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BOSTON MARATHON 2025

Margaret Kennedy

Bib: 32184•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:03
Rank: #23738
Start → 5K
29:03 | 9:21/mi
10K· 6.21 mi
57:58
Rank: #23649 (+89)
5K → 10K
28:55 | 9:18/mi
15K· 9.32 mi
1:26:28
Rank: #23357 (+292)
10K → 15K
28:30 | 9:10/mi
20K· 12.43 mi
1:54:49
Rank: #22947 (+410)
15K → 20K
28:21 | 9:07/mi
Half· 13.11 mi
2:00:51
Rank: #22852 (+95)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:23:43
Rank: #22619 (+233)
Half → 25K
22:52 | 9:26/mi
30K· 18.64 mi
2:51:56
Rank: #21866 (+753)
25K → 30K
28:13 | 9:05/mi
20M
3:04:03
Rank: #21474 (+392)
30K → 20M
12:07 | 8:55/mi
21M
3:13:35
Rank: #21214 (+260)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
3:20:20
Rank: #21089 (+125)
21M → 35K
6:45 | 9:01/mi
23M
3:31:29
Rank: #20805 (+284)
35K → 23M
11:09 | 8:54/mi
24M
3:40:08
Rank: #20601 (+204)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:47:46
Rank: #20472 (+129)
24M → 40K
7:38 | 8:56/mi
25.2M
3:50:56
Rank: #20383 (+89)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:59:10
Rank: #20192 (+191)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:00:51
Pace9:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:19
Pace9:02 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1429:039:2129:03
9:21
-
10K
6.21 mi12:22:0957:589:2028:55
9:18
-0:03
15K
9.32 mi12:50:391:26:289:1728:30
9:10
-0:08
20K
12.43 mi13:19:001:54:499:1428:21
9:07
-0:03
Half
13.11 mi13:25:022:00:519:136:02
8:51
-0:16
25K
15.53 mi13:47:542:23:439:1522:52
9:26
+0:35
30K
18.64 mi14:16:072:51:569:1328:13
9:05
-0:21
20M
20.00 mi14:28:143:04:039:1212:07
8:55
-0:10
21M
21.00 mi14:37:463:13:359:139:32
9:32
+0:37
35K
21.75 mi14:44:313:20:209:136:45
9:01
-0:31
23M
23.00 mi14:55:403:31:299:1211:09
8:54
-0:07
24M
24.00 mi15:04:193:40:089:108:39
8:39
-0:15
40K
24.85 mi15:11:573:47:469:107:38
8:56
+0:17
25.2M
25.20 mi15:15:073:50:569:103:10
9:11
+0:15
Finish
26.22 mi15:23:213:59:109:088:14
8:05
-1:06

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

8:05 /mi

Average Pace

9:08 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:55

10% of race

Time at Steady Pace

3:36:15

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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 mi11:53:1429:039:2129:03
9:21
#23738
10K
6.21 mi12:22:0957:589:2028:55
9:18
#23649
15K
9.32 mi12:50:391:26:289:1728:30
9:10
#23357
20K
12.43 mi13:19:001:54:499:1428:21
9:07
#22947
Half
13.11 mi13:25:022:00:519:136:02
8:51
#22852
25K
15.53 mi13:47:542:23:439:1522:52
9:26
#22619
30K
18.64 mi14:16:072:51:569:1328:13
9:05
#21866
20M
20.00 mi14:28:143:04:039:1212:07
8:55
#21474
21M
21.00 mi14:37:463:13:359:139:32
9:32
#21214
35K
21.75 mi14:44:313:20:209:136:45
9:01
#21089
23M
23.00 mi14:55:403:31:299:1211:09
8:54
#20805
24M
24.00 mi15:04:193:40:089:108:39
8:39
#20601
40K
24.85 mi15:11:573:47:469:107:38
8:56
#20472
25.2M
25.20 mi15:15:073:50:569:103:10
9:11
#20383
Finish
26.22 mi15:23:213:59:109:088:14
8:05
#20192
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi237389549954922760(Top 80%)8976(Top 73%)8976(Top 522%)
10K6.21 mi3.10 mi23649+899508+419508+4123560(Top 83%)9438(Top 77%)9438(Top 549%)
15K9.32 mi3.11 mi23357+2929325+1839325+18322760(Top 80%)8976(Top 73%)8976(Top 522%)
20K12.43 mi3.11 mi22947+4109097+2289097+22821569(Top 76%)8349(Top 68%)8349(Top 486%)
Half13.11 mi0.68 mi22852+959039+589039+5821145(Top 74%)8116(Top 66%)8116(Top 472%)
25K15.53 mi2.42 mi22619+2338936+1038936+10321652(Top 76%)8453(Top 69%)8453(Top 492%)
30K18.64 mi3.11 mi21866+7538549+3878549+38718117(Top 64%)6648(Top 54%)6648(Top 387%)
20M20.00 mi1.36 mi21474+3928358+1918358+19116373(Top 58%)5821(Top 48%)5821(Top 339%)
21M21.00 mi1.00 mi21214+2608239+1198239+11916266(Top 57%)5862(Top 48%)5862(Top 341%)
35K21.75 mi0.75 mi21089+1258185+548185+5418387(Top 65%)7130(Top 58%)7130(Top 415%)
23M23.00 mi1.25 mi20805+2848055+1308055+13015749(Top 55%)5758(Top 47%)5758(Top 335%)
24M24.00 mi1.00 mi20601+2047961+947961+9415494(Top 55%)5656(Top 46%)5656(Top 329%)
40K24.85 mi0.85 mi20472+1297906+557906+5515947(Top 56%)6027(Top 49%)6027(Top 351%)
25.2M25.20 mi0.35 mi20383+897865+417865+4112953(Top 46%)4511(Top 37%)4511(Top 263%)
Finish26.22 mi1.02 mi20192+1917777+887777+8813507(Top 48%)4715(Top 39%)4715(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22760

Females

8976

F40-44

8976

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23560

Females

9438

F40-44

9438

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22760

Females

8976

F40-44

8976

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21569

Females

8349

F40-44

8349

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21145

Females

8116

F40-44

8116

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21652

Females

8453

F40-44

8453

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18117

Females

6648

F40-44

6648

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16373

Females

5821

F40-44

5821

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16266

Females

5862

F40-44

5862

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18387

Females

7130

F40-44

7130

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15749

Females

5758

F40-44

5758

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15494

Females

5656

F40-44

5656

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15947

Females

6027

F40-44

6027

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12953

Females

4511

F40-44

4511

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13507

Females

4715

F40-44

4715

Passing Analysis

Category:
Athletes Passed
3870
Passed By
324
Net Change
+3546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23738
5K → 10K280191+89#23738#23649
10K → 15K34452+292#23649#23357
15K → 20K42313+410#23357#22947
20K → Half961+95#22947#22852
Half → 25K26936+233#22852#22619
25K → 30K7574+753#22619#21866
30K → 20M3931+392#21866#21474
20M → 21M2655+260#21474#21214
21M → 35K1316+125#21214#21089
35K → 23M2840+284#21089#20805
23M → 24M2051+204#20805#20601
24M → 40K1389+129#20601#20472
40K → 25.2M901+89#20472#20383
25.2M → Finish1954+191#20383#20192
TOTALS3870324+3546
📊

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