Isobel Jones

Bib: 30094 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

13:28/mi

41:49

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:56/mi

1:25:05

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

15:39/mi

2:13:41

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

17:42/mi

3:08:40

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

18:20/mi

3:20:58

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

16:11/mi

4:00:23

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

20:18/mi

5:03:25

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:48/mi

5:58:41

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

19:04/mi

6:57:53

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:42/mi

7:17:55

↑ 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

3:20:5815:21 /mi⚡ faster

2nd Half

3:56:5718:04 /mi+17.9%

Positive split — 17.9% slower in the second half

AI Race Performance Report

Isobel'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	41:49	13:28	3.11 mi	41:49	13:28	-
10K	1:25:05	13:42	3.10 mi	43:16	13:56	+0:28
15K	2:13:41	14:21	3.11 mi	48:36	15:39	+1:43
20K	3:08:40	15:11	3.11 mi	54:59	17:42	+2:03
Half(13.10 mi)	3:20:58	15:21	0.67 mi	12:18	18:20	+0:38
25K	4:00:23	15:29	2.43 mi	39:25	16:11	-2:09
30K	5:03:25	16:17	3.11 mi	1:03:02	20:18	+4:07
35K	5:58:41	16:30	3.11 mi	55:16	17:48	-2:30
40K	6:57:53	16:49	3.10 mi	59:12	19:04	+1:16
Finish(26.22 mi)	7:17:55	16:43	1.37 mi	20:02	14:42	-4:22

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

13:28 /mi

Average Pace

16:43 /mi

Slowest Pace

20:18 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:13:08

44% of race

Time at Steady Pace

2:02:33

28% of race

Time at Slower Pace

2:02:14

28% of race

Average Pace: 16:42 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	57950	24730	24730	58238	24982	24982
10K	3.10 mi	57633+317	24503+227	24503+227	57260	24264	24264
15K	3.11 mi	57993-360	24775-272	24775-272	58238	24982	24982
20K	3.11 mi	58516-523	25165-390	25165-390	59092	25611	25611
Half(13.10 mi)	0.67 mi	58587-71	25224-59	25224-59	59091	25661	25661
25K	2.43 mi	58333+254	25031+193	25031+193	56249	23751	23751
30K	3.11 mi	58725-392	25326-295	25326-295	59313	25809	25809
35K	3.11 mi	58650+75	25280+46	25280+46	57380	24699	24699
40K	3.10 mi	58759-109	25370-90	25370-90	58913	25579	25579
Finish(26.22 mi)	1.37 mi	58640+119	25285+85	25285+85	53569	22648	22648

22648

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing