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BOSTON MARATHON 2025

Olivia Carroll

Bib: 27643•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
32:20
Rank: #26547
Start → 5K
32:20 | 10:24/mi
10K· 6.21 mi
1:04:19
Rank: #26199 (+348)
5K → 10K
31:59 | 10:18/mi
15K· 9.32 mi
1:35:44
Rank: #25860 (+339)
10K → 15K
31:25 | 10:07/mi
20K· 12.43 mi
2:07:48
Rank: #25579 (+281)
15K → 20K
32:04 | 10:19/mi
Half· 13.11 mi
2:14:48
Rank: #25570 (+9)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:42:17
Rank: #25609 (-39)
Half → 25K
27:29 | 11:20/mi
30K· 18.64 mi
3:18:45
Rank: #25531 (+78)
25K → 30K
36:28 | 11:44/mi
20M
3:34:47
Rank: #25487 (+44)
30K → 20M
16:02 | 11:48/mi
21M
3:46:43
Rank: #25389 (+98)
20M → 21M
11:56 | 11:56/mi
35K· 21.75 mi
3:54:31
Rank: #25309 (+80)
21M → 35K
7:48 | 10:26/mi
23M
4:08:09
Rank: #25206 (+103)
35K → 23M
13:38 | 10:53/mi
24M
4:18:30
Rank: #25115 (+91)
23M → 24M
10:21 | 10:21/mi
40K· 24.85 mi
4:27:56
Rank: #25079 (+36)
24M → 40K
9:26 | 11:02/mi
25.2M
4:32:36
Rank: #25088 (-9)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
4:42:50
Rank: #25045 (+43)
25.2M → Finish
10:14 | 10:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:48
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:28:02
Pace11:18 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2332:2010:2432:20
10:24
-
10K
6.21 mi12:24:221:04:1910:2131:59
10:18
-0:06
15K
9.32 mi12:55:471:35:4410:1631:25
10:07
-0:11
20K
12.43 mi13:27:512:07:4810:1732:04
10:19
+0:12
Half
13.11 mi13:34:512:14:4810:177:00
10:16
-0:03
25K
15.53 mi14:02:202:42:1710:2727:29
11:20
+1:04
30K
18.64 mi14:38:483:18:4510:4036:28
11:44
+0:24
20M
20.00 mi14:54:503:34:4710:4416:02
11:48
+0:04
21M
21.00 mi15:06:463:46:4310:4811:56
11:56
+0:08
35K
21.75 mi15:14:343:54:3110:477:48
10:26
-1:30
23M
23.00 mi15:28:124:08:0910:4713:38
10:53
+0:27
24M
24.00 mi15:38:334:18:3010:4610:21
10:21
-0:32
40K
24.85 mi15:47:594:27:5610:479:26
11:02
+0:41
25.2M
25.20 mi15:52:394:32:3610:494:40
13:32
+2:30
Finish
26.22 mi16:02:534:42:5010:4810:14
10:03
-3:29

