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BOSTON MARATHON 2025

Kathleen Napoli

Bib: 20208•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:48
Rank: #18725
Start → 5K
25:48 | 8:18/mi
10K· 6.21 mi
51:24
Rank: #18438 (+287)
5K → 10K
25:36 | 8:14/mi
15K· 9.32 mi
1:16:46
Rank: #18004 (+434)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:43:13
Rank: #18028 (-24)
15K → 20K
26:27 | 8:31/mi
Half· 13.11 mi
1:49:05
Rank: #18101 (-73)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:10:48
Rank: #18402 (-301)
Half → 25K
21:43 | 8:57/mi
30K· 18.64 mi
2:39:24
Rank: #18454 (-52)
25K → 30K
28:36 | 9:12/mi
20M
2:52:11
Rank: #18483 (-29)
30K → 20M
12:47 | 9:24/mi
21M
3:02:08
Rank: #18436 (+47)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:08:57
Rank: #18465 (-29)
21M → 35K
6:49 | 9:07/mi
23M
3:20:26
Rank: #18365 (+100)
35K → 23M
11:29 | 9:10/mi
24M
3:29:02
Rank: #18213 (+152)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:36:31
Rank: #18076 (+137)
24M → 40K
7:29 | 8:45/mi
25.2M
3:40:00
Rank: #18078 (-2)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:48:44
Rank: #18025 (+53)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:59:39
Pace9:08 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5625:488:1825:48
8:18
-
10K
6.21 mi11:43:3251:248:1625:36
8:14
-0:04
15K
9.32 mi12:08:541:16:468:1425:22
8:10
-0:04
20K
12.43 mi12:35:211:43:138:1826:27
8:31
+0:21
Half
13.11 mi12:41:131:49:058:195:52
8:36
+0:05
25K
15.53 mi13:02:562:10:488:2521:43
8:57
+0:21
30K
18.64 mi13:31:322:39:248:3328:36
9:12
+0:15
20M
20.00 mi13:44:192:52:118:3712:47
9:24
+0:12
21M
21.00 mi13:54:163:02:088:409:57
9:57
+0:33
35K
21.75 mi14:01:053:08:578:416:49
9:07
-0:50
23M
23.00 mi14:12:343:20:268:4311:29
9:10
+0:03
24M
24.00 mi14:21:103:29:028:438:36
8:36
-0:34
40K
24.85 mi14:28:393:36:318:437:29
8:45
+0:09
25.2M
25.20 mi14:32:083:40:008:443:29
10:06
+1:21
Finish
26.22 mi14:40:523:48:448:448:44
8:34
-1:32

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

8:10 /mi

Average Pace

8:44 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:46

34% of race

Time at Steady Pace

1:18:51

34% of race

Time at Slower Pace

1:13:07

32% of race

Average Pace: 8:43 /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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:17:5625:488:1825:48
8:18
#18725
10K
6.21 mi11:43:3251:248:1625:36
8:14
#18438
15K
9.32 mi12:08:541:16:468:1425:22
8:10
#18004
20K
12.43 mi12:35:211:43:138:1826:27
8:31
#18028
Half
13.11 mi12:41:131:49:058:195:52
8:36
#18101
25K
15.53 mi13:02:562:10:488:2521:43
8:57
#18402
30K
18.64 mi13:31:322:39:248:3328:36
9:12
#18454
20M
20.00 mi13:44:192:52:118:3712:47
9:24
#18483
21M
21.00 mi13:54:163:02:088:409:57
9:57
#18436
35K
21.75 mi14:01:053:08:578:416:49
9:07
#18465
23M
23.00 mi14:12:343:20:268:4311:29
9:10
#18365
24M
24.00 mi14:21:103:29:028:438:36
8:36
#18213
40K
24.85 mi14:28:393:36:318:437:29
8:45
#18076
25.2M
25.20 mi14:32:083:40:008:443:29
10:06
#18078
Finish
26.22 mi14:40:523:48:448:448:44
8:34
#18025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi187256758675817156(Top 60%)5824(Top 48%)5824(Top 321%)
10K6.21 mi3.10 mi18438+2876581+1776581+17718150(Top 64%)6395(Top 52%)6395(Top 353%)
15K9.32 mi3.11 mi18004+4346337+2446337+24417156(Top 60%)5824(Top 48%)5824(Top 321%)
20K12.43 mi3.11 mi18028-246348-116348-1118330(Top 65%)6523(Top 53%)6523(Top 360%)
Half13.11 mi0.68 mi18101-736398-506398-5019762(Top 70%)7350(Top 60%)7350(Top 405%)
25K15.53 mi2.42 mi18402-3016581-1836581-18319700(Top 69%)7369(Top 60%)7369(Top 406%)
30K18.64 mi3.11 mi18454-526640-596640-5918651(Top 66%)6924(Top 57%)6924(Top 382%)
20M20.00 mi1.36 mi18483-296685-456685-4518754(Top 66%)7143(Top 58%)7143(Top 394%)
21M21.00 mi1.00 mi18436+476691-66691-618079(Top 64%)6843(Top 56%)6843(Top 377%)
35K21.75 mi0.75 mi18465-296718-276718-2718718(Top 66%)7325(Top 60%)7325(Top 404%)
23M23.00 mi1.25 mi18365+1006684+346684+3417173(Top 60%)6551(Top 54%)6551(Top 361%)
24M24.00 mi1.00 mi18213+1526634+506634+5015119(Top 53%)5460(Top 45%)5460(Top 301%)
40K24.85 mi0.85 mi18076+1376585+496585+4914869(Top 52%)5466(Top 45%)5466(Top 301%)
25.2M25.20 mi0.35 mi18078-26598-136598-1317366(Top 61%)6813(Top 56%)6813(Top 376%)
Finish26.22 mi1.02 mi18025+536585+136585+1316625(Top 59%)6382(Top 52%)6382(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17156

Females

5824

F45-49

5824

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18150

Females

6395

F45-49

6395

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17156

Females

5824

F45-49

5824

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18330

Females

6523

F45-49

6523

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19762

Females

7350

F45-49

7350

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19700

Females

7369

F45-49

7369

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18651

Females

6924

F45-49

6924

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18754

Females

7143

F45-49

7143

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18079

Females

6843

F45-49

6843

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18718

Females

7325

F45-49

7325

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17173

Females

6551

F45-49

6551

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15119

Females

5460

F45-49

5460

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14869

Females

5466

F45-49

5466

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17366

Females

6813

F45-49

6813

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16625

Females

6382

F45-49

6382

Passing Analysis

Category:
Athletes Passed
2267
Passed By
1567
Net Change
+700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18725
5K → 10K435148+287#18725#18438
10K → 15K47137+434#18438#18004
15K → 20K187211-24#18004#18028
20K → Half2194-73#18028#18101
Half → 25K87388-301#18101#18402
25K → 30K227279-52#18402#18454
30K → 20M97126-29#18454#18483
20M → 21M12275+47#18483#18436
21M → 35K4574-29#18436#18465
35K → 23M14747+100#18465#18365
23M → 24M16210+152#18365#18213
24M → 40K1469+137#18213#18076
40K → 25.2M2931-2#18076#18078
25.2M → Finish9138+53#18078#18025
TOTALS22671567+700
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing