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BOSTON MARATHON 2023

Selina Van Veen

Bib: 30969•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:37
Rank: #19946
Start → 5K
27:37 | 8:53/mi
10K· 6.21 mi
54:47
Rank: #19773 (+173)
5K → 10K
27:10 | 8:45/mi
15K· 9.32 mi
1:22:15
Rank: #19735 (+38)
10K → 15K
27:28 | 8:50/mi
20K· 12.43 mi
1:50:25
Rank: #19787 (-52)
15K → 20K
28:10 | 9:04/mi
Half· 13.11 mi
1:56:35
Rank: #19823 (-36)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:18:51
Rank: #19828 (-5)
Half → 25K
22:16 | 9:11/mi
30K· 18.64 mi
2:49:36
Rank: #20050 (-222)
25K → 30K
30:45 | 9:54/mi
20M
3:03:00
Rank: #20046 (+4)
30K → 20M
13:24 | 9:52/mi
21M
3:14:57
Rank: #20271 (-225)
20M → 21M
11:57 | 11:57/mi
35K· 21.75 mi
3:22:23
Rank: #20298 (-27)
21M → 35K
7:26 | 9:56/mi
23M
3:36:25
Rank: #20498 (-200)
35K → 23M
14:02 | 11:12/mi
24M
3:45:49
Rank: #20423 (+75)
23M → 24M
9:24 | 9:24/mi
40K· 24.85 mi
3:54:32
Rank: #20412 (+11)
24M → 40K
8:43 | 10:12/mi
25.2M
3:59:40
Rank: #20597 (-185)
40K → 25.2M
5:08 | 14:53/mi
Finish· 26.22 mi
4:08:52
Rank: #20518 (+79)
25.2M → Finish
9:12 | 9:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:35
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:12:17
Pace10:05 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1727:378:5327:37
8:53
-
10K
6.21 mi12:13:2754:478:4927:10
8:45
-0:08
15K
9.32 mi12:40:551:22:158:4927:28
8:50
+0:05
20K
12.43 mi13:09:051:50:258:5328:10
9:04
+0:14
Half
13.11 mi13:15:151:56:358:546:10
9:02
-0:02
25K
15.53 mi13:37:312:18:518:5622:16
9:11
+0:09
30K
18.64 mi14:08:162:49:369:0630:45
9:54
+0:43
20M
20.00 mi14:21:403:03:009:0913:24
9:52
-0:02
21M
21.00 mi14:33:373:14:579:1711:57
11:57
+2:05
35K
21.75 mi14:41:033:22:239:187:26
9:56
-2:01
23M
23.00 mi14:55:053:36:259:2514:02
11:12
+1:16
24M
24.00 mi15:04:293:45:499:259:24
9:24
-1:48
40K
24.85 mi15:13:123:54:329:268:43
10:12
+0:48
25.2M
25.20 mi15:18:203:59:409:315:08
14:53
+4:41
Finish
26.22 mi15:27:324:08:529:309:12
9:02
-5:51

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

8:45 /mi

Average Pace

9:30 /mi

Slowest Pace

14:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:29:02

84% of race

Time at Slower Pace

39:50

16% of race

Average Pace: 9:29 /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 mi11:46:1727:378:5327:37
8:53
#19946
10K
6.21 mi12:13:2754:478:4927:10
8:45
#19773
15K
9.32 mi12:40:551:22:158:4927:28
8:50
#19735
20K
12.43 mi13:09:051:50:258:5328:10
9:04
#19787
Half
13.11 mi13:15:151:56:358:546:10
9:02
#19823
25K
15.53 mi13:37:312:18:518:5622:16
9:11
#19828
30K
18.64 mi14:08:162:49:369:0630:45
9:54
#20050
20M
20.00 mi14:21:403:03:009:0913:24
9:52
#20046
21M
21.00 mi14:33:373:14:579:1711:57
11:57
#20271
35K
21.75 mi14:41:033:22:239:187:26
9:56
#20298
23M
23.00 mi14:55:053:36:259:2514:02
11:12
#20498
24M
24.00 mi15:04:293:45:499:259:24
9:24
#20423
40K
24.85 mi15:13:123:54:329:268:43
10:12
#20412
25.2M
25.20 mi15:18:203:59:409:315:08
14:53
#20597
Finish
26.22 mi15:27:324:08:529:309:12
9:02
#20518
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199467779777919754(Top 74%)7541(Top 66%)7541(Top 154%)
10K6.21 mi3.10 mi19773+1737637+1427637+14219662(Top 74%)7491(Top 66%)7491(Top 153%)
15K9.32 mi3.11 mi19735+387583+547583+5419754(Top 74%)7541(Top 66%)7541(Top 154%)
20K12.43 mi3.11 mi19787-527599-167599-1619997(Top 75%)7679(Top 67%)7679(Top 157%)
Half13.11 mi0.68 mi19823-367614-157614-1520626(Top 77%)8039(Top 70%)8039(Top 165%)
25K15.53 mi2.42 mi19828-57623-97623-919780(Top 74%)7578(Top 66%)7578(Top 155%)
30K18.64 mi3.11 mi20050-2227758-1357758-13520746(Top 78%)8194(Top 72%)8194(Top 168%)
20M20.00 mi1.36 mi20046+47772-147772-1420066(Top 75%)7895(Top 69%)7895(Top 162%)
21M21.00 mi1.00 mi20271-2257907-1357907-13522680(Top 85%)9375(Top 82%)9375(Top 192%)
35K21.75 mi0.75 mi20298-277930-237930-2321120(Top 79%)8549(Top 75%)8549(Top 175%)
23M23.00 mi1.25 mi20498-2008052-1228052-12222732(Top 85%)9451(Top 83%)9451(Top 194%)
24M24.00 mi1.00 mi20423+758020+328020+3218877(Top 71%)7380(Top 65%)7380(Top 151%)
40K24.85 mi0.85 mi20412+118017+38017+320477(Top 77%)8318(Top 73%)8318(Top 170%)
25.2M25.20 mi0.35 mi20597-1858131-1148131-11425632(Top 96%)10988(Top 96%)10988(Top 225%)
Finish26.22 mi1.02 mi20518+798097+348097+3418144(Top 68%)6982(Top 61%)6982(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19754

Females

7541

F18-39

7541

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19662

Females

7491

F18-39

7491

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19754

Females

7541

F18-39

7541

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19997

Females

7679

F18-39

7679

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20626

Females

8039

F18-39

8039

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19780

Females

7578

F18-39

7578

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20746

Females

8194

F18-39

8194

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20066

Females

7895

F18-39

7895

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22680

Females

9375

F18-39

9375

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21120

Females

8549

F18-39

8549

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22732

Females

9451

F18-39

9451

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18877

Females

7380

F18-39

7380

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20477

Females

8318

F18-39

8318

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25632

Females

10988

F18-39

10988

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18144

Females

6982

F18-39

6982

Passing Analysis

Category:
Athletes Passed
1359
Passed By
1931
Net Change
-572
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19946
5K → 10K398225+173#19946#19773
10K → 15K194156+38#19773#19735
15K → 20K155207-52#19735#19787
20K → Half1854-36#19787#19823
Half → 25K114119-5#19823#19828
25K → 30K96318-222#19828#20050
30K → 20M8682+4#20050#20046
20M → 21M23248-225#20046#20271
21M → 35K3360-27#20271#20298
35K → 23M19219-200#20298#20498
23M → 24M8813+75#20498#20423
24M → 40K4534+11#20423#20412
40K → 25.2M1186-185#20412#20597
25.2M → Finish8910+79#20597#20518
TOTALS13591931-572
📊

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