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BOSTON MARATHON 2025

Kimberly Casey

Bib: 18871•F

NS

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #15767
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
49:04
Rank: #15643 (+124)
5K → 10K
24:30 | 7:53/mi
15K· 9.32 mi
1:13:17
Rank: #15190 (+453)
10K → 15K
24:13 | 7:48/mi
20K· 12.43 mi
1:37:41
Rank: #14752 (+438)
15K → 20K
24:24 | 7:51/mi
Half· 13.11 mi
1:42:59
Rank: #14717 (+35)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:01:55
Rank: #14300 (+417)
Half → 25K
18:56 | 7:49/mi
30K· 18.64 mi
2:26:35
Rank: #13595 (+705)
25K → 30K
24:40 | 7:56/mi
20M
2:37:32
Rank: #13352 (+243)
30K → 20M
10:57 | 8:03/mi
21M
2:45:58
Rank: #13115 (+237)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:51:53
Rank: #13043 (+72)
21M → 35K
5:55 | 7:55/mi
23M
3:02:10
Rank: #12920 (+123)
35K → 23M
10:17 | 8:13/mi
24M
3:10:24
Rank: #12912 (+8)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:17:29
Rank: #12862 (+50)
24M → 40K
7:05 | 8:17/mi
25.2M
3:20:37
Rank: #12850 (+12)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:28:57
Rank: #12890 (-40)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:59
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2824:347:5424:34
7:54
-
10K
6.21 mi11:40:5849:047:5424:30
7:53
-0:01
15K
9.32 mi12:05:111:13:177:5224:13
7:48
-0:05
20K
12.43 mi12:29:351:37:417:5224:24
7:51
+0:03
Half
13.11 mi12:34:531:42:597:515:18
7:46
-0:05
25K
15.53 mi12:53:492:01:557:5118:56
7:49
+0:03
30K
18.64 mi13:18:292:26:357:5224:40
7:56
+0:07
20M
20.00 mi13:29:262:37:327:5310:57
8:03
+0:07
21M
21.00 mi13:37:522:45:587:548:26
8:26
+0:23
35K
21.75 mi13:43:472:51:537:545:55
7:55
-0:31
23M
23.00 mi13:54:043:02:107:5510:17
8:13
+0:18
24M
24.00 mi14:02:183:10:247:568:14
8:14
+0:01
40K
24.85 mi14:09:233:17:297:577:05
8:17
+0:03
25.2M
25.20 mi14:12:313:20:377:583:08
9:05
+0:48
Finish
26.22 mi14:20:513:28:577:598:20
8:11
-0:54

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

7:46 /mi

Average Pace

7:59 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:49

99% of race

Time at Steady Pace

3:08

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:16:2824:347:5424:34
7:54
#15767
10K
6.21 mi11:40:5849:047:5424:30
7:53
#15643
15K
9.32 mi12:05:111:13:177:5224:13
7:48
#15190
20K
12.43 mi12:29:351:37:417:5224:24
7:51
#14752
Half
13.11 mi12:34:531:42:597:515:18
7:46
#14717
25K
15.53 mi12:53:492:01:557:5118:56
7:49
#14300
30K
18.64 mi13:18:292:26:357:5224:40
7:56
#13595
20M
20.00 mi13:29:262:37:327:5310:57
8:03
#13352
21M
21.00 mi13:37:522:45:587:548:26
8:26
#13115
35K
21.75 mi13:43:472:51:537:545:55
7:55
#13043
23M
23.00 mi13:54:043:02:107:5510:17
8:13
#12920
24M
24.00 mi14:02:183:10:247:568:14
8:14
#12912
40K
24.85 mi14:09:233:17:297:577:05
8:17
#12862
25.2M
25.20 mi14:12:313:20:377:583:08
9:05
#12850
Finish
26.22 mi14:20:513:28:577:598:20
8:11
#12890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157674996499614335(Top 50%)4223(Top 35%)4223(Top 77%)
10K6.21 mi3.10 mi15643+1244919+774919+7715568(Top 55%)4867(Top 40%)4867(Top 89%)
15K9.32 mi3.11 mi15190+4534674+2454674+24514335(Top 50%)4223(Top 35%)4223(Top 77%)
20K12.43 mi3.11 mi14752+4384443+2314443+23113718(Top 48%)3937(Top 32%)3937(Top 72%)
Half13.11 mi0.68 mi14717+354421+224421+2214031(Top 49%)4064(Top 33%)4064(Top 74%)
25K15.53 mi2.42 mi14300+4174217+2044217+20412455(Top 44%)3371(Top 28%)3371(Top 62%)
30K18.64 mi3.11 mi13595+7053878+3393878+33910977(Top 39%)2778(Top 23%)2778(Top 51%)
20M20.00 mi1.36 mi13352+2433773+1053773+10510857(Top 38%)2873(Top 23%)2873(Top 53%)
21M21.00 mi1.00 mi13115+2373670+1033670+10310098(Top 36%)2664(Top 22%)2664(Top 49%)
35K21.75 mi0.75 mi13043+723645+253645+2511679(Top 41%)3481(Top 28%)3481(Top 64%)
23M23.00 mi1.25 mi12920+1233618+273618+2711458(Top 40%)3461(Top 28%)3461(Top 63%)
24M24.00 mi1.00 mi12912+83655-373655-3712824(Top 45%)4224(Top 35%)4224(Top 77%)
40K24.85 mi0.85 mi12862+503656-13656-112082(Top 43%)3955(Top 32%)3955(Top 72%)
25.2M25.20 mi0.35 mi12850+123664-83664-812332(Top 43%)4131(Top 34%)4131(Top 76%)
Finish26.22 mi1.02 mi12890-403702-383702-3814137(Top 50%)5013(Top 41%)5013(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14335

Females

4223

F18-39

4223

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15568

Females

4867

F18-39

4867

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14335

Females

4223

F18-39

4223

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13718

Females

3937

F18-39

3937

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

14031

Females

4064

F18-39

4064

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12455

Females

3371

F18-39

3371

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10977

Females

2778

F18-39

2778

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10857

Females

2873

F18-39

2873

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10098

Females

2664

F18-39

2664

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11679

Females

3481

F18-39

3481

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11458

Females

3461

F18-39

3461

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12824

Females

4224

F18-39

4224

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12082

Females

3955

F18-39

3955

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12332

Females

4131

F18-39

4131

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14137

Females

5013

F18-39

5013

Passing Analysis

Category:
Athletes Passed
3562
Passed By
685
Net Change
+2877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15767
5K → 10K387263+124#15767#15643
10K → 15K48431+453#15643#15190
15K → 20K46325+438#15190#14752
20K → Half5217+35#14752#14717
Half → 25K42811+417#14717#14300
25K → 30K7116+705#14300#13595
30K → 20M25815+243#13595#13352
20M → 21M25114+237#13352#13115
21M → 35K8513+72#13115#13043
35K → 23M16845+123#13043#12920
23M → 24M8678+8#12920#12912
24M → 40K9141+50#12912#12862
40K → 25.2M3725+12#12862#12850
25.2M → Finish61101-40#12850#12890
TOTALS3562685+2877
📊

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