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BOSTON MARATHON 2025

Karen Swann

Bib: 30899•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F70-74)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:21
Rank: #27917
Start → 5K
35:21 | 11:23/mi
10K· 6.21 mi
1:14:01
Rank: #28090 (-173)
5K → 10K
38:40 | 12:27/mi
15K· 9.32 mi
1:53:50
Rank: #28104 (-14)
10K → 15K
39:49 | 12:49/mi
20K· 12.43 mi
2:37:09
Rank: #28183 (-79)
15K → 20K
43:19 | 13:57/mi
Half· 13.11 mi
2:46:20
Rank: #28183
20K → Half
9:11 | 13:28/mi
25K· 15.53 mi
3:21:42
Rank: #28198 (-15)
Half → 25K
35:22 | 14:35/mi
30K· 18.64 mi
4:08:42
Rank: #28224 (-26)
25K → 30K
47:00 | 15:08/mi
20M
4:28:41
Rank: #28212 (+12)
30K → 20M
19:59 | 14:42/mi
21M
4:44:54
Rank: #28215 (-3)
20M → 21M
16:13 | 16:13/mi
35K· 21.75 mi
4:55:18
Rank: #28210 (+5)
21M → 35K
10:24 | 13:54/mi
23M
5:13:46
Rank: #28202 (+8)
35K → 23M
18:28 | 14:45/mi
24M
5:27:31
Rank: #28188 (+14)
23M → 24M
13:45 | 13:45/mi
40K· 24.85 mi
5:40:35
Rank: #28190 (-2)
24M → 40K
13:04 | 15:17/mi
25.2M
5:45:52
Rank: #28185 (+5)
40K → 25.2M
5:17 | 15:19/mi
Finish· 26.22 mi
6:00:35
Rank: #28203 (-18)
25.2M → Finish
14:43 | 14:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:46:20
Pace12:41 /mi
2nd Half
Distance13.11 mi
Time3:14:15
Pace14:49 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5435:2111:2335:21
11:23
-
10K
6.21 mi12:34:341:14:0111:5538:40
12:27
+1:04
15K
9.32 mi13:14:231:53:5012:1339:49
12:49
+0:22
20K
12.43 mi13:57:422:37:0912:3943:19
13:57
+1:08
Half
13.11 mi14:06:532:46:2012:419:11
13:28
-0:29
25K
15.53 mi14:42:153:21:4212:5935:22
14:35
+1:07
30K
18.64 mi15:29:154:08:4213:2047:00
15:08
+0:33
20M
20.00 mi15:49:144:28:4113:2619:59
14:42
-0:26
21M
21.00 mi16:05:274:44:5413:3416:13
16:13
+1:31
35K
21.75 mi16:15:514:55:1813:3510:24
13:54
-2:19
23M
23.00 mi16:34:195:13:4613:3918:28
14:45
+0:51
24M
24.00 mi16:48:045:27:3113:3913:45
13:45
-1:00
40K
24.85 mi17:01:085:40:3513:4213:04
15:17
+1:32
25.2M
25.20 mi17:06:255:45:5213:445:17
15:19
+0:02
Finish
26.22 mi17:21:086:00:3513:4614:43
14:26
-0:53

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

11:23 /mi

Average Pace

13:46 /mi

Slowest Pace

16:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:46

38% of race

Time at Steady Pace

2:22:15

39% of race

Time at Slower Pace

1:21:34

23% of race

Average Pace: 13:45 /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 mi11:55:5435:2111:2335:21
11:23
#27917
10K
6.21 mi12:34:341:14:0111:5538:40
12:27
#28090
15K
9.32 mi13:14:231:53:5012:1339:49
12:49
#28104
20K
12.43 mi13:57:422:37:0912:3943:19
13:57
#28183
Half
13.11 mi14:06:532:46:2012:419:11
13:28
#28183
25K
15.53 mi14:42:153:21:4212:5935:22
14:35
#28198
30K
18.64 mi15:29:154:08:4213:2047:00
15:08
#28224
20M
20.00 mi15:49:144:28:4113:2619:59
14:42
#28212
21M
21.00 mi16:05:274:44:5413:3416:13
16:13
#28215
35K
21.75 mi16:15:514:55:1813:3510:24
13:54
#28210
23M
23.00 mi16:34:195:13:4613:3918:28
14:45
#28202
24M
24.00 mi16:48:045:27:3113:3913:45
13:45
#28188
40K
24.85 mi17:01:085:40:3513:4213:04
15:17
#28190
25.2M
25.20 mi17:06:255:45:5213:445:17
15:19
#28185
Finish
26.22 mi17:21:086:00:3513:4614:43
14:26
#28203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi27917119061190628092(Top 99%)12037(Top 98%)12037(Top 16954%)
10K6.21 mi3.10 mi28090-17312027-12112027-12128162(Top 99%)12080(Top 99%)12080(Top 17014%)
15K9.32 mi3.11 mi28104-1412036-912036-928092(Top 99%)12037(Top 98%)12037(Top 16954%)
20K12.43 mi3.11 mi28183-7912091-5512091-5528230(Top 99%)12141(Top 99%)12141(Top 17100%)
Half13.11 mi0.68 mi2818312092-112092-128158(Top 99%)12102(Top 99%)12102(Top 17045%)
25K15.53 mi2.42 mi28198-1512108-1612108-1628125(Top 99%)12087(Top 99%)12087(Top 17024%)
30K18.64 mi3.11 mi28224-2612128-2012128-2028077(Top 99%)12087(Top 99%)12087(Top 17024%)
20M20.00 mi1.36 mi28212+1212123+512123+527742(Top 98%)11940(Top 98%)11940(Top 16817%)
21M21.00 mi1.00 mi28215-312126-312126-327905(Top 98%)12010(Top 98%)12010(Top 16915%)
35K21.75 mi0.75 mi28210+512127-112127-127624(Top 97%)11921(Top 97%)11921(Top 16790%)
23M23.00 mi1.25 mi28202+8121271212727791(Top 98%)11998(Top 98%)11998(Top 16899%)
24M24.00 mi1.00 mi28188+1412123+412123+427490(Top 97%)11881(Top 97%)11881(Top 16734%)
40K24.85 mi0.85 mi28190-212127-412127-427883(Top 98%)12050(Top 99%)12050(Top 16972%)
25.2M25.20 mi0.35 mi28185+512124+312124+327334(Top 96%)11821(Top 97%)11821(Top 16649%)
Finish26.22 mi1.02 mi28203-1812133-912133-928154(Top 99%)12146(Top 99%)12146(Top 17107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

28092

Females

12037

F70-74

12037

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28162

Females

12080

F70-74

12080

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

28092

Females

12037

F70-74

12037

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

28230

Females

12141

F70-74

12141

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28158

Females

12102

F70-74

12102

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28125

Females

12087

F70-74

12087

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28077

Females

12087

F70-74

12087

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27742

Females

11940

F70-74

11940

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27905

Females

12010

F70-74

12010

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27624

Females

11921

F70-74

11921

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27791

Females

11998

F70-74

11998

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27490

Females

11881

F70-74

11881

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27883

Females

12050

F70-74

12050

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27334

Females

11821

F70-74

11821

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28154

Females

12146

F70-74

12146

Passing Analysis

Category:
Athletes Passed
212
Passed By
498
Net Change
-286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27917
5K → 10K20193-173#27917#28090
10K → 15K3751-14#28090#28104
15K → 20K1594-79#28104#28183
20K → Half11110#28183#28183
Half → 25K1631-15#28183#28198
25K → 30K2046-26#28198#28224
30K → 20M208+12#28224#28212
20M → 21M1215-3#28212#28215
21M → 35K116+5#28215#28210
35K → 23M146+8#28210#28202
23M → 24M206+14#28202#28188
24M → 40K810-2#28188#28190
40K → 25.2M61+5#28190#28185
25.2M → Finish220-18#28185#28203
TOTALS212498-286
📊

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