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

10:03 /mi

Average Pace

10:48 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:56:49

63% of race

Time at Slower Pace

1:46:01

37% of race

Average Pace: 10:47 /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 mi11:52:2332:2010:2432:20
10:24
#26547
10K
6.21 mi12:24:221:04:1910:2131:59
10:18
#26199
15K
9.32 mi12:55:471:35:4410:1631:25
10:07
#25860
20K
12.43 mi13:27:512:07:4810:1732:04
10:19
#25579
Half
13.11 mi13:34:512:14:4810:177:00
10:16
#25570
25K
15.53 mi14:02:202:42:1710:2727:29
11:20
#25609
30K
18.64 mi14:38:483:18:4510:4036:28
11:44
#25531
20M
20.00 mi14:54:503:34:4710:4416:02
11:48
#25487
21M
21.00 mi15:06:463:46:4310:4811:56
11:56
#25389
35K
21.75 mi15:14:343:54:3110:477:48
10:26
#25309
23M
23.00 mi15:28:124:08:0910:4713:38
10:53
#25206
24M
24.00 mi15:38:334:18:3010:4610:21
10:21
#25115
40K
24.85 mi15:47:594:27:5610:479:26
11:02
#25079
25.2M
25.20 mi15:52:394:32:3610:494:40
13:32
#25088
Finish
26.22 mi16:02:534:42:5010:4810:14
10:03
#25045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26547110661106625222(Top 89%)10353(Top 85%)10353(Top 189%)
10K6.21 mi3.10 mi26199+34810879+18710879+18725901(Top 91%)10733(Top 88%)10733(Top 196%)
15K9.32 mi3.11 mi25860+33910703+17610703+17625222(Top 89%)10353(Top 85%)10353(Top 189%)
20K12.43 mi3.11 mi25579+28110549+15410549+15424867(Top 88%)10189(Top 83%)10189(Top 186%)
Half13.11 mi0.68 mi25570+910546+310546+325342(Top 89%)10458(Top 86%)10458(Top 191%)
25K15.53 mi2.42 mi25609-3910576-3010576-3025656(Top 90%)10666(Top 87%)10666(Top 195%)
30K18.64 mi3.11 mi25531+7810583-710583-725194(Top 89%)10507(Top 86%)10507(Top 192%)
20M20.00 mi1.36 mi25487+4410565+1810565+1824966(Top 88%)10454(Top 85%)10454(Top 191%)
21M21.00 mi1.00 mi25389+9810532+3310532+3323462(Top 83%)9748(Top 80%)9748(Top 178%)
35K21.75 mi0.75 mi25309+8010491+4110491+4122985(Top 81%)9555(Top 78%)9555(Top 175%)
23M23.00 mi1.25 mi25206+10310442+4910442+4922953(Top 81%)9581(Top 78%)9581(Top 175%)
24M24.00 mi1.00 mi25115+9110401+4110401+4122373(Top 79%)9334(Top 76%)9334(Top 171%)
40K24.85 mi0.85 mi25079+3610387+1410387+1423200(Top 82%)9813(Top 80%)9813(Top 179%)
25.2M25.20 mi0.35 mi25088-910399-1210399-1225677(Top 90%)11030(Top 90%)11030(Top 202%)
Finish26.22 mi1.02 mi25045+4310383+1610383+1623038(Top 81%)9686(Top 79%)9686(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25222

Females

10353

F18-39

10353

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25901

Females

10733

F18-39

10733

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25222

Females

10353

F18-39

10353

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24867

Females

10189

F18-39

10189

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25342

Females

10458

F18-39

10458

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25656

Females

10666

F18-39

10666

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25194

Females

10507

F18-39

10507

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

24966

Females

10454

F18-39

10454

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23462

Females

9748

F18-39

9748

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22985

Females

9555

F18-39

9555

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22953

Females

9581

F18-39

9581

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22373

Females

9334

F18-39

9334

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23200

Females

9813

F18-39

9813

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25677

Females

11030

F18-39

11030

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

23038

Females

9686

F18-39

9686

Passing Analysis

Category:
Athletes Passed
1903
Passed By
401
Net Change
+1502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26547
5K → 10K39648+348#26547#26199
10K → 15K35314+339#26199#25860
15K → 20K29716+281#25860#25579
20K → Half2516+9#25579#25570
Half → 25K91130-39#25570#25609
25K → 30K15678+78#25609#25531
30K → 20M7935+44#25531#25487
20M → 21M1079+98#25487#25389
21M → 35K844+80#25389#25309
35K → 23M1063+103#25309#25206
23M → 24M965+91#25206#25115
24M → 40K4913+36#25115#25079
40K → 25.2M1120-9#25079#25088
25.2M → Finish5310+43#25088#25045
TOTALS1903401+1502
📊

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