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BOSTON MARATHON 2025

Carolyn Thompson

Bib: 25698•F

NH

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
28:32
Rank: #23161
Start → 5K
9:11/mi
28:32 split
10K· 6.21 mi
56:56
Rank: #23067 (+94)
5K → 10K
9:08/mi
28:24 split
15K· 9.32 mi
1:24:57
Rank: #22759 (+308)
10K → 15K
9:01/mi
28:01 split
20K· 12.43 mi
1:55:36
Rank: #23141 (-382)
15K → 20K
9:52/mi
30:39 split
Half· 13.11 mi
2:02:15
Rank: #23192 (-51)
20K → Half
9:45/mi
6:39 split
25K· 15.53 mi
2:31:15
Rank: #24068 (-876)
Half → 25K
11:58/mi
29:00 split
30K· 18.64 mi
3:13:45
Rank: #25037 (-969)
25K → 30K
13:41/mi
42:30 split
20M
3:31:35
Rank: #25215 (-178)
30K → 20M
13:07/mi
17:50 split
21M
3:45:35
Rank: #25286 (-71)
20M → 21M
14:00/mi
14:00 split
35K· 21.75 mi
3:55:40
Rank: #25413 (-127)
21M → 35K
13:29/mi
10:05 split
23M
4:11:14
Rank: #25426 (-13)
35K → 23M
12:26/mi
15:34 split
24M
4:24:02
Rank: #25521 (-95)
23M → 24M
12:48/mi
12:48 split
40K· 24.85 mi
4:35:02
Rank: #25576 (-55)
24M → 40K
12:52/mi
11:00 split
25.2M
4:39:17
Rank: #25546 (+30)
40K → 25.2M
12:19/mi
4:15 split
Finish· 26.22 mi
4:50:46
Rank: #25565 (-19)
25.2M → Finish
11:16/mi
11:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:15
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:48:31
Pace12:51 /mi
📊Positive Split: 37.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3628:329:1128:32
9:11
-
10K
6.21 mi12:12:0056:569:1028:24
9:08
-0:03
15K
9.32 mi12:40:011:24:579:0728:01
9:01
-0:07
20K
12.43 mi13:10:401:55:369:1830:39
9:52
+0:51
Half
13.11 mi13:17:192:02:159:206:39
9:45
-0:07
25K
15.53 mi13:46:192:31:159:4429:00
11:58
+2:13
30K
18.64 mi14:28:493:13:4510:2442:30
13:41
+1:43
20M
20.00 mi14:46:393:31:3510:3517:50
13:07
-0:34
21M
21.00 mi15:00:393:45:3510:4514:00
14:00
+0:53
35K
21.75 mi15:10:443:55:4010:5010:05
13:29
-0:31
23M
23.00 mi15:26:184:11:1410:5515:34
12:26
-1:03
24M
24.00 mi15:39:064:24:0211:0012:48
12:48
+0:22
40K
24.85 mi15:50:064:35:0211:0411:00
12:52
+0:04
25.2M
25.20 mi15:54:214:39:1711:054:15
12:19
-0:33
Finish
26.22 mi16:05:504:50:4611:0611:29
11:16
-1:03

