Jacob Roberts

Bib: 48928 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 32%

Gender (Male)

#0 / 33594

Top 40%

Division (M18-39)

#0 / 16712

Top 44%

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

7:34/mi

23:30

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:51/mi

47:51

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:02/mi

1:12:46

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:53/mi

1:37:13

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:08/mi

1:42:40

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:13/mi

2:02:39

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:54/mi

2:36:30

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:24/mi

3:08:47

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:10/mi

3:43:26

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:50/mi

3:56:50

↑ 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

1:42:407:51 /mi⚡ faster

2nd Half

2:14:1010:14 /mi+30.7%

Positive split — 30.7% slower in the second half

AI Race Performance Report

Jacob'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	23:30	7:34	3.11 mi	23:30	7:34	-
10K	47:51	7:43	3.10 mi	24:21	7:51	+0:17
15K	1:12:46	7:49	3.11 mi	24:55	8:02	+0:11
20K	1:37:13	7:50	3.11 mi	24:27	7:53	-0:09
Half(13.10 mi)	1:42:40	7:51	0.67 mi	5:27	8:08	+0:15
25K	2:02:39	7:54	2.43 mi	19:59	8:13	+0:05
30K	2:36:30	8:24	3.11 mi	33:51	10:54	+2:41
35K	3:08:47	8:41	3.11 mi	32:17	10:24	-0:30
40K	3:43:26	9:00	3.10 mi	34:39	11:10	+0:46
Finish(26.22 mi)	3:56:50	9:03	1.37 mi	13:24	9:50	-1:20

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:34 /mi

Average Pace

9:02 /mi

Slowest Pace

11:10 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:02:39

52% of race

Time at Slower Pace

1:54:11

48% of race

Average Pace: 9:02 /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	9525	7762	7762	11146	8828	8828
10K	3.10 mi	10300-775	8285-523	8285-523	11125	8816	8816
15K	3.11 mi	10540-240	8419-134	8419-134	11146	8828	8828
20K	3.11 mi	10697-157	8522-103	8522-103	11566	9121	9121
Half(13.10 mi)	0.67 mi	10738-41	8541-19	8541-19	12034	9455	9455
25K	2.43 mi	11006-268	8696-155	8696-155	13240	10177	10177
30K	3.11 mi	15375-4369	11586-2890	11586-2890	31970	21219	21219
35K	3.11 mi	16856-1481	12454-868	12454-868	24371	16454	16454
40K	3.10 mi	18711-1855	13512-1058	13512-1058	29030	18434	18434
Finish(26.22 mi)	1.37 mi	18866-155	13547-35	13547-35	21581	14314	14314

14314

Passing Analysis

No position changes recorded for this athlete.

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