If you walk in the rain, will you get less wet than if you run in the rain?

GPT-5.4

Vote: No

Running usually gets you less wet overall, not more. The key idea is exposure time. Rain falls for as long as you are outside, so if you move faster and reach shelter sooner, less rain lands on your head and shoulders. It is true that when you run, you may collide with more raindrops on your front. But for a typical rainstorm, the reduction in time spent outside outweighs that effect. So the statement "if you walk in the rain, you will get less wet than if you run" is generally false.

Grok 4.1 Fast

Vote: No

The total wetness from rain depends on two components: rain falling on your top surface (proportional to exposure time) and rain you sweep into from the front (proportional to distance traveled, independent of speed). Walking takes longer (t_walk > t_run), so more rain accumulates on top. Frontal rain is the same for both, as it's D * frontal area * rain density. Thus, running minimizes time exposed, reducing top rain while frontal rain stays constant, so you get less wet running. Walking does not get you less wet.

Claude Opus 4.6

Vote: No

No, walking in the rain will generally make you wetter than running. This is a well-studied problem in physics and mathematics. When you move through rain, you get wet from two sources: (1) rain falling on your top surfaces (head, shoulders) and (2) rain hitting your front surface as you move into it. Running reduces the total time you spend in the rain, which significantly reduces the amount of water hitting your top surfaces. While running does increase the rate at which you hit raindrops with your front surface, this rate increase is more than compensated for by the reduced exposure time. The net result, confirmed by both mathematical analysis and real-world experiments (such as those conducted by MythBusters and various physicists), is that running gets you less wet overall for a given distance. Therefore, walking does NOT get you less wet — it gets you MORE wet. The answer is B: No, walking will not get you less wet than running.

DeepSeek V3.2

Vote: No

The total amount of rain that hits you is the sum of rain falling on top of you (proportional to time spent in the rain) and rain hitting your front (proportional to distance traveled). For a fixed distance, running reduces the time component while the distance component remains constant. Therefore, running minimizes total wetness, meaning walking does not get you less wet than running.

Gemini 3.1 Pro

Vote: No

When traveling a fixed distance in the rain, the total amount of water that hits you comes from two sources: water hitting you from above, and water you walk into horizontally. The amount of rain you sweep into horizontally depends only on the distance you travel and your cross-sectional area, meaning it remains constant regardless of your speed. However, the amount of rain that falls on you from above is proportional to the amount of time you spend in the rain. Because walking is slower than running, you spend more time in the rain, allowing more water to fall on your head and shoulders. Therefore, you will get more wet—not less wet—if you walk.

Final Summary

The AI Roundtable reached a swift and unanimous consensus, debunking the idea that walking in the rain is the drier choice. Every model, from Claude Opus 4.6 to GPT-5.4, identified exposure time as the critical variable, concluding that lingering in the storm only serves to soak your head and shoulders further. Claude Opus 4.6 even invoked historical experiments to shut down any lingering doubt, while Grok 4.1 Fast provided a clinical breakdown of top versus frontal rain accumulation.

No agreement after 1 rounds of discussion. Final vote: No: 5

Strongest Arguments

• No: The amount of rain you sweep into horizontally depends only on the distance you travel, but the rain falling from above is proportional to time; therefore, moving faster minimizes the time-based accumulation without increasing the distance-based total.