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BOSTON MARATHON 2025

Kari Jensen

Bib: 27552•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
37:07
Rank: #28217
Start → 5K
37:07 | 11:57/mi
10K· 6.21 mi
1:15:43
Rank: #28211 (+6)
5K → 10K
38:36 | 12:25/mi
15K· 9.32 mi
1:54:03
Rank: #28118 (+93)
10K → 15K
38:20 | 12:20/mi
20K· 12.43 mi
2:32:44
Rank: #27996 (+122)
15K → 20K
38:41 | 12:27/mi
Half· 13.11 mi
2:40:58
Rank: #27965 (+31)
20K → Half
8:14 | 12:04/mi
25K· 15.53 mi
3:12:04
Rank: #27863 (+102)
Half → 25K
31:06 | 12:50/mi
30K· 18.64 mi
3:56:14
Rank: #27857 (+6)
25K → 30K
44:10 | 14:13/mi
20M
4:15:15
Rank: #27832 (+25)
30K → 20M
19:01 | 14:00/mi
21M
4:30:11
Rank: #27806 (+26)
20M → 21M
14:56 | 14:56/mi
35K· 21.75 mi
4:40:40
Rank: #27807 (-1)
21M → 35K
10:29 | 14:01/mi
23M
4:58:20
Rank: #27806 (+1)
35K → 23M
17:40 | 14:07/mi
24M
5:11:20
Rank: #27784 (+22)
23M → 24M
13:00 | 13:00/mi
40K· 24.85 mi
5:22:57
Rank: #27766 (+18)
24M → 40K
11:37 | 13:35/mi
25.2M
5:28:03
Rank: #27761 (+5)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
5:40:33
Rank: #27740 (+21)
25.2M → Finish
12:30 | 12:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:40:58
Pace12:17 /mi
2nd Half
Distance13.11 mi
Time2:59:35
Pace13:42 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1937:0711:5737:07
11:57
-
10K
6.21 mi12:31:551:15:4312:1138:36
12:25
+0:28
15K
9.32 mi13:10:151:54:0312:1438:20
12:20
-0:05
20K
12.43 mi13:48:562:32:4412:1738:41
12:27
+0:07
Half
13.11 mi13:57:102:40:5812:178:14
12:04
-0:23
25K
15.53 mi14:28:163:12:0412:2231:06
12:50
+0:46
30K
18.64 mi15:12:263:56:1412:4044:10
14:13
+1:23
20M
20.00 mi15:31:274:15:1512:4619:01
14:00
-0:13
21M
21.00 mi15:46:234:30:1112:5214:56
14:56
+0:56
35K
21.75 mi15:56:524:40:4012:5410:29
14:01
-0:55
23M
23.00 mi16:14:324:58:2012:5817:40
14:07
+0:06
24M
24.00 mi16:27:325:11:2012:5813:00
13:00
-1:07
40K
24.85 mi16:39:095:22:5713:0011:37
13:35
+0:35
25.2M
25.20 mi16:44:155:28:0313:015:06
14:47
+1:12
Finish
26.22 mi16:56:455:40:3313:0012:30
12:16
-2:31

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

11:57 /mi

Average Pace

13:00 /mi

Slowest Pace

14:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:28

51% of race

Time at Steady Pace

44:06

13% of race

Time at Slower Pace

2:02:59

36% of race

Average Pace: 12:59 /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 mi11:53:1937:0711:5737:07
11:57
#28217
10K
6.21 mi12:31:551:15:4312:1138:36
12:25
#28211
15K
9.32 mi13:10:151:54:0312:1438:20
12:20
#28118
20K
12.43 mi13:48:562:32:4412:1738:41
12:27
#27996
Half
13.11 mi13:57:102:40:5812:178:14
12:04
#27965
25K
15.53 mi14:28:163:12:0412:2231:06
12:50
#27863
30K
18.64 mi15:12:263:56:1412:4044:10
14:13
#27857
20M
20.00 mi15:31:274:15:1512:4619:01
14:00
#27832
21M
21.00 mi15:46:234:30:1112:5214:56
14:56
#27806
35K
21.75 mi15:56:524:40:4012:5410:29
14:01
#27807
23M
23.00 mi16:14:324:58:2012:5817:40
14:07
#27806
24M
24.00 mi16:27:325:11:2012:5813:00
13:00
#27784
40K
24.85 mi16:39:095:22:5713:0011:37
13:35
#27766
25.2M
25.20 mi16:44:155:28:0313:015:06
14:47
#27761
Finish
26.22 mi16:56:455:40:3313:0012:30
12:16
#27740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi28217121031210327844(Top 98%)11883(Top 97%)11883(Top 655%)
10K6.21 mi3.10 mi28211+612105-212105-228149(Top 99%)12071(Top 99%)12071(Top 666%)
15K9.32 mi3.11 mi28118+9312044+6112044+6127844(Top 98%)11883(Top 97%)11883(Top 655%)
20K12.43 mi3.11 mi27996+12211973+7111973+7127481(Top 97%)11690(Top 96%)11690(Top 645%)
Half13.11 mi0.68 mi27965+3111951+2211951+2227496(Top 97%)11712(Top 96%)11712(Top 646%)
25K15.53 mi2.42 mi27863+10211896+5511896+5527176(Top 96%)11534(Top 94%)11534(Top 636%)
30K18.64 mi3.11 mi27857+611899-311899-327661(Top 97%)11871(Top 97%)11871(Top 655%)
20M20.00 mi1.36 mi27832+2511892+711892+727284(Top 96%)11698(Top 96%)11698(Top 645%)
21M21.00 mi1.00 mi27806+2611884+811884+827090(Top 95%)11611(Top 95%)11611(Top 640%)
35K21.75 mi0.75 mi27807-111892-811892-827689(Top 97%)11951(Top 98%)11951(Top 659%)
23M23.00 mi1.25 mi27806+111894-211894-227409(Top 96%)11808(Top 97%)11808(Top 651%)
24M24.00 mi1.00 mi27784+2211890+411890+426858(Top 95%)11566(Top 95%)11566(Top 638%)
40K24.85 mi0.85 mi27766+1811883+711883+726834(Top 94%)11567(Top 95%)11567(Top 638%)
25.2M25.20 mi0.35 mi27761+5118831188326963(Top 95%)11648(Top 95%)11648(Top 642%)
Finish26.22 mi1.02 mi27740+2111878+511878+527074(Top 95%)11665(Top 95%)11665(Top 643%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

27844

Females

11883

F45-49

11883

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28149

Females

12071

F45-49

12071

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

27844

Females

11883

F45-49

11883

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27481

Females

11690

F45-49

11690

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27496

Females

11712

F45-49

11712

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27176

Females

11534

F45-49

11534

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27661

Females

11871

F45-49

11871

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27284

Females

11698

F45-49

11698

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

27090

Females

11611

F45-49

11611

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27689

Females

11951

F45-49

11951

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27409

Females

11808

F45-49

11808

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26858

Females

11566

F45-49

11566

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26834

Females

11567

F45-49

11567

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26963

Females

11648

F45-49

11648

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

27074

Females

11665

F45-49

11665

Passing Analysis

Category:
Athletes Passed
644
Passed By
167
Net Change
+477
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28217
5K → 10K3731+6#28217#28211
10K → 15K974+93#28211#28118
15K → 20K1242+122#28118#27996
20K → Half310+31#27996#27965
Half → 25K1086+102#27965#27863
25K → 30K5650+6#27863#27857
30K → 20M349+25#27857#27832
20M → 21M3913+26#27832#27806
21M → 35K1112-1#27806#27807
35K → 23M2423+1#27807#27806
23M → 24M286+22#27806#27784
24M → 40K202+18#27784#27766
40K → 25.2M116+5#27766#27761
25.2M → Finish243+21#27761#27740
TOTALS644167+477
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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