Five lads. Six weeks. One absolutely humbled favourite.

It starts over beers, which is where the lads’ least peer-reviewed claims tend to originate. Ben puts down his pint and announces that he is the fastest person at the table. Not “probably.” Not “over a short distance.” The fastest. Full stop.

Ryan laughs. Mika asks when Ben last ran without missing a bus. Alex opens his calendar. Eli, who has contributed almost nothing to the argument, says he is in.

“A hundred yards.
Six weeks.
Keep that same energy.”

Alex, accidentally becoming event management.

Five runners. One question.

They set the date six weeks out. One measured 100-yard course, a standing start and Casey judging from the finish. No mystery handicaps. No changing the distance when someone discovers a hill. The race happens sober, after a sensible warm-up, not as a dare outside the pub.

The field

5 runners

The build-up

6 weeks

The stakes

Points

On Conjectal, “who wins?” becomes a five-outcome bet. Ben, Ryan, Alex, Mika or Eli. Friends who are not racing join the bet too. Jess backs Ben because he has purchased shoes that look expensive. Sam backs Eli because “quiet blokes are either terrible or terrifying.” Nobody considers this a rigorous model. Everybody has a side.

The training clips become appointment viewing.

THE UNDERDOG HAS COMPANYIllustrative scene

THE BET

Who wins the 100-yard race?

Dana backed Eli · 10 points

EEliposted an update

Six weeks. Same finish line. Keep laughing.

Training update6 weeksFrom pub claim to starting line

BenYou bought running shoes for this?

DanaI backed the quiet one. Screenshot this.

Eli BACKING6% → 28%

The update lands. The conversation moves. So does the backing.

Week one is mostly trash talk. Week two brings Ryan’s slow-motion start practice. By week three, Mika has posted an actual training session and Ben has posted a photo of his trainers. The comments notice the distinction.

Eli shares short, unglamorous clips: a warm-up, a few controlled efforts, another early night. More mates back him. His slice of the market grows from 6% to 19% before backing closes. Ben still leads the odds, but his imaginary victory lap is getting shorter.

The graph tells the story of the backing, not a guaranteed result. All five shares add up to 100% at each point. One runner can gain confidence while another loses it. The finish line still gets the final word.

Race day has a crowd. An actual crowd.

More people turn up than are competing. There are mates who backed each runner, somebody with a camera, and one person who has brought a homemade sign reading BEN’S SHOES CANNOT SAVE HIM. The cheering starts before the first warm-up is over.

The start is clean. Ben gets out quickly. Ryan looks furious. Then Eli comes through the middle, wins the line and immediately becomes the most unbearable quiet person anyone has ever met.

The underdog wins.
The chat loses its mind.

Close the loop, not just the chat.

Casey posts the finish video and calls Eli as the winner. The result is visible next to the six weeks of predictions, training clips and spectacularly confident replies. Any resulting IOUs are recorded as tabs; where someone owes an agreed favour, it gets marked settled after they actually follow through.

Ben’s shoes go back in their box. Sam never lets anyone forget the early Eli backing. Six weeks after a throwaway pub claim, the whole group has a Saturday worth remembering.

That is the point: not cash winnings, not strangers on a sportsbook. A friendly prediction market gives your own people a reason to show up—and a record of exactly who said “no chance.”

Want the terms to survive the group chat? Read how to set clear ground rules.