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BOSTON MARATHON 2025

Kathryn Kennedy

Bib: 15312•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Masters (Masters Women)
#0 / 6759
Top 10%
Division (F40-44)
#0 / 1718
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10605
Start → 5K
22:45 | 7:19/mi
10K· 6.21 mi
45:52
Rank: #11078 (-473)
5K → 10K
23:07 | 7:26/mi
15K· 9.32 mi
1:09:12
Rank: #11298 (-220)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:33:03
Rank: #11539 (-241)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:38:18
Rank: #11625 (-86)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
1:57:08
Rank: #11678 (-53)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:22:26
Rank: #11748 (-70)
25K → 30K
25:18 | 8:09/mi
20M
2:33:31
Rank: #11690 (+58)
30K → 20M
11:05 | 8:09/mi
21M
2:42:16
Rank: #11701 (-11)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:48:10
Rank: #11680 (+21)
21M → 35K
5:54 | 7:53/mi
23M
2:58:02
Rank: #11480 (+200)
35K → 23M
9:52 | 7:53/mi
24M
3:05:38
Rank: #11282 (+198)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:12:16
Rank: #11140 (+142)
24M → 40K
6:38 | 7:45/mi
25.2M
3:15:13
Rank: #11095 (+45)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:23:16
Rank: #11115 (-20)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:18
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:44:58
Pace8:00 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3422:457:1922:45
7:19
-
10K
6.21 mi11:17:4145:527:2323:07
7:26
+0:07
15K
9.32 mi11:41:011:09:127:2523:20
7:31
+0:05
20K
12.43 mi12:04:521:33:037:2923:51
7:41
+0:10
Half
13.11 mi12:10:071:38:187:305:15
7:42
+0:01
25K
15.53 mi12:28:571:57:087:3218:50
7:46
+0:04
30K
18.64 mi12:54:152:22:267:3825:18
8:09
+0:23
20M
20.00 mi13:05:202:33:317:4111:05
8:09
0:00
21M
21.00 mi13:14:052:42:167:448:45
8:45
+0:36
35K
21.75 mi13:19:592:48:107:445:54
7:53
-0:52
23M
23.00 mi13:29:512:58:027:449:52
7:53
0:00
24M
24.00 mi13:37:273:05:387:447:36
7:36
-0:17
40K
24.85 mi13:44:053:12:167:446:38
7:45
+0:09
25.2M
25.20 mi13:47:023:15:137:452:57
8:33
+0:48
Finish
26.22 mi13:55:053:23:167:458:03
7:54
-0:39

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

7:19 /mi

Average Pace

7:45 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:11

76% of race

Time at Steady Pace

39:20

19% of race

Time at Slower Pace

8:45

4% of race

Average Pace: 7:45 /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 mi10:54:3422:457:1922:45
7:19
#10605
10K
6.21 mi11:17:4145:527:2323:07
7:26
#11078
15K
9.32 mi11:41:011:09:127:2523:20
7:31
#11298
20K
12.43 mi12:04:521:33:037:2923:51
7:41
#11539
Half
13.11 mi12:10:071:38:187:305:15
7:42
#11625
25K
15.53 mi12:28:571:57:087:3218:50
7:46
#11678
30K
18.64 mi12:54:152:22:267:3825:18
8:09
#11748
20M
20.00 mi13:05:202:33:317:4111:05
8:09
#11690
21M
21.00 mi13:14:052:42:167:448:45
8:45
#11701
35K
21.75 mi13:19:592:48:107:445:54
7:53
#11680
23M
23.00 mi13:29:512:58:027:449:52
7:53
#11480
24M
24.00 mi13:37:273:05:387:447:36
7:36
#11282
40K
24.85 mi13:44:053:12:167:446:38
7:45
#11140
25.2M
25.20 mi13:47:023:15:137:452:57
8:33
#11095
Finish
26.22 mi13:55:053:23:167:458:03
7:54
#11115
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi106052095209511861(Top 42%)2829(Top 23%)2829(Top 165%)
10K6.21 mi3.10 mi11078-4732337-2422337-24211564(Top 41%)2597(Top 21%)2597(Top 151%)
15K9.32 mi3.11 mi11298-2202473-1362473-13611861(Top 42%)2829(Top 23%)2829(Top 165%)
20K12.43 mi3.11 mi11539-2412638-1652638-16512203(Top 43%)3108(Top 25%)3108(Top 181%)
Half13.11 mi0.68 mi11625-862674-362674-3613360(Top 47%)3671(Top 30%)3671(Top 214%)
25K15.53 mi2.42 mi11678-532747-732747-7312088(Top 43%)3159(Top 26%)3159(Top 184%)
30K18.64 mi3.11 mi11748-702872-1252872-12512393(Top 44%)3495(Top 29%)3495(Top 203%)
20M20.00 mi1.36 mi11690+582871+12871+111521(Top 41%)3190(Top 26%)3190(Top 186%)
21M21.00 mi1.00 mi11701-112913-422913-4211992(Top 42%)3585(Top 29%)3585(Top 209%)
35K21.75 mi0.75 mi11680+212922-92922-911480(Top 40%)3352(Top 27%)3352(Top 195%)
23M23.00 mi1.25 mi11480+2002874+482874+489189(Top 32%)2350(Top 19%)2350(Top 137%)
24M24.00 mi1.00 mi11282+1982812+622812+628446(Top 30%)2078(Top 17%)2078(Top 121%)
40K24.85 mi0.85 mi11140+1422766+462766+468528(Top 30%)2243(Top 18%)2243(Top 131%)
25.2M25.20 mi0.35 mi11095+452759+72759+79192(Top 32%)2629(Top 21%)2629(Top 153%)
Finish26.22 mi1.02 mi11115-202806-472806-4712181(Top 43%)4018(Top 33%)4018(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11861

Females

2829

F40-44

2829

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11564

Females

2597

F40-44

2597

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11861

Females

2829

F40-44

2829

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12203

Females

3108

F40-44

3108

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13360

Females

3671

F40-44

3671

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12088

Females

3159

F40-44

3159

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12393

Females

3495

F40-44

3495

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11521

Females

3190

F40-44

3190

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11992

Females

3585

F40-44

3585

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11480

Females

3352

F40-44

3352

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9189

Females

2350

F40-44

2350

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8446

Females

2078

F40-44

2078

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8528

Females

2243

F40-44

2243

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9192

Females

2629

F40-44

2629

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12181

Females

4018

F40-44

4018

Passing Analysis

Category:
Athletes Passed
1695
Passed By
2205
Net Change
-510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10605
5K → 10K99572-473#10605#11078
10K → 15K120340-220#11078#11298
15K → 20K114355-241#11298#11539
20K → Half1197-86#11539#11625
Half → 25K146199-53#11625#11678
25K → 30K210280-70#11678#11748
30K → 20M14082+58#11748#11690
20M → 21M92103-11#11690#11701
21M → 35K6544+21#11701#11680
35K → 23M21313+200#11680#11480
23M → 24M20911+198#11480#11282
24M → 40K15513+142#11282#11140
40K → 25.2M5611+45#11140#11095
25.2M → Finish6585-20#11095#11115
TOTALS16952205-510
📊

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