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BOSTON MARATHON 2025

Kathleen Butler

Bib: 10339•F

OH

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:49
Rank: #16499
Start → 5K
24:49 | 7:59/mi
10K· 6.21 mi
51:09
Rank: #18194 (-1695)
5K → 10K
26:20 | 8:29/mi
15K· 9.32 mi
1:16:35
Rank: #17867 (+327)
10K → 15K
25:26 | 8:11/mi
20K· 12.43 mi
1:42:18
Rank: #17558 (+309)
15K → 20K
25:43 | 8:17/mi
Half· 13.11 mi
1:47:59
Rank: #17594 (-36)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:08:34
Rank: #17458 (+136)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:36:28
Rank: #17427 (+31)
25K → 30K
27:54 | 8:59/mi
20M
2:48:07
Rank: #17172 (+255)
30K → 20M
11:39 | 8:34/mi
21M
2:57:07
Rank: #16914 (+258)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
3:04:18
Rank: #17106 (-192)
21M → 35K
7:11 | 9:36/mi
23M
3:14:53
Rank: #16836 (+270)
35K → 23M
10:35 | 8:27/mi
24M
3:23:11
Rank: #16665 (+171)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:30:26
Rank: #16519 (+146)
24M → 40K
7:15 | 8:29/mi
25.2M
3:33:34
Rank: #16447 (+72)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:41:34
Rank: #16261 (+186)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0724:497:5924:49
7:59
-
10K
6.21 mi11:23:2751:098:1426:20
8:29
+0:30
15K
9.32 mi11:48:531:16:358:1325:26
8:11
-0:18
20K
12.43 mi12:14:361:42:188:1425:43
8:17
+0:06
Half
13.11 mi12:20:171:47:598:145:41
8:20
+0:03
25K
15.53 mi12:40:522:08:348:1720:35
8:29
+0:09
30K
18.64 mi13:08:462:36:288:2427:54
8:59
+0:30
20M
20.00 mi13:20:252:48:078:2411:39
8:34
-0:25
21M
21.00 mi13:29:252:57:078:269:00
9:00
+0:26
35K
21.75 mi13:36:363:04:188:287:11
9:36
+0:36
23M
23.00 mi13:47:113:14:538:2810:35
8:27
-1:09
24M
24.00 mi13:55:293:23:118:288:18
8:18
-0:09
40K
24.85 mi14:02:443:30:268:287:15
8:29
+0:11
25.2M
25.20 mi14:05:523:33:348:283:08
9:05
+0:36
Finish
26.22 mi14:13:523:41:348:278:00
7:51
-1:14

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

7:51 /mi

Average Pace

8:27 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:15

26% of race

Time at Steady Pace

1:56:06

52% of race

Time at Slower Pace

47:13

21% of race

Average Pace: 8:27 /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 mi10:57:0724:497:5924:49
7:59
#16499
10K
6.21 mi11:23:2751:098:1426:20
8:29
#18194
15K
9.32 mi11:48:531:16:358:1325:26
8:11
#17867
20K
12.43 mi12:14:361:42:188:1425:43
8:17
#17558
Half
13.11 mi12:20:171:47:598:145:41
8:20
#17594
25K
15.53 mi12:40:522:08:348:1720:35
8:29
#17458
30K
18.64 mi13:08:462:36:288:2427:54
8:59
#17427
20M
20.00 mi13:20:252:48:078:2411:39
8:34
#17172
21M
21.00 mi13:29:252:57:078:269:00
9:00
#16914
35K
21.75 mi13:36:363:04:188:287:11
9:36
#17106
23M
23.00 mi13:47:113:14:538:2810:35
8:27
#16836
24M
24.00 mi13:55:293:23:118:288:18
8:18
#16665
40K
24.85 mi14:02:443:30:268:287:15
8:29
#16519
25.2M
25.20 mi14:05:523:33:348:283:08
9:05
#16447
Finish
26.22 mi14:13:523:41:348:278:00
7:51
#16261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164995450545017320(Top 61%)5911(Top 48%)5911(Top 108%)
10K6.21 mi3.10 mi18194-16956447-9976447-99719659(Top 69%)7277(Top 60%)7277(Top 133%)
15K9.32 mi3.11 mi17867+3276245+2026245+20217320(Top 61%)5911(Top 48%)5911(Top 108%)
20K12.43 mi3.11 mi17558+3096070+1756070+17516810(Top 59%)5671(Top 46%)5671(Top 104%)
Half13.11 mi0.68 mi17594-366091-216091-2118119(Top 64%)6369(Top 52%)6369(Top 116%)
25K15.53 mi2.42 mi17458+1366032+596032+5917134(Top 60%)5931(Top 49%)5931(Top 108%)
30K18.64 mi3.11 mi17427+316072-406072-4017589(Top 62%)6353(Top 52%)6353(Top 116%)
20M20.00 mi1.36 mi17172+2555945+1275945+12714294(Top 50%)4668(Top 38%)4668(Top 85%)
21M21.00 mi1.00 mi16914+2585819+1265819+12613552(Top 48%)4400(Top 36%)4400(Top 80%)
35K21.75 mi0.75 mi17106-1925968-1495968-14920695(Top 73%)8341(Top 68%)8341(Top 153%)
23M23.00 mi1.25 mi16836+2705835+1335835+13313054(Top 46%)4311(Top 35%)4311(Top 79%)
24M24.00 mi1.00 mi16665+1715753+825753+8213301(Top 47%)4476(Top 37%)4476(Top 82%)
40K24.85 mi0.85 mi16519+1465700+535700+5313350(Top 47%)4637(Top 38%)4637(Top 85%)
25.2M25.20 mi0.35 mi16447+725664+365664+3612410(Top 44%)4209(Top 34%)4209(Top 77%)
Finish26.22 mi1.02 mi16261+1865577+875577+8711871(Top 42%)3879(Top 32%)3879(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17320

Females

5911

F18-39

5911

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19659

Females

7277

F18-39

7277

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17320

Females

5911

F18-39

5911

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16810

Females

5671

F18-39

5671

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18119

Females

6369

F18-39

6369

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

17134

Females

5931

F18-39

5931

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17589

Females

6353

F18-39

6353

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14294

Females

4668

F18-39

4668

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13552

Females

4400

F18-39

4400

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20695

Females

8341

F18-39

8341

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13054

Females

4311

F18-39

4311

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13301

Females

4476

F18-39

4476

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13350

Females

4637

F18-39

4637

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12410

Females

4209

F18-39

4209

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11871

Females

3879

F18-39

3879

Passing Analysis

Category:
Athletes Passed
2704
Passed By
2466
Net Change
+238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16499
5K → 10K201715-1695#16499#18194
10K → 15K38356+327#18194#17867
15K → 20K36051+309#17867#17558
20K → Half2864-36#17558#17594
Half → 25K22488+136#17594#17458
25K → 30K233202+31#17458#17427
30K → 20M2627+255#17427#17172
20M → 21M27214+258#17172#16914
21M → 35K25217-192#16914#17106
35K → 23M2788+270#17106#16836
23M → 24M1798+171#16836#16665
24M → 40K16115+146#16665#16519
40K → 25.2M775+72#16519#16447
25.2M → Finish20216+186#16447#16261
TOTALS27042466+238
📊

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