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BOSTON MARATHON 2025

Laura Stephen

Bib: 23196•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F60-64)
#0 / 624
Top 5%
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
8:08/mi
25:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:42:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:47:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:08:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:35:06
↑ 181↓ 1480.2%
20M
8:36/mi
2:46:47
↑ 64↓ 500.2%
21M
9:15/mi
2:56:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
3:02:14
↑ 17↓ 861.7%
23M
8:34/mi
3:12:58
↑ 23↓ 630.6%
24M
8:23/mi
3:21:21
↓ 821.3%
40K· 24.85 mi
8:35/mi
3:28:41
↓ 200.3%
25.2M
9:25/mi
3:31:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:40:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:50
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:52:35
Pace8:35 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5425:178:0825:17
8:08
-
10K
6.21 mi11:47:1050:338:0825:16
8:08
0:00
15K
9.32 mi12:12:491:16:128:1125:39
8:15
+0:07
20K
12.43 mi12:38:451:42:088:1325:56
8:21
+0:06
Half
13.11 mi12:44:271:47:508:145:42
8:21
0:00
25K
15.53 mi13:04:452:08:088:1520:18
8:22
+0:01
30K
18.64 mi13:31:432:35:068:1926:58
8:41
+0:19
20M
20.00 mi13:43:242:46:478:2011:41
8:36
-0:05
21M
21.00 mi13:52:392:56:028:239:15
9:15
+0:39
35K
21.75 mi13:58:513:02:148:236:12
8:17
-0:58
23M
23.00 mi14:09:353:12:588:2310:44
8:34
+0:17
24M
24.00 mi14:17:583:21:218:238:23
8:23
-0:11
40K
24.85 mi14:25:183:28:418:247:20
8:35
+0:12
25.2M
25.20 mi14:28:333:31:568:253:15
9:25
+0:50
Finish
26.22 mi14:37:023:40:258:258:29
8:19
-1:06

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

8:08 /mi

Average Pace

8:25 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:55

94% of race

Time at Steady Pace

12:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:21:5425:178:0825:17
8:08
#17653
10K
6.21 mi11:47:1050:338:0825:16
8:08
#17528
15K
9.32 mi12:12:491:16:128:1125:39
8:15
#17607
20K
12.43 mi12:38:451:42:088:1325:56
8:21
#17466
Half
13.11 mi12:44:271:47:508:145:42
8:21
#17508
25K
15.53 mi13:04:452:08:088:1520:18
8:22
#17268
30K
18.64 mi13:31:432:35:068:1926:58
8:41
#16959
20M
20.00 mi13:43:242:46:478:2011:41
8:36
#16756
21M
21.00 mi13:52:392:56:028:239:15
9:15
#16597
35K
21.75 mi13:58:513:02:148:236:12
8:17
#16488
23M
23.00 mi14:09:353:12:588:2310:44
8:34
#16264
24M
24.00 mi14:17:583:21:218:238:23
8:23
#16137
40K
24.85 mi14:25:183:28:418:247:20
8:35
#16054
25.2M
25.20 mi14:28:333:31:568:253:15
9:25
#16008
Finish
26.22 mi14:37:023:40:258:258:29
8:19
#15974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi176536125612517776(Top 63%)6186(Top 51%)6186(Top 991%)
10K6.21 mi3.10 mi17528+1256054+716054+7117439(Top 61%)5961(Top 49%)5961(Top 955%)
15K9.32 mi3.11 mi17607-796083-296083-2917776(Top 63%)6186(Top 51%)6186(Top 991%)
20K12.43 mi3.11 mi17466+1416012+716012+7117215(Top 61%)5891(Top 48%)5891(Top 944%)
Half13.11 mi0.68 mi17508-426041-296041-2918297(Top 64%)6474(Top 53%)6474(Top 1038%)
25K15.53 mi2.42 mi17268+2405925+1165925+11616396(Top 58%)5530(Top 45%)5530(Top 886%)
30K18.64 mi3.11 mi16959+3095789+1365789+13615881(Top 56%)5389(Top 44%)5389(Top 864%)
20M20.00 mi1.36 mi16756+2035691+985691+9814446(Top 51%)4756(Top 39%)4756(Top 762%)
21M21.00 mi1.00 mi16597+1595634+575634+5714912(Top 52%)5128(Top 42%)5128(Top 822%)
35K21.75 mi0.75 mi16488+1095596+385596+3814219(Top 50%)4807(Top 39%)4807(Top 770%)
23M23.00 mi1.25 mi16264+2245501+955501+9513784(Top 49%)4693(Top 38%)4693(Top 752%)
24M24.00 mi1.00 mi16137+1275456+455456+4513803(Top 49%)4726(Top 39%)4726(Top 757%)
40K24.85 mi0.85 mi16054+835439+175439+1713956(Top 49%)4942(Top 40%)4942(Top 792%)
25.2M25.20 mi0.35 mi16008+465424+155424+1514234(Top 50%)5154(Top 42%)5154(Top 826%)
Finish26.22 mi1.02 mi15974+345417+75417+715094(Top 53%)5531(Top 45%)5531(Top 886%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17776

Females

6186

F60-64

6186

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17439

Females

5961

F60-64

5961

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17776

Females

6186

F60-64

6186

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17215

Females

5891

F60-64

5891

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18297

Females

6474

F60-64

6474

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16396

Females

5530

F60-64

5530

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15881

Females

5389

F60-64

5389

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14446

Females

4756

F60-64

4756

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14912

Females

5128

F60-64

5128

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14219

Females

4807

F60-64

4807

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13784

Females

4693

F60-64

4693

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13803

Females

4726

F60-64

4726

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13956

Females

4942

F60-64

4942

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14234

Females

5154

F60-64

5154

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15094

Females

5531

F60-64

5531

Passing Analysis

Category:
Athletes Passed
2630
Passed By
951
Net Change
+1679
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17653
5K → 10K353228+125#17653#17528
10K → 15K173252-79#17528#17607
15K → 20K255114+141#17607#17466
20K → Half1557-42#17466#17508
Half → 25K29757+240#17508#17268
25K → 30K38172+309#17268#16959
30K → 20M21815+203#16959#16756
20M → 21M18728+159#16756#16597
21M → 35K12011+109#16597#16488
35K → 23M24521+224#16488#16264
23M → 24M14316+127#16264#16137
24M → 40K10320+83#16137#16054
40K → 25.2M5610+46#16054#16008
25.2M → Finish8450+34#16008#15974
TOTALS2630951+1679
📊

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