75 Hard Winter Workouts: 15 Outdoor Ideas

You’re on Day 18. The forecast says 12°F with a 20 mph wind. You still need to get 45 minutes outside, and the part of your brain that signed up for this is currently negotiating with the part that wants to stay under a blanket.

Nobody puts this on the motivational TikToks, but outdoor workouts in real winter weather are a logistics problem, not a willpower problem. Get the gear right, pick the right activity for the conditions, and know when to stop. That’s the whole game.

This guide gives you 15 cold-weather workout ideas that count for the outdoor rule, a wind-chill chart so you know when to modify, a gear checklist that actually works for 45 minutes of cold exposure, and an honest take on the days when the rules and your safety don’t agree.

The outdoor workout rule in winter (and the honest truth about it)

75 Hard, the program created by entrepreneur and podcast host Andy Frisella, requires two 45-minute workouts per day. One must be outdoors. According to Frisella’s official rules, that outdoor session happens regardless of weather, including conditions as cold as -20°F.

That last part is where things get complicated.

The American College of Sports Medicine recommends against outdoor exercise when wind-chill drops below -18°F, citing frostbite risk within 30 minutes. The American Heart Association warns that sudden exertion in cold weather raises heart-attack risk. The Mayo Clinic Sports Medicine and CDC both publish detailed thresholds for when outdoor exercise crosses from challenging into dangerous.

So you’ve got a tension between the program’s “no excuses” rule and the safety thresholds that every major sports medicine body publishes. Most days, it doesn’t matter. Bundle up, get out, log your 45 minutes. But on the genuinely dangerous days, you have a choice. Push through and accept the risk, or modify and (per the strict rules) restart. A third option is running a less rigid 75-day challenge format that lets you adapt to the weather without losing your streak.

We’ll cover all of those options below. First, the framework for knowing which kind of day you’re actually dealing with.

How cold is too cold? A wind-chill decision framework

Air temperature alone doesn’t tell you the real risk. Wind-chill does. A 20°F day with a 25 mph wind feels like 0°F to your skin and lungs, and that difference matters for frostbite, hypothermia, and cardiac strain.

A simple decision framework based on guidance from ACSM, AHA, Mayo Clinic, and Parkview Health:

Wind-chill	Risk level	What to do
40°F and above	Low	Standard layers, full intensity, normal duration
20°F to 40°F	Moderate	Three-layer system, longer warm-up, watch for icy patches
5°F to 20°F	High	Cover all skin, shorten outdoor sets, plan for fast re-entry
-18°F to 5°F	Severe	Frostbite possible in under 30 minutes. Reduce duration significantly.
Below -18°F	Extreme	ACSM advises against outdoor exercise. Modify or move indoors.

If wind-chill is below -18°F, the safest move is a brief outdoor walk to log the day and shift the bulk of your training inside. That technically breaks the strict rule and triggers a restart on the original program. If you’re not willing to restart for a weather event, that’s worth thinking about before Day 1, not on Day 47 in a polar vortex.

Reset75 supports modified 75 Soft and 75 Tough templates if you want a winter-friendly format that lets you adapt to wind-chill thresholds without throwing away two months of progress. Same daily structure, with rules you can adjust to your climate.

15 winter outdoor workout ideas that count for your 45 minutes

Group these by the kind of day you’re getting. Most winter weeks include all three categories.

Snow days (powder or fresh accumulation)

Snowshoeing. Burns 400 to 700 calories per hour, hits glutes and quads hard because of the wider stance, and is naturally low-impact. Start with a 45-minute loop on flat terrain before adding hills.
Cross-country skiing. Probably the highest-value cardio option in this list. 500 to 900 calories per hour, full-body, low joint stress. Even a beginner pace gets your heart rate up fast.
Sledding hill repeats. Walk up, sled down, repeat for 45 minutes. The walk-up is the workout. Bring a kid or a friend so you don’t look weird at the local hill.
Fat-tire biking. Wide tires roll over snow that would stop a regular bike. Trails groomed for fat bikes exist in most snow states. Calorie burn rivals running.
Snow shoveling intervals. Yes, it counts. Three minutes of fast shoveling, one minute walking the driveway, repeat. Just keep an eye on heart rate. The AHA flags shoveling as a common trigger for cardiac events.

