Alex Jefferson

Bib: 46119 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 2%

Gender (Male)

#0 / 33594

Top 4%

Division (M18-39)

#0 / 16712

Top 5%

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

6:10/mi

19:07

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

6:09/mi

38:12

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

6:13/mi

57:29

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

6:08/mi

1:16:32

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

6:16/mi

1:20:44

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

6:15/mi

1:35:55

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

6:21/mi

1:55:38

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

6:32/mi

2:15:53

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

6:57/mi

2:37:26

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:18/mi

2:47:23

↑ 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

1:20:446:10 /mi⚡ faster

2nd Half

1:26:396:37 /mi+7.3%

Positive split — 7.3% slower in the second half

AI Race Performance Report

Alex's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	19:07	6:10	3.11 mi	19:07	6:10	-
10K	38:12	6:09	3.10 mi	19:05	6:09	-0:01
15K	57:29	6:11	3.11 mi	19:17	6:13	+0:04
20K	1:16:32	6:10	3.11 mi	19:03	6:08	-0:05
Half(13.10 mi)	1:20:44	6:10	0.67 mi	4:12	6:16	+0:08
25K	1:35:55	6:11	2.43 mi	15:11	6:15	-0:01
30K	1:55:38	6:13	3.11 mi	19:43	6:21	+0:06
35K	2:15:53	6:15	3.11 mi	20:15	6:32	+0:11
40K	2:37:26	6:21	3.10 mi	21:33	6:57	+0:25
Finish(26.22 mi)	2:47:23	6:24	1.37 mi	9:57	7:18	+0:21

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:08 /mi

Average Pace

6:23 /mi

Slowest Pace

7:18 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:15:53

81% of race

Time at Steady Pace

21:33

13% of race

Time at Slower Pace

9:57

6% of race

Average Pace: 6:23 /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	1277	1218	1218	1000	966	966
10K	3.10 mi	1196+81	1146+72	1146+72	1110	1063	1063
15K	3.11 mi	1106+90	1065+81	1065+81	1000	966	966
20K	3.11 mi	1126-20	1083-18	1083-18	1208	1162	1162
Half(13.10 mi)	0.67 mi	1121+5	1079+4	1079+4	1152	1113	1113
25K	2.43 mi	1143-22	1101-22	1101-22	1303	1255	1255
30K	3.11 mi	1127+16	1083+18	1083+18	1169	1126	1126
35K	3.11 mi	1129-2	1085-2	1085-2	1398	1331	1331
40K	3.10 mi	1229-100	1176-91	1176-91	2504	2288	2288
Finish(26.22 mi)	1.37 mi	1320-91	1259-83	1259-83	3934	3350	3350

3350

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing