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BOSTON MARATHON 2025

Rosie Williams

Bib: 24725•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:39
Rank: #20333
Start → 5K
8:35/mi
26:39 split
10K· 6.21 mi
54:12
Rank: #21009 (-676)
5K → 10K
8:52/mi
27:33 split
15K· 9.32 mi
1:22:34
Rank: #21570 (-561)
10K → 15K
9:08/mi
28:22 split
20K· 12.43 mi
1:52:20
Rank: #22095 (-525)
15K → 20K
9:35/mi
29:46 split
Half· 13.11 mi
1:58:48
Rank: #22188 (-93)
20K → Half
9:29/mi
6:28 split
25K· 15.53 mi
2:23:46
Rank: #22631 (-443)
Half → 25K
10:18/mi
24:58 split
30K· 18.64 mi
2:56:23
Rank: #22690 (-59)
25K → 30K
10:30/mi
32:37 split
20M
3:10:48
Rank: #22679 (+11)
30K → 20M
10:37/mi
14:25 split
21M
3:22:12
Rank: #22649 (+30)
20M → 21M
11:24/mi
11:24 split
35K· 21.75 mi
3:29:40
Rank: #22596 (+53)
21M → 35K
9:59/mi
7:28 split
23M
3:42:56
Rank: #22571 (+25)
35K → 23M
10:36/mi
13:16 split
24M
3:53:32
Rank: #22572 (-1)
23M → 24M
10:36/mi
10:36 split
40K· 24.85 mi
4:02:22
Rank: #22532 (+40)
24M → 40K
10:20/mi
8:50 split
25.2M
4:06:21
Rank: #22532
40K → 25.2M
11:33/mi
3:59 split
Finish· 26.22 mi
4:16:33
Rank: #22537 (-5)
25.2M → Finish
10:01/mi
10:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:48
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:17:45
Pace10:30 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2826:398:3526:39
8:35
-
10K
6.21 mi11:55:0154:128:4327:33
8:52
+0:17
15K
9.32 mi12:23:231:22:348:5228:22
9:08
+0:16
20K
12.43 mi12:53:091:52:209:0229:46
9:35
+0:27
Half
13.11 mi12:59:371:58:489:046:28
9:29
-0:06
25K
15.53 mi13:24:352:23:469:1524:58
10:18
+0:49
30K
18.64 mi13:57:122:56:239:2832:37
10:30
+0:12
20M
20.00 mi14:11:373:10:489:3214:25
10:37
+0:07
21M
21.00 mi14:23:013:22:129:3811:24
11:24
+0:47
35K
21.75 mi14:30:293:29:409:387:28
9:59
-1:25
23M
23.00 mi14:43:453:42:569:4213:16
10:36
+0:37
24M
24.00 mi14:54:213:53:329:4410:36
10:36
0:00
40K
24.85 mi15:03:114:02:229:458:50
10:20
-0:16
25.2M
25.20 mi15:07:104:06:219:473:59
11:33
+1:13
Finish
26.22 mi15:17:224:16:339:4810:12
10:01
-1:32

