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BOSTON MARATHON 2025

Stephanie Kotob

Bib: 29514•F

MA

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

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
9:56/mi
30:53
↑ 97↓ 3451.5%
10K· 6.21 mi
9:46/mi
1:01:15
↑ 79↓ 1380.4%
15K· 9.32 mi
9:49/mi
1:31:46
↑ 67↓ 78
20K· 12.43 mi
11:42/mi
2:08:08
↑ 106↓ 860.1%
Half· 13.11 mi
10:14/mi
2:15:07
↑ 19↓ 370.5%
25K· 15.53 mi
11:23/mi
2:42:43
↑ 66↓ 880.2%
30K· 18.64 mi
10:52/mi
3:16:30
↑ 181↓ 1480.2%
20M
10:56/mi
3:31:21
↑ 64↓ 500.2%
21M
11:21/mi
3:42:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:59/mi
3:50:10
↑ 17↓ 861.7%
23M
10:38/mi
4:03:29
↑ 23↓ 630.6%
24M
10:08/mi
4:13:37
↓ 821.3%
40K· 24.85 mi
10:21/mi
4:22:28
↓ 200.3%
25.2M
11:56/mi
4:26:35
↑ 13↓ 160.2%
Finish· 26.22 mi
10:12/mi
4:36:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:07
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:21:52
Pace10:49 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1930:539:5630:53
9:56
-
10K
6.21 mi12:19:411:01:159:5130:22
9:46
-0:10
15K
9.32 mi12:50:121:31:469:5130:31
9:49
+0:03
20K
12.43 mi13:26:342:08:0810:1936:22
11:42
+1:53
Half
13.11 mi13:33:332:15:0710:186:59
10:14
-1:28
25K
15.53 mi14:01:092:42:4310:2827:36
11:23
+1:09
30K
18.64 mi14:34:563:16:3010:3233:47
10:52
-0:31
20M
20.00 mi14:49:473:31:2110:3414:51
10:56
+0:04
21M
21.00 mi15:01:083:42:4210:3611:21
11:21
+0:25
35K
21.75 mi15:08:363:50:1010:357:28
9:59
-1:22
23M
23.00 mi15:21:554:03:2910:3513:19
10:38
+0:39
24M
24.00 mi15:32:034:13:3710:3410:08
10:08
-0:30
40K
24.85 mi15:40:544:22:2810:348:51
10:21
+0:13
25.2M
25.20 mi15:45:014:26:3510:354:07
11:56
+1:35
Finish
26.22 mi15:55:254:36:5910:3410:24
10:12
-1:44

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

9:46 /mi

Average Pace

10:34 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:14

36% of race

Time at Steady Pace

49:41

18% of race

Time at Slower Pace

2:08:04

46% of race

Average Pace: 10:34 /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 mi11:49:1930:539:5630:53
9:56
#25450
10K
6.21 mi12:19:411:01:159:5130:22
9:46
#25085
15K
9.32 mi12:50:121:31:469:5130:31
9:49
#24918
20K
12.43 mi13:26:342:08:0810:1936:22
11:42
#25631
Half
13.11 mi13:33:332:15:0710:186:59
10:14
#25619
25K
15.53 mi14:01:092:42:4310:2827:36
11:23
#25655
30K
18.64 mi14:34:563:16:3010:3233:47
10:52
#25322
20M
20.00 mi14:49:473:31:2110:3414:51
10:56
#25194
21M
21.00 mi15:01:083:42:4210:3611:21
11:21
#25055
35K
21.75 mi15:08:363:50:1010:357:28
9:59
#24990
23M
23.00 mi15:21:554:03:2910:3513:19
10:38
#24859
24M
24.00 mi15:32:034:13:3710:3410:08
10:08
#24759
40K
24.85 mi15:40:544:22:2810:348:51
10:21
#24658
25.2M
25.20 mi15:45:014:26:3510:354:07
11:56
#24653
Finish
26.22 mi15:55:254:36:5910:3410:24
10:12
#24615
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25450104511045124602(Top 87%)10008(Top 82%)10008(Top 183%)
10K6.21 mi3.10 mi25085+36510270+18110270+18124797(Top 87%)10120(Top 83%)10120(Top 185%)
15K9.32 mi3.11 mi24918+16710180+9010180+9024602(Top 87%)10008(Top 82%)10008(Top 183%)
20K12.43 mi3.11 mi25631-71310581-40110581-40126847(Top 95%)11301(Top 92%)11301(Top 207%)
Half13.11 mi0.68 mi25619+1210571+1010571+1025334(Top 89%)10450(Top 85%)10450(Top 191%)
25K15.53 mi2.42 mi25655-3610602-3110602-3125717(Top 91%)10704(Top 88%)10704(Top 196%)
30K18.64 mi3.11 mi25322+33310460+14210460+14223759(Top 84%)9734(Top 80%)9734(Top 178%)
20M20.00 mi1.36 mi25194+12810408+5210408+5223469(Top 83%)9667(Top 79%)9667(Top 177%)
21M21.00 mi1.00 mi25055+13910333+7510333+7522289(Top 78%)9132(Top 75%)9132(Top 167%)
35K21.75 mi0.75 mi24990+6510306+2710306+2721880(Top 77%)8988(Top 74%)8988(Top 164%)
23M23.00 mi1.25 mi24859+13110249+5710249+5722383(Top 79%)9279(Top 76%)9279(Top 170%)
24M24.00 mi1.00 mi24759+10010212+3710212+3721780(Top 77%)9029(Top 74%)9029(Top 165%)
40K24.85 mi0.85 mi24658+10110175+3710175+3721557(Top 76%)8967(Top 73%)8967(Top 164%)
25.2M25.20 mi0.35 mi24653+510173+210173+223139(Top 81%)9737(Top 80%)9737(Top 178%)
Finish26.22 mi1.02 mi24615+3810161+1210161+1223556(Top 83%)9955(Top 81%)9955(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24602

Females

10008

F18-39

10008

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24797

Females

10120

F18-39

10120

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24602

Females

10008

F18-39

10008

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26847

Females

11301

F18-39

11301

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25334

Females

10450

F18-39

10450

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25717

Females

10704

F18-39

10704

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23759

Females

9734

F18-39

9734

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23469

Females

9667

F18-39

9667

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22289

Females

9132

F18-39

9132

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21880

Females

8988

F18-39

8988

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22383

Females

9279

F18-39

9279

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21780

Females

9029

F18-39

9029

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21557

Females

8967

F18-39

8967

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23139

Females

9737

F18-39

9737

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23556

Females

9955

F18-39

9955

Passing Analysis

Category:
Athletes Passed
1851
Passed By
1016
Net Change
+835
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25450
5K → 10K41146+365#25450#25085
10K → 15K22255+167#25085#24918
15K → 20K12725-713#24918#25631
20K → Half2311+12#25631#25619
Half → 25K92128-36#25619#25655
25K → 30K3418+333#25655#25322
30K → 20M1357+128#25322#25194
20M → 21M1456+139#25194#25055
21M → 35K661+65#25055#24990
35K → 23M1365+131#24990#24859
23M → 24M1000+100#24859#24759
24M → 40K1032+101#24759#24658
40K → 25.2M105+5#24658#24653
25.2M → Finish5517+38#24653#24615
TOTALS18511016+835
📊

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