Callum Blair

Bib: 20855 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Division (M18-39)

#0 / 16712

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

10:03/mi

31:11

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:03/mi

1:02:23

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:13/mi

1:34:05

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:00/mi

2:05:07

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:23/mi

2:12:05

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:23/mi

2:37:21

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:31/mi

3:13:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:43/mi

3:46:23

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:19/mi

4:24:37

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:30/mi

4:40:17

↑ 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

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The Course

Half Splits

1st Half· via Half

2:12:0510:06 /mi⚡ faster

2nd Half

2:28:1211:18 /mi+12.2%

Positive split — 12.2% slower in the second half

AI Race Performance Report

Callum'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.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:11	10:03	3.11 mi	31:11	10:03	-
10K	1:02:23	10:03	3.10 mi	31:12	10:03	0:00
15K	1:34:05	10:06	3.11 mi	31:42	10:13	+0:10
20K	2:05:07	10:05	3.11 mi	31:02	10:00	-0:13
Half(13.10 mi)	2:12:05	10:06	0.67 mi	6:58	10:23	+0:23
25K	2:37:21	10:08	2.43 mi	25:16	10:23	0:00
30K	3:13:07	10:22	3.11 mi	35:46	11:31	+1:08
35K	3:46:23	10:25	3.11 mi	33:16	10:43	-0:48
40K	4:24:37	10:39	3.10 mi	38:14	12:19	+1:36
Finish(26.22 mi)	4:40:17	10:42	1.37 mi	15:40	11:30	-0:49

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:00 /mi

Average Pace

10:42 /mi

Slowest Pace

12:19 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

31:02

11% of race

Time at Steady Pace

2:39:35

57% of race

Time at Slower Pace

1:29:40

32% of race

Average Pace: 10:41 /mi

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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	39029	26074	26074	34639	23744	23744
10K	3.10 mi	37786+1243	25453+621	25453+621	36863	24956	24956
15K	3.11 mi	36578+1208	24828+625	24828+625	34639	23744	23744
20K	3.11 mi	35606+972	24232+596	24232+596	33413	22885	22885
Half(13.10 mi)	0.67 mi	35433+173	24113+119	24113+119	33813	22892	22892
25K	2.43 mi	34725+708	23647+466	23647+466	32301	21874	21874
30K	3.11 mi	34961-236	23533+114	23533+114	36035	23274	23274
35K	3.11 mi	33232+1729	22369+1164	22369+1164	26360	17545	17545
40K	3.10 mi	33789-557	22426-57	22426-57	37617	22968	22968
Finish(26.22 mi)	1.37 mi	33822-33	22383+43	22383+43	35733	22046	22046

22046

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#39029
5K → 10K	2421485+1243	#39029 → #37786
10K → 15K	861294+1208	#37786 → #36578
15K → 20K	751047+972	#36578 → #35606
20K → Half	29202+173	#35606 → #35433
Half → 25K	102810+708	#35433 → #34725
25K → 30K	800564-236	#34725 → #34961
30K → 35K	481777+1729	#34961 → #33232
35K → 40K	889332-557	#33232 → #33789
40K → Finish	202169-33	#33789 → #33822
TOTALS	24737680+5207	#39029 → #33822

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing