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BOSTON MARATHON 2025

Caroline Cullen

Bib: 28273•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

Start
0:00:00
Race begins
5K· 3.11 mi
28:24
Rank: #23015
Start → 5K
28:24 | 9:08/mi
10K· 6.21 mi
56:08
Rank: #22558 (+457)
5K → 10K
27:44 | 8:56/mi
15K· 9.32 mi
1:23:54
Rank: #22289 (+269)
10K → 15K
27:46 | 8:56/mi
20K· 12.43 mi
1:52:22
Rank: #22119 (+170)
15K → 20K
28:28 | 9:10/mi
Half· 13.11 mi
1:58:41
Rank: #22154 (-35)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:22:03
Rank: #22212 (-58)
Half → 25K
23:22 | 9:38/mi
30K· 18.64 mi
2:54:40
Rank: #22390 (-178)
25K → 30K
32:37 | 10:30/mi
20M
3:09:14
Rank: #22443 (-53)
30K → 20M
14:34 | 10:43/mi
21M
3:20:25
Rank: #22389 (+54)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
3:28:11
Rank: #22411 (-22)
21M → 35K
7:46 | 10:23/mi
23M
3:41:16
Rank: #22355 (+56)
35K → 23M
13:05 | 10:27/mi
24M
3:51:40
Rank: #22358 (-3)
23M → 24M
10:24 | 10:24/mi
40K· 24.85 mi
4:00:47
Rank: #22341 (+17)
24M → 40K
9:07 | 10:40/mi
25.2M
4:04:44
Rank: #22329 (+12)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:14:41
Rank: #22313 (+16)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:41
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:16:00
Pace10:22 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4328:249:0828:24
9:08
-
10K
6.21 mi12:18:2756:089:0227:44
8:56
-0:12
15K
9.32 mi12:46:131:23:549:0027:46
8:56
0:00
20K
12.43 mi13:14:411:52:229:0328:28
9:10
+0:14
Half
13.11 mi13:21:001:58:419:036:19
9:16
+0:06
25K
15.53 mi13:44:222:22:039:0923:22
9:38
+0:22
30K
18.64 mi14:16:592:54:409:2232:37
10:30
+0:52
20M
20.00 mi14:31:333:09:149:2814:34
10:43
+0:13
21M
21.00 mi14:42:443:20:259:3311:11
11:11
+0:28
35K
21.75 mi14:50:303:28:119:347:46
10:23
-0:48
23M
23.00 mi15:03:353:41:169:3713:05
10:27
+0:04
24M
24.00 mi15:13:593:51:409:3910:24
10:24
-0:03
40K
24.85 mi15:23:064:00:479:419:07
10:40
+0:16
25.2M
25.20 mi15:27:034:04:449:433:57
11:27
+0:47
Finish
26.22 mi15:37:004:14:419:439:57
9:46
-1:41

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

8:56 /mi

Average Pace

9:43 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:00

60% of race

Time at Steady Pace

1:27:33

34% of race

Time at Slower Pace

15:08

6% of race

Average Pace: 9:43 /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 mi11:50:4328:249:0828:24
9:08
#23015
10K
6.21 mi12:18:2756:089:0227:44
8:56
#22558
15K
9.32 mi12:46:131:23:549:0027:46
8:56
#22289
20K
12.43 mi13:14:411:52:229:0328:28
9:10
#22119
Half
13.11 mi13:21:001:58:419:036:19
9:16
#22154
25K
15.53 mi13:44:222:22:039:0923:22
9:38
#22212
30K
18.64 mi14:16:592:54:409:2232:37
10:30
#22390
20M
20.00 mi14:31:333:09:149:2814:34
10:43
#22443
21M
21.00 mi14:42:443:20:259:3311:11
11:11
#22389
35K
21.75 mi14:50:303:28:119:347:46
10:23
#22411
23M
23.00 mi15:03:353:41:169:3713:05
10:27
#22355
24M
24.00 mi15:13:593:51:409:3910:24
10:24
#22358
40K
24.85 mi15:23:064:00:479:419:07
10:40
#22341
25.2M
25.20 mi15:27:034:04:449:433:57
11:27
#22329
Finish
26.22 mi15:37:004:14:419:439:57
9:46
#22313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi230159179917921754(Top 77%)8412(Top 69%)8412(Top 154%)
10K6.21 mi3.10 mi22558+4578919+2608919+26022077(Top 78%)8639(Top 71%)8639(Top 158%)
15K9.32 mi3.11 mi22289+2698748+1718748+17121754(Top 77%)8412(Top 69%)8412(Top 154%)
20K12.43 mi3.11 mi22119+1708662+868662+8621756(Top 77%)8464(Top 69%)8464(Top 155%)
Half13.11 mi0.68 mi22154-358682-208682-2022839(Top 80%)9055(Top 74%)9055(Top 166%)
25K15.53 mi2.42 mi22212-588716-348716-3422321(Top 79%)8829(Top 72%)8829(Top 161%)
30K18.64 mi3.11 mi22390-1788846-1308846-13022942(Top 81%)9288(Top 76%)9288(Top 170%)
20M20.00 mi1.36 mi22443-538897-518897-5123001(Top 81%)9420(Top 77%)9420(Top 172%)
21M21.00 mi1.00 mi22389+548882+158882+1521874(Top 77%)8904(Top 73%)8904(Top 163%)
35K21.75 mi0.75 mi22411-228910-288910-2822916(Top 81%)9510(Top 78%)9510(Top 174%)
23M23.00 mi1.25 mi22355+568916-68916-621890(Top 77%)9010(Top 74%)9010(Top 165%)
24M24.00 mi1.00 mi22358-38936-208936-2022542(Top 79%)9409(Top 77%)9409(Top 172%)
40K24.85 mi0.85 mi22341+178945-98945-922356(Top 79%)9389(Top 77%)9389(Top 172%)
25.2M25.20 mi0.35 mi22329+128944+18944+121963(Top 77%)9135(Top 75%)9135(Top 167%)
Finish26.22 mi1.02 mi22313+168953-98953-922154(Top 78%)9241(Top 76%)9241(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21754

Females

8412

F18-39

8412

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22077

Females

8639

F18-39

8639

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21754

Females

8412

F18-39

8412

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21756

Females

8464

F18-39

8464

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22839

Females

9055

F18-39

9055

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22321

Females

8829

F18-39

8829

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

22942

Females

9288

F18-39

9288

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

23001

Females

9420

F18-39

9420

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21874

Females

8904

F18-39

8904

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22916

Females

9510

F18-39

9510

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21890

Females

9010

F18-39

9010

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22542

Females

9409

F18-39

9409

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22356

Females

9389

F18-39

9389

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21963

Females

9135

F18-39

9135

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22154

Females

9241

F18-39

9241

Passing Analysis

Category:
Athletes Passed
1874
Passed By
1172
Net Change
+702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23015
5K → 10K52972+457#23015#22558
10K → 15K33667+269#22558#22289
15K → 20K25989+170#22289#22119
20K → Half2459-35#22119#22154
Half → 25K122180-58#22154#22212
25K → 30K138316-178#22212#22390
30K → 20M56109-53#22390#22443
20M → 21M9945+54#22443#22389
21M → 35K3557-22#22389#22411
35K → 23M10145+56#22411#22355
23M → 24M5457-3#22355#22358
24M → 40K5235+17#22358#22341
40K → 25.2M208+12#22341#22329
25.2M → Finish4933+16#22329#22313
TOTALS18741172+702
📊

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