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BOSTON MARATHON 2023

Linh Nguyen

Bib: 22191•F

ON

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:00
Rank: #20510
Start → 5K
28:00 | 9:01/mi
10K· 6.21 mi
55:12
Rank: #20116 (+394)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:22:42
Rank: #19993 (+123)
10K → 15K
27:30 | 8:51/mi
20K· 12.43 mi
1:50:46
Rank: #19922 (+71)
15K → 20K
28:04 | 9:02/mi
Half· 13.11 mi
1:56:50
Rank: #19913 (+9)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:19:02
Rank: #19888 (+25)
Half → 25K
22:12 | 9:09/mi
30K· 18.64 mi
2:48:51
Rank: #19869 (+19)
25K → 30K
29:49 | 9:36/mi
20M
3:02:11
Rank: #19857 (+12)
30K → 20M
13:20 | 9:49/mi
21M
3:12:42
Rank: #19843 (+14)
20M → 21M
10:31 | 10:31/mi
35K· 21.75 mi
3:19:27
Rank: #19773 (+70)
21M → 35K
6:45 | 9:01/mi
23M
3:31:35
Rank: #19733 (+40)
35K → 23M
12:08 | 9:41/mi
24M
3:41:16
Rank: #19745 (-12)
23M → 24M
9:41 | 9:41/mi
40K· 24.85 mi
3:49:39
Rank: #19738 (+7)
24M → 40K
8:23 | 9:48/mi
25.2M
3:53:21
Rank: #19737 (+1)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
4:02:45
Rank: #19729 (+8)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:05:55
Pace9:36 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2628:009:0128:00
9:01
-
10K
6.21 mi11:52:3855:128:5327:12
8:45
-0:16
15K
9.32 mi12:20:081:22:428:5227:30
8:51
+0:06
20K
12.43 mi12:48:121:50:468:5528:04
9:02
+0:11
Half
13.11 mi12:54:161:56:508:556:04
8:54
-0:08
25K
15.53 mi13:16:282:19:028:5722:12
9:09
+0:15
30K
18.64 mi13:46:172:48:519:0329:49
9:36
+0:27
20M
20.00 mi13:59:373:02:119:0713:20
9:49
+0:13
21M
21.00 mi14:10:083:12:429:1110:31
10:31
+0:42
35K
21.75 mi14:16:533:19:279:106:45
9:01
-1:30
23M
23.00 mi14:29:013:31:359:1212:08
9:41
+0:40
24M
24.00 mi14:38:423:41:169:139:41
9:41
0:00
40K
24.85 mi14:47:053:49:399:148:23
9:48
+0:07
25.2M
25.20 mi14:50:473:53:219:163:42
10:44
+0:56
Finish
26.22 mi15:00:114:02:459:169:24
9:13
-1:31

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

9:16 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:46

25% of race

Time at Steady Pace

1:34:25

39% of race

Time at Slower Pace

1:27:34

36% of race

Average Pace: 9:15 /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 mi11:25:2628:009:0128:00
9:01
#20510
10K
6.21 mi11:52:3855:128:5327:12
8:45
#20116
15K
9.32 mi12:20:081:22:428:5227:30
8:51
#19993
20K
12.43 mi12:48:121:50:468:5528:04
9:02
#19922
Half
13.11 mi12:54:161:56:508:556:04
8:54
#19913
25K
15.53 mi13:16:282:19:028:5722:12
9:09
#19888
30K
18.64 mi13:46:172:48:519:0329:49
9:36
#19869
20M
20.00 mi13:59:373:02:119:0713:20
9:49
#19857
21M
21.00 mi14:10:083:12:429:1110:31
10:31
#19843
35K
21.75 mi14:16:533:19:279:106:45
9:01
#19773
23M
23.00 mi14:29:013:31:359:1212:08
9:41
#19733
24M
24.00 mi14:38:423:41:169:139:41
9:41
#19745
40K
24.85 mi14:47:053:49:399:148:23
9:48
#19738
25.2M
25.20 mi14:50:473:53:219:163:42
10:44
#19737
Finish
26.22 mi15:00:114:02:459:169:24
9:13
#19729
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi205108122812219807(Top 74%)7571(Top 66%)7571(Top 417%)
10K6.21 mi3.10 mi20116+3947831+2917831+29119711(Top 74%)7519(Top 66%)7519(Top 414%)
15K9.32 mi3.11 mi19993+1237735+967735+9619807(Top 74%)7571(Top 66%)7571(Top 417%)
20K12.43 mi3.11 mi19922+717680+557680+5519872(Top 75%)7606(Top 67%)7606(Top 419%)
Half13.11 mi0.68 mi19913+97673+77673+719982(Top 75%)7655(Top 67%)7655(Top 421%)
25K15.53 mi2.42 mi19888+257651+227651+2219660(Top 74%)7508(Top 66%)7508(Top 413%)
30K18.64 mi3.11 mi19869+197658-77658-719784(Top 74%)7641(Top 67%)7641(Top 421%)
20M20.00 mi1.36 mi19857+127655+37655+319901(Top 75%)7796(Top 68%)7796(Top 429%)
21M21.00 mi1.00 mi19843+147652+37652+319657(Top 74%)7738(Top 68%)7738(Top 426%)
35K21.75 mi0.75 mi19773+707615+377615+3718036(Top 68%)6867(Top 60%)6867(Top 378%)
23M23.00 mi1.25 mi19733+407608+77608+719060(Top 72%)7443(Top 65%)7443(Top 410%)
24M24.00 mi1.00 mi19745-127621-137621-1319844(Top 75%)7887(Top 69%)7887(Top 434%)
40K24.85 mi0.85 mi19738+77630-97630-919417(Top 73%)7724(Top 68%)7724(Top 425%)
25.2M25.20 mi0.35 mi19737+17635-57635-519813(Top 74%)7954(Top 70%)7954(Top 438%)
Finish26.22 mi1.02 mi19729+87635763519049(Top 72%)7465(Top 65%)7465(Top 411%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19807

Females

7571

F45-49

7571

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19711

Females

7519

F45-49

7519

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19807

Females

7571

F45-49

7571

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19872

Females

7606

F45-49

7606

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19982

Females

7655

F45-49

7655

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19660

Females

7508

F45-49

7508

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19784

Females

7641

F45-49

7641

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19901

Females

7796

F45-49

7796

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19657

Females

7738

F45-49

7738

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18036

Females

6867

F45-49

6867

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19060

Females

7443

F45-49

7443

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19844

Females

7887

F45-49

7887

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19417

Females

7724

F45-49

7724

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19813

Females

7954

F45-49

7954

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19049

Females

7465

F45-49

7465

Passing Analysis

Category:
Athletes Passed
1884
Passed By
1103
Net Change
+781
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20510
5K → 10K564170+394#20510#20116
10K → 15K250127+123#20116#19993
15K → 20K206135+71#19993#19922
20K → Half3425+9#19922#19913
Half → 25K138113+25#19913#19888
25K → 30K170151+19#19888#19869
30K → 20M8876+12#19869#19857
20M → 21M8975+14#19857#19843
21M → 35K8717+70#19843#19773
35K → 23M8646+40#19773#19733
23M → 24M4355-12#19733#19745
24M → 40K5548+7#19745#19738
40K → 25.2M2322+1#19738#19737
25.2M → Finish5143+8#19737#19729
TOTALS18841103+781
📊

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