Dafydd Montgomery

Bib: 50609 M GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 8%

Gender (Male)

#0 / 33594

Top 12%

Division (M18-39)

#0 / 16712

Top 15%

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

6:39/mi

20:37

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

6:51/mi

41:52

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

6:58/mi

1:03:30

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

6:41/mi

1:24:14

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

6:53/mi

1:28:51

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

6:42/mi

1:45:10

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

6:53/mi

2:06:32

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:15/mi

2:29:02

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:49/mi

2:56:25

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:11/mi

3:08:56

↑ 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

1:28:516:47 /mi⚡ faster

2nd Half

1:40:057:38 /mi+12.6%

Positive split — 12.6% slower in the second half

AI Race Performance Report

Dafydd'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	20:37	6:39	3.11 mi	20:37	6:39	-
10K	41:52	6:45	3.10 mi	21:15	6:51	+0:12
15K	1:03:30	6:49	3.11 mi	21:38	6:58	+0:07
20K	1:24:14	6:47	3.11 mi	20:44	6:41	-0:17
Half(13.10 mi)	1:28:51	6:47	0.67 mi	4:37	6:53	+0:12
25K	1:45:10	6:47	2.43 mi	16:19	6:42	-0:11
30K	2:06:32	6:48	3.11 mi	21:22	6:53	+0:11
35K	2:29:02	6:52	3.11 mi	22:30	7:15	+0:22
40K	2:56:25	7:06	3.10 mi	27:23	8:49	+1:34
Finish(26.22 mi)	3:08:56	7:13	1.37 mi	12:31	9:11	+0:22

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Dafydd'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

6:39 /mi

Average Pace

7:13 /mi

Slowest Pace

9:11 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:29:02

79% of race

Time at Slower Pace

39:54

21% of race

Average Pace: 7:12 /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	3404	3134	3134	4239	3879	3879
10K	3.10 mi	3801-397	3495-361	3495-361	4422	4039	4039
15K	3.11 mi	3892-91	3581-86	3581-86	4239	3879	3879
20K	3.11 mi	3728+164	3437+144	3437+144	3349	3129	3129
Half(13.10 mi)	0.67 mi	3705+23	3418+19	3418+19	3628	3380	3380
25K	2.43 mi	3552+153	3285+133	3285+133	2995	2805	2805
30K	3.11 mi	3438+114	3194+91	3194+91	3111	2890	2890
35K	3.11 mi	3548-110	3279-85	3279-85	4010	3594	3594
40K	3.10 mi	4352-804	3905-626	3905-626	12141	8681	8681
Finish(26.22 mi)	1.37 mi	4701-349	4164-259	4164-259	16368	11155	11155

11155

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