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BOSTON MARATHON 2025

Kimmie Jacobs

Bib: 24658•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:14
Rank: #21342
Start → 5K
8:46/mi
27:14 split
10K· 6.21 mi
54:34
Rank: #21360 (-18)
5K → 10K
8:48/mi
27:20 split
15K· 9.32 mi
1:21:50
Rank: #21151 (+209)
10K → 15K
8:47/mi
27:16 split
20K· 12.43 mi
1:50:40
Rank: #21468 (-317)
15K → 20K
9:17/mi
28:50 split
Half· 13.11 mi
1:56:39
Rank: #21423 (+45)
20K → Half
8:46/mi
5:59 split
25K· 15.53 mi
2:19:00
Rank: #21336 (+87)
Half → 25K
9:13/mi
22:21 split
30K· 18.64 mi
2:48:23
Rank: #21026 (+310)
25K → 30K
9:27/mi
29:23 split
20M
3:01:02
Rank: #20799 (+227)
30K → 20M
9:19/mi
12:39 split
21M
3:11:08
Rank: #20649 (+150)
20M → 21M
10:06/mi
10:06 split
35K· 21.75 mi
3:17:40
Rank: #20536 (+113)
21M → 35K
8:44/mi
6:32 split
23M
3:28:41
Rank: #20252 (+284)
35K → 23M
8:48/mi
11:01 split
24M
3:37:13
Rank: #20058 (+194)
23M → 24M
8:32/mi
8:32 split
40K· 24.85 mi
3:44:50
Rank: #19908 (+150)
24M → 40K
8:54/mi
7:37 split
25.2M
3:48:09
Rank: #19831 (+77)
40K → 25.2M
9:37/mi
3:19 split
Finish· 26.22 mi
3:56:48
Rank: #19704 (+127)
25.2M → Finish
8:29/mi
8:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:39
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:00:09
Pace9:10 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2827:148:4627:14
8:46
-
10K
6.21 mi11:54:4854:348:4727:20
8:48
+0:02
15K
9.32 mi12:22:041:21:508:4727:16
8:47
-0:01
20K
12.43 mi12:50:541:50:408:5428:50
9:17
+0:30
Half
13.11 mi12:56:531:56:398:545:59
8:46
-0:31
25K
15.53 mi13:19:142:19:008:5722:21
9:13
+0:27
30K
18.64 mi13:48:372:48:239:0229:23
9:27
+0:14
20M
20.00 mi14:01:163:01:029:0312:39
9:19
-0:08
21M
21.00 mi14:11:223:11:089:0610:06
10:06
+0:47
35K
21.75 mi14:17:543:17:409:056:32
8:44
-1:22
23M
23.00 mi14:28:553:28:419:0411:01
8:48
+0:04
24M
24.00 mi14:37:273:37:139:038:32
8:32
-0:16
40K
24.85 mi14:45:043:44:509:037:37
8:54
+0:22
25.2M
25.20 mi14:48:233:48:099:033:19
9:37
+0:43
Finish
26.22 mi14:57:023:56:489:028:39
8:29
-1:08

