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BOSTON MARATHON 2023

Vicki Nguyen

Bib: 20271•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:23
Rank: #17513
Start → 5K
26:23 | 8:30/mi
10K· 6.21 mi
52:34
Rank: #17639 (-126)
5K → 10K
26:11 | 8:26/mi
15K· 9.32 mi
1:19:12
Rank: #17843 (-204)
10K → 15K
26:38 | 8:34/mi
20K· 12.43 mi
1:46:08
Rank: #17834 (+9)
15K → 20K
26:56 | 8:40/mi
Half· 13.11 mi
1:52:02
Rank: #17865 (-31)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:13:12
Rank: #17784 (+81)
Half → 25K
21:10 | 8:44/mi
30K· 18.64 mi
2:41:05
Rank: #17613 (+171)
25K → 30K
27:53 | 8:58/mi
20M
2:53:20
Rank: #17527 (+86)
30K → 20M
12:15 | 9:01/mi
21M
3:03:11
Rank: #17512 (+15)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:09:54
Rank: #17540 (-28)
21M → 35K
6:43 | 8:59/mi
23M
3:21:17
Rank: #17471 (+69)
35K → 23M
11:23 | 9:05/mi
24M
3:30:04
Rank: #17410 (+61)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:37:46
Rank: #17368 (+42)
24M → 40K
7:42 | 9:00/mi
25.2M
3:41:10
Rank: #17362 (+6)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:50:06
Rank: #17367 (-5)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:02
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:58:04
Pace9:00 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2726:238:3026:23
8:30
-
10K
6.21 mi11:49:3852:348:2826:11
8:26
-0:04
15K
9.32 mi12:16:161:19:128:3026:38
8:34
+0:08
20K
12.43 mi12:43:121:46:088:3226:56
8:40
+0:06
Half
13.11 mi12:49:061:52:028:335:54
8:39
-0:01
25K
15.53 mi13:10:162:13:128:3421:10
8:44
+0:05
30K
18.64 mi13:38:092:41:058:3827:53
8:58
+0:14
20M
20.00 mi13:50:242:53:208:4012:15
9:01
+0:03
21M
21.00 mi14:00:153:03:118:439:51
9:51
+0:50
35K
21.75 mi14:06:583:09:548:446:43
8:59
-0:52
23M
23.00 mi14:18:213:21:178:4511:23
9:05
+0:06
24M
24.00 mi14:27:083:30:048:458:47
8:47
-0:18
40K
24.85 mi14:34:503:37:468:467:42
9:00
+0:13
25.2M
25.20 mi14:38:143:41:108:473:24
9:52
+0:52
Finish
26.22 mi14:47:103:50:068:478:56
8:46
-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

8:26 /mi

Average Pace

8:47 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:51

94% of race

Time at Steady Pace

13:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:23:2726:238:3026:23
8:30
#17513
10K
6.21 mi11:49:3852:348:2826:11
8:26
#17639
15K
9.32 mi12:16:161:19:128:3026:38
8:34
#17843
20K
12.43 mi12:43:121:46:088:3226:56
8:40
#17834
Half
13.11 mi12:49:061:52:028:335:54
8:39
#17865
25K
15.53 mi13:10:162:13:128:3421:10
8:44
#17784
30K
18.64 mi13:38:092:41:058:3827:53
8:58
#17613
20M
20.00 mi13:50:242:53:208:4012:15
9:01
#17527
21M
21.00 mi14:00:153:03:118:439:51
9:51
#17512
35K
21.75 mi14:06:583:09:548:446:43
8:59
#17540
23M
23.00 mi14:18:213:21:178:4511:23
9:05
#17471
24M
24.00 mi14:27:083:30:048:458:47
8:47
#17410
40K
24.85 mi14:34:503:37:468:467:42
9:00
#17368
25.2M
25.20 mi14:38:143:41:108:473:24
9:52
#17362
Finish
26.22 mi14:47:103:50:068:478:56
8:46
#17367
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi175136262626218282(Top 69%)6664(Top 58%)6664(Top 355%)
10K6.21 mi3.10 mi17639-1266308-466308-4617787(Top 67%)6364(Top 56%)6364(Top 339%)
15K9.32 mi3.11 mi17843-2046429-1216429-12118282(Top 69%)6664(Top 58%)6664(Top 355%)
20K12.43 mi3.11 mi17834+96425+46425+417936(Top 67%)6477(Top 57%)6477(Top 345%)
Half13.11 mi0.68 mi17865-316444-196444-1918626(Top 70%)6840(Top 60%)6840(Top 364%)
25K15.53 mi2.42 mi17784+816408+366408+3617549(Top 66%)6309(Top 55%)6309(Top 336%)
30K18.64 mi3.11 mi17613+1716327+816327+8117044(Top 64%)6089(Top 53%)6089(Top 324%)
20M20.00 mi1.36 mi17527+866296+316296+3116640(Top 63%)5942(Top 52%)5942(Top 316%)
21M21.00 mi1.00 mi17512+156302-66302-617455(Top 66%)6457(Top 57%)6457(Top 344%)
35K21.75 mi0.75 mi17540-286334-326334-3217832(Top 67%)6734(Top 59%)6734(Top 359%)
23M23.00 mi1.25 mi17471+696304+306304+3016514(Top 62%)6032(Top 53%)6032(Top 321%)
24M24.00 mi1.00 mi17410+616275+296275+2916136(Top 61%)5886(Top 52%)5886(Top 313%)
40K24.85 mi0.85 mi17368+426267+86267+816205(Top 61%)5976(Top 52%)5976(Top 318%)
25.2M25.20 mi0.35 mi17362+66274-76274-716858(Top 63%)6349(Top 56%)6349(Top 338%)
Finish26.22 mi1.02 mi17367-56287-136287-1316870(Top 63%)6302(Top 55%)6302(Top 336%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18282

Females

6664

F40-44

6664

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17787

Females

6364

F40-44

6364

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18282

Females

6664

F40-44

6664

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17936

Females

6477

F40-44

6477

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18626

Females

6840

F40-44

6840

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17549

Females

6309

F40-44

6309

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17044

Females

6089

F40-44

6089

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16640

Females

5942

F40-44

5942

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17455

Females

6457

F40-44

6457

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17832

Females

6734

F40-44

6734

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16514

Females

6032

F40-44

6032

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16136

Females

5886

F40-44

5886

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16205

Females

5976

F40-44

5976

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16858

Females

6349

F40-44

6349

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16870

Females

6302

F40-44

6302

Passing Analysis

Category:
Athletes Passed
1634
Passed By
1488
Net Change
+146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17513
5K → 10K244370-126#17513#17639
10K → 15K124328-204#17639#17843
15K → 20K172163+9#17843#17834
20K → Half1748-31#17834#17865
Half → 25K17190+81#17865#17784
25K → 30K25988+171#17784#17613
30K → 20M12539+86#17613#17527
20M → 21M9681+15#17527#17512
21M → 35K4270-28#17512#17540
35K → 23M12253+69#17540#17471
23M → 24M8524+61#17471#17410
24M → 40K8139+42#17410#17368
40K → 25.2M4034+6#17368#17362
25.2M → Finish5661-5#17362#17367
TOTALS16341488+146
📊

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