BOSTON MARATHON 2023

Nattaporn Chaikaew

Bib: 21014•F

WA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Gender (Female)

#0 / 11423

Top 40%

Masters (Masters Women)

#0 / 6539

Top 27%

Division (F45-49)

#0 / 1817

Top 30%

Race Day Weather

49°/39°F

light intensity drizzle

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

24:19

Rank: #12645

Start → 5K

24:19 | 7:50/mi

5K· 3.11 mi

24:19

Rank: #12645

Start → 5K

24:19 | 7:50/mi

10K· 6.21 mi

48:07

Rank: #12224 (+421)

5K → 10K

23:48 | 7:40/mi

10K· 6.21 mi

48:07

Rank: #12224 (+421)

5K → 10K

23:48 | 7:40/mi

15K· 9.32 mi

1:12:36

Rank: #12582 (-358)

10K → 15K

24:29 | 7:53/mi

15K· 9.32 mi

1:12:36

Rank: #12582 (-358)

10K → 15K

24:29 | 7:53/mi

20K· 12.43 mi

1:37:55

Rank: #13124 (-542)

15K → 20K

25:19 | 8:09/mi

20K· 12.43 mi

1:37:55

Rank: #13124 (-542)

15K → 20K

25:19 | 8:09/mi

Half· 13.11 mi

1:43:30

Rank: #13279 (-155)

20K → Half

5:35 | 8:11/mi

Half· 13.11 mi

1:43:30

Rank: #13279 (-155)

20K → Half

5:35 | 8:11/mi

25K· 15.53 mi

2:04:05

Rank: #13772 (-493)

Half → 25K

20:35 | 8:29/mi

25K· 15.53 mi

2:04:05

Rank: #13772 (-493)

Half → 25K

20:35 | 8:29/mi

30K· 18.64 mi

2:32:00

Rank: #14481 (-709)

25K → 30K

27:55 | 8:59/mi

30K· 18.64 mi

2:32:00

Rank: #14481 (-709)

25K → 30K

27:55 | 8:59/mi

20M

2:44:19

Rank: #14670 (-189)

30K → 20M

12:19 | 9:04/mi

20M

2:44:19

Rank: #14670 (-189)

30K → 20M

12:19 | 9:04/mi

21M

2:53:56

Rank: #14778 (-108)

20M → 21M

9:37 | 9:37/mi

21M

2:53:56

Rank: #14778 (-108)

20M → 21M

9:37 | 9:37/mi

35K· 21.75 mi

3:00:24

Rank: #14821 (-43)

21M → 35K

6:28 | 8:39/mi

35K· 21.75 mi

3:00:24

Rank: #14821 (-43)

21M → 35K

6:28 | 8:39/mi

23M

3:11:31

Rank: #14844 (-23)

35K → 23M

11:07 | 8:53/mi

23M

3:11:31

Rank: #14844 (-23)

35K → 23M

11:07 | 8:53/mi

24M

3:19:56

Rank: #14774 (+70)

23M → 24M

8:25 | 8:25/mi

24M

3:19:56

Rank: #14774 (+70)

23M → 24M

8:25 | 8:25/mi

40K· 24.85 mi

3:27:12

Rank: #14694 (+80)

24M → 40K

7:16 | 8:30/mi

40K· 24.85 mi

3:27:12

Rank: #14694 (+80)

24M → 40K

7:16 | 8:30/mi

25.2M

3:30:24

Rank: #14671 (+23)

40K → 25.2M

3:12 | 9:17/mi

25.2M

3:30:24

Rank: #14671 (+23)

40K → 25.2M

3:12 | 9:17/mi

Finish· 26.22 mi

3:38:15

Rank: #14488 (+183)

25.2M → Finish

7:51 | 7:42/mi

Finish· 26.22 mi

3:38:15

Rank: #14488 (+183)

