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BOSTON MARATHON 2025

Katherine Martin

Bib: 9487•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:56
Rank: #8310
Start → 5K
21:56 | 7:04/mi
10K· 6.21 mi
43:53
Rank: #8369 (-59)
5K → 10K
21:57 | 7:04/mi
15K· 9.32 mi
1:05:46
Rank: #8170 (+199)
10K → 15K
21:53 | 7:03/mi
20K· 12.43 mi
1:27:45
Rank: #7902 (+268)
15K → 20K
21:59 | 7:05/mi
Half· 13.11 mi
1:32:30
Rank: #7867 (+35)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:49:36
Rank: #7624 (+243)
Half → 25K
17:06 | 7:03/mi
30K· 18.64 mi
2:11:47
Rank: #7149 (+475)
25K → 30K
22:11 | 7:08/mi
20M
2:21:29
Rank: #6862 (+287)
30K → 20M
9:42 | 7:08/mi
21M
2:29:01
Rank: #6676 (+186)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:34:19
Rank: #6602 (+74)
21M → 35K
5:18 | 7:05/mi
23M
2:43:19
Rank: #6419 (+183)
35K → 23M
9:00 | 7:11/mi
24M
2:50:16
Rank: #6279 (+140)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:56:14
Rank: #6131 (+148)
24M → 40K
5:58 | 6:59/mi
25.2M
2:58:50
Rank: #6055 (+76)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:05:43
Rank: #5907 (+148)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:30
Pace7:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:13
Pace7:07 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1821:567:0421:56
7:04
-
10K
6.21 mi11:09:1543:537:0421:57
7:04
0:00
15K
9.32 mi11:31:081:05:467:0321:53
7:03
-0:01
20K
12.43 mi11:53:071:27:457:0421:59
7:05
+0:02
Half
13.11 mi11:57:521:32:307:034:45
6:58
-0:07
25K
15.53 mi12:14:581:49:367:0317:06
7:03
+0:05
30K
18.64 mi12:37:092:11:477:0422:11
7:08
+0:05
20M
20.00 mi12:46:512:21:297:049:42
7:08
0:00
21M
21.00 mi12:54:232:29:017:067:32
7:32
+0:24
35K
21.75 mi12:59:412:34:197:065:18
7:05
-0:27
23M
23.00 mi13:08:412:43:197:069:00
7:11
+0:06
24M
24.00 mi13:15:382:50:167:066:57
6:57
-0:14
40K
24.85 mi13:21:362:56:147:055:58
6:59
+0:02
25.2M
25.20 mi13:24:122:58:507:062:36
7:32
+0:33
Finish
26.22 mi13:31:053:05:437:056:53
6:45
-0:47

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

6:45 /mi

Average Pace

7:05 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:35

95% of race

Time at Steady Pace

10:08

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:47:1821:567:0421:56
7:04
#8310
10K
6.21 mi11:09:1543:537:0421:57
7:04
#8369
15K
9.32 mi11:31:081:05:467:0321:53
7:03
#8170
20K
12.43 mi11:53:071:27:457:0421:59
7:05
#7902
Half
13.11 mi11:57:521:32:307:034:45
6:58
#7867
25K
15.53 mi12:14:581:49:367:0317:06
7:03
#7624
30K
18.64 mi12:37:092:11:477:0422:11
7:08
#7149
20M
20.00 mi12:46:512:21:297:049:42
7:08
#6862
21M
21.00 mi12:54:232:29:017:067:32
7:32
#6676
35K
21.75 mi12:59:412:34:197:065:18
7:05
#6602
23M
23.00 mi13:08:412:43:197:069:00
7:11
#6419
24M
24.00 mi13:15:382:50:167:066:57
6:57
#6279
40K
24.85 mi13:21:362:56:147:055:58
6:59
#6131
25.2M
25.20 mi13:24:122:58:507:062:36
7:32
#6055
Finish
26.22 mi13:31:053:05:437:056:53
6:45
#5907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8310109610967923(Top 28%)1002(Top 8%)1002(Top 18%)
10K6.21 mi3.10 mi8369-591132-361132-368396(Top 30%)1140(Top 9%)1140(Top 21%)
15K9.32 mi3.11 mi8170+1991069+631069+637923(Top 28%)1002(Top 8%)1002(Top 18%)
20K12.43 mi3.11 mi7902+268991+78991+787384(Top 26%)887(Top 7%)887(Top 16%)
Half13.11 mi0.68 mi7867+35979+12979+127347(Top 26%)845(Top 7%)845(Top 15%)
25K15.53 mi2.42 mi7624+243913+66913+666666(Top 23%)767(Top 6%)767(Top 14%)
30K18.64 mi3.11 mi7149+475820+93820+935564(Top 20%)567(Top 5%)567(Top 10%)
20M20.00 mi1.36 mi6862+287764+56764+564899(Top 17%)480(Top 4%)480(Top 9%)
21M21.00 mi1.00 mi6676+186743+21743+214809(Top 17%)563(Top 5%)563(Top 10%)
35K21.75 mi0.75 mi6602+74740+3740+35925(Top 21%)893(Top 7%)893(Top 16%)
23M23.00 mi1.25 mi6419+183714+26714+264821(Top 17%)619(Top 5%)619(Top 11%)
24M24.00 mi1.00 mi6279+140694+20694+204394(Top 15%)553(Top 5%)553(Top 10%)
40K24.85 mi0.85 mi6131+148672+22672+223815(Top 13%)460(Top 4%)460(Top 8%)
25.2M25.20 mi0.35 mi6055+76665+7665+73675(Top 13%)477(Top 4%)477(Top 9%)
Finish26.22 mi1.02 mi5907+148645+20645+204264(Top 15%)619(Top 5%)619(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7923

Females

1002

F18-39

1002

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8396

Females

1140

F18-39

1140

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7923

Females

1002

F18-39

1002

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7384

Females

887

F18-39

887

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7347

Females

845

F18-39

845

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6666

Females

767

F18-39

767

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5564

Females

567

F18-39

567

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4899

Females

480

F18-39

480

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4809

Females

563

F18-39

563

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5925

Females

893

F18-39

893

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4821

Females

619

F18-39

619

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4394

Females

553

F18-39

553

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3815

Females

460

F18-39

460

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3675

Females

477

F18-39

477

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4264

Females

619

F18-39

619

Passing Analysis

Category:
Athletes Passed
2822
Passed By
419
Net Change
+2403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8310
5K → 10K191250-59#8310#8369
10K → 15K26061+199#8369#8170
15K → 20K29628+268#8170#7902
20K → Half427+35#7902#7867
Half → 25K25714+243#7867#7624
25K → 30K48510+475#7624#7149
30K → 20M2892+287#7149#6862
20M → 21M1948+186#6862#6676
21M → 35K9117+74#6676#6602
35K → 23M1885+183#6602#6419
23M → 24M1477+140#6419#6279
24M → 40K1535+148#6279#6131
40K → 25.2M760+76#6131#6055
25.2M → Finish1535+148#6055#5907
TOTALS2822419+2403
📊

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