BOSTON MARATHON 2025

Nattaporn Chaikaew

Bib: 22174•F

WA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Gender (Female)

#0 / 12228

Top 45%

Masters (Masters Women)

#0 / 6759

Top 33%

Division (F45-49)

#0 / 1813

Top 40%

Race Day Weather

50°/40°F

broken clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

24:00

Rank: #14195

Start → 5K

24:00 | 7:43/mi

5K· 3.11 mi

24:00

Rank: #14195

Start → 5K

24:00 | 7:43/mi

10K· 6.21 mi

48:30

Rank: #14847 (-652)

5K → 10K

24:30 | 7:53/mi

10K· 6.21 mi

48:30

Rank: #14847 (-652)

5K → 10K

24:30 | 7:53/mi

15K· 9.32 mi

1:13:11

Rank: #15106 (-259)

10K → 15K

24:41 | 7:57/mi

15K· 9.32 mi

1:13:11

Rank: #15106 (-259)

10K → 15K

24:41 | 7:57/mi

20K· 12.43 mi

1:38:50

Rank: #15576 (-470)

15K → 20K

25:39 | 8:15/mi

20K· 12.43 mi

1:38:50

Rank: #15576 (-470)

15K → 20K

25:39 | 8:15/mi

Half· 13.11 mi

1:44:25

Rank: #15671 (-95)

20K → Half

5:35 | 8:11/mi

Half· 13.11 mi

1:44:25

Rank: #15671 (-95)

20K → Half

5:35 | 8:11/mi

25K· 15.53 mi

2:05:05

Rank: #15964 (-293)

Half → 25K

20:40 | 8:31/mi

25K· 15.53 mi

2:05:05

Rank: #15964 (-293)

Half → 25K

20:40 | 8:31/mi

30K· 18.64 mi

2:32:30

Rank: #16100 (-136)

25K → 30K

27:25 | 8:49/mi

30K· 18.64 mi

2:32:30

Rank: #16100 (-136)

25K → 30K

27:25 | 8:49/mi

20M

2:44:45

Rank: #16121 (-21)

30K → 20M

12:15 | 9:01/mi

20M

2:44:45

Rank: #16121 (-21)

30K → 20M

12:15 | 9:01/mi

21M

2:54:20

Rank: #16091 (+30)

20M → 21M

9:35 | 9:35/mi

21M

2:54:20

Rank: #16091 (+30)

20M → 21M

9:35 | 9:35/mi

35K· 21.75 mi

3:00:53

Rank: #16098 (-7)

21M → 35K

6:33 | 8:45/mi

35K· 21.75 mi

3:00:53

Rank: #16098 (-7)

21M → 35K

6:33 | 8:45/mi

23M

3:12:28

Rank: #16130 (-32)

35K → 23M

11:35 | 9:15/mi

23M

3:12:28

Rank: #16130 (-32)

35K → 23M

11:35 | 9:15/mi

24M

3:21:37

Rank: #16201 (-71)

23M → 24M

9:09 | 9:09/mi

24M

3:21:37

Rank: #16201 (-71)

23M → 24M

9:09 | 9:09/mi

40K· 24.85 mi

3:29:28

Rank: #16257 (-56)

24M → 40K

7:51 | 9:11/mi

40K· 24.85 mi

3:29:28

Rank: #16257 (-56)

24M → 40K

7:51 | 9:11/mi

25.2M

3:32:53

Rank: #16270 (-13)

40K → 25.2M

3:25 | 9:54/mi

25.2M

3:32:53

Rank: #16270 (-13)

40K → 25.2M

3:25 | 9:54/mi

Finish· 26.22 mi

3:41:19

Rank: #16209 (+61)

25.2M → Finish

8:26 | 8:17/mi

Finish· 26.22 mi

3:41:19

Rank: #16209 (+61)

25.2M → Finish

8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:44:25

Pace7:58 /mi

2nd Half

Distance13.11 mi

Time1:56:54

Pace8:55 /mi

📊Positive Split: 12.0% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:18:44	24:00	7:43	24:00	7:43	-
10K	6.21 mi	11:43:14	48:30	7:48	24:30	7:53	+0:10
15K	9.32 mi	12:07:55	1:13:11	7:51	24:41	7:57	+0:04
20K	12.43 mi	12:33:34	1:38:50	7:57	25:39	8:15	+0:18
Half	13.11 mi	12:39:09	1:44:25	7:58	5:35	8:11	-0:04
25K	15.53 mi	12:59:49	2:05:05	8:03	20:40	8:31	+0:20
30K	18.64 mi	13:27:14	2:32:30	8:11	27:25	8:49	+0:18
20M	20.00 mi	13:39:29	2:44:45	8:14	12:15	9:01	+0:12
21M	21.00 mi	13:49:04	2:54:20	8:18	9:35	9:35	+0:34
35K	21.75 mi	13:55:37	3:00:53	8:19	6:33	8:45	-0:50
23M	23.00 mi	14:07:12	3:12:28	8:22	11:35	9:15	+0:30
24M	24.00 mi	14:16:21	3:21:37	8:24	9:09	9:09	-0:06
40K	24.85 mi	14:24:12	3:29:28	8:26	7:51	9:11	+0:02
25.2M	25.20 mi	14:27:37	3:32:53	8:27	3:25	9:54	+0:43
Finish	26.22 mi	14:36:03	3:41:19	8:27	8:26	8:17	-1:37

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

7:43 /mi

Average Pace

8:27 /mi

Slowest Pace

9:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:51

51% of race

Time at Steady Pace

1:06:53

30% of race

Time at Slower Pace

41:35

19% of race

Average Pace: 8:26 /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	11:18:44	24:00	7:43	24:00	7:43		#14195
10K	6.21 mi	11:43:14	48:30	7:48	24:30	7:53		#14847
15K	9.32 mi	12:07:55	1:13:11	7:51	24:41	7:57		#15106
20K	12.43 mi	12:33:34	1:38:50	7:57	25:39	8:15		#15576
Half	13.11 mi	12:39:09	1:44:25	7:58	5:35	8:11		#15671
25K	15.53 mi	12:59:49	2:05:05	8:03	20:40	8:31		#15964
30K	18.64 mi	13:27:14	2:32:30	8:11	27:25	8:49		#16100
20M	20.00 mi	13:39:29	2:44:45	8:14	12:15	9:01		#16121
21M	21.00 mi	13:49:04	2:54:20	8:18	9:35	9:35		#16091
35K	21.75 mi	13:55:37	3:00:53	8:19	6:33	8:45		#16098
23M	23.00 mi	14:07:12	3:12:28	8:22	11:35	9:15		#16130
24M	24.00 mi	14:16:21	3:21:37	8:24	9:09	9:09		#16201
40K	24.85 mi	14:24:12	3:29:28	8:26	7:51	9:11		#16257
25.2M	25.20 mi	14:27:37	3:32:53	8:27	3:25	9:54		#16270
Finish	26.22 mi	14:36:03	3:41:19	8:27	8:26	8:17		#16209

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	14195	4031	4031	15638(Top 55%)	4931(Top 40%)	4931(Top 272%)
10K	6.21 mi	3.10 mi	14847-652	4461-430	4461-430	15580(Top 55%)	4879(Top 40%)	4879(Top 269%)
15K	9.32 mi	3.11 mi	15106-259	4622-161	4622-161	15638(Top 55%)	4931(Top 40%)	4931(Top 272%)
20K	12.43 mi	3.11 mi	15576-470	4910-288	4910-288	16674(Top 59%)	5589(Top 46%)	5589(Top 308%)
Half	13.11 mi	0.68 mi	15671-95	4976-66	4976-66	17220(Top 61%)	5885(Top 48%)	5885(Top 325%)
25K	15.53 mi	2.42 mi	15964-293	5145-169	5145-169	17347(Top 61%)	6049(Top 49%)	6049(Top 334%)
30K	18.64 mi	3.11 mi	16100-136	5286-141	5286-141	16746(Top 59%)	5888(Top 48%)	5888(Top 325%)
20M	20.00 mi	1.36 mi	16121-21	5338-52	5338-52	16871(Top 59%)	6070(Top 50%)	6070(Top 335%)
21M	21.00 mi	1.00 mi	16091+30	5350-12	5350-12	16471(Top 58%)	5959(Top 49%)	5959(Top 329%)
35K	21.75 mi	0.75 mi	16098-7	5378-28	5378-28	17037(Top 60%)	6358(Top 52%)	6358(Top 351%)
23M	23.00 mi	1.25 mi	16130-32	5430-52	5430-52	17562(Top 62%)	6759(Top 55%)	6759(Top 373%)
24M	24.00 mi	1.00 mi	16201-71	5500-70	5500-70	18121(Top 64%)	7095(Top 58%)	7095(Top 391%)
40K	24.85 mi	0.85 mi	16257-56	5548-48	5548-48	17269(Top 61%)	6727(Top 55%)	6727(Top 371%)
25.2M	25.20 mi	0.35 mi	16270-13	5565-17	5565-17	16624(Top 59%)	6392(Top 52%)	6392(Top 353%)
Finish	26.22 mi	1.02 mi	16209+61	5545+20	5545+20	14797(Top 52%)	5370(Top 44%)	5370(Top 296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%

×21stories

+97ft-345ft

Overall

15638

Females

4931

F45-49

4931

5K→10K

3.1 - 6.2 mi

Top 55%

×5stories

+79ft-138ft

Overall

15580

Females

4879

F45-49

4879

10K→15K

6.2 - 9.3 mi

Top 55%

×3stories

+67ft-78ft

Overall

15638

Females

4931

F45-49

4931

15K→20K

9.3 - 12.4 mi

Top 59%

×5stories

+106ft-86ft

Overall

16674

Females

5589

F45-49

5589

20K→Half

12.4 - 13.1 mi

Top 61%

×2stories

+19ft-37ft

Overall

17220

Females

5885

F45-49

5885

Half→25K

13.1 - 15.5 mi

Top 61%

×4stories

+66ft-88ft

Overall

17347

Females

6049

F45-49

6049

25K→30K

15.5 - 18.6 mi

Top 59%

×9stories

+181ft-148ft

Overall

16746

Females

5888

F45-49

5888

30K→20M

18.6 - 20.0 mi

Top 59%

×5stories

+64ft-50ft

Overall

16871

Females

6070

F45-49

6070

20M→21M

20.0 - 21.0 mi

Top 58%

×8stories

+106ft-24ft

Overall

16471

Females

5959

F45-49

5959

21M→35K

21.0 - 21.8 mi

Top 60%

×7stories

+17ft-86ft

Overall

17037

Females

6358

F45-49

6358

35K→23M

21.8 - 23.0 mi

Top 62%

×5stories

+23ft-63ft

Overall

17562

Females

6759

F45-49

6759

23M→24M

23.0 - 24.0 mi

Top 64%

×6stories

+12ft-82ft

Overall

18121

Females

7095

F45-49

7095

24M→40K

24.0 - 24.9 mi

Top 61%

×1story

+6ft-20ft

Overall

17269

Females

6727

F45-49

6727

40K→25.2M

24.9 - 25.2 mi

Top 59%

×1story

+13ft-16ft

Overall

16624

Females

6392

F45-49

6392

25.2M→Finish

25.2 - 26.2 mi

Top 52%

×2stories

+22ft-21ft

Overall

14797

Females

5370

F45-49

5370

Passing Analysis

Category:

Athletes Passed

1235

Passed By

3249

Net Change

-2014

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#14195
5K → 10K	110	762	-652	#14195	#14847
10K → 15K	128	387	-259	#14847	#15106
15K → 20K	89	559	-470	#15106	#15576
20K → Half	12	107	-95	#15576	#15671
Half → 25K	105	398	-293	#15671	#15964
25K → 30K	183	319	-136	#15964	#16100
30K → 20M	107	128	-21	#16100	#16121
20M → 21M	112	82	+30	#16121	#16091
21M → 35K	65	72	-7	#16091	#16098
35K → 23M	101	133	-32	#16098	#16130
23M → 24M	49	120	-71	#16130	#16201
24M → 40K	46	102	-56	#16201	#16257
40K → 25.2M	25	38	-13	#16257	#16270
25.2M → Finish	103	42	+61	#16270	#16209
TOTALS	1235	3249	-2014

📊

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 12 days ago

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing