Ian Hay
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Interviewed as a guest
Episode 141
Facts in a Haystack: parkrun Australia's growth compared with the UK's, 2018 participation and volunteer numbers, junior parkrun volunteering, PB streaks, course attendance records, Christmas/New Year predictions, and the Mel-versus-Scott head-to-head stats. Also his own parkrun year - visiting St Lucia parkrun and getting his son running.
Episode 97
Record-breaking January 2018 participation and volunteer numbers, year-on-year growth since 2015, and predictions for the 2018 full-year total.
Episode 78
Facts in a Haystack: 59:59 stopwatch-failure stats, total Australian events, PB counts and PB/time streaks, plus his experience pacing 4:30 at the Sunshine Coast Marathon.
Episode 66
April 2017 parkrun statistics, the first one-million-runner month, record global attendance, Australian participation, volunteer and adventurer numbers.
Episode 50
Year-end "Mel versus Scott" statistics rematch, volunteer stints, run totals and the best events for Mels and Scotts to feel at home, plus a statistician joke and a sign-off on the year of Facts in a Haystack.
Episode 34
Event Director travel and PB stats, plus listener questions from Peter and Simon on youngest/oldest course-record holders, the longest runs without an attendance record being broken, and 50/100-club membership proportions.
Episode 19
Brought on to deliver Facts in a Haystack, but his laptop will not boot so there are no stats. The hosts improvise an interview about his own event instead, Stones Corner parkrun's second birthday, breaking their attendance record by 100 to around 430, the 2.5km out-and-back course over a "blue stream" that is really a drain pipe, his limited adventuring (Wynnum, Minnippi, South Bank), and South Bank parkrun's crew covering every volunteer spot for the birthday.
Episode 3
The episode's headline guest and the debut of the monthly stats segment eventually christened "Facts in a Haystack" on air. Ian brings stats not available to the average parkrunner: ~335,000 km run in Australia since 1 January (9.5 laps of Australia, up from 7 at the same point a year earlier); the most common parkrunner first names (David; Sarah and Michelle); 106 Scotts against ~80 Mels/Melissas that weekend; 3,300 first names among ~22,000 runners with 2,000 of them unique; and the biggest registered running clubs, Running Mums Australia, the Derek Zoolander Centre for Kids Who Can't Run Good, and 530 Runners.