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BOSTON MARATHON 2025

Karoline Etter

Bib: 26727•F

MA

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

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
27:51
Rank: #22268
Start → 5K
27:51 | 8:58/mi
10K· 6.21 mi
55:01
Rank: #21723 (+545)
5K → 10K
27:10 | 8:45/mi
15K· 9.32 mi
1:21:59
Rank: #21243 (+480)
10K → 15K
26:58 | 8:41/mi
20K· 12.43 mi
1:49:17
Rank: #20894 (+349)
15K → 20K
27:18 | 8:47/mi
Half· 13.11 mi
1:55:16
Rank: #20884 (+10)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:16:39
Rank: #20612 (+272)
Half → 25K
21:23 | 8:49/mi
30K· 18.64 mi
2:44:41
Rank: #20064 (+548)
25K → 30K
28:02 | 9:01/mi
20M
2:56:48
Rank: #19773 (+291)
30K → 20M
12:07 | 8:55/mi
21M
3:06:09
Rank: #19509 (+264)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:12:29
Rank: #19378 (+131)
21M → 35K
6:20 | 8:28/mi
23M
3:23:30
Rank: #19139 (+239)
35K → 23M
11:01 | 8:48/mi
24M
3:32:16
Rank: #19017 (+122)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:39:45
Rank: #18839 (+178)
24M → 40K
7:29 | 8:45/mi
25.2M
3:43:03
Rank: #18790 (+49)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:51:16
Rank: #18599 (+191)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:55:16
Pace8:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:56:00
Pace8:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5727:518:5827:51
8:58
-
10K
6.21 mi12:12:0755:018:5127:10
8:45
-0:13
15K
9.32 mi12:39:051:21:598:4826:58
8:41
-0:04
20K
12.43 mi13:06:231:49:178:4827:18
8:47
+0:06
Half
13.11 mi13:12:221:55:168:485:59
8:46
-0:01
25K
15.53 mi13:33:452:16:398:4821:23
8:49
+0:03
30K
18.64 mi14:01:472:44:418:5028:02
9:01
+0:12
20M
20.00 mi14:13:542:56:488:5012:07
8:55
-0:06
21M
21.00 mi14:23:153:06:098:529:21
9:21
+0:26
35K
21.75 mi14:29:353:12:298:516:20
8:28
-0:53
23M
23.00 mi14:40:363:23:308:5111:01
8:48
+0:20
24M
24.00 mi14:49:223:32:168:518:46
8:46
-0:02
40K
24.85 mi14:56:513:39:458:507:29
8:45
-0:01
25.2M
25.20 mi15:00:093:43:038:513:18
9:34
+0:49
Finish
26.22 mi15:08:223:51:168:508:13
8:04
-1:30

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

8:04 /mi

Average Pace

8:50 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:30:37

65% of race

Time at Steady Pace

1:17:21

33% of race

Time at Slower Pace

3:18

1% of race

Average Pace: 8:49 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:44:5727:518:5827:51
8:58
#22268
10K
6.21 mi12:12:0755:018:5127:10
8:45
#21723
15K
9.32 mi12:39:051:21:598:4826:58
8:41
#21243
20K
12.43 mi13:06:231:49:178:4827:18
8:47
#20894
Half
13.11 mi13:12:221:55:168:485:59
8:46
#20884
25K
15.53 mi13:33:452:16:398:4821:23
8:49
#20612
30K
18.64 mi14:01:472:44:418:5028:02
9:01
#20064
20M
20.00 mi14:13:542:56:488:5012:07
8:55
#19773
21M
21.00 mi14:23:153:06:098:529:21
9:21
#19509
35K
21.75 mi14:29:353:12:298:516:20
8:28
#19378
23M
23.00 mi14:40:363:23:308:5111:01
8:48
#19139
24M
24.00 mi14:49:223:32:168:518:46
8:46
#19017
40K
24.85 mi14:56:513:39:458:507:29
8:45
#18839
25.2M
25.20 mi15:00:093:43:038:513:18
9:34
#18790
Finish
26.22 mi15:08:223:51:168:508:13
8:04
#18599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi222688774877420372(Top 72%)7638(Top 62%)7638(Top 140%)
10K6.21 mi3.10 mi21723+5458453+3218453+32121124(Top 74%)8093(Top 66%)8093(Top 148%)
15K9.32 mi3.11 mi21243+4808169+2848169+28420372(Top 72%)7638(Top 62%)7638(Top 140%)
20K12.43 mi3.11 mi20894+3497974+1957974+19519875(Top 70%)7415(Top 61%)7415(Top 136%)
Half13.11 mi0.68 mi20884+107967+77967+720766(Top 73%)7892(Top 65%)7892(Top 144%)
25K15.53 mi2.42 mi20612+2727832+1357832+13519033(Top 67%)6991(Top 57%)6991(Top 128%)
30K18.64 mi3.11 mi20064+5487557+2757557+27517813(Top 63%)6480(Top 53%)6480(Top 118%)
20M20.00 mi1.36 mi19773+2917418+1397418+13916369(Top 58%)5817(Top 48%)5817(Top 106%)
21M21.00 mi1.00 mi19509+2647290+1287290+12815440(Top 54%)5423(Top 44%)5423(Top 99%)
35K21.75 mi0.75 mi19378+1317237+537237+5315322(Top 54%)5433(Top 44%)5433(Top 99%)
23M23.00 mi1.25 mi19139+2397123+1147123+11415140(Top 53%)5419(Top 44%)5419(Top 99%)
24M24.00 mi1.00 mi19017+1227075+487075+4816167(Top 57%)6036(Top 49%)6036(Top 110%)
40K24.85 mi0.85 mi18839+1787011+647011+6414963(Top 53%)5508(Top 45%)5508(Top 101%)
25.2M25.20 mi0.35 mi18790+496995+166995+1615044(Top 53%)5591(Top 46%)5591(Top 102%)
Finish26.22 mi1.02 mi18599+1916902+936902+9313371(Top 47%)4650(Top 38%)4650(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20372

Females

7638

F18-39

7638

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21124

Females

8093

F18-39

8093

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20372

Females

7638

F18-39

7638

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19875

Females

7415

F18-39

7415

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20766

Females

7892

F18-39

7892

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19033

Females

6991

F18-39

6991

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17813

Females

6480

F18-39

6480

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16369

Females

5817

F18-39

5817

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15440

Females

5423

F18-39

5423

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15322

Females

5433

F18-39

5433

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15140

Females

5419

F18-39

5419

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16167

Females

6036

F18-39

6036

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14963

Females

5508

F18-39

5508

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15044

Females

5591

F18-39

5591

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13371

Females

4650

F18-39

4650

Passing Analysis

Category:
Athletes Passed
3970
Passed By
301
Net Change
+3669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22268
5K → 10K62883+545#22268#21723
10K → 15K53151+480#21723#21243
15K → 20K38839+349#21243#20894
20K → Half3525+10#20894#20884
Half → 25K30634+272#20884#20612
25K → 30K56719+548#20612#20064
30K → 20M2943+291#20064#19773
20M → 21M2706+264#19773#19509
21M → 35K1387+131#19509#19378
35K → 23M2423+239#19378#19139
23M → 24M14119+122#19139#19017
24M → 40K1802+178#19017#18839
40K → 25.2M534+49#18839#18790
25.2M → Finish1976+191#18790#18599
TOTALS3970301+3669
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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