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BOSTON MARATHON 2023

Sonia Casado

Bib: 31352•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 22%
Masters (Masters Women)
#0 / 6539
Top 10%
Division (F45-49)
#0 / 1817
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #13260
Start → 5K
24:33 | 7:54/mi
10K· 6.21 mi
47:27
Rank: #11237 (+2023)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:11:00
Rank: #11090 (+147)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:35:03
Rank: #11098 (-8)
15K → 20K
24:03 | 7:44/mi
Half· 13.11 mi
1:40:07
Rank: #11016 (+82)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:59:18
Rank: #11147 (-131)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:24:20
Rank: #11107 (+40)
25K → 30K
25:02 | 8:03/mi
20M
2:35:25
Rank: #11105 (+2)
30K → 20M
11:05 | 8:09/mi
21M
2:44:17
Rank: #11198 (-93)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:50:14
Rank: #11207 (-9)
21M → 35K
5:57 | 7:57/mi
23M
3:00:25
Rank: #11160 (+47)
35K → 23M
10:11 | 8:08/mi
24M
3:08:11
Rank: #11081 (+79)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:15:02
Rank: #11021 (+60)
24M → 40K
6:51 | 8:01/mi
25.2M
3:18:00
Rank: #10985 (+36)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:25:28
Rank: #10811 (+174)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:07
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:45:21
Pace8:02 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1424:337:5424:33
7:54
-
10K
6.21 mi12:08:0847:277:3822:54
7:22
-0:32
15K
9.32 mi12:31:411:11:007:3723:33
7:35
+0:13
20K
12.43 mi12:55:441:35:037:3924:03
7:44
+0:09
Half
13.11 mi13:00:481:40:077:385:04
7:26
-0:18
25K
15.53 mi13:19:591:59:187:4119:11
7:55
+0:29
30K
18.64 mi13:45:012:24:207:4525:02
8:03
+0:08
20M
20.00 mi13:56:062:35:257:4611:05
8:09
+0:06
21M
21.00 mi14:04:582:44:177:498:52
8:52
+0:43
35K
21.75 mi14:10:552:50:147:505:57
7:57
-0:55
23M
23.00 mi14:21:063:00:257:5110:11
8:08
+0:11
24M
24.00 mi14:28:523:08:117:507:46
7:46
-0:22
40K
24.85 mi14:35:433:15:027:516:51
8:01
+0:15
25.2M
25.20 mi14:38:413:18:007:512:58
8:36
+0:35
Finish
26.22 mi14:46:093:25:287:517:28
7:20
-1:16

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

7:20 /mi

Average Pace

7:51 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:59

29% of race

Time at Steady Pace

1:53:23

55% of race

Time at Slower Pace

33:06

16% of race

Average Pace: 7:50 /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 mi11:45:1424:337:5424:33
7:54
#13260
10K
6.21 mi12:08:0847:277:3822:54
7:22
#11237
15K
9.32 mi12:31:411:11:007:3723:33
7:35
#11090
20K
12.43 mi12:55:441:35:037:3924:03
7:44
#11098
Half
13.11 mi13:00:481:40:077:385:04
7:26
#11016
25K
15.53 mi13:19:591:59:187:4119:11
7:55
#11147
30K
18.64 mi13:45:012:24:207:4525:02
8:03
#11107
20M
20.00 mi13:56:062:35:257:4611:05
8:09
#11105
21M
21.00 mi14:04:582:44:177:498:52
8:52
#11198
35K
21.75 mi14:10:552:50:147:505:57
7:57
#11207
23M
23.00 mi14:21:063:00:257:5110:11
8:08
#11160
24M
24.00 mi14:28:523:08:117:507:46
7:46
#11081
40K
24.85 mi14:35:433:15:027:516:51
8:01
#11021
25.2M
25.20 mi14:38:413:18:007:512:58
8:36
#10985
Finish
26.22 mi14:46:093:25:287:517:28
7:20
#10811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi132603580358010847(Top 41%)2255(Top 20%)2255(Top 124%)
10K6.21 mi3.10 mi11237+20232459+11212459+11219407(Top 35%)1590(Top 14%)1590(Top 88%)
15K9.32 mi3.11 mi11090+1472383+762383+7610847(Top 41%)2255(Top 20%)2255(Top 124%)
20K12.43 mi3.11 mi11098-82382+12382+111242(Top 42%)2534(Top 22%)2534(Top 139%)
Half13.11 mi0.68 mi11016+822338+442338+449708(Top 36%)1779(Top 16%)1779(Top 98%)
25K15.53 mi2.42 mi11147-1312434-962434-9612014(Top 45%)3078(Top 27%)3078(Top 169%)
30K18.64 mi3.11 mi11107+402465-312465-3111353(Top 43%)2817(Top 25%)2817(Top 155%)
20M20.00 mi1.36 mi11105+22488-232488-2311392(Top 43%)2927(Top 26%)2927(Top 161%)
21M21.00 mi1.00 mi11198-932562-742562-7412652(Top 48%)3748(Top 33%)3748(Top 206%)
35K21.75 mi0.75 mi11207-92578-162578-1611792(Top 44%)3299(Top 29%)3299(Top 182%)
23M23.00 mi1.25 mi11160+472580-22580-210727(Top 40%)2882(Top 25%)2882(Top 159%)
24M24.00 mi1.00 mi11081+792566+142566+149563(Top 36%)2373(Top 21%)2373(Top 131%)
40K24.85 mi0.85 mi11021+602564+22564+210157(Top 38%)2729(Top 24%)2729(Top 150%)
25.2M25.20 mi0.35 mi10985+362558+62558+610215(Top 38%)2795(Top 24%)2795(Top 154%)
Finish26.22 mi1.02 mi10811+1742503+552503+557344(Top 28%)1568(Top 14%)1568(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10847

Females

2255

F45-49

2255

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9407

Females

1590

F45-49

1590

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10847

Females

2255

F45-49

2255

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11242

Females

2534

F45-49

2534

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9708

Females

1779

F45-49

1779

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12014

Females

3078

F45-49

3078

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11353

Females

2817

F45-49

2817

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11392

Females

2927

F45-49

2927

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12652

Females

3748

F45-49

3748

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11792

Females

3299

F45-49

3299

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10727

Females

2882

F45-49

2882

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9563

Females

2373

F45-49

2373

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10157

Females

2729

F45-49

2729

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10215

Females

2795

F45-49

2795

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7344

Females

1568

F45-49

1568

Passing Analysis

Category:
Athletes Passed
3570*
Passed By
1121
Net Change
+2449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13260
5K → 10K203714+2023#13260#11237
10K → 15K269122+147#11237#11090
15K → 20K158166-8#11090#11098
20K → Half853+82#11098#11016
Half → 25K81212-131#11016#11147
25K → 30K198158+40#11147#11107
30K → 20M88*86+2#11107#11105
20M → 21M61154-93#11105#11198
21M → 35K4352-9#11198#11207
35K → 23M10255+47#11207#11160
23M → 24M12041+79#11160#11081
24M → 40K9737+60#11081#11021
40K → 25.2M4711+36#11021#10985
25.2M → Finish18410+174#10985#10811
TOTALS3570*1121+2449

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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