David Blackmore

Bib: 51871 M GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 21%

Gender (Male)

#0 / 33594

Top 28%

Division (M18-39)

#0 / 16712

Top 31%

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

8:10/mi

25:21

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:13/mi

50:51

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:23/mi

1:16:53

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:06/mi

1:42:00

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:21/mi

1:47:36

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:10/mi

2:07:29

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:16/mi

2:33:09

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:39/mi

2:59:59

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:40/mi

3:26:54

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:40/mi

3:38:42

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

See every mile of your race

Claim this result to add your watch's GPX and unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half

1:47:368:13 /mi⚡ faster

2nd Half

1:51:068:29 /mi+3.3%

Positive split — 3.3% slower in the second half

AI Race Performance Report

David's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:21	8:10	3.11 mi	25:21	8:10	-
10K	50:51	8:12	3.10 mi	25:30	8:13	+0:03
15K	1:16:53	8:15	3.11 mi	26:02	8:23	+0:10
20K	1:42:00	8:13	3.11 mi	25:07	8:06	-0:17
Half(13.10 mi)	1:47:36	8:13	0.67 mi	5:36	8:21	+0:15
25K	2:07:29	8:13	2.43 mi	19:53	8:10	-0:11
30K	2:33:09	8:13	3.11 mi	25:40	8:16	+0:06
35K	2:59:59	8:17	3.11 mi	26:50	8:39	+0:23
40K	3:26:54	8:20	3.10 mi	26:55	8:40	+0:01
Finish(26.22 mi)	3:38:42	8:21	1.37 mi	11:48	8:40	0:00

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of David's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

8:06 /mi

Average Pace

8:21 /mi

Slowest Pace

8:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:33:09

70% of race

Time at Steady Pace

1:05:33

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	15953	12078	12078	15067	11513	11513
10K	3.10 mi	15697+256	11877+201	11877+201	15475	11738	11738
15K	3.11 mi	15427+270	11717+160	11717+160	15067	11513	11513
20K	3.11 mi	15014+413	11442+275	11442+275	13937	10725	10725
Half(13.10 mi)	0.67 mi	14953+61	11398+44	11398+44	14098	10789	10789
25K	2.43 mi	14515+438	11083+315	11083+315	12880	9921	9921
30K	3.11 mi	13644+871	10451+632	10451+632	11279	8747	8747
35K	3.11 mi	13078+566	9967+484	9967+484	11742	8744	8744
40K	3.10 mi	12520+558	9464+503	9464+503	11126	8051	8051
Finish(26.22 mi)	1.37 mi	12410+110	9350+114	9350+114	12080	8549	8549

8549

Passing Analysis

No position changes recorded for this athlete.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing