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BOSTON MARATHON 2025

Stephanie Cosola

Bib: 24024•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F55-59)
#0 / 994
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:27/mi
26:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
52:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:18:39
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:44:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:50:36
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:13:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:59/mi
2:40:58
↑ 181↓ 1480.2%
20M
9:00/mi
2:53:12
↑ 64↓ 500.2%
21M
10:19/mi
3:03:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:10:04
↑ 17↓ 861.7%
23M
9:05/mi
3:21:26
↑ 23↓ 630.6%
24M
9:18/mi
3:30:44
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:38:32
↓ 200.3%
25.2M
10:00/mi
3:41:59
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
3:51:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:36
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:00:34
Pace9:12 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2526:168:2726:16
8:27
-
10K
6.21 mi11:50:4452:358:2826:19
8:28
+0:01
15K
9.32 mi12:16:481:18:398:2626:04
8:23
-0:05
20K
12.43 mi12:43:081:44:598:2726:20
8:29
+0:06
Half
13.11 mi12:48:451:50:368:265:37
8:14
-0:15
25K
15.53 mi13:11:122:13:038:3422:27
9:16
+1:02
30K
18.64 mi13:39:072:40:588:3827:55
8:59
-0:17
20M
20.00 mi13:51:212:53:128:4012:14
9:00
+0:01
21M
21.00 mi14:01:403:03:318:4410:19
10:19
+1:19
35K
21.75 mi14:08:133:10:048:446:33
8:45
-1:34
23M
23.00 mi14:19:353:21:268:4511:22
9:05
+0:20
24M
24.00 mi14:28:533:30:448:479:18
9:18
+0:13
40K
24.85 mi14:36:413:38:328:487:48
9:07
-0:11
25.2M
25.20 mi14:40:083:41:598:493:27
10:00
+0:53
Finish
26.22 mi14:49:193:51:108:499:11
9:01
-0:59

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

8:14 /mi

Average Pace

8:49 /mi

Slowest Pace

10:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:36

48% of race

Time at Steady Pace

1:37:30

42% of race

Time at Slower Pace

23:04

10% of race

Average Pace: 8:49 /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 mi11:24:2526:168:2726:16
8:27
#19628
10K
6.21 mi11:50:4452:358:2826:19
8:28
#19613
15K
9.32 mi12:16:481:18:398:2626:04
8:23
#19284
20K
12.43 mi12:43:081:44:598:2726:20
8:29
#18948
Half
13.11 mi12:48:451:50:368:265:37
8:14
#18872
25K
15.53 mi13:11:122:13:038:3422:27
9:16
#19298
30K
18.64 mi13:39:072:40:588:3827:55
8:59
#18952
20M
20.00 mi13:51:212:53:128:4012:14
9:00
#18793
21M
21.00 mi14:01:403:03:318:4410:19
10:19
#18841
35K
21.75 mi14:08:133:10:048:446:33
8:45
#18766
23M
23.00 mi14:19:353:21:268:4511:22
9:05
#18631
24M
24.00 mi14:28:533:30:448:479:18
9:18
#18642
40K
24.85 mi14:36:413:38:328:487:48
9:07
#18567
25.2M
25.20 mi14:40:083:41:598:493:27
10:00
#18539
Finish
26.22 mi14:49:193:51:108:499:11
9:01
#18580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi196287275727518648(Top 66%)6694(Top 55%)6694(Top 673%)
10K6.21 mi3.10 mi19613+157250+257250+2519636(Top 69%)7261(Top 59%)7261(Top 730%)
15K9.32 mi3.11 mi19284+3297049+2017049+20118648(Top 66%)6694(Top 55%)6694(Top 673%)
20K12.43 mi3.11 mi18948+3366871+1786871+17818082(Top 64%)6392(Top 52%)6392(Top 643%)
Half13.11 mi0.68 mi18872+766833+386833+3817565(Top 62%)6091(Top 50%)6091(Top 613%)
25K15.53 mi2.42 mi19298-4267086-2537086-25321015(Top 74%)8103(Top 66%)8103(Top 815%)
30K18.64 mi3.11 mi18952+3466917+1696917+16917633(Top 62%)6380(Top 52%)6380(Top 642%)
20M20.00 mi1.36 mi18793+1596855+626855+6216827(Top 59%)6052(Top 49%)6052(Top 609%)
21M21.00 mi1.00 mi18841-486910-556910-5519431(Top 68%)7572(Top 62%)7572(Top 762%)
35K21.75 mi0.75 mi18766+756890+206890+2017068(Top 60%)6389(Top 52%)6389(Top 643%)
23M23.00 mi1.25 mi18631+1356839+516839+5116730(Top 59%)6297(Top 51%)6297(Top 634%)
24M24.00 mi1.00 mi18642-116870-316870-3118831(Top 66%)7456(Top 61%)7456(Top 750%)
40K24.85 mi0.85 mi18567+756859+116859+1117008(Top 60%)6591(Top 54%)6591(Top 663%)
25.2M25.20 mi0.35 mi18539+286858+16858+117121(Top 60%)6659(Top 54%)6659(Top 670%)
Finish26.22 mi1.02 mi18580-416893-356893-3519128(Top 67%)7678(Top 63%)7678(Top 772%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18648

Females

6694

F55-59

6694

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19636

Females

7261

F55-59

7261

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18648

Females

6694

F55-59

6694

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18082

Females

6392

F55-59

6392

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17565

Females

6091

F55-59

6091

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21015

Females

8103

F55-59

8103

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17633

Females

6380

F55-59

6380

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16827

Females

6052

F55-59

6052

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19431

Females

7572

F55-59

7572

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17068

Females

6389

F55-59

6389

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16730

Females

6297

F55-59

6297

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18831

Females

7456

F55-59

7456

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17008

Females

6591

F55-59

6591

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17121

Females

6659

F55-59

6659

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19128

Females

7678

F55-59

7678

Passing Analysis

Category:
Athletes Passed
2424
Passed By
1376
Net Change
+1048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19628
5K → 10K264249+15#19628#19613
10K → 15K39869+329#19613#19284
15K → 20K38347+336#19284#18948
20K → Half804+76#18948#18872
Half → 25K71497-426#18872#19298
25K → 30K40559+346#19298#18952
30K → 20M19233+159#18952#18793
20M → 21M93141-48#18793#18841
21M → 35K9318+75#18841#18766
35K → 23M17035+135#18766#18631
23M → 24M6273-11#18631#18642
24M → 40K11540+75#18642#18567
40K → 25.2M5022+28#18567#18539
25.2M → Finish4889-41#18539#18580
TOTALS24241376+1048
📊

Passing Visuals

Category:
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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