Dry cold (clear, no precipitation)

Rucking. Walk with a weighted backpack (15 to 35 pounds) for 45 minutes. The added load means you generate more body heat, which makes single-digit air temps manageable. Start with 15 pounds.
Brisk neighborhood walking with hand weights. Two- or three-pound dumbbells turn a regular walk into something closer to a strength session. Swing them, don’t just carry them.
Cold-weather running. A pace you’d find easy in summer becomes harder in cold air. Build a flat 4 to 5 mile loop you can repeat. Cover your nose and mouth with a buff.
Outdoor bodyweight circuits. Squats, lunges, push-ups against a park bench, step-ups. Pick four moves, do 30 seconds of each, walk briskly between rounds. Stay moving so you don’t cool down between sets.
Stair sprints in a parking garage entrance. Open-air stairs at a parking garage or a stadium count as outdoors. Sprint up, walk down, 45 minutes total.

Wet, icy, or borderline conditions

Outdoor track laps with traction spikes. Most municipal tracks get plowed. Microspikes or Yaktrax give you the friction you need. Predictable surface, no traffic, easy to log distance.
Wooded trail hiking. Tree cover blocks wind and softens snow. Many state parks keep main trails packed down through the winter. Hike at an honest pace, not a stroll.
Outdoor jump rope on a covered driveway end or carport edge. Quick, intense, takes a 6-foot square of dry pavement. Watch the gray-area cover question, but a slab of concrete with no roof above it works.
Kettlebell swings on a porch. Pick a flat, non-slippery surface. Five sets of 30 swings with rest equals roughly 45 minutes when you add a warm-up walk before and after.
Sandbag carries up and down your block. Old-school, brutally effective. Carry a 25 to 50 pound sandbag (or a heavy gym duffel) for a set distance, drop it, walk back, repeat.

For more workout ideas that work year-round, see our 75 Hard workout ideas guide and the breakdown of what counts as a workout.

Cold-weather gear checklist (what actually keeps you safe for 45+ minutes)

You can do this whole challenge with $150 of gear if you shop carefully. The principle is the three-layer system, plus extremities.

Base layer (against your skin): Synthetic or merino wool. Moisture-wicking. Mayo Clinic and the AHA both flag cotton as a problem because it absorbs sweat and stops insulating. A wet cotton shirt at 20°F is genuinely dangerous.

Mid layer (insulation): Fleece or wool. Trap warm air. Half-zip styles let you vent heat when you start sweating without taking the whole layer off.

Outer shell (weatherproof): Wind-blocking and water-resistant. Doesn’t have to be expensive. A basic running windbreaker is fine on dry cold days. Add a waterproof shell only when there’s actual precipitation.

Hat and neck gaiter: Your head, face, and neck have a lot of exposed skin and a lot of blood flow close to the surface, which means they shed heat fast in wind. A thin beanie under a hood, plus a buff or neck gaiter you can pull over your nose, makes single-digit days manageable. The AHA recommends covering exposed skin once temperatures drop.

Hands: Thin liner gloves under heavier mittens. The mittens come off on uphills, the liners stay on. Frostbite hits fingers first.

Feet: Wool socks (not cotton) and a pair of microspikes or Yaktrax for ice. Yaktrax run about $30 and prevent the kind of fall that ends your whole challenge.

Sun protection: Sunscreen and sunglasses. Snow reflects up to 80% of UV rays back at you, which means winter sun exposure on a clear day can rival summer levels and is widely underestimated.

Common winter 75-day challenge mistakes (and how to avoid them)

A few patterns show up in nearly every winter restart story.

