It's difficult to definitively say which world record is "the most rare" as rarity can be judged in different ways (e.g., by the number of people attempting, the skills required, or the sheer oddness). However, based on the provided references, we can explore some unusual and therefore arguably "rare" records:
Unique and Unusual World Records
Here are some examples of world records, mentioned in the references, that could be considered rare due to their unusual nature:
- Longest marathon on a swing: Richard Scott, a father of three from the UK, achieved a record by swinging for 36 hours and 32 minutes. This feat requires both physical endurance and mental fortitude, making it unusual.
- Farthest throw of a washing machine: This is a very specific record. The ability to physically throw a bulky appliance like a washing machine is not a skill many possess. It's certainly a rare occurrence to see.
- Most ... in a beard: This refers to a record involving the unique act of placing many items within one’s beard. The specific items and the scale of such an effort make this a rather extraordinary and perhaps “rare” accomplishment.
- Tallest stack of hats worn at once: This record seems to be based on unusual stacking skills and requires a lot of balance and stability to pull off, making it less common.
Why these records are rare
These world records stand out because:
- They are very specific: They don't involve widely practiced sports or skills.
- They require unusual skills: These aren't everyday talents or abilities that most people have.
- They are niche: These records don’t attract the same level of global participation as more mainstream records.
Conclusion
While many world records are impressive, the records above (longest swing marathon, farthest throw of a washing machine, most items in a beard and tallest stack of hats worn at once) are clearly rarer due to the unique combinations of skill and circumstances required. Ultimately, "rarity" is in the eye of the beholder, and there are many other fascinating and unusual world records.