make it safer. The Her 75 app's 75 Day Hard mode builds these in.

How do you modify 75 Hard for your period?+

Replace the second daily workout with a 45-minute walk during your heaviest flow days (typically days 1–3 of menstruation). Drop water from 1 gallon to 3 liters and add electrolytes. Increase iron-rich food. Continue the photo, reading, and diet rules. The goal is consistency, not punishment.

Is it okay to do 75 Hard while pregnant?+

No. Postpone 75 Hard until at least 12 months postpartum and only with OB clearance. During pregnancy, switch to 75 Soft or Glow Within (gentle daily habits) and consult a prenatal-trained physical therapist.

Do audiobooks count on 75 Hard?+

Under Andy Frisella's original rules — no. Reading 10 physical or e-reader pages of nonfiction is required. The Her 75 app's Hard mode is strict on this rule. If audiobooks fit your life better, choose 75 Medium or 75 Soft, which both allow them.

What's the women's version of 75 Hard called?+

There is no single official 'women's 75 Hard.' Common adaptations include the 75 Hotter Challenge (Jade Brandt), 75 Day Hard inside the Her 75 app (BeHard, Inc.), 75 Medium (BeHard, Inc.), and informal personal modifications. The Her 75 app's 75 Day Hard mode is the most structured cycle-aware version.

Why do most women fail 75 Hard?+

Across published 75 Hard tracker data, the primary failure modes are: outdoor workout in bad weather (week 1), travel disruption (weeks 3–6), and luteal-phase fatigue (any cycle). Inflexibility is the issue, not willpower. Her 75 mitigates each: weather alerts, travel plans saved in-app, and luteal-aware adjustments.

How is 75 Hard different from 75 Soft?+

75 Hard requires two daily workouts, 1 gallon of water, strict diet, and zero rest days — miss any rule and you restart at Day 1. 75 Soft permits one workout, 3 L water, mindful eating with a weekly flex day, and no-restart on missed days. 75 Hard tests mental toughness; 75 Soft builds sustainable habits.

Can I drink coffee on 75 Hard?+

Yes. Black coffee is allowed on every 75 Hard mode. Adding sugar, dairy, or syrups depends on your chosen diet — if your diet permits them, they are fine. Caffeine does not count toward your water gallon.

Ready to start 75 Day Hard?

Free for 3 days. Cancel anytime. iOS 15.1 or later.