Wearing cotton anything. Cotton t-shirts, cotton hoodies, cotton socks. They get wet, they freeze, and they stop insulating. Switch to synthetic or wool everywhere on your body.

Skipping the warm-up. Mass General Brigham recommends roughly twice the warm-up time you’d do in summer. Cold muscles tear more easily. Five minutes of brisk walking before you run, swing, or shovel hard.

Underhydrating. Cold air suppresses thirst, but you’re still losing water through your breath (the visible vapor) and through sweat under all those layers. Drink water before you head out and again as soon as you’re back.

Watching air temp instead of wind-chill. The wind is what hurts you. A 20°F still day is a workout. A 20°F day with a 30 mph wind is closer to risk territory.

Trying to push through frostbite warnings. Numbness, pale or grayish skin, waxy texture. The CDC frostbite guide is worth reading once before the season starts. If you spot any of those signs, get inside.

No backup plan. Have a pre-written list of three indoor fallback workouts and a wind-chill threshold you’ve decided in advance. Decision fatigue at 5 AM in the cold is real.

Track your winter streak

The hardest part of a winter 75-day challenge isn’t the cold. It’s the daily logistics. Tracking which workout was outdoors, the second indoor session, hydration, photo, reading, and your gear-prep routine for the next morning.

A daily checklist app makes the difference between finishing and quietly dropping off around Day 30. You can use Reset75’s free 75 Tough tracker in your browser, or download the app for daily checklists, separate task types for outdoor and indoor workouts, and full streak history. If you want to plan your start date around the worst part of winter, use the 75-day challenge calculator to map your end date before you commit.

For more on the daily mechanics, see our guide to 75 Hard tips and the full 75 Hard results breakdown for what to expect across the whole 75 days.

Frequently Asked Questions

Do I have to work out outside in winter for 75 Hard?

Yes. The official rules require one 45-minute outdoor workout per day, regardless of weather. Many participants modify with safety-conscious adaptations or switch to a less rigid 75-day challenge format if conditions are genuinely unsafe.

How cold is too cold to exercise outside?

The American College of Sports Medicine recommends avoiding outdoor exercise when the wind-chill is below -18°F (-27°C), where frostbite can occur in 30 minutes or less. Below 5°F, frostbite risk increases sharply.

What outdoor workouts count for 75 Hard in winter?

Any 45-minute continuous outdoor activity counts: walking, running, snowshoeing, cross-country skiing, hiking, fat-tire biking, sledding hill repeats, outdoor bodyweight circuits, or shoveling intervals. Indoor cardio or treadmill work does not satisfy the outdoor requirement.

Can I wear winter gear or use a covered porch for my outdoor workout?

Winter gear (layers, hats, gloves) is required for safety and is fine. The rules state you cannot use cover (indoors, garages). A roofed porch is a gray area. Most participants stick to fully outdoor spaces to stay rule-compliant.

What gear do I need for outdoor workouts in winter?

A moisture-wicking base layer (no cotton), a fleece or wool mid-layer, a weatherproof outer shell, a hat and neck gaiter, thin gloves under heavier mittens, and traction devices like Yaktrax for ice. Covering exposed skin on the head, face, and hands is the biggest gear-driven safety win in single-digit cold.

Is it safe to do 75 Hard in winter with snow and ice?

With proper gear, warm-up, and respect for wind-chill thresholds, yes for most healthy adults. The biggest risks are frostbite, hypothermia, falls on ice, and cardiac strain from sudden exertion. If you have heart, asthma, or Raynaud’s conditions, talk to a doctor first.

How do I stay hydrated in cold weather?

Cold suppresses thirst, but you still lose fluid through breathing and sweating. Drink water before, during, and after your workout. The American Heart Association recommends not relying on thirst alone in cold conditions.

What if it’s snowing or icy on workout day?

Move to surfaces with traction (packed snow, plowed roads, parks with shoveled paths), use Yaktrax or microspikes, and reduce intensity to lower fall risk. Snow shoveling, snowshoeing, and winter walking all qualify.