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

9:01 /mi

Average Pace

11:06 /mi

Slowest Pace

14:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:44

46% of race

Time at Steady Pace

1:30:27

31% of race

Time at Slower Pace

1:06:35

23% of race

Average Pace: 11:05 /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 mi11:43:3628:329:1128:32
9:11
#23161
10K
6.21 mi12:12:0056:569:1028:24
9:08
#23067
15K
9.32 mi12:40:011:24:579:0728:01
9:01
#22759
20K
12.43 mi13:10:401:55:369:1830:39
9:52
#23141
Half
13.11 mi13:17:192:02:159:206:39
9:45
#23192
25K
15.53 mi13:46:192:31:159:4429:00
11:58
#24068
30K
18.64 mi14:28:493:13:4510:2442:30
13:41
#25037
20M
20.00 mi14:46:393:31:3510:3517:50
13:07
#25215
21M
21.00 mi15:00:393:45:3510:4514:00
14:00
#25286
35K
21.75 mi15:10:443:55:4010:5010:05
13:29
#25413
23M
23.00 mi15:26:184:11:1410:5515:34
12:26
#25426
24M
24.00 mi15:39:064:24:0211:0012:48
12:48
#25521
40K
24.85 mi15:50:064:35:0211:0411:00
12:52
#25576
25.2M
25.20 mi15:54:214:39:1711:054:15
12:19
#25546
Finish
26.22 mi16:05:504:50:4611:0611:29
11:16
#25565
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi231619256925622114(Top 78%)8621(Top 71%)8621(Top 158%)
10K6.21 mi3.10 mi23067+949186+709186+7022956(Top 81%)9109(Top 74%)9109(Top 167%)
15K9.32 mi3.11 mi22759+3088991+1958991+19522114(Top 78%)8621(Top 71%)8621(Top 158%)
20K12.43 mi3.11 mi23141-3829205-2149205-21423916(Top 84%)9661(Top 79%)9661(Top 177%)
Half13.11 mi0.68 mi23192-519225-209225-2024214(Top 85%)9834(Top 80%)9834(Top 180%)
25K15.53 mi2.42 mi24068-8769746-5219746-52126391(Top 93%)11073(Top 91%)11073(Top 202%)
30K18.64 mi3.11 mi25037-96910296-55010296-55027265(Top 96%)11636(Top 95%)11636(Top 213%)
20M20.00 mi1.36 mi25215-17810418-12210418-12226557(Top 93%)11316(Top 93%)11316(Top 207%)
21M21.00 mi1.00 mi25286-7110469-5110469-5126222(Top 92%)11165(Top 91%)11165(Top 204%)
35K21.75 mi0.75 mi25413-12710550-8110550-8127343(Top 96%)11764(Top 96%)11764(Top 215%)
23M23.00 mi1.25 mi25426-1310570-2010570-2025699(Top 90%)10954(Top 90%)10954(Top 200%)
24M24.00 mi1.00 mi25521-9510630-6010630-6026626(Top 94%)11433(Top 93%)11433(Top 209%)
40K24.85 mi0.85 mi25576-5510669-3910669-3926142(Top 92%)11215(Top 92%)11215(Top 205%)
25.2M25.20 mi0.35 mi25546+3010660+910660+923803(Top 84%)10077(Top 82%)10077(Top 184%)
Finish26.22 mi1.02 mi25565-1910678-1810678-1825807(Top 91%)11049(Top 90%)11049(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22114

Females

8621

F18-39

8621

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

22956

Females

9109

F18-39

9109

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22114

Females

8621

F18-39

8621

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23916

Females

9661

F18-39

9661

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24214

Females

9834

F18-39

9834

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26391

Females

11073

F18-39

11073

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27265

Females

11636

F18-39

11636

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26557

Females

11316

F18-39

11316

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

26222

Females

11165

F18-39

11165

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27343

Females

11764

F18-39

11764

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25699

Females

10954

F18-39

10954

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26626

Females

11433

F18-39

11433

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26142

Females

11215

F18-39

11215

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23803

Females

10077

F18-39

10077

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25807

Females

11049

F18-39

11049

Passing Analysis

Category:
Athletes Passed
928
Passed By
3332
Net Change
-2404
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23161
5K → 10K274180+94#23161#23067
10K → 15K35648+308#23067#22759
15K → 20K81463-382#22759#23141
20K → Half1869-51#23141#23192
Half → 25K9885-876#23192#24068
25K → 30K10979-969#24068#25037
30K → 20M16194-178#25037#25215
20M → 21M29100-71#25215#25286
21M → 35K6133-127#25286#25413
35K → 23M3851-13#25413#25426
23M → 24M17112-95#25426#25521
24M → 40K1469-55#25521#25576
40K → 25.2M366+30#25576#25546
25.2M → Finish2443-19#25546#25565
TOTALS9283332-2404
📊

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