Grip Age™ · Submission tips
Learn
Short guides for filming proof, understanding Grip Age, and climbing tiers · without the wall of text.
What Is Grip Age™?
Grip Age translates your dead hang time into a population-anchored score, how your grip endurance compares to adults your age and sex. A lower Grip Age means your hang outperforms typical expectations for your chronological age. A higher Grip Age means there is room to climb the tiers.
WDHC uses Grip Age v1.9 on the public site. Every verified submission receives a Grip Age analysis in your confirmation email. The Athlete Portal calculator uses the same formula family.
How It Works
We start with your chronological age and sex, then compare your hang against population-anchored expectations. Longer hangs pull your Grip Age younger; shorter hangs pull it older relative to the field.
With dynamometer: 72% NHANES dynamo bio age + 28% hang modifier (capped)
Hang-only scores use conservative general-population priors until the WDHC registry matures. Optional dynamometer readings sharpen the estimate when you provide them.
Grip Age is a training benchmark, not a judgment. Leaderboard rank is always hang time. In your Athlete Portal settings you can hide Grip Age from the public board anytime while keeping it visible in your private dashboard.
Performance Tiers
Tiers are based on verified active hang duration. They are separate from Grip Age but often move together as you improve.
- Challenger · 0 to 59s~80% of adults
- Contender · 1:00 to 1:59top ~20%
- Expert · 2:00 to 2:59top ~5%
- Elite · 3:00 to 3:59top ~1%
- Legend · 4:00 to 4:59top ~0.01%
- Freak · 5:00+top ~0.001%
How to measure your grip strength
Use a hand dynamometer (squeeze gauge) on your dominant hand. Stand relaxed, arm at your side, elbow bent about 90°. Squeeze as hard as you can for 3 to 5 seconds. Take your best of three attempts, in pounds or kilograms.
- No dynamometer? Many climbing gyms and physical therapy offices have one. A cheap digital grip trainer works too.
- Same hand every time. Dominant hand only - do not average both hands.
- Optional for rank. Leaderboard placement is always hang time. Grip strength only sharpens your Grip Age™ when provided.
Add your reading on submit or in your Athlete Portal profile. It is never required, but it can refine your Grip Age when hang data alone is ambiguous.
Try the Grip Age calculatorBefore You Film
- Warm up lightly. Shoulder circles and one or two short hangs, not a full fatigue session before the real attempt.
- Chalk, not tack. Block or liquid chalk is fine. No rosin, pine tar, or sticky grip aids.
- Know your bar. Standard fixed pull-up bar, ~1.25" (32 mm). Factory powder coat or light knurling is fine. No tape, foam, or tacky coatings on the gripping surface.
- Overhand only. Pronated grip, thumbs around or thumbless. No mixed or underhand grips.
Camera Setup
- Full body in frame. Hands on bar through feet, entire body visible for the whole clip.
- Side or 45° angle. Reviewers need to see elbow extension and that feet stay off the ground.
- Visible timer. On-screen timer or a clock in frame helps verification. State your time on the form too.
- Public or unlisted link. YouTube, Drive, Reddit, Instagram, or TikTok, reviewers must be able to open it without a login wall.
During the Hang
- One continuous take. Film from setup through release with no cuts, speed changes, or edits.
- Active hang. Shoulders engaged, slight lat/scap engagement is fine. No bent elbows or leg cycling.
- Timer starts when feet leave. Hands on bar, feet off ground = start. Timer stops when hands or feet touch down.
- Both hands on the bar. Small grip resets in the same spot are OK. One-handed hangs are not: if a hand clearly leaves the bar to rest or reposition, the hang ends there. Natural shoulder and hip shifts are fine.
- State your time accurately. WDHC allows ±3 seconds tolerance; larger gaps get corrected to the verified video time.
WDHC verified ✓
Contender and below: standard bar on a normal rig is enough. For Pro, Elite, Legend, and Freak tiers you also need:
- Caliper shot. Bar diameter measured on camera (~1.25 in / 32 mm).
- Bar surface close-up. Prove no tape, foam, or tacky coatings. Factory powder coat and light knurling are OK.
- Same unedited clip. Measurement and hang in one continuous video.
Common Rejections
- Edited or spliced footage
- Body partially out of frame
- Bent elbows, one-handed hangs, or feet touching ground early
- Straps, gloves, or tacky grip aids
- Private video links reviewers cannot open
- Submitted time far off from verified duration
Climber FAQ
How do I submit from the gym or home?
- Any standard pull-up bar - home rig, gym bar, or park bar (~1.25 in / 32 mm; powder coat or light knurling OK).
- Film one continuous clip - full body visible, timer readable, feet off ground until release.
- Submit at worlddeadhang.com/submit - paste your video link (YouTube, Drive, Instagram, TikTok).
- Get verified - most hangs approved within 48 hours. Athlete Portal unlocks after first approval.
Do I need a dynamometer?
No. Leaderboard rank is always hang time. A grip-strength reading only sharpens your Grip Age™ when you choose to add one.
What counts for monthly challenges?
Every approved hang in the challenge window counts automatically - no separate form. Each month runs Longest Hang of the Month plus a rotating second challenge (see Challenges).
Athlete share kit →WDHC vs Rogue / Guinness
WDHC is building a year-round league, not a one-week brand popup or a single record attempt.
- Rogue Cliffhanger - episodic 4-day challenge, entry fee, app submission, prizes for winners. Great for hype; closes when the window ends.
- Guinness World Records - ultimate credibility for one verified number; no community leaderboard or monthly rhythm.
- WDHC - free entry, global persistent board, Grip Age™, monthly challenges, gym local standings, Athlete Portal, and a published rulebook. Verified ✓ hangs can align with strict record standards when you film to WDHC Pro criteria.
Full rulebook: rules.html · Integrity policy: competition integrity
Compare Athletes
Enter your hang time and hit You vs #1, or search any two leaderboard athletes by name to compare hang time, tier, and Grip Age™ side by side.
Monthly Challenges
No extra form · every approved hang you submit during the challenge month counts. Typical format: Longest Hang of the Month plus Most Hangs in a Month. Standings are on Challenges and in the Athlete Portal.
- See the current target on Challenges.
- Submit through the normal submit flow, same video, same verification.
- Check your progress in the Athlete Portal after approval.
Submit your hang