25.2M → Finish

7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:43:30

Pace7:54 /mi

2nd Half

Distance13.11 mi

Time1:54:45

Pace8:45 /mi

📊Positive Split: 10.9% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:17:32	24:19	7:50	24:19	7:50	-
10K	6.21 mi	11:41:20	48:07	7:45	23:48	7:40	-0:10
15K	9.32 mi	12:05:49	1:12:36	7:47	24:29	7:53	+0:13
20K	12.43 mi	12:31:08	1:37:55	7:53	25:19	8:09	+0:16
Half	13.11 mi	12:36:43	1:43:30	7:54	5:35	8:11	+0:02
25K	15.53 mi	12:57:18	2:04:05	7:59	20:35	8:29	+0:18
30K	18.64 mi	13:25:13	2:32:00	8:09	27:55	8:59	+0:30
20M	20.00 mi	13:37:32	2:44:19	8:13	12:19	9:04	+0:05
21M	21.00 mi	13:47:09	2:53:56	8:17	9:37	9:37	+0:33
35K	21.75 mi	13:53:37	3:00:24	8:18	6:28	8:39	-0:58
23M	23.00 mi	14:04:44	3:11:31	8:20	11:07	8:53	+0:14
24M	24.00 mi	14:13:09	3:19:56	8:20	8:25	8:25	-0:28
40K	24.85 mi	14:20:25	3:27:12	8:20	7:16	8:30	+0:05
25.2M	25.20 mi	14:23:37	3:30:24	8:21	3:12	9:17	+0:47
Finish	26.22 mi	14:31:28	3:38:15	8:20	7:51	7:42	-1:35

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:40 /mi

Average Pace

8:20 /mi

Slowest Pace

9:37 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:21

51% of race

Time at Steady Pace

42:44

20% of race

Time at Slower Pace

1:04:10

29% of race

Average Pace: 8:19 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...

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

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Trend	Rank
5K	3.11 mi	11:17:32	24:19	7:50	24:19	7:50		#12645
10K	6.21 mi	11:41:20	48:07	7:45	23:48	7:40		#12224
15K	9.32 mi	12:05:49	1:12:36	7:47	24:29	7:53		#12582
20K	12.43 mi	12:31:08	1:37:55	7:53	25:19	8:09		#13124
Half	13.11 mi	12:36:43	1:43:30	7:54	5:35	8:11		#13279
25K	15.53 mi	12:57:18	2:04:05	7:59	20:35	8:29		#13772
30K	18.64 mi	13:25:13	2:32:00	8:09	27:55	8:59		#14481
20M	20.00 mi	13:37:32	2:44:19	8:13	12:19	9:04		#14670
21M	21.00 mi	13:47:09	2:53:56	8:17	9:37	9:37		#14778
35K	21.75 mi	13:53:37	3:00:24	8:18	6:28	8:39		#14821
23M	23.00 mi	14:04:44	3:11:31	8:20	11:07	8:53		#14844
24M	24.00 mi	14:13:09	3:19:56	8:20	8:25	8:25		#14774
40K	24.85 mi	14:20:25	3:27:12	8:20	7:16	8:30		#14694
25.2M	25.20 mi	14:23:37	3:30:24	8:21	3:12	9:17		#14671
Finish	26.22 mi	14:31:28	3:38:15	8:20	7:51	7:42		#14488

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	3.11 mi	12645	3251	3251	13383(Top 50%)	3721(Top 33%)	3721(Top 205%)
10K	6.21 mi	3.10 mi	12224+421	2988+263	2988+263	11910(Top 45%)	2817(Top 25%)	2817(Top 155%)
15K	9.32 mi	3.11 mi	12582-358	3221-233	3221-233	13383(Top 50%)	3721(Top 33%)	3721(Top 205%)
20K	12.43 mi	3.11 mi	13124-542	3560-339	3560-339	14597(Top 55%)	4461(Top 39%)	4461(Top 246%)
Half	13.11 mi	0.68 mi	13279-155	3653-93	3653-93	15696(Top 59%)	5102(Top 45%)	5102(Top 281%)
25K	15.53 mi	2.42 mi	13772-493	3973-320	3973-320	16129(Top 61%)	5513(Top 48%)	5513(Top 303%)
30K	18.64 mi	3.11 mi	14481-709	4437-464	4437-464	17089(Top 64%)	6117(Top 54%)	6117(Top 337%)
20M	20.00 mi	1.36 mi	14670-189	4563-126	4563-126	16865(Top 63%)	6069(Top 53%)	6069(Top 334%)
21M	21.00 mi	1.00 mi	14778-108	4650-87	4650-87	16509(Top 62%)	5913(Top 52%)	5913(Top 325%)
35K	21.75 mi	0.75 mi	14821-43	4700-50	4700-50	16106(Top 60%)	5745(Top 50%)	5745(Top 316%)
23M	23.00 mi	1.25 mi	14844-23	4741-41	4741-41	15434(Top 58%)	5410(Top 47%)	5410(Top 298%)
24M	24.00 mi	1.00 mi	14774+70	4720+21	4720+21	13998(Top 53%)	4672(Top 41%)	4672(Top 257%)
40K	24.85 mi	0.85 mi	14694+80	4697+23	4697+23	13364(Top 50%)	4400(Top 39%)	4400(Top 242%)
25.2M	25.20 mi	0.35 mi	14671+23	4694+3	4694+3	14136(Top 53%)	4820(Top 42%)	4820(Top 265%)
Finish	26.22 mi	1.02 mi	14488+183	4592+102	4592+102	10042(Top 38%)	2729(Top 24%)	2729(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%

