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BOSTON MARATHON 2025

Caitlin Schwark

Bib: 15751•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:09
Rank: #11806
Start → 5K
23:09 | 7:27/mi
10K· 6.21 mi
46:22
Rank: #11797 (+9)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:09:32
Rank: #11631 (+166)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:32:39
Rank: #11273 (+358)
15K → 20K
23:07 | 7:26/mi
Half· 13.11 mi
1:37:43
Rank: #11253 (+20)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:05
Rank: #11113 (+140)
Half → 25K
18:22 | 7:35/mi
30K· 18.64 mi
2:20:28
Rank: #10916 (+197)
25K → 30K
24:23 | 7:51/mi
20M
2:31:26
Rank: #10874 (+42)
30K → 20M
10:58 | 8:04/mi
21M
2:39:50
Rank: #10761 (+113)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:45:36
Rank: #10723 (+38)
21M → 35K
5:46 | 7:42/mi
23M
2:55:27
Rank: #10585 (+138)
35K → 23M
9:51 | 7:52/mi
24M
3:03:05
Rank: #10467 (+118)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:09:47
Rank: #10369 (+98)
24M → 40K
6:42 | 7:50/mi
25.2M
3:12:42
Rank: #10322 (+47)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:20:07
Rank: #10187 (+135)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:43
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1823:097:2723:09
7:27
-
10K
6.21 mi11:19:3146:227:2823:13
7:28
+0:01
15K
9.32 mi11:42:411:09:327:2823:10
7:27
-0:01
20K
12.43 mi12:05:481:32:397:2723:07
7:26
-0:01
Half
13.11 mi12:10:521:37:437:275:04
7:26
0:00
25K
15.53 mi12:29:141:56:057:2818:22
7:35
+0:09
30K
18.64 mi12:53:372:20:287:3224:23
7:51
+0:16
20M
20.00 mi13:04:352:31:267:3410:58
8:04
+0:13
21M
21.00 mi13:12:592:39:507:378:24
8:24
+0:20
35K
21.75 mi13:18:452:45:367:375:46
7:42
-0:42
23M
23.00 mi13:28:362:55:277:389:51
7:52
+0:10
24M
24.00 mi13:36:143:03:057:387:38
7:38
-0:14
40K
24.85 mi13:42:563:09:477:386:42
7:50
+0:12
25.2M
25.20 mi13:45:513:12:427:392:55
8:27
+0:37
Finish
26.22 mi13:53:163:20:077:387:25
7:17
-1:10

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

7:17 /mi

Average Pace

7:38 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:50

89% of race

Time at Steady Pace

22:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:56:1823:097:2723:09
7:27
#11806
10K
6.21 mi11:19:3146:227:2823:13
7:28
#11797
15K
9.32 mi11:42:411:09:327:2823:10
7:27
#11631
20K
12.43 mi12:05:481:32:397:2723:07
7:26
#11273
Half
13.11 mi12:10:521:37:437:275:04
7:26
#11253
25K
15.53 mi12:29:141:56:057:2818:22
7:35
#11113
30K
18.64 mi12:53:372:20:287:3224:23
7:51
#10916
20M
20.00 mi13:04:352:31:267:3410:58
8:04
#10874
21M
21.00 mi13:12:592:39:507:378:24
8:24
#10761
35K
21.75 mi13:18:452:45:367:375:46
7:42
#10723
23M
23.00 mi13:28:362:55:277:389:51
7:52
#10585
24M
24.00 mi13:36:143:03:057:387:38
7:38
#10467
40K
24.85 mi13:42:563:09:477:386:42
7:50
#10369
25.2M
25.20 mi13:45:513:12:427:392:55
8:27
#10322
Finish
26.22 mi13:53:163:20:077:387:25
7:17
#10187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118062687268711397(Top 40%)2580(Top 21%)2580(Top 47%)
10K6.21 mi3.10 mi11797+92702-152702-1511853(Top 42%)2736(Top 22%)2736(Top 50%)
15K9.32 mi3.11 mi11631+1662637+652637+6511397(Top 40%)2580(Top 21%)2580(Top 47%)
20K12.43 mi3.11 mi11273+3582492+1452492+14510263(Top 36%)2090(Top 17%)2090(Top 38%)
Half13.11 mi0.68 mi11253+202475+172475+1711154(Top 39%)2495(Top 20%)2495(Top 46%)
25K15.53 mi2.42 mi11113+1402446+292446+2910569(Top 37%)2360(Top 19%)2360(Top 43%)
30K18.64 mi3.11 mi10916+1972421+252421+2510281(Top 36%)2423(Top 20%)2423(Top 44%)
20M20.00 mi1.36 mi10874+422446-252446-2510904(Top 38%)2891(Top 24%)2891(Top 53%)
21M21.00 mi1.00 mi10761+1132427+192427+199862(Top 35%)2546(Top 21%)2546(Top 47%)
35K21.75 mi0.75 mi10723+382420+72420+710161(Top 36%)2679(Top 22%)2679(Top 49%)
23M23.00 mi1.25 mi10585+1382392+282392+289076(Top 32%)2293(Top 19%)2293(Top 42%)
24M24.00 mi1.00 mi10467+1182370+222370+228685(Top 31%)2180(Top 18%)2180(Top 40%)
40K24.85 mi0.85 mi10369+982358+122358+129057(Top 32%)2478(Top 20%)2478(Top 45%)
25.2M25.20 mi0.35 mi10322+472351+72351+78623(Top 30%)2336(Top 19%)2336(Top 43%)
Finish26.22 mi1.02 mi10187+1352315+362315+367658(Top 27%)1930(Top 16%)1930(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11397

Females

2580

F18-39

2580

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11853

Females

2736

F18-39

2736

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11397

Females

2580

F18-39

2580

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10263

Females

2090

F18-39

2090

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11154

Females

2495

F18-39

2495

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10569

Females

2360

F18-39

2360

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10281

Females

2423

F18-39

2423

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10904

Females

2891

F18-39

2891

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9862

Females

2546

F18-39

2546

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10161

Females

2679

F18-39

2679

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9076

Females

2293

F18-39

2293

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8685

Females

2180

F18-39

2180

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9057

Females

2478

F18-39

2478

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8623

Females

2336

F18-39

2336

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7658

Females

1930

F18-39

1930

Passing Analysis

Category:
Athletes Passed
2524
Passed By
905
Net Change
+1619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11806
5K → 10K256247+9#11806#11797
10K → 15K26599+166#11797#11631
15K → 20K39840+358#11631#11273
20K → Half4323+20#11273#11253
Half → 25K22484+140#11253#11113
25K → 30K326129+197#11113#10916
30K → 20M13290+42#10916#10874
20M → 21M15643+113#10874#10761
21M → 35K6830+38#10761#10723
35K → 23M17739+138#10723#10585
23M → 24M14628+118#10585#10467
24M → 40K12325+98#10467#10369
40K → 25.2M558+47#10369#10322
25.2M → Finish15520+135#10322#10187
TOTALS2524905+1619
📊

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