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

8:29 /mi

Average Pace

9:02 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:00

82% of race

Time at Steady Pace

32:42

14% of race

Time at Slower Pace

10:06

4% of race

Average Pace: 9:02 /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 mi11:27:2827:148:4627:14
8:46
#21342
10K
6.21 mi11:54:4854:348:4727:20
8:48
#21360
15K
9.32 mi12:22:041:21:508:4727:16
8:47
#21151
20K
12.43 mi12:50:541:50:408:5428:50
9:17
#21468
Half
13.11 mi12:56:531:56:398:545:59
8:46
#21423
25K
15.53 mi13:19:142:19:008:5722:21
9:13
#21336
30K
18.64 mi13:48:372:48:239:0229:23
9:27
#21026
20M
20.00 mi14:01:163:01:029:0312:39
9:19
#20799
21M
21.00 mi14:11:223:11:089:0610:06
10:06
#20649
35K
21.75 mi14:17:543:17:409:056:32
8:44
#20536
23M
23.00 mi14:28:553:28:419:0411:01
8:48
#20252
24M
24.00 mi14:37:273:37:139:038:32
8:32
#20058
40K
24.85 mi14:45:043:44:509:037:37
8:54
#19908
25.2M
25.20 mi14:48:233:48:099:033:19
9:37
#19831
Finish
26.22 mi14:57:023:56:489:028:39
8:29
#19704
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi213428265826520920(Top 74%)7952(Top 65%)7952(Top 800%)
10K6.21 mi3.10 mi21360-188251+148251+1421397(Top 75%)8250(Top 67%)8250(Top 830%)
15K9.32 mi3.11 mi21151+2098119+1328119+13220920(Top 74%)7952(Top 65%)7952(Top 800%)
20K12.43 mi3.11 mi21468-3178300-1818300-18122216(Top 78%)8706(Top 71%)8706(Top 876%)
Half13.11 mi0.68 mi21423+458273+278273+2720790(Top 73%)7916(Top 65%)7916(Top 796%)
25K15.53 mi2.42 mi21336+878233+408233+4020839(Top 73%)7996(Top 65%)7996(Top 804%)
30K18.64 mi3.11 mi21026+3108102+1318102+13119780(Top 70%)7538(Top 62%)7538(Top 758%)
20M20.00 mi1.36 mi20799+2277995+1077995+10718358(Top 65%)6931(Top 57%)6931(Top 697%)
21M21.00 mi1.00 mi20649+1507932+637932+6318693(Top 66%)7175(Top 59%)7175(Top 722%)
35K21.75 mi0.75 mi20536+1137884+487884+4816957(Top 60%)6327(Top 52%)6327(Top 637%)
23M23.00 mi1.25 mi20252+2847761+1237761+12315145(Top 53%)5424(Top 44%)5424(Top 546%)
24M24.00 mi1.00 mi20058+1947669+927669+9214780(Top 52%)5268(Top 43%)5268(Top 530%)
40K24.85 mi0.85 mi19908+1507607+627607+6215843(Top 56%)5972(Top 49%)5972(Top 601%)
25.2M25.20 mi0.35 mi19831+777574+337574+3315300(Top 54%)5741(Top 47%)5741(Top 578%)
Finish26.22 mi1.02 mi19704+1277521+537521+5316196(Top 57%)6140(Top 50%)6140(Top 618%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

20920

Females

7952

F55-59

7952

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21397

Females

8250

F55-59

8250

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

20920

Females

7952

F55-59

7952

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22216

Females

8706

F55-59

8706

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20790

Females

7916

F55-59

7916

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20839

Females

7996

F55-59

7996

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19780

Females

7538

F55-59

7538

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18358

Females

6931

F55-59

6931

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18693

Females

7175

F55-59

7175

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16957

Females

6327

F55-59

6327

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15145

Females

5424

F55-59

5424

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14780

Females

5268

F55-59

5268

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15843

Females

5972

F55-59

5972

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15300

Females

5741

F55-59

5741

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16196

Females

6140

F55-59

6140

Passing Analysis

Category:
Athletes Passed
2699
Passed By
1061
Net Change
+1638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21342
5K → 10K274292-18#21342#21360
10K → 15K317108+209#21360#21151
15K → 20K116433-317#21151#21468
20K → Half5712+45#21468#21423
Half → 25K18497+87#21423#21336
25K → 30K36757+310#21336#21026
30K → 20M23811+227#21026#20799
20M → 21M17626+150#20799#20649
21M → 35K1185+113#20649#20536
35K → 23M2851+284#20536#20252
23M → 24M1940+194#20252#20058
24M → 40K1577+150#20058#19908
40K → 25.2M792+77#19908#19831
25.2M → Finish13710+127#19831#19704
TOTALS26991061+1638
📊

Passing Visuals

Category:
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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