×21stories

+97ft-345ft

Overall

13383

Females

3721

F45-49

3721

5K→10K

3.1 - 6.2 mi

Top 45%

×5stories

+79ft-138ft

Overall

11910

Females

2817

F45-49

2817

10K→15K

6.2 - 9.3 mi

Top 50%

×3stories

+67ft-78ft

Overall

13383

Females

3721

F45-49

3721

15K→20K

9.3 - 12.4 mi

Top 55%

×5stories

+106ft-86ft

Overall

14597

Females

4461

F45-49

4461

20K→Half

12.4 - 13.1 mi

Top 59%

×2stories

+19ft-37ft

Overall

15696

Females

5102

F45-49

5102

Half→25K

13.1 - 15.5 mi

Top 61%

×4stories

+66ft-88ft

Overall

16129

Females

5513

F45-49

5513

25K→30K

15.5 - 18.6 mi

Top 64%

×9stories

+181ft-148ft

Overall

17089

Females

6117

F45-49

6117

30K→20M

18.6 - 20.0 mi

Top 63%

×5stories

+64ft-50ft

Overall

16865

Females

6069

F45-49

6069

20M→21M

20.0 - 21.0 mi

Top 62%

×8stories

+106ft-24ft

Overall

16509

Females

5913

F45-49

5913

21M→35K

21.0 - 21.8 mi

Top 60%

×7stories

+17ft-86ft

Overall

16106

Females

5745

F45-49

5745

35K→23M

21.8 - 23.0 mi

Top 58%

×5stories

+23ft-63ft

Overall

15434

Females

5410

F45-49

5410

23M→24M

23.0 - 24.0 mi

Top 53%

×6stories

+12ft-82ft

Overall

13998

Females

4672

F45-49

4672

24M→40K

24.0 - 24.9 mi

Top 50%

×1story

+6ft-20ft

Overall

13364

Females

4400

F45-49

4400

40K→25.2M

24.9 - 25.2 mi

Top 53%

×1story

+13ft-16ft

Overall

14136

Females

4820

F45-49

4820

25.2M→Finish

25.2 - 26.2 mi

Top 38%

×2stories

+22ft-21ft

Overall

10042

Females

2729

F45-49

2729

Passing Analysis

Category:

Athletes Passed

1449

Passed By

3292

Net Change

-1843

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#12645
5K → 10K	574	153	+421	#12645	#12224
10K → 15K	90	448	-358	#12224	#12582
15K → 20K	56	598	-542	#12582	#13124
20K → Half	8	163	-155	#13124	#13279
Half → 25K	42	535	-493	#13279	#13772
25K → 30K	45	754	-709	#13772	#14481
30K → 20M	46	235	-189	#14481	#14670
20M → 21M	48	156	-108	#14670	#14778
21M → 35K	38	81	-43	#14778	#14821
35K → 23M	81	104	-23	#14821	#14844
23M → 24M	94	24	+70	#14844	#14774
24M → 40K	105	25	+80	#14774	#14694
40K → 25.2M	33	10	+23	#14694	#14671
25.2M → Finish	189	6	+183	#14671	#14488
TOTALS	1449	3292	-1843

📊

Passing Visuals

Category:

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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Results processed 7 days ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing