ADHM: The Statistics

Total advertised participation count: 25,000

Participants in Great Delhi Run (7KM): 15,000

Timing results analysis (half marathon):

Total timing results: 1638

Breakup of timing results
Elite: 75
Open: 1319
Veteran: 168
Senior Veteran: 47
Super Veteran: 11

My approximate half marathon participation figure:  about 8000 (from BIB number analysis)

% of runners wearing timing chip: 20%

Finish time statistics for timing chip holders:
Runners finishing between 59 min and 1:15 hr: 73 (4%)
Runners finishing between 1:15 hr and 1:30 hr: 116 (7%)
Runners finishing between 1:30 hr and 1:45 hr: 172 (10%)
Runners finishing between 1:45 hr and 2:00 hr: 250 (15%)

Runners finishing between 2:15 hr and 2:30 hr: 254 (15%)
Runners finishing between 2:30 hr and 2:45 hr: 189 (11%)
Runners finishing between 2:45 hr and 3:00 hr: 138 (8%)
Runners finishing beyond 3:00 hr: 130 (8%)

50% of the runners finished between 1:45 and 2:30!

Since the above figures are for chip-holders only, I suspect they may include the more regular running populace, and hence the numbers may be biased a bit towards higher-performance (for example, most runners finishing in any given 15 minute slot may be in the 2:15 to 2:30 zone, but due to the timing-chip bias, is being displayed in the 2:00 to 2:15 zone).