Isobel Jones

Bib: 23691 F GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 36%

Gender (Female)

#0 / 26115

Top 24%

Division (F18-39)

#0 / 14744

Top 26%

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

8:59/mi

27:54

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:09/mi

56:19

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:10/mi

1:24:45

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:02/mi

1:52:48

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:24/mi

1:59:06

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:03/mi

2:21:08

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:29/mi

2:50:35

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:01/mi

3:21:41

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:28/mi

3:51:04

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:18/mi

4:03:44

↑ 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

1:59:069:06 /mi⚡ faster

2nd Half

2:04:389:30 /mi+4.6%

Positive split — 4.6% 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.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:54	8:59	3.11 mi	27:54	8:59	-
10K	56:19	9:04	3.10 mi	28:25	9:09	+0:10
15K	1:24:45	9:06	3.11 mi	28:26	9:10	+0:01
20K	1:52:48	9:05	3.11 mi	28:03	9:02	-0:08
Half(13.10 mi)	1:59:06	9:06	0.67 mi	6:18	9:24	+0:22
25K	2:21:08	9:06	2.43 mi	22:02	9:03	-0:21
30K	2:50:35	9:10	3.11 mi	29:27	9:29	+0:26
35K	3:21:41	9:17	3.11 mi	31:06	10:01	+0:32
40K	3:51:04	9:18	3.10 mi	29:23	9:28	-0:33
Finish(26.22 mi)	4:03:44	9:19	1.37 mi	12:40	9:18	-0:10

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Isobel'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

8:59 /mi

Average Pace

9:18 /mi

Slowest Pace

10:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:32:38

87% of race

Time at Steady Pace

31:06

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	26491	7527	7527	23185	6261	6261
10K	3.10 mi	26439+52	7484+43	7484+43	26681	7588	7588
15K	3.11 mi	25199+1240	7000+484	7000+484	23185	6261	6261
20K	3.11 mi	24736+463	6833+167	6833+167	24044	6603	6603
Half(13.10 mi)	0.67 mi	24727+9	6837-4	6837-4	25088	7050	7050
25K	2.43 mi	23924+803	6597+240	6597+240	21160	5814	5814
30K	3.11 mi	23229+695	6476+121	6476+121	21739	6264	6264
35K	3.11 mi	22926+303	6576-100	6576-100	21893	6812	6812
40K	3.10 mi	21877+1049	6371+205	6371+205	17066	5400	5400
Finish(26.22 mi)	1.37 mi	21543+334	6290+81	6290+81	17348	5563	5563

5563

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