James Thornby

Bib: 10578 M GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 36%

Gender (Male)

#0 / 33594

Top 45%

Division (M18-39)

#0 / 16712

Top 49%

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

7:42/mi

23:54

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:58/mi

48:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:23/mi

1:14:37

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:21/mi

1:40:33

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:45/mi

1:46:25

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:52/mi

2:07:59

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:50/mi

2:38:30

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:01/mi

3:12:42

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:18/mi

3:47:46

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:57/mi

4:02:41

↑ 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

1:46:258:08 /mi⚡ faster

2nd Half

2:16:1610:24 /mi+28.1%

Positive split — 28.1% slower in the second half

AI Race Performance Report

James'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	23:54	7:42	3.11 mi	23:54	7:42	-
10K	48:36	7:50	3.10 mi	24:42	7:58	+0:16
15K	1:14:37	8:01	3.11 mi	26:01	8:23	+0:25
20K	1:40:33	8:06	3.11 mi	25:56	8:21	-0:02
Half(13.10 mi)	1:46:25	8:08	0.67 mi	5:52	8:45	+0:24
25K	2:07:59	8:15	2.43 mi	21:34	8:52	+0:07
30K	2:38:30	8:31	3.11 mi	30:31	9:50	+0:58
35K	3:12:42	8:52	3.11 mi	34:12	11:01	+1:11
40K	3:47:46	9:10	3.10 mi	35:04	11:18	+0:17
Finish(26.22 mi)	4:02:41	9:16	1.37 mi	14:55	10:57	-0:21

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of James'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

7:42 /mi

Average Pace

9:16 /mi

Slowest Pace

11:18 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

48:36

20% of race

Time at Steady Pace

1:19:23

33% of race

Time at Slower Pace

1:54:42

47% of race

Average Pace: 9:15 /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	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	10715	8568	8568	15048	11504	11504
10K	3.10 mi	11405-690	9000-432	9000-432	12361	9614	9614
15K	3.11 mi	12575-1170	9766-766	9766-766	15048	11504	11504
20K	3.11 mi	13725-1150	10570-804	10570-804	16427	12382	12382
Half(13.10 mi)	0.67 mi	13954-229	10728-158	10728-158	17998	13416	13416
25K	2.43 mi	14821-867	11289-561	11289-561	19098	14016	14016
30K	3.11 mi	16394-1573	12266-977	12266-977	24246	16956	16956
35K	3.11 mi	18554-2160	13574-1308	13574-1308	28399	18642	18642
40K	3.10 mi	20604-2050	14694-1120	14694-1120	30051	19003	19003
Finish(26.22 mi)	1.37 mi	21257-653	15041-347	15041-347	30962	19467	19467

19467

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