Jessica Porch Du Boulay

Bib: 27008 F GB

0:00

0:00

/ mi

Be the first to cheer!

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

10:21/mi

32:08

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:27/mi

1:04:35

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:47/mi

1:38:05

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:42/mi

2:11:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:16/mi

2:18:52

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:10/mi

2:46:02

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:26/mi

3:21:32

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:15/mi

4:02:40

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:43/mi

4:42:09

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:25/mi

4:59:04

↑ 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

2:18:5210:37 /mi⚡ faster

2nd Half

2:40:1212:13 /mi+15.4%

Positive split — 15.4% slower in the second half

AI Race Performance Report

Jessica'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	32:08	10:21	3.11 mi	32:08	10:21	-
10K	1:04:35	10:24	3.10 mi	32:27	10:27	+0:06
15K	1:38:05	10:32	3.11 mi	33:30	10:47	+0:20
20K	2:11:19	10:35	3.11 mi	33:14	10:42	-0:05
Half(13.10 mi)	2:18:52	10:37	0.67 mi	7:33	11:16	+0:34
25K	2:46:02	10:42	2.43 mi	27:10	11:10	-0:06
30K	3:21:32	10:49	3.11 mi	35:30	11:26	+0:16
35K	4:02:40	11:10	3.11 mi	41:08	13:15	+1:49
40K	4:42:09	11:22	3.10 mi	39:29	12:43	-0:32
Finish(26.22 mi)	4:59:04	11:25	1.37 mi	16:55	12:25	-0:18

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Jessica'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

10:21 /mi

Average Pace

11:25 /mi

Slowest Pace

13:15 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:11:19

44% of race

Time at Steady Pace

1:10:13

23% of race

Time at Slower Pace

1:37:32

33% of race

Average Pace: 11:24 /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	42323	14683	14683	39842	13440	13440
10K	3.10 mi	41435+888	14178+505	14178+505	40809	13897	13897
15K	3.11 mi	40714+721	13832+346	13832+346	39842	13440	13440
20K	3.11 mi	40244+470	13663+169	13663+169	39446	13532	13532
Half(13.10 mi)	0.67 mi	40230+14	13690-27	13690-27	40931	14570	14570
25K	2.43 mi	39686+544	13539+151	13539+151	38002	13244	13244
30K	3.11 mi	38718+968	13222+317	13222+317	35504	12450	12450
35K	3.11 mi	39383-665	13800-578	13800-578	42143	16458	16458
40K	3.10 mi	39575-192	14100-300	14100-300	40462	15948	15948
Finish(26.22 mi)	1.37 mi	39851-276	14299-199	14299-199	42752	16977	16977

16977

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#42323
5K → 10K	3741262+888	#42323 → #41435
10K → 15K	231952+721	#41435 → #40714
15K → 20K	291761+470	#40714 → #40244
20K → Half	125139+14	#40244 → #40230
Half → 25K	234778+544	#40230 → #39686
25K → 30K	1631131+968	#39686 → #38718
30K → 35K	997332-665	#38718 → #39383
35K → 40K	558366-192	#39383 → #39575
40K → Finish	36589-276	#39575 → #39851
TOTALS	33385810+2472	#42323 → #39851

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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