๐ŸŽ‚ Birthday Paradox ยท Sports
โ† All sports

Olympic Cycling BMX Racing (Cycling)

Delegation

9 team lists ยท 46 player entries ยท avg team size 5.1

Read this sport as a comparison between raw coincidence and what team size alone predicts. Here, the real rate is -2.9 points below the birthday-paradox baseline.

Real team lists
0.0%
teams with shared birthdays
Why it matters: This is the headline rate, but it should never be read without team size.
Expected from size
2.9%
from avg team size
Why it matters: This is the fair baseline: what same-size random teams would do.
Gap from expected
-2.9 points
real โˆ’ expected
Why it matters: Negative means this sport is quieter than team size alone predicts.
Team lists
9
teams analysed
Why it matters: Small sample: treat the rate as a lead, not a verdict.
What to notice: The best question on a sport page is not "is the real rate high?" but "is it high after accounting for team size?" That is what the gap card is answering.

Country comparison

Countries with the most team lists for Olympic Cycling BMX Racing (Cycling), charted by the share of teams with at least one shared birthday.

Gender split inside this sport

Real and expected rates for labelled team lists in this sport.

Why it matters: The gender gap is mostly a team-size story. Men have the larger average team size here (5.2 athletes), so their birthday-match rate naturally rises.

By country

Top 40 countries by team-list count.

CountryTeam listsAvg playersReal
USA35.00.0%
AUS25.00.0%
FRA25.00.0%
NED25.50.0%
What to notice: Countries with larger average teams will naturally show more shared birthdays. The country list is most useful for finding which samples are driving this sport's overall rate.

By gender

Where the dataset records it.

GenderTeam listsRealExpectedGap
Women30.0%2.7%-2.7 points
Men60.0%2.9%-2.9 points

Sample team lists

Largest teams in the dataset.

TeamSeasonPlayersRepeatsExpected chance
NED Cycling BMX Racing (Cycling) (2020 Summer) ยท NED2020 Summer604.0%
FRA Cycling BMX Racing (Cycling) (2012 Summer) ยท FRA2012 Summer502.7%
AUS Cycling BMX Racing (Cycling) (2008 Summer) ยท AUS2008 Summer502.7%
NED Cycling BMX Racing (Cycling) (2016 Summer) ยท NED2016 Summer502.7%
AUS Cycling BMX Racing (Cycling) (2016 Summer) ยท AUS2016 Summer502.7%
FRA Cycling BMX Racing (Cycling) (2020 Summer) ยท FRA2020 Summer502.7%
USA Cycling BMX Racing (Cycling) (2012 Summer) ยท USA2012 Summer502.7%
USA Cycling BMX Racing (Cycling) (2016 Summer) ยท USA2016 Summer502.7%
USA Cycling BMX Racing (Cycling) (2020 Summer) ยท USA2020 Summer502.7%
What to notice: The sample team lists show the mechanics: once the player count gets large, the expected chance climbs quickly, and each repeat is another player landing on a date already present.