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BOSTON MARATHON 2025

Stephanie Cojocaru

Bib: 15396•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
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
7:01/mi
21:48
↑ 97↓ 3451.5%
10K· 6.21 mi
6:59/mi
43:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:05:22
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:27:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:32:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:50:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:14:14
↑ 181↓ 1480.2%
20M
7:43/mi
2:24:43
↑ 64↓ 500.2%
21M
8:16/mi
2:32:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:38:23
↑ 17↓ 861.7%
23M
7:37/mi
2:47:55
↑ 23↓ 630.6%
24M
7:28/mi
2:55:23
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:01:51
↓ 200.3%
25.2M
8:16/mi
3:04:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:12:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:41
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:39:28
Pace7:35 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2321:487:0121:48
7:01
-
10K
6.21 mi11:15:0443:297:0021:41
6:59
-0:02
15K
9.32 mi11:36:571:05:227:0121:53
7:03
+0:04
20K
12.43 mi11:59:271:27:527:0422:30
7:15
+0:12
Half
13.11 mi12:04:161:32:417:044:49
7:04
-0:11
25K
15.53 mi12:21:591:50:247:0617:43
7:18
+0:14
30K
18.64 mi12:45:492:14:147:1223:50
7:40
+0:22
20M
20.00 mi12:56:182:24:437:1410:29
7:43
+0:03
21M
21.00 mi13:04:342:32:597:178:16
8:16
+0:33
35K
21.75 mi13:09:582:38:237:175:24
7:13
-1:03
23M
23.00 mi13:19:302:47:557:189:32
7:37
+0:24
24M
24.00 mi13:26:582:55:237:187:28
7:28
-0:09
40K
24.85 mi13:33:263:01:517:196:28
7:34
+0:06
25.2M
25.20 mi13:36:173:04:427:202:51
8:16
+0:42
Finish
26.22 mi13:43:443:12:097:207:27
7:19
-0:57

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

6:59 /mi

Average Pace

7:20 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:33

89% of race

Time at Steady Pace

10:29

5% of race

Time at Slower Pace

11:07

6% of race

Average Pace: 7:20 /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 mi10:53:2321:487:0121:48
7:01
#7971
10K
6.21 mi11:15:0443:297:0021:41
6:59
#7849
15K
9.32 mi11:36:571:05:227:0121:53
7:03
#7849
20K
12.43 mi11:59:271:27:527:0422:30
7:15
#7971
Half
13.11 mi12:04:161:32:417:044:49
7:04
#7961
25K
15.53 mi12:21:591:50:247:0617:43
7:18
#7966
30K
18.64 mi12:45:492:14:147:1223:50
7:40
#8025
20M
20.00 mi12:56:182:24:437:1410:29
7:43
#8028
21M
21.00 mi13:04:342:32:597:178:16
8:16
#8007
35K
21.75 mi13:09:582:38:237:175:24
7:13
#7913
23M
23.00 mi13:19:302:47:557:189:32
7:37
#7820
24M
24.00 mi13:26:582:55:237:187:28
7:28
#7776
40K
24.85 mi13:33:263:01:517:196:28
7:34
#7721
25.2M
25.20 mi13:36:173:04:427:202:51
8:16
#7681
Finish
26.22 mi13:43:443:12:097:207:27
7:19
#7651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi79719729727929(Top 28%)1008(Top 8%)1008(Top 18%)
10K6.21 mi3.10 mi7849+122947+25947+257811(Top 27%)945(Top 8%)945(Top 17%)
15K9.32 mi3.11 mi7849948-1948-17929(Top 28%)1008(Top 8%)1008(Top 18%)
20K12.43 mi3.11 mi7971-1221017-691017-698563(Top 30%)1335(Top 11%)1335(Top 24%)
Half13.11 mi0.68 mi7961+101013+41013+48068(Top 28%)1112(Top 9%)1112(Top 20%)
25K15.53 mi2.42 mi7966-51041-281041-288425(Top 30%)1388(Top 11%)1388(Top 25%)
30K18.64 mi3.11 mi8025-591123-821123-828995(Top 32%)1830(Top 15%)1830(Top 33%)
20M20.00 mi1.36 mi8028-31158-351158-358458(Top 30%)1727(Top 14%)1727(Top 32%)
21M21.00 mi1.00 mi8007+211182-241182-249021(Top 32%)2164(Top 18%)2164(Top 40%)
35K21.75 mi0.75 mi7913+941167+151167+156774(Top 24%)1195(Top 10%)1195(Top 22%)
23M23.00 mi1.25 mi7820+931177-101177-107348(Top 26%)1547(Top 13%)1547(Top 28%)
24M24.00 mi1.00 mi7776+441191-141191-147473(Top 26%)1641(Top 13%)1641(Top 30%)
40K24.85 mi0.85 mi7721+551211-201211-207199(Top 25%)1629(Top 13%)1629(Top 30%)
25.2M25.20 mi0.35 mi7681+40121112117495(Top 26%)1835(Top 15%)1835(Top 34%)
Finish26.22 mi1.02 mi7651+301226-151226-157867(Top 28%)2008(Top 16%)2008(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7929

Females

1008

F18-39

1008

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7811

Females

945

F18-39

945

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7929

Females

1008

F18-39

1008

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8563

Females

1335

F18-39

1335

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

8068

Females

1112

F18-39

1112

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8425

Females

1388

F18-39

1388

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8995

Females

1830

F18-39

1830

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8458

Females

1727

F18-39

1727

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9021

Females

2164

F18-39

2164

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6774

Females

1195

F18-39

1195

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7348

Females

1547

F18-39

1547

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7473

Females

1641

F18-39

1641

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7199

Females

1629

F18-39

1629

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7495

Females

1835

F18-39

1835

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7867

Females

2008

F18-39

2008

Passing Analysis

Category:
Athletes Passed
1619
Passed By
1299
Net Change
+320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7971
5K → 10K273151+122#7971#7849
10K → 15K1421420#7849#7849
15K → 20K99221-122#7849#7971
20K → Half3222+10#7971#7961
Half → 25K126131-5#7961#7966
25K → 30K165224-59#7966#8025
30K → 20M107110-3#8025#8028
20M → 21M11291+21#8028#8007
21M → 35K10511+94#8007#7913
35K → 23M14249+93#7913#7820
23M → 24M8945+44#7820#7776
24M → 40K9944+55#7776#7721
40K → 25.2M5414+40#7721#7681
25.2M → Finish7444+30#7681#7651
TOTALS16191299+320
📊

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