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BOSTON MARATHON 2025

Kimberly Shah

Bib: 16840•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F45-49)
#0 / 1813
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
44:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:07:16
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:30:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:53:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:16:43
↑ 181↓ 1480.2%
20M
7:42/mi
2:27:11
↑ 64↓ 500.2%
21M
8:09/mi
2:35:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:40:50
↑ 17↓ 861.7%
23M
7:45/mi
2:50:32
↑ 23↓ 630.6%
24M
7:26/mi
2:57:58
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:04:26
↓ 200.3%
25.2M
8:19/mi
3:07:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:14:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:17
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1322:077:0722:07
7:07
-
10K
6.21 mi11:18:4344:377:1122:30
7:15
+0:08
15K
9.32 mi11:41:221:07:167:1322:39
7:17
+0:02
20K
12.43 mi12:04:251:30:197:1623:03
7:25
+0:08
Half
13.11 mi12:09:231:35:177:164:58
7:17
-0:08
25K
15.53 mi12:27:211:53:157:1717:58
7:25
+0:08
30K
18.64 mi12:50:492:16:437:2023:28
7:33
+0:08
20M
20.00 mi13:01:172:27:117:2210:28
7:42
+0:09
21M
21.00 mi13:09:262:35:207:248:09
8:09
+0:27
35K
21.75 mi13:14:562:40:507:245:30
7:21
-0:48
23M
23.00 mi13:24:382:50:327:259:42
7:45
+0:24
24M
24.00 mi13:32:042:57:587:257:26
7:26
-0:19
40K
24.85 mi13:38:323:04:267:256:28
7:34
+0:08
25.2M
25.20 mi13:41:243:07:187:262:52
8:19
+0:45
Finish
26.22 mi13:49:003:14:547:267:36
7:27
-0:52

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

7:07 /mi

Average Pace

7:26 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:53

94% of race

Time at Steady Pace

11:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:56:1322:077:0722:07
7:07
#8827
10K
6.21 mi11:18:4344:377:1122:30
7:15
#9294
15K
9.32 mi11:41:221:07:167:1322:39
7:17
#9473
20K
12.43 mi12:04:251:30:197:1623:03
7:25
#9578
Half
13.11 mi12:09:231:35:177:164:58
7:17
#9584
25K
15.53 mi12:27:211:53:157:1717:58
7:25
#9488
30K
18.64 mi12:50:492:16:437:2023:28
7:33
#9148
20M
20.00 mi13:01:172:27:117:2210:28
7:42
#9043
21M
21.00 mi13:09:262:35:207:248:09
8:09
#8965
35K
21.75 mi13:14:562:40:507:245:30
7:21
#8869
23M
23.00 mi13:24:382:50:327:259:42
7:45
#8769
24M
24.00 mi13:32:042:57:587:257:26
7:26
#8663
40K
24.85 mi13:38:323:04:267:256:28
7:34
#8548
25.2M
25.20 mi13:41:243:07:187:262:52
8:19
#8510
Finish
26.22 mi13:49:003:14:547:267:36
7:27
#8521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8827129912999929(Top 35%)1852(Top 15%)1852(Top 102%)
10K6.21 mi3.10 mi9294-4671500-2011500-2019876(Top 35%)1778(Top 15%)1778(Top 98%)
15K9.32 mi3.11 mi9473-1791588-881588-889929(Top 35%)1852(Top 15%)1852(Top 102%)
20K12.43 mi3.11 mi9578-1051681-931681-9310063(Top 35%)1982(Top 16%)1982(Top 109%)
Half13.11 mi0.68 mi9584-61689-81689-89861(Top 35%)1877(Top 15%)1877(Top 104%)
25K15.53 mi2.42 mi9488+961676+131676+139249(Top 33%)1745(Top 14%)1745(Top 96%)
30K18.64 mi3.11 mi9148+3401575+1011575+1018119(Top 29%)1441(Top 12%)1441(Top 79%)
20M20.00 mi1.36 mi9043+1051556+191556+198373(Top 29%)1694(Top 14%)1694(Top 93%)
21M21.00 mi1.00 mi8965+781561-51561-58277(Top 29%)1836(Top 15%)1836(Top 101%)
35K21.75 mi0.75 mi8869+961541+201541+207606(Top 27%)1535(Top 13%)1535(Top 85%)
23M23.00 mi1.25 mi8769+1001540+11540+18227(Top 29%)1908(Top 16%)1908(Top 105%)
24M24.00 mi1.00 mi8663+1061532+81532+87282(Top 26%)1571(Top 13%)1571(Top 87%)
40K24.85 mi0.85 mi8548+1151524+81524+87211(Top 25%)1641(Top 13%)1641(Top 91%)
25.2M25.20 mi0.35 mi8510+381527-31527-37765(Top 27%)1954(Top 16%)1954(Top 108%)
Finish26.22 mi1.02 mi8521-111553-261553-268909(Top 31%)2483(Top 20%)2483(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9929

Females

1852

F45-49

1852

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9876

Females

1778

F45-49

1778

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9929

Females

1852

F45-49

1852

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

10063

Females

1982

F45-49

1982

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9861

Females

1877

F45-49

1877

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9249

Females

1745

F45-49

1745

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8119

Females

1441

F45-49

1441

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8373

Females

1694

F45-49

1694

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8277

Females

1836

F45-49

1836

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7606

Females

1535

F45-49

1535

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8227

Females

1908

F45-49

1908

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7282

Females

1571

F45-49

1571

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7211

Females

1641

F45-49

1641

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7765

Females

1954

F45-49

1954

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8909

Females

2483

F45-49

2483

Passing Analysis

Category:
Athletes Passed
1904
Passed By
1598
Net Change
+306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8827
5K → 10K84551-467#8827#9294
10K → 15K98277-179#9294#9473
15K → 20K155260-105#9473#9578
20K → Half2733-6#9578#9584
Half → 25K200104+96#9584#9488
25K → 30K39454+340#9488#9148
30K → 20M15247+105#9148#9043
20M → 21M13456+78#9043#8965
21M → 35K11317+96#8965#8869
35K → 23M16161+100#8869#8769
23M → 24M12721+106#8769#8663
24M → 40K14631+115#8663#8548
40K → 25.2M5214+38#8548#8510
25.2M → Finish6172-11#8510#8521
TOTALS19041598+306
📊

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