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

8:35 /mi

Average Pace

9:48 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:48

46% of race

Time at Steady Pace

2:02:22

48% of race

Time at Slower Pace

15:23

6% of race

Average Pace: 9:47 /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 mi11:27:2826:398:3526:39
8:35
#20333
10K
6.21 mi11:55:0154:128:4327:33
8:52
#21009
15K
9.32 mi12:23:231:22:348:5228:22
9:08
#21570
20K
12.43 mi12:53:091:52:209:0229:46
9:35
#22095
Half
13.11 mi12:59:371:58:489:046:28
9:29
#22188
25K
15.53 mi13:24:352:23:469:1524:58
10:18
#22631
30K
18.64 mi13:57:122:56:239:2832:37
10:30
#22690
20M
20.00 mi14:11:373:10:489:3214:25
10:37
#22679
21M
21.00 mi14:23:013:22:129:3811:24
11:24
#22649
35K
21.75 mi14:30:293:29:409:387:28
9:59
#22596
23M
23.00 mi14:43:453:42:569:4213:16
10:36
#22571
24M
24.00 mi14:54:213:53:329:4410:36
10:36
#22572
40K
24.85 mi15:03:114:02:229:458:50
10:20
#22532
25.2M
25.20 mi15:07:104:06:219:473:59
11:33
#22532
Finish
26.22 mi15:17:224:16:339:4810:12
10:01
#22537
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi203337704770422583(Top 80%)8885(Top 73%)8885(Top 894%)
10K6.21 mi3.10 mi21009-6768062-3588062-35821720(Top 76%)8437(Top 69%)8437(Top 849%)
15K9.32 mi3.11 mi21570-5618346-2848346-28422583(Top 80%)8885(Top 73%)8885(Top 894%)
20K12.43 mi3.11 mi22095-5258648-3028648-30223144(Top 81%)9221(Top 75%)9221(Top 928%)
Half13.11 mi0.68 mi22188-938702-548702-5423480(Top 83%)9430(Top 77%)9430(Top 949%)
25K15.53 mi2.42 mi22631-4438945-2438945-24323940(Top 84%)9711(Top 79%)9711(Top 977%)
30K18.64 mi3.11 mi22690-599011-669011-6622937(Top 81%)9286(Top 76%)9286(Top 934%)
20M20.00 mi1.36 mi22679+119032-219032-2122711(Top 80%)9261(Top 76%)9261(Top 932%)
21M21.00 mi1.00 mi22649+309030+29030+222378(Top 79%)9187(Top 75%)9187(Top 924%)
35K21.75 mi0.75 mi22596+539017+139017+1321823(Top 77%)8957(Top 73%)8957(Top 901%)
23M23.00 mi1.25 mi22571+259027-109027-1022247(Top 78%)9203(Top 75%)9203(Top 926%)
24M24.00 mi1.00 mi22572-19059-329059-3223052(Top 81%)9672(Top 79%)9672(Top 973%)
40K24.85 mi0.85 mi22532+409048+119048+1121443(Top 75%)8907(Top 73%)8907(Top 896%)
25.2M25.20 mi0.35 mi225329052-49052-422131(Top 78%)9239(Top 76%)9239(Top 929%)
Finish26.22 mi1.02 mi22537-59082-309082-3022946(Top 81%)9647(Top 79%)9647(Top 971%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22583

Females

8885

F55-59

8885

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21720

Females

8437

F55-59

8437

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22583

Females

8885

F55-59

8885

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23144

Females

9221

F55-59

9221

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23480

Females

9430

F55-59

9430

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23940

Females

9711

F55-59

9711

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

22937

Females

9286

F55-59

9286

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22711

Females

9261

F55-59

9261

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22378

Females

9187

F55-59

9187

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21823

Females

8957

F55-59

8957

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22247

Females

9203

F55-59

9203

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23052

Females

9672

F55-59

9672

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21443

Females

8907

F55-59

8907

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22131

Females

9239

F55-59

9239

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22946

Females

9647

F55-59

9647

Passing Analysis

Category:
Athletes Passed
917
Passed By
3121
Net Change
-2204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20333
5K → 10K73749-676#20333#21009
10K → 15K71632-561#21009#21570
15K → 20K77602-525#21570#22095
20K → Half9102-93#22095#22188
Half → 25K40483-443#22188#22631
25K → 30K151210-59#22631#22690
30K → 20M7968+11#22690#22679
20M → 21M9060+30#22679#22649
21M → 35K6916+53#22649#22596
35K → 23M8156+25#22596#22571
23M → 24M5354-1#22571#22572
24M → 40K6121+40#22572#22532
40K → 25.2M15150#22532#22532
25.2M → Finish4853-5#22532#22537
TOTALS9173121-2204
📊

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