What you actually need.
Not a feature list. The problems ruckers face and how we solve them.
"Every other app treats your 40-lb ruck the same as a walk."
Track weight like it matters.
Weight input on every ruck. Calories calculated with load and elevation. Progress shows weight increases over time. The defining metric of rucking, treated like one.
"Gym routines don't prepare you for loaded miles."
Workouts that belong on the trail.
Ruck PT combines weighted movement with exercises along your route. Solo library for independent training. Group workouts for shared suffering.
"Most apps give you a log. Not a plan."
Prepare for what's ahead.
Structured training plans for GORUCK events and City Rucks. Phase-based progression from Foundation through Build, Peak, and Taper. Weight standards matched to your body. Week-by-week workouts — long rucks, pace rucks, Ruck PT, carries, night rucks. Every workout is tiered: Core workouts build the capacity you need. Recommended sessions sharpen it. Bonus work is there when you have bandwidth. Life gets in the way — the plan adapts. Not a generic running plan with weight added. Built for what rucking actually demands.
"Enthusiasm is the most common injury in rucking."
Your body adapts. We make sure it has time to.
We track your weight, distance, and pace progression — and flag you before you outrun your connective tissue. Muscles adapt in weeks. Tendons take months. The app knows the difference.
Weather doesn't care about your training plan. Real-time weather safety alerts monitor heat index with WBGT-inspired thresholds, cold and wind chill warnings for winter rucking, and sunrise/sunset awareness for early morning ruckers. Because the environment is a threat vector too.
Weather safety alerts are always free. Safety is never paywalled.
Safety Beacon
Share your ruck with someone who cares. Live location. Overdue alerts. Accountability that goes both ways.
Live Location Sharing
Your safety contacts see your position in real time on a live map. No app install required — just a link.
Real-Time Tracking Viewer
Safety contacts get a Mapbox-powered live view of your route, pace, and progress. No login needed.
Overdue Check-In Alerts
If you don't check in on time, your contacts get notified via email and SMS. Automatic. No action required from you.
Set Your Window
Define your expected duration. The system watches. If you go silent, it acts. Simple as that.
Free users get 1 safety contact. Pro unlocks 5 contacts with email + SMS alerts.
"The rucking community is scattered across Facebook groups and word of mouth."
Find your people.
Follow other ruckers. Join local clubs. Find events. Show up. Share routes. Build something that outlasts any single leader.
Lead Rotation
Clubs shouldn't die when one leader burns out. Members claim upcoming slots, events auto-create, and 72-hour reminders fill gaps before they happen.
Event Series
Progressive distance, weight, or elevation ladders across multiple events. Series leaderboards rank members by total effort, not just showing up once.
Route Sharing
Attach routes to events so everyone knows the plan. Import from past rucks, upload GPX files, or export routes to your GPS device.
Emergency Contacts
Leaders see attendee emergency contacts during active events. Because safety isn't optional when you're training under load. Always free.
"Badges in fitness apps feel like participation trophies."
Earn patches that mean something.
60+ achievements across distance, weight, elevation, community, training, and Ruck PT. Military morale patch aesthetic. You earn them under load.
"Generic fitness dashboards don't show what matters for rucking."
Data that improves your training.
Weight progression over time. Pace under different loads. Grade-Adjusted Pace that accounts for terrain. Personal records across 6 metrics — fastest pace, longest distance, heaviest weight, most elevation, highest ruck work, and longest duration.
Real-Time Splits
Live per-mile or per-km splits during your ruck. Pace, elevation gain, and duration for every segment. Optional audio announcements so you never check your phone.
Moving Time
Separates moving time from elapsed time automatically. Rest stops don't inflate your pace. Your numbers reflect the work, not the breaks.
Speed PRs
Time trial PRs tracked by distance and weight class. Your 5K at 35 lbs and your 5K at 50 lbs are different records — because they are.
Grade-Adjusted Pace
Normalizes your pace for elevation changes using the Minetti model. Compare efforts across flat and hilly routes fairly.
"If your tracking app says you gained 200 feet of elevation on a flat road, you stop trusting the numbers."
GPS-watch accuracy. From your phone.
Be. Hard fuses your phone's barometric altimeter with GPS for sub-meter elevation accuracy — the same approach Garmin and Suunto use. A Kalman filter smooths GPS jitter for cleaner routes and more accurate distances.
Calorie estimates use the LCDA equation from USARIEM — the most accurate published model for predicting metabolic cost of load carriage. Adjusted for terrain, load type, and grade — including the real cost of going downhill under weight.
Barometric Elevation
Fuses barometric altimeter with GPS for 0.5m precision — compared to 15m GPS-only noise. Sub-meter elevation on every climb.
Kalman GPS Filter
4D Kalman filter smooths GPS jitter for cleaner routes and accurate distances. No more phantom miles from signal bounce.
USARIEM LCDA Calories
Military-grade calorie estimation. Terrain type, load type, grade, and the Santee downhill correction. Validated to ±10% accuracy.
Terrain & Load Aware
Road, trail, sand, snow — each surface changes metabolic cost. Backpack, vest, sandbag — each load position changes the work.
Weather Auto-Capture
Temperature, humidity, wind, and conditions captured automatically at ruck start and end. No manual logging.
Anti-Gaming Validation
Server-side integrity checks flag impossible speeds, durations, and distances. Every ruck is honest. Every PR is real.
"Other platforms rank by pace. Rucking isn't about speed."
Ruck Work. The metric that matters.
Weight times distance. That's Ruck Work. The number that makes rucking rucking. A 3-mile ruck at 45 lbs is more work than a 5-mile walk with nothing on your back — and the leaderboard should reflect that. Ruck Work rewards load, not just legs.
Ruck Work
135 lb·mi
45 lbs x 3.0 miles
Saturday Morning Ruck — AAR
Attendance
8 ruckers
Total Weight Moved
340 lbs
Route
Riverside Loop — 4.2 mi
Weather
58°F, clear
"Your group ruck happened. Now you're typing summaries in a group chat."
After Action Reports. Auto-populated.
Who showed up, how much weight moved, the route, the weather. Published in seconds, not minutes. Leaders get a sharable recap without writing a single word. The data was already there — we just assemble it.
"Same person leads every week until they burn out and the club dies."
The weight of leadership gets distributed.
A signup calendar where any authorized member claims a slot. Events auto-create from the schedule. 72-hour reminders fill gaps before they become cancellations. One person shouldn't carry the club on their back — that's what the rucksack is for.
Sat, Mar 7
Morning Ruck
Sat, Mar 14
Morning Ruck
Sat, Mar 21
Morning Ruck