LONDON MARATHON MASS 2026

Nantaporn Tubtimphiroj

Bib: 36654 F TH

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F40-44)

#0 / 3355

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

12:27/mi

38:39

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:19/mi

1:16:53

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:51/mi

1:56:48

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:05/mi

2:37:26

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:58/mi

2:46:08

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:55/mi

3:20:01

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:03/mi

4:00:32

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:56/mi

4:43:47

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:25/mi

5:25:27

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:14/mi

5:43:29

↑ 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

2:46:0812:42 /mi⚡ faster

2nd Half

2:57:2113:32 /mi+6.8%

Positive split — 6.8% slower in the second half

AI Race Performance Report

Nantaporn'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	38:39	12:27	3.11 mi	38:39	12:27		-
10K	1:16:53	12:23	3.10 mi	38:14	12:19		-0:08
15K	1:56:48	12:32	3.11 mi	39:55	12:51		+0:32
20K	2:37:26	12:41	3.11 mi	40:38	13:05		+0:14
Half(13.10 mi)	2:46:08	12:42	0.67 mi	8:42	12:58		-0:07
25K	3:20:01	12:53	2.43 mi	33:53	13:55		+0:57
30K	4:00:32	12:55	3.11 mi	40:31	13:03		-0:52
35K	4:43:47	13:03	3.11 mi	43:15	13:56		+0:53
40K	5:25:27	13:06	3.10 mi	41:40	13:25		-0:31
Finish(26.22 mi)	5:43:29	13:07	1.37 mi	18:02	13:14		-0:11

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:19 /mi

Average Pace

13:07 /mi

Slowest Pace

13:56 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:26:21

78% of race

Time at Steady Pace

1:17:08

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:06 /mi

Loading chart...

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	Females	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	55682	23065	23065	52196	20844	20844
10K	3.10 mi	54380+1302	22176+889	22176+889	53046	21352	21352
15K	3.11 mi	53621+759	21701+475	21701+475	52196	20844	20844
20K	3.11 mi	53245+376	21517+184	21517+184	52135	21000	21000
Half(13.10 mi)	0.67 mi	53078+167	21420+97	21420+97	50209	20009	20009
25K	2.43 mi	52702+376	21242+178	21242+178	50922	20498	20498
30K	3.11 mi	51463+1239	20515+727	20515+727	44678	17222	17222
35K	3.11 mi	50699+764	20152+363	20152+363	45743	18325	18325
40K	3.10 mi	50168+531	19937+215	19937+215	44891	18130	18130
Finish(26.22 mi)	1.37 mi	50037+131	19904+33	19904+33	47713	19543	19543

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%

131 ft55 ft

↑ 49ft↓ 125ft

117 ft

Overall

52196

Females

20844

F40-44

20844

5K→10K

3.1 - 6.2 mi

Top 89%

55 ft24 ft

↑ 50ft↓ 81ft

45 ft

Overall

53046

Females

21352

F40-44

21352

10K→15K

6.2 - 9.3 mi

Top 87%

24 ft18 ft

↑ 44ft↓ 51ft

17 ft

Overall

52196

Females

20844

F40-44

20844

15K→20K

9.3 - 12.4 mi

Top 87%

18 ft45 ft

↑ 67ft↓ 40ft

38 ft

Overall

52135

Females

21000

F40-44

21000

20K→Half

12.4 - 13.1 mi

Top 84%

45 ft26 ft

↑ 8ft↓ 27ft

20 ft

Overall

50209

Females

20009

F40-44

20009

Half→25K

13.1 - 15.5 mi

Top 85%

25 ft12 ft

↑ 50ft↓ 63ft

20 ft

Overall

50922

Females

20498

F40-44

20498

25K→30K

15.5 - 18.6 mi

Top 75%

12 ft35 ft

↑ 69ft↓ 46ft

28 ft

Overall

44678

Females

17222

F40-44

17222

30K→35K

18.6 - 21.8 mi

Top 77%

35 ft34 ft

↑ 87ft↓ 88ft

23 ft

Overall

45743

Females

18325

F40-44

18325

35K→40K

21.8 - 24.9 mi

Top 75%

34 ft17 ft

↑ 58ft↓ 75ft

31 ft

Overall

44891

Females

18130

F40-44

18130

40K→Finish

24.9 - 26.2 mi

Top 80%

17 ft13 ft

↑ 14ft↓ 18ft

13 ft

Overall

47713

Females

19543

F40-44

19543

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