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BOSTON MARATHON 2025

Carolyn Sullivan

Bib: 25010•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:50
Rank: #22249
Start → 5K
27:50 | 8:58/mi
10K· 6.21 mi
55:22
Rank: #22005 (+244)
5K → 10K
27:32 | 8:52/mi
15K· 9.32 mi
1:23:15
Rank: #21974 (+31)
10K → 15K
27:53 | 8:58/mi
20K· 12.43 mi
1:51:35
Rank: #21836 (+138)
15K → 20K
28:20 | 9:07/mi
Half· 13.11 mi
1:57:37
Rank: #21793 (+43)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:19:30
Rank: #21471 (+322)
Half → 25K
21:53 | 9:02/mi
30K· 18.64 mi
2:49:50
Rank: #21374 (+97)
25K → 30K
30:20 | 9:46/mi
20M
3:02:55
Rank: #21227 (+147)
30K → 20M
13:05 | 9:38/mi
21M
3:13:32
Rank: #21203 (+24)
20M → 21M
10:37 | 10:37/mi
35K· 21.75 mi
3:20:32
Rank: #21124 (+79)
21M → 35K
7:00 | 9:21/mi
23M
3:32:37
Rank: #21008 (+116)
35K → 23M
12:05 | 9:39/mi
24M
3:41:58
Rank: #20923 (+85)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:50:07
Rank: #20853 (+70)
24M → 40K
8:09 | 9:32/mi
25.2M
3:53:47
Rank: #20821 (+32)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:03:20
Rank: #20806 (+15)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:37
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:05:43
Pace9:35 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3527:508:5827:50
8:58
-
10K
6.21 mi11:55:0755:228:5527:32
8:52
-0:06
15K
9.32 mi12:23:001:23:158:5627:53
8:58
+0:06
20K
12.43 mi12:51:201:51:358:5928:20
9:07
+0:09
Half
13.11 mi12:57:221:57:378:586:02
8:51
-0:16
25K
15.53 mi13:19:152:19:308:5921:53
9:02
+0:11
30K
18.64 mi13:49:352:49:509:0730:20
9:46
+0:44
20M
20.00 mi14:02:403:02:559:0913:05
9:38
-0:08
21M
21.00 mi14:13:173:13:329:1310:37
10:37
+0:59
35K
21.75 mi14:20:173:20:329:137:00
9:21
-1:16
23M
23.00 mi14:32:223:32:379:1512:05
9:39
+0:18
24M
24.00 mi14:41:433:41:589:159:21
9:21
-0:18
40K
24.85 mi14:49:523:50:079:168:09
9:32
+0:11
25.2M
25.20 mi14:53:323:53:479:173:40
10:38
+1:06
Finish
26.22 mi15:03:054:03:209:179:33
9:22
-1:16

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

8:51 /mi

Average Pace

9:17 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:10

46% of race

Time at Steady Pace

1:02:23

26% of race

Time at Slower Pace

1:09:47

29% of race

Average Pace: 9:17 /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 mi11:27:3527:508:5827:50
8:58
#22249
10K
6.21 mi11:55:0755:228:5527:32
8:52
#22005
15K
9.32 mi12:23:001:23:158:5627:53
8:58
#21974
20K
12.43 mi12:51:201:51:358:5928:20
9:07
#21836
Half
13.11 mi12:57:221:57:378:586:02
8:51
#21793
25K
15.53 mi13:19:152:19:308:5921:53
9:02
#21471
30K
18.64 mi13:49:352:49:509:0730:20
9:46
#21374
20M
20.00 mi14:02:403:02:559:0913:05
9:38
#21227
21M
21.00 mi14:13:173:13:329:1310:37
10:37
#21203
35K
21.75 mi14:20:173:20:329:137:00
9:21
#21124
23M
23.00 mi14:32:223:32:379:1512:05
9:39
#21008
24M
24.00 mi14:41:433:41:589:159:21
9:21
#20923
40K
24.85 mi14:49:523:50:079:168:09
9:32
#20853
25.2M
25.20 mi14:53:323:53:479:173:40
10:38
#20821
Finish
26.22 mi15:03:054:03:209:179:33
9:22
#20806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi222498762876221929(Top 77%)8508(Top 70%)8508(Top 1363%)
10K6.21 mi3.10 mi22005+2448615+1478615+14721711(Top 76%)8428(Top 69%)8428(Top 1351%)
15K9.32 mi3.11 mi21974+318589+268589+2621929(Top 77%)8508(Top 70%)8508(Top 1363%)
20K12.43 mi3.11 mi21836+1388512+778512+7721556(Top 76%)8344(Top 68%)8344(Top 1337%)
Half13.11 mi0.68 mi21793+438488+248488+2421149(Top 74%)8120(Top 66%)8120(Top 1301%)
25K15.53 mi2.42 mi21471+3228305+1838305+18320032(Top 71%)7553(Top 62%)7553(Top 1210%)
30K18.64 mi3.11 mi21374+978289+168289+1620875(Top 73%)8159(Top 67%)8159(Top 1308%)
20M20.00 mi1.36 mi21227+1478236+538236+5319715(Top 69%)7643(Top 63%)7643(Top 1225%)
21M21.00 mi1.00 mi21203+248234+28234+220365(Top 72%)8111(Top 66%)8111(Top 1300%)
35K21.75 mi0.75 mi21124+798204+308204+3019825(Top 70%)7891(Top 65%)7891(Top 1265%)
23M23.00 mi1.25 mi21008+1168165+398165+3919295(Top 68%)7673(Top 63%)7673(Top 1230%)
24M24.00 mi1.00 mi20923+858137+288137+2819056(Top 67%)7576(Top 62%)7576(Top 1214%)
40K24.85 mi0.85 mi20853+708117+208117+2018867(Top 66%)7567(Top 62%)7567(Top 1213%)
25.2M25.20 mi0.35 mi20821+328115+28115+219540(Top 69%)7927(Top 65%)7927(Top 1270%)
Finish26.22 mi1.02 mi20806+158119-48119-420687(Top 73%)8492(Top 69%)8492(Top 1361%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21929

Females

8508

F60-64

8508

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21711

Females

8428

F60-64

8428

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21929

Females

8508

F60-64

8508

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21556

Females

8344

F60-64

8344

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21149

Females

8120

F60-64

8120

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20032

Females

7553

F60-64

7553

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20875

Females

8159

F60-64

8159

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19715

Females

7643

F60-64

7643

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20365

Females

8111

F60-64

8111

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19825

Females

7891

F60-64

7891

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19295

Females

7673

F60-64

7673

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19056

Females

7576

F60-64

7576

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18867

Females

7567

F60-64

7567

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19540

Females

7927

F60-64

7927

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20687

Females

8492

F60-64

8492

Passing Analysis

Category:
Athletes Passed
2300
Passed By
857
Net Change
+1443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22249
5K → 10K398154+244#22249#22005
10K → 15K218187+31#22005#21974
15K → 20K252114+138#21974#21836
20K → Half529+43#21836#21793
Half → 25K33917+322#21793#21471
25K → 30K244147+97#21471#21374
30K → 20M17225+147#21374#21227
20M → 21M9874+24#21227#21203
21M → 35K9617+79#21203#21124
35K → 23M14529+116#21124#21008
23M → 24M10520+85#21008#20923
24M → 40K9323+70#20923#20853
40K → 25.2M4715+32#20853#20821
25.2M → Finish4126+15#20821#20806
TOTALS2300857+1443
📊

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