LONDON MARATHON MASS 2026

Kamchai Sitthiamornporn

Bib: 64266 M TH

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M50-54)

#0 / 3474

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

10:38/mi

33:02

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:28/mi

1:08:39

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:09/mi

1:46:21

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:25/mi

2:28:01

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:16/mi

2:36:55

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:04/mi

3:13:36

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:26/mi

3:55:20

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:11/mi

4:42:30

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:14/mi

5:23:34

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:37/mi

5:42:07

↑ 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

2:36:5511:59 /mi⚡ faster

2nd Half

3:05:1214:07 /mi+18.0%

Positive split — 18.0% slower in the second half

AI Race Performance Report

Kamchai'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	Trend	Diff
5K	33:02	10:38	3.11 mi	33:02	10:38		-
10K	1:08:39	11:03	3.10 mi	35:37	11:28		+0:50
15K	1:46:21	11:25	3.11 mi	37:42	12:09		+0:41
20K	2:28:01	11:55	3.11 mi	41:40	13:25		+1:16
Half(13.10 mi)	2:36:55	11:59	0.67 mi	8:54	13:16		-0:09
25K	3:13:36	12:28	2.43 mi	36:41	15:04		+1:48
30K	3:55:20	12:38	3.11 mi	41:44	13:26		-1:38
35K	4:42:30	13:00	3.11 mi	47:10	15:11		+1:45
40K	5:23:34	13:02	3.10 mi	41:04	13:14		-1:57
Finish(26.22 mi)	5:42:07	13:04	1.37 mi	18:33	13:37		+0:23

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Kamchai's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:38 /mi

Average Pace

13:03 /mi

Slowest Pace

15:11 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:46:21

31% of race

Time at Steady Pace

2:31:55

44% of race

Time at Slower Pace

1:23:51

25% of race

Average Pace: 13:03 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	45057	28736	28736	49151	30223	30223
10K	3.10 mi	47208-2151	29599-863	29599-863	48917	30243	30243
15K	3.11 mi	47970-762	29869-270	29869-270	49151	30223	30223
20K	3.11 mi	49869-1899	30499-630	30499-630	53172	31411	31411
Half(13.10 mi)	0.67 mi	49951-82	30502-3	30502-3	51279	30526	30526
25K	2.43 mi	50966-1015	30800-298	30800-298	54144	31628	31628
30K	3.11 mi	50181+785	30427+373	30427+373	46527	28226	28226
35K	3.11 mi	50429-248	30377+50	30377+50	51248	29898	29898
40K	3.10 mi	49801+628	30023+354	30023+354	43745	26150	26150
Finish(26.22 mi)	1.37 mi	49797+4	29979+44	29979+44	49534	28960	28960

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%

131 ft55 ft

↑ 49ft↓ 125ft

117 ft

Overall

49151

Males

30223

M50-54

30223

5K→10K

3.1 - 6.2 mi

Top 82%

55 ft24 ft

↑ 50ft↓ 81ft

45 ft

Overall

48917

Males

30243

M50-54

30243

10K→15K

6.2 - 9.3 mi

Top 82%

24 ft18 ft

↑ 44ft↓ 51ft

17 ft

Overall

49151

Males

30223

M50-54

30223

15K→20K

9.3 - 12.4 mi

Top 89%

18 ft45 ft

↑ 67ft↓ 40ft

38 ft

Overall

53172

Males

31411

M50-54

31411

20K→Half

12.4 - 13.1 mi

Top 86%

45 ft26 ft

↑ 8ft↓ 27ft

20 ft

Overall

51279

Males

30526

M50-54

30526

Half→25K

13.1 - 15.5 mi

Top 91%

25 ft12 ft

↑ 50ft↓ 63ft

20 ft

Overall

54144

Males

31628

M50-54

31628

25K→30K

15.5 - 18.6 mi

Top 78%

12 ft35 ft

↑ 69ft↓ 46ft

28 ft

Overall

46527

Males

28226

M50-54

28226

30K→35K

18.6 - 21.8 mi

Top 86%

35 ft34 ft

↑ 87ft↓ 88ft

23 ft

Overall

51248

Males

29898

M50-54

29898

35K→40K

21.8 - 24.9 mi

Top 73%

34 ft17 ft

↑ 58ft↓ 75ft

31 ft

Overall

43745

Males

26150

M50-54

26150

40K→Finish

24.9 - 26.2 mi

Top 83%

17 ft13 ft

↑ 14ft↓ 18ft

13 ft

Overall

49534

Males

28960

M50-54

28960

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing