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BOSTON MARATHON 2025

Katie Harris

Bib: 18945•F

OH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #15654
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
49:17
Rank: #15955 (-301)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:13:54
Rank: #15750 (+205)
10K → 15K
24:37 | 7:55/mi
20K· 12.43 mi
1:38:20
Rank: #15218 (+532)
15K → 20K
24:26 | 7:52/mi
Half· 13.11 mi
1:43:33
Rank: #15086 (+132)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:02:38
Rank: #14668 (+418)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:27:30
Rank: #13982 (+686)
25K → 30K
24:52 | 8:00/mi
20M
2:38:28
Rank: #13697 (+285)
30K → 20M
10:58 | 8:04/mi
21M
2:46:47
Rank: #13412 (+285)
20M → 21M
8:19 | 8:19/mi
35K· 21.75 mi
2:52:19
Rank: #13197 (+215)
21M → 35K
5:32 | 7:24/mi
23M
3:02:09
Rank: #12914 (+283)
35K → 23M
9:50 | 7:51/mi
24M
3:09:55
Rank: #12740 (+174)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:16:35
Rank: #12563 (+177)
24M → 40K
6:40 | 7:48/mi
25.2M
3:19:29
Rank: #12471 (+92)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:27:05
Rank: #12299 (+172)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:32
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3324:327:5424:32
7:54
-
10K
6.21 mi11:40:1849:177:5624:45
7:58
+0:04
15K
9.32 mi12:04:551:13:547:5624:37
7:55
-0:03
20K
12.43 mi12:29:211:38:207:5524:26
7:52
-0:03
Half
13.11 mi12:34:341:43:337:545:13
7:39
-0:13
25K
15.53 mi12:53:392:02:387:5419:05
7:52
+0:13
30K
18.64 mi13:18:312:27:307:5524:52
8:00
+0:08
20M
20.00 mi13:29:292:38:287:5510:58
8:04
+0:04
21M
21.00 mi13:37:482:46:477:578:19
8:19
+0:15
35K
21.75 mi13:43:202:52:197:555:32
7:24
-0:55
23M
23.00 mi13:53:103:02:097:559:50
7:51
+0:27
24M
24.00 mi14:00:563:09:557:557:46
7:46
-0:05
40K
24.85 mi14:07:363:16:357:556:40
7:48
+0:02
25.2M
25.20 mi14:10:303:19:297:552:54
8:25
+0:37
Finish
26.22 mi14:18:063:27:057:547:36
7:27
-0:58

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

7:24 /mi

Average Pace

7:54 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:52

95% of race

Time at Steady Pace

11:13

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:15:3324:327:5424:32
7:54
#15654
10K
6.21 mi11:40:1849:177:5624:45
7:58
#15955
15K
9.32 mi12:04:551:13:547:5624:37
7:55
#15750
20K
12.43 mi12:29:211:38:207:5524:26
7:52
#15218
Half
13.11 mi12:34:341:43:337:545:13
7:39
#15086
25K
15.53 mi12:53:392:02:387:5419:05
7:52
#14668
30K
18.64 mi13:18:312:27:307:5524:52
8:00
#13982
20M
20.00 mi13:29:292:38:287:5510:58
8:04
#13697
21M
21.00 mi13:37:482:46:477:578:19
8:19
#13412
35K
21.75 mi13:43:202:52:197:555:32
7:24
#13197
23M
23.00 mi13:53:103:02:097:559:50
7:51
#12914
24M
24.00 mi14:00:563:09:557:557:46
7:46
#12740
40K
24.85 mi14:07:363:16:357:556:40
7:48
#12563
25.2M
25.20 mi14:10:303:19:297:552:54
8:25
#12471
Finish
26.22 mi14:18:063:27:057:547:36
7:27
#12299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi156544921492115419(Top 54%)4813(Top 39%)4813(Top 88%)
10K6.21 mi3.10 mi15955-3015107-1865107-18616195(Top 57%)5235(Top 43%)5235(Top 96%)
15K9.32 mi3.11 mi15750+2054984+1234984+12315419(Top 54%)4813(Top 39%)4813(Top 88%)
20K12.43 mi3.11 mi15218+5324706+2784706+27813796(Top 49%)3977(Top 33%)3977(Top 73%)
Half13.11 mi0.68 mi15086+1324629+774629+7713022(Top 46%)3508(Top 29%)3508(Top 64%)
25K15.53 mi2.42 mi14668+4184428+2014428+20112911(Top 45%)3620(Top 30%)3620(Top 66%)
30K18.64 mi3.11 mi13982+6864095+3334095+33311423(Top 40%)2993(Top 24%)2993(Top 55%)
20M20.00 mi1.36 mi13697+2853965+1303965+13010927(Top 38%)2914(Top 24%)2914(Top 53%)
21M21.00 mi1.00 mi13412+2853840+1253840+1259373(Top 33%)2332(Top 19%)2332(Top 43%)
35K21.75 mi0.75 mi13197+2153736+1043736+1047977(Top 28%)1694(Top 14%)1694(Top 31%)
23M23.00 mi1.25 mi12914+2833614+1223614+1229001(Top 32%)2267(Top 19%)2267(Top 41%)
24M24.00 mi1.00 mi12740+1743547+673547+679621(Top 34%)2627(Top 21%)2627(Top 48%)
40K24.85 mi0.85 mi12563+1773486+613486+618808(Top 31%)2378(Top 19%)2378(Top 43%)
25.2M25.20 mi0.35 mi12471+923456+303456+308383(Top 30%)2263(Top 19%)2263(Top 41%)
Finish26.22 mi1.02 mi12299+1723408+483408+488938(Top 31%)2512(Top 21%)2512(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15419

Females

4813

F18-39

4813

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16195

Females

5235

F18-39

5235

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15419

Females

4813

F18-39

4813

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13796

Females

3977

F18-39

3977

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13022

Females

3508

F18-39

3508

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12911

Females

3620

F18-39

3620

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11423

Females

2993

F18-39

2993

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10927

Females

2914

F18-39

2914

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9373

Females

2332

F18-39

2332

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7977

Females

1694

F18-39

1694

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9001

Females

2267

F18-39

2267

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9621

Females

2627

F18-39

2627

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8808

Females

2378

F18-39

2378

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8383

Females

2263

F18-39

2263

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8938

Females

2512

F18-39

2512

Passing Analysis

Category:
Athletes Passed
4072
Passed By
717
Net Change
+3355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15654
5K → 10K202503-301#15654#15955
10K → 15K315110+205#15955#15750
15K → 20K54917+532#15750#15218
20K → Half1342+132#15218#15086
Half → 25K43315+418#15086#14668
25K → 30K70014+686#14668#13982
30K → 20M29510+285#13982#13697
20M → 21M2872+285#13697#13412
21M → 35K2161+215#13412#13197
35K → 23M2896+283#13197#12914
23M → 24M18410+174#12914#12740
24M → 40K1869+177#12740#12563
40K → 25.2M964+92#12563#12471
25.2M → Finish18614+172#12471#12299
TOTALS4072717+3355
📊

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