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BOSTON MARATHON 2025

Kristen Scruggs

Bib: 8463•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:49
Rank: #13669
Start → 5K
23:49 | 7:40/mi
10K· 6.21 mi
47:50
Rank: #13904 (-235)
5K → 10K
24:01 | 7:44/mi
15K· 9.32 mi
1:11:48
Rank: #13777 (+127)
10K → 15K
23:58 | 7:43/mi
20K· 12.43 mi
1:35:51
Rank: #13479 (+298)
15K → 20K
24:03 | 7:44/mi
Half· 13.11 mi
1:41:03
Rank: #13434 (+45)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:59:44
Rank: #13082 (+352)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:24:35
Rank: #12703 (+379)
25K → 30K
24:51 | 8:00/mi
20M
2:35:41
Rank: #12602 (+101)
30K → 20M
11:06 | 8:10/mi
21M
2:44:21
Rank: #12505 (+97)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:50:14
Rank: #12437 (+68)
21M → 35K
5:53 | 7:52/mi
23M
3:00:07
Rank: #12220 (+217)
35K → 23M
9:53 | 7:54/mi
24M
3:07:45
Rank: #12034 (+186)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:14:23
Rank: #11864 (+170)
24M → 40K
6:38 | 7:45/mi
25.2M
3:17:13
Rank: #11773 (+91)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:24:28
Rank: #11497 (+276)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:03
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:43:25
Pace7:53 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:5423:497:4023:49
7:40
-
10K
6.21 mi10:55:5547:507:4224:01
7:44
+0:04
15K
9.32 mi11:19:531:11:487:4223:58
7:43
-0:01
20K
12.43 mi11:43:561:35:517:4324:03
7:44
+0:01
Half
13.11 mi11:49:081:41:037:425:12
7:37
-0:07
25K
15.53 mi12:07:491:59:447:4218:41
7:42
+0:05
30K
18.64 mi12:32:402:24:357:4524:51
8:00
+0:18
20M
20.00 mi12:43:462:35:417:4711:06
8:10
+0:10
21M
21.00 mi12:52:262:44:217:508:40
8:40
+0:30
35K
21.75 mi12:58:192:50:147:505:53
7:52
-0:48
23M
23.00 mi13:08:123:00:077:509:53
7:54
+0:02
24M
24.00 mi13:15:503:07:457:497:38
7:38
-0:16
40K
24.85 mi13:22:283:14:237:496:38
7:45
+0:07
25.2M
25.20 mi13:25:183:17:137:502:50
8:13
+0:28
Finish
26.22 mi13:32:333:24:287:487:15
7:07
-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

7:07 /mi

Average Pace

7:48 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:15

4% of race

Time at Steady Pace

2:29:46

73% of race

Time at Slower Pace

47:27

23% of race

Average Pace: 7:48 /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 mi10:31:5423:497:4023:49
7:40
#13669
10K
6.21 mi10:55:5547:507:4224:01
7:44
#13904
15K
9.32 mi11:19:531:11:487:4223:58
7:43
#13777
20K
12.43 mi11:43:561:35:517:4324:03
7:44
#13479
Half
13.11 mi11:49:081:41:037:425:12
7:37
#13434
25K
15.53 mi12:07:491:59:447:4218:41
7:42
#13082
30K
18.64 mi12:32:402:24:357:4524:51
8:00
#12703
20M
20.00 mi12:43:462:35:417:4711:06
8:10
#12602
21M
21.00 mi12:52:262:44:217:508:40
8:40
#12505
35K
21.75 mi12:58:192:50:147:505:53
7:52
#12437
23M
23.00 mi13:08:123:00:077:509:53
7:54
#12220
24M
24.00 mi13:15:503:07:457:497:38
7:38
#12034
40K
24.85 mi13:22:283:14:237:496:38
7:45
#11864
25.2M
25.20 mi13:25:183:17:137:502:50
8:13
#11773
Finish
26.22 mi13:32:333:24:287:487:15
7:07
#11497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136693689368913640(Top 48%)3803(Top 31%)3803(Top 221%)
10K6.21 mi3.10 mi13904-2353882-1933882-19314174(Top 50%)4062(Top 33%)4062(Top 236%)
15K9.32 mi3.11 mi13777+1273837+453837+4513640(Top 48%)3803(Top 31%)3803(Top 221%)
20K12.43 mi3.11 mi13479+2983714+1233714+12312770(Top 45%)3419(Top 28%)3419(Top 199%)
Half13.11 mi0.68 mi13434+453690+243690+2412792(Top 45%)3371(Top 28%)3371(Top 196%)
25K15.53 mi2.42 mi13082+3523525+1653525+16511606(Top 41%)2910(Top 24%)2910(Top 169%)
30K18.64 mi3.11 mi12703+3793374+1513374+15111366(Top 40%)2962(Top 24%)2962(Top 172%)
20M20.00 mi1.36 mi12602+1013362+123362+1211612(Top 41%)3234(Top 26%)3234(Top 188%)
21M21.00 mi1.00 mi12505+973343+193343+1911490(Top 40%)3345(Top 27%)3345(Top 195%)
35K21.75 mi0.75 mi12437+683330+133330+1311329(Top 40%)3281(Top 27%)3281(Top 191%)
23M23.00 mi1.25 mi12220+2173254+763254+769280(Top 33%)2396(Top 20%)2396(Top 139%)
24M24.00 mi1.00 mi12034+1863190+643190+648702(Top 31%)2197(Top 18%)2197(Top 128%)
40K24.85 mi0.85 mi11864+1703139+513139+518535(Top 30%)2250(Top 18%)2250(Top 131%)
25.2M25.20 mi0.35 mi11773+913102+373102+377271(Top 26%)1787(Top 15%)1787(Top 104%)
Finish26.22 mi1.02 mi11497+2763006+963006+966517(Top 23%)1460(Top 12%)1460(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13640

Females

3803

F40-44

3803

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14174

Females

4062

F40-44

4062

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13640

Females

3803

F40-44

3803

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12770

Females

3419

F40-44

3419

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12792

Females

3371

F40-44

3371

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11606

Females

2910

F40-44

2910

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11366

Females

2962

F40-44

2962

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11612

Females

3234

F40-44

3234

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11490

Females

3345

F40-44

3345

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11329

Females

3281

F40-44

3281

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9280

Females

2396

F40-44

2396

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8702

Females

2197

F40-44

2197

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8535

Females

2250

F40-44

2250

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7271

Females

1787

F40-44

1787

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6517

Females

1460

F40-44

1460

Passing Analysis

Category:
Athletes Passed
3063
Passed By
891
Net Change
+2172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13669
5K → 10K193428-235#13669#13904
10K → 15K257130+127#13904#13777
15K → 20K36062+298#13777#13479
20K → Half6015+45#13479#13434
Half → 25K36715+352#13434#13082
25K → 30K44364+379#13082#12703
30K → 20M15857+101#12703#12602
20M → 21M14952+97#12602#12505
21M → 35K10032+68#12505#12437
35K → 23M23114+217#12437#12220
23M → 24M1937+186#12220#12034
24M → 40K1799+170#12034#11864
40K → 25.2M932+91#11864#11773
25.2M → Finish2804+276#11773#11497
TOTALS3063891+2172
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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