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BOSTON MARATHON 2025

Carol Sullivan

Bib: 18858•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:55
Rank: #13977
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
48:04
Rank: #14211 (-234)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:12:33
Rank: #14492 (-281)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:37:18
Rank: #14491 (+1)
15K → 20K
24:45 | 7:58/mi
Half· 13.11 mi
1:42:42
Rank: #14522 (-31)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:02:44
Rank: #14723 (-201)
Half → 25K
20:02 | 8:16/mi
30K· 18.64 mi
2:29:17
Rank: #14812 (-89)
25K → 30K
26:33 | 8:33/mi
20M
2:41:06
Rank: #14791 (+21)
30K → 20M
11:49 | 8:42/mi
21M
2:51:12
Rank: #15053 (-262)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
2:57:45
Rank: #15107 (-54)
21M → 35K
6:33 | 8:45/mi
23M
3:09:05
Rank: #15195 (-88)
35K → 23M
11:20 | 9:03/mi
24M
3:17:54
Rank: #15232 (-37)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:25:31
Rank: #15228 (+4)
24M → 40K
7:37 | 8:54/mi
25.2M
3:28:52
Rank: #15246 (-18)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:37:04
Rank: #15145 (+101)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:42
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:54:22
Pace8:43 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3623:557:4223:55
7:42
-
10K
6.21 mi11:38:4548:047:4424:09
7:46
+0:04
15K
9.32 mi12:03:141:12:337:4724:29
7:53
+0:07
20K
12.43 mi12:27:591:37:187:5024:45
7:58
+0:05
Half
13.11 mi12:33:231:42:427:505:24
7:55
-0:03
25K
15.53 mi12:53:252:02:447:5420:02
8:16
+0:21
30K
18.64 mi13:19:582:29:178:0026:33
8:33
+0:17
20M
20.00 mi13:31:472:41:068:0311:49
8:42
+0:09
21M
21.00 mi13:41:532:51:128:0910:06
10:06
+1:24
35K
21.75 mi13:48:262:57:458:106:33
8:45
-1:21
23M
23.00 mi13:59:463:09:058:1311:20
9:03
+0:18
24M
24.00 mi14:08:353:17:548:158:49
8:49
-0:14
40K
24.85 mi14:16:123:25:318:167:37
8:54
+0:05
25.2M
25.20 mi14:19:333:28:528:173:21
9:43
+0:49
Finish
26.22 mi14:27:453:37:048:178:12
8:03
-1:40

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

7:42 /mi

Average Pace

8:17 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:54

51% of race

Time at Steady Pace

1:13:46

34% of race

Time at Slower Pace

32:24

15% of race

Average Pace: 8:17 /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 mi11:14:3623:557:4223:55
7:42
#13977
10K
6.21 mi11:38:4548:047:4424:09
7:46
#14211
15K
9.32 mi12:03:141:12:337:4724:29
7:53
#14492
20K
12.43 mi12:27:591:37:187:5024:45
7:58
#14491
Half
13.11 mi12:33:231:42:427:505:24
7:55
#14522
25K
15.53 mi12:53:252:02:447:5420:02
8:16
#14723
30K
18.64 mi13:19:582:29:178:0026:33
8:33
#14812
20M
20.00 mi13:31:472:41:068:0311:49
8:42
#14791
21M
21.00 mi13:41:532:51:128:0910:06
10:06
#15053
35K
21.75 mi13:48:262:57:458:106:33
8:45
#15107
23M
23.00 mi13:59:463:09:058:1311:20
9:03
#15195
24M
24.00 mi14:08:353:17:548:158:49
8:49
#15232
40K
24.85 mi14:16:123:25:318:167:37
8:54
#15228
25.2M
25.20 mi14:19:333:28:528:173:21
9:43
#15246
Finish
26.22 mi14:27:453:37:048:178:12
8:03
#15145
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi139773898389815104(Top 53%)4644(Top 38%)4644(Top 270%)
10K6.21 mi3.10 mi14211-2344064-1664064-16614583(Top 51%)4307(Top 35%)4307(Top 251%)
15K9.32 mi3.11 mi14492-2814251-1874251-18715104(Top 53%)4644(Top 38%)4644(Top 270%)
20K12.43 mi3.11 mi14491+14284-334284-3314682(Top 52%)4475(Top 37%)4475(Top 260%)
Half13.11 mi0.68 mi14522-314305-214305-2115289(Top 54%)4786(Top 39%)4786(Top 279%)
25K15.53 mi2.42 mi14723-2014460-1554460-15515685(Top 55%)5119(Top 42%)5119(Top 298%)
30K18.64 mi3.11 mi14812-894569-1094569-10915061(Top 53%)4936(Top 40%)4936(Top 287%)
20M20.00 mi1.36 mi14791+214575-64575-615049(Top 53%)5070(Top 41%)5070(Top 295%)
21M21.00 mi1.00 mi15053-2624753-1784753-17818677(Top 66%)7159(Top 59%)7159(Top 417%)
35K21.75 mi0.75 mi15107-544801-484801-4817032(Top 60%)6353(Top 52%)6353(Top 370%)
23M23.00 mi1.25 mi15195-884886-854886-8516555(Top 58%)6196(Top 51%)6196(Top 361%)
24M24.00 mi1.00 mi15232-374942-564942-5616424(Top 58%)6160(Top 50%)6160(Top 359%)
40K24.85 mi0.85 mi15228+44976-344976-3415813(Top 56%)5942(Top 49%)5942(Top 346%)
25.2M25.20 mi0.35 mi15246-184997-214997-2115714(Top 55%)5925(Top 48%)5925(Top 345%)
Finish26.22 mi1.02 mi15145+1014957+404957+4013231(Top 47%)4571(Top 37%)4571(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15104

Females

4644

F40-44

4644

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14583

Females

4307

F40-44

4307

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15104

Females

4644

F40-44

4644

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14682

Females

4475

F40-44

4475

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15289

Females

4786

F40-44

4786

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15685

Females

5119

F40-44

5119

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15061

Females

4936

F40-44

4936

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15049

Females

5070

F40-44

5070

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18677

Females

7159

F40-44

7159

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17032

Females

6353

F40-44

6353

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16555

Females

6196

F40-44

6196

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16424

Females

6160

F40-44

6160

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15813

Females

5942

F40-44

5942

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15714

Females

5925

F40-44

5925

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13231

Females

4571

F40-44

4571

Passing Analysis

Category:
Athletes Passed
1470
Passed By
2638
Net Change
-1168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13977
5K → 10K176410-234#13977#14211
10K → 15K119400-281#14211#14492
15K → 20K202201+1#14492#14491
20K → Half2859-31#14491#14522
Half → 25K122323-201#14522#14723
25K → 30K213302-89#14723#14812
30K → 20M140119+21#14812#14791
20M → 21M54316-262#14791#15053
21M → 35K4296-54#15053#15107
35K → 23M82170-88#15107#15195
23M → 24M68105-37#15195#15232
24M → 40K7470+4#15232#15228
40K → 25.2M2745-18#15228#15246
25.2M → Finish12322+101#15246#15145
TOTALS14702638-1168
📊

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