What does sub-25 mean?

"Sub 25" means below 25, usually referring to achieving a time or score less than 25 units (like minutes, seconds, or even points) in a competitive activity, most commonly running (a sub-25 5K is under 25 minutes) or speedcubing (under 25 seconds). The prefix "sub" comes from Latin, meaning "under" or "below," so it signifies breaking a certain barrier.
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What does sub mean in race time?

For example, PB330 means a personal best time of 3 hours and 30 minutes in a full marathon. SUB:SUB refers to a time lower than a certain benchmark. For example, "Sub3" in a full marathon means finishing the race in less than 3 hours.
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What does sub 50 mean?

"Sub 50" means less than 50 (e.g., 49.99 or below) and is most commonly used in running to signify finishing a race under 50 minutes (like a 10K) or a segment under 50 seconds (like a 400m dash). The prefix "sub-" comes from Latin, meaning "under" or "below," indicating a performance better than the benchmark number.
 
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What does sub-40 mean in running?

In running, "sub 40" means achieving a time under 40 minutes for a specific distance, most commonly the 10k (6.2 miles), requiring a challenging average pace like 3:59 per kilometer or 6:26 per mile, and it's a significant milestone indicating serious fitness and endurance. It's a benchmark that separates experienced runners from casual joggers, demanding consistent training and mental toughness. 
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What does sub 30 mean in running?

In running, "sub 30" means finishing a specific distance in under 30 minutes, most commonly referring to a 5K (5 kilometers), making it a "sub-30 5K," a significant milestone showing good speed and stamina for many runners, requiring roughly a 9:39/mile or 6:00/km pace. 
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How To Run A 5k In Under 25 Minutes

What does sub 25 minute 5K mean?

A "sub-25 5k" means running a 5-kilometer (3.1-mile) race in under 25 minutes, requiring a consistent average pace of about 8 minutes, 2 seconds per mile (or around 5 minutes per kilometer). It's a strong fitness level, changing from jogging to running, and involves structured training with tempo runs and intervals to build endurance and speed, with a focus on even pacing to avoid starting too fast.
 
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What is Mark Zuckerberg's 5K time?

Mark Zuckerberg's notable 5k times include 19:34 in 2023, an impressive sub-20 minute run at age 38, and around 20-21 minutes in 2024/2025, even after ACL surgery, crediting his MMA training for improved strength. His pace averages about 6:18-6:38 per mile, showing strong fitness, especially for someone who doesn't run high mileage but focuses on martial arts, notes InsideHook and Marathon Handbook.
 
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Can I run a sub 25 5K?

It's also a common goal among beginner and recreational runners, especially those who have a few races under their belt. All that said, I don't think that anyone can just walk out of the door and run a 25-minute 5K. In fact, expect to invest some decent amount of training into to make this goal a reality.
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How fast do Navy Seals run 4 miles?

For Navy SEAL training (BUD/S), the minimum standard for the 4-mile run is under 32 minutes (8-minute pace), typically run on sand in boots and pants, though competitive candidates aim for much faster times like under 28 minutes (7-minute pace) or even under 24 minutes, as better times significantly improve success rates and show true fitness beyond just passing.
 
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Is it true only 1% of people run a marathon?

According to global stats, somewhere between 10 and 13 million unique people ran a marathon between 2000 and 2022. That means only about 0.13% to 0.16% of the world's population runs a marathon in a given year and likely less than 1% will ever complete one in their lifetime.
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What does sub-60 mean?

"Sub 60" means achieving a result under 60 units, most commonly used in sports to signify finishing a race or challenge in less than 60 minutes, like a "sub-60 10k" (under 60 mins for a 10-kilometer run) or a "sub-60 HYROX" (under 60 mins for a HYROX event). The prefix "sub-" means "under" or "below," making it a benchmark for elite performance in endurance or timed activities. 
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What's a good sub-3 marathon time?

Pacing is critical to achieving any marathon goal. To finish in under 3 hours, your average pace should be 6:51 per mile (4:15 per km) or faster.
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What is a sub 55?

If you hit the splits listed below, you'll finish a 10K in 55 minutes. Shave a second somewhere along the way, and you'll finish sub-55. (If that's not the time you want, you can pick a different 10K pace chart.)
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How fast do Navy Seals run 1.5 miles?

For the Navy SEAL Physical Screening Test (PST), the minimum time is 10:30, but competitive scores are often under 9:30, with elite candidates running it in under 9:00 minutes, requiring a fast pace like a 6-minute mile or better. 
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What is a sub-20?

"Sub 20" means achieving a time under 20 minutes, most commonly referring to a 5K run (3.1 miles), requiring a fast pace (around 4:00/km or 6:26/mile). It's a significant benchmark separating casual joggers from more serious runners, symbolizing a substantial fitness level. The prefix "sub" means "below" or "under," so "sub 20" means less than 20. 
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What is a 10 mile run called?

A 10-mile run is simply called a 10-miler or a 10-mile run, a common distance that's longer than a 10K (6.2 miles) but shorter than a half marathon (13.1 miles), serving as a good gauge for seasoned runners training for longer races like the marathon.
 
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Are Navy SEALs paid for life?

Navy SEALs don't get paid for life automatically; they earn a military pension (lifetime payments) only after completing 20 years of honorable service, starting around 50% of their basic pay, plus access to lifetime healthcare (Tricare), but leaving before 20 years means losing those major retirement benefits, even for long-serving SEALs. While they get high bonuses and special pay during service, the long-term "pay for life" comes from the pension system, requiring that significant time commitment.
 
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What is the 60% rule Navy SEAL?

👉🏼 The Navy SEAL 40% Rule: When your mind starts telling you that you're physically or emotionally maxed out, you're not actually done. You're usually only operating at about 40% of your true capacity. That means you still have 60% left if you believe you do.
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Is a sub 26 minute 5K good?

Yes, a 26-minute 5K is a solid, respectable time that's generally better than average, especially for recreational runners, falling into a good "intermediate" range, requiring about an 8:22/mile pace and showing you're in good shape and can likely improve with consistent training, though it's not competitive at elite levels. 
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What is the 80 20 rule for 5K?

It states that you should spend 80% of your training time running at an easy, conversational pace, and the other 20% at a moderate to hard intensity. Easy running builds your aerobic engine, improving oxygen delivery to your muscles, while preserving energy for hard sessions to develop your speed and power.
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Is a sub-20 minute 5K impressive?

A watershed time for many runners, a sub-20-minute 5K requires dedicated training, impressive speed endurance and mental tenacity.
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What is the 80% rule Zuckerberg?

Googlers call Zuckerberg's approach the 80 percent rule

She calls this idea the 80 percent rule. It states you should schedule only about 80 percent of your days. Leave 20 percent open to absorb whatever craziness comes up.
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Who became a billionaire at 23?

At 22, Mercor's founders beat Mark Zuckerberg, who became a billionaire at 23, to set a new record for youngest self-made tech billionaire. The title had changed hands several times in recent years, previously held briefly by Polymarket CEO Shayne Coplan and Scale AI cofounder Alexandr Wang, according to Forbes.
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