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BOSTON MARATHON 2023

Sofia Howard

Bib: 24112•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:17
Rank: #20887
Start → 5K
28:17 | 9:06/mi
10K· 6.21 mi
55:48
Rank: #20570 (+317)
5K → 10K
27:31 | 8:51/mi
15K· 9.32 mi
1:23:21
Rank: #20306 (+264)
10K → 15K
27:33 | 8:52/mi
20K· 12.43 mi
1:51:38
Rank: #20286 (+20)
15K → 20K
28:17 | 9:06/mi
Half· 13.11 mi
1:57:40
Rank: #20250 (+36)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:20:13
Rank: #20252 (-2)
Half → 25K
22:33 | 9:18/mi
30K· 18.64 mi
2:49:40
Rank: #20065 (+187)
25K → 30K
29:27 | 9:29/mi
20M
3:02:40
Rank: #19975 (+90)
30K → 20M
13:00 | 9:34/mi
21M
3:12:39
Rank: #19825 (+150)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:19:32
Rank: #19784 (+41)
21M → 35K
6:53 | 9:12/mi
23M
3:31:17
Rank: #19687 (+97)
35K → 23M
11:45 | 9:23/mi
24M
3:40:17
Rank: #19579 (+108)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:48:04
Rank: #19483 (+96)
24M → 40K
7:47 | 9:06/mi
25.2M
3:51:41
Rank: #19482 (+1)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:00:34
Rank: #19410 (+72)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:02:54
Pace9:23 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3028:179:0628:17
9:06
-
10K
6.21 mi12:11:0155:488:5927:31
8:51
-0:15
15K
9.32 mi12:38:341:23:218:5727:33
8:52
+0:01
20K
12.43 mi13:06:511:51:388:5928:17
9:06
+0:14
Half
13.11 mi13:12:531:57:408:596:02
8:51
-0:15
25K
15.53 mi13:35:262:20:139:0222:33
9:18
+0:27
30K
18.64 mi14:04:532:49:409:0629:27
9:29
+0:11
20M
20.00 mi14:17:533:02:409:0813:00
9:34
+0:05
21M
21.00 mi14:27:523:12:399:109:59
9:59
+0:25
35K
21.75 mi14:34:453:19:329:106:53
9:12
-0:47
23M
23.00 mi14:46:303:31:179:1111:45
9:23
+0:11
24M
24.00 mi14:55:303:40:179:119:00
9:00
-0:23
40K
24.85 mi15:03:173:48:049:117:47
9:06
+0:06
25.2M
25.20 mi15:06:543:51:419:123:37
10:29
+1:23
Finish
26.22 mi15:15:474:00:349:118:53
8:43
-1:46

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

8:43 /mi

Average Pace

9:11 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:59

29% of race

Time at Steady Pace

1:42:47

43% of race

Time at Slower Pace

1:07:48

28% of race

Average Pace: 9:10 /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 mi11:43:3028:179:0628:17
9:06
#20887
10K
6.21 mi12:11:0155:488:5927:31
8:51
#20570
15K
9.32 mi12:38:341:23:218:5727:33
8:52
#20306
20K
12.43 mi13:06:511:51:388:5928:17
9:06
#20286
Half
13.11 mi13:12:531:57:408:596:02
8:51
#20250
25K
15.53 mi13:35:262:20:139:0222:33
9:18
#20252
30K
18.64 mi14:04:532:49:409:0629:27
9:29
#20065
20M
20.00 mi14:17:533:02:409:0813:00
9:34
#19975
21M
21.00 mi14:27:523:12:399:109:59
9:59
#19825
35K
21.75 mi14:34:453:19:329:106:53
9:12
#19784
23M
23.00 mi14:46:303:31:179:1111:45
9:23
#19687
24M
24.00 mi14:55:303:40:179:119:00
9:00
#19579
40K
24.85 mi15:03:173:48:049:117:47
9:06
#19483
25.2M
25.20 mi15:06:543:51:419:123:37
10:29
#19482
Finish
26.22 mi15:15:474:00:349:118:53
8:43
#19410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi208878314831419890(Top 75%)7625(Top 67%)7625(Top 1447%)
10K6.21 mi3.10 mi20570+3178074+2408074+24020208(Top 76%)7825(Top 69%)7825(Top 1485%)
15K9.32 mi3.11 mi20306+2647907+1677907+16719890(Top 75%)7625(Top 67%)7625(Top 1447%)
20K12.43 mi3.11 mi20286+207884+237884+2320161(Top 76%)7754(Top 68%)7754(Top 1471%)
Half13.11 mi0.68 mi20250+367857+277857+2719766(Top 74%)7537(Top 66%)7537(Top 1430%)
25K15.53 mi2.42 mi20252-27845+127845+1220206(Top 76%)7811(Top 68%)7811(Top 1482%)
30K18.64 mi3.11 mi20065+1877762+837762+8319357(Top 73%)7393(Top 65%)7393(Top 1403%)
20M20.00 mi1.36 mi19975+907727+357727+3519116(Top 72%)7357(Top 64%)7357(Top 1396%)
21M21.00 mi1.00 mi19825+1507639+887639+8817998(Top 68%)6763(Top 59%)6763(Top 1283%)
35K21.75 mi0.75 mi19784+417621+187621+1818775(Top 71%)7265(Top 64%)7265(Top 1379%)
23M23.00 mi1.25 mi19687+977579+427579+4217905(Top 67%)6816(Top 60%)6816(Top 1293%)
24M24.00 mi1.00 mi19579+1087529+507529+5017272(Top 65%)6510(Top 57%)6510(Top 1235%)
40K24.85 mi0.85 mi19483+967480+497480+4916682(Top 63%)6235(Top 55%)6235(Top 1183%)
25.2M25.20 mi0.35 mi19482+17484-47484-419099(Top 72%)7560(Top 66%)7560(Top 1435%)
Finish26.22 mi1.02 mi19410+727447+377447+3716616(Top 62%)6170(Top 54%)6170(Top 1171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19890

Females

7625

F60-64

7625

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20208

Females

7825

F60-64

7825

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19890

Females

7625

F60-64

7625

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20161

Females

7754

F60-64

7754

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19766

Females

7537

F60-64

7537

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20206

Females

7811

F60-64

7811

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19357

Females

7393

F60-64

7393

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19116

Females

7357

F60-64

7357

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17998

Females

6763

F60-64

6763

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18775

Females

7265

F60-64

7265

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17905

Females

6816

F60-64

6816

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17272

Females

6510

F60-64

6510

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16682

Females

6235

F60-64

6235

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19099

Females

7560

F60-64

7560

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16616

Females

6170

F60-64

6170

Passing Analysis

Category:
Athletes Passed
2262
Passed By
785
Net Change
+1477
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20887
5K → 10K512195+317#20887#20570
10K → 15K32763+264#20570#20306
15K → 20K186166+20#20306#20286
20K → Half5014+36#20286#20250
Half → 25K130132-2#20250#20252
25K → 30K24962+187#20252#20065
30K → 20M12131+90#20065#19975
20M → 21M17020+150#19975#19825
21M → 35K6524+41#19825#19784
35K → 23M12225+97#19784#19687
23M → 24M11810+108#19687#19579
24M → 40K1026+96#19579#19483
40K → 25.2M2019+1#19483#19482
25.2M → Finish9018+72#19482#19410
TOTALS2262785+1477
📊

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