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BOSTON MARATHON 2025

Laura Scudder

Bib: 18611•F

AR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 18%
Division (F45-49)
#0 / 1813
Top 21%
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
7:54/mi
24:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:12:45
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:01:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:27:30
↑ 181↓ 1480.2%
20M
8:22/mi
2:38:52
↑ 64↓ 500.2%
21M
9:09/mi
2:48:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:53:56
↑ 17↓ 861.7%
23M
8:19/mi
3:04:21
↑ 23↓ 630.6%
24M
8:04/mi
3:12:25
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:19:30
↓ 200.3%
25.2M
9:11/mi
3:22:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:31:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:32
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:48:35
Pace8:17 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2724:347:5424:34
7:54
-
10K
6.21 mi11:39:3648:437:5024:09
7:46
-0:08
15K
9.32 mi12:03:381:12:457:4824:02
7:44
-0:02
20K
12.43 mi12:28:061:37:137:4924:28
7:53
+0:09
Half
13.11 mi12:33:251:42:327:495:19
7:48
-0:05
25K
15.53 mi12:52:402:01:477:5019:15
7:56
+0:08
30K
18.64 mi13:18:232:27:307:5525:43
8:17
+0:21
20M
20.00 mi13:29:452:38:527:5711:22
8:22
+0:05
21M
21.00 mi13:38:542:48:018:009:09
9:09
+0:47
35K
21.75 mi13:44:492:53:568:005:55
7:55
-1:14
23M
23.00 mi13:55:143:04:218:0110:25
8:19
+0:24
24M
24.00 mi14:03:183:12:258:018:04
8:04
-0:15
40K
24.85 mi14:10:233:19:308:027:05
8:17
+0:13
25.2M
25.20 mi14:13:333:22:408:033:10
9:11
+0:54
Finish
26.22 mi14:22:003:31:078:038:27
8:18
-0:53

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

7:44 /mi

Average Pace

8:03 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:48

94% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

12:19

6% of race

Average Pace: 8:03 /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 mi11:15:2724:347:5424:34
7:54
#15772
10K
6.21 mi11:39:3648:437:5024:09
7:46
#15159
15K
9.32 mi12:03:381:12:457:4824:02
7:44
#14667
20K
12.43 mi12:28:061:37:137:4924:28
7:53
#14434
Half
13.11 mi12:33:251:42:327:495:19
7:48
#14408
25K
15.53 mi12:52:402:01:477:5019:15
7:56
#14220
30K
18.64 mi13:18:232:27:307:5525:43
8:17
#13986
20M
20.00 mi13:29:452:38:527:5711:22
8:22
#13863
21M
21.00 mi13:38:542:48:018:009:09
9:09
#13863
35K
21.75 mi13:44:492:53:568:005:55
7:55
#13758
23M
23.00 mi13:55:143:04:218:0110:25
8:19
#13630
24M
24.00 mi14:03:183:12:258:018:04
8:04
#13530
40K
24.85 mi14:10:233:19:308:027:05
8:17
#13458
25.2M
25.20 mi14:13:333:22:408:033:10
9:11
#13438
Finish
26.22 mi14:22:003:31:078:038:27
8:18
#13515
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi157725001500113830(Top 49%)3916(Top 32%)3916(Top 216%)
10K6.21 mi3.10 mi15159+6134640+3614640+36114573(Top 51%)4297(Top 35%)4297(Top 237%)
15K9.32 mi3.11 mi14667+4924353+2874353+28713830(Top 49%)3916(Top 32%)3916(Top 216%)
20K12.43 mi3.11 mi14434+2334252+1014252+10113897(Top 49%)4034(Top 33%)4034(Top 223%)
Half13.11 mi0.68 mi14408+264237+154237+1514253(Top 50%)4204(Top 34%)4204(Top 232%)
25K15.53 mi2.42 mi14220+1884169+684169+6813439(Top 47%)3906(Top 32%)3906(Top 215%)
30K18.64 mi3.11 mi13986+2344099+704099+7013347(Top 47%)4025(Top 33%)4025(Top 222%)
20M20.00 mi1.36 mi13863+1234066+334066+3312947(Top 46%)3945(Top 32%)3945(Top 218%)
21M21.00 mi1.00 mi138634092-264092-2614361(Top 51%)4815(Top 39%)4815(Top 266%)
35K21.75 mi0.75 mi13758+1054056+364056+3611698(Top 41%)3500(Top 29%)3500(Top 193%)
23M23.00 mi1.25 mi13630+1284027+294027+2912180(Top 43%)3837(Top 31%)3837(Top 212%)
24M24.00 mi1.00 mi13530+1003991+363991+3611718(Top 41%)3671(Top 30%)3671(Top 202%)
40K24.85 mi0.85 mi13458+723971+203971+2012086(Top 43%)3959(Top 32%)3959(Top 218%)
25.2M25.20 mi0.35 mi13438+203979-83979-812864(Top 45%)4422(Top 36%)4422(Top 244%)
Finish26.22 mi1.02 mi13515-774048-694048-6914870(Top 52%)5398(Top 44%)5398(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13830

Females

3916

F45-49

3916

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14573

Females

4297

F45-49

4297

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13830

Females

3916

F45-49

3916

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13897

Females

4034

F45-49

4034

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14253

Females

4204

F45-49

4204

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13439

Females

3906

F45-49

3906

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13347

Females

4025

F45-49

4025

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12947

Females

3945

F45-49

3945

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14361

Females

4815

F45-49

4815

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11698

Females

3500

F45-49

3500

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12180

Females

3837

F45-49

3837

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11718

Females

3671

F45-49

3671

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12086

Females

3959

F45-49

3959

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12864

Females

4422

F45-49

4422

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14870

Females

5398

F45-49

5398

Passing Analysis

Category:
Athletes Passed
3133
Passed By
876
Net Change
+2257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15772
5K → 10K714101+613#15772#15159
10K → 15K52230+492#15159#14667
15K → 20K31885+233#14667#14434
20K → Half5024+26#14434#14408
Half → 25K25870+188#14408#14220
25K → 30K363129+234#14220#13986
30K → 20M18057+123#13986#13863
20M → 21M99990#13863#13863
21M → 35K11712+105#13863#13758
35K → 23M17648+128#13758#13630
23M → 24M13131+100#13630#13530
24M → 40K10735+72#13530#13458
40K → 25.2M4828+20#13458#13438
25.2M → Finish50127-77#13438#13515
TOTALS3133876+2257
📊

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