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BOSTON MARATHON 2023

Lynnette Nguyen

Bib: 20217•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F50-54)
#0 / 1207
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:14
Rank: #14884
Start → 5K
25:14 | 8:07/mi
10K· 6.21 mi
50:03
Rank: #14785 (+99)
5K → 10K
24:49 | 7:59/mi
15K· 9.32 mi
1:15:14
Rank: #14926 (-141)
10K → 15K
25:11 | 8:06/mi
20K· 12.43 mi
1:40:14
Rank: #14612 (+314)
15K → 20K
25:00 | 8:03/mi
Half· 13.11 mi
1:45:37
Rank: #14561 (+51)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:05:24
Rank: #14448 (+113)
Half → 25K
19:47 | 8:10/mi
30K· 18.64 mi
2:31:23
Rank: #14258 (+190)
25K → 30K
25:59 | 8:22/mi
20M
2:42:35
Rank: #14069 (+189)
30K → 20M
11:12 | 8:15/mi
21M
2:51:23
Rank: #13923 (+146)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:57:31
Rank: #13901 (+22)
21M → 35K
6:08 | 8:12/mi
23M
3:07:51
Rank: #13727 (+174)
35K → 23M
10:20 | 8:15/mi
24M
3:15:50
Rank: #13581 (+146)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
3:22:45
Rank: #13433 (+148)
24M → 40K
6:55 | 8:05/mi
25.2M
3:25:49
Rank: #13388 (+45)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:34:21
Rank: #13444 (-56)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:5325:148:0725:14
8:07
-
10K
6.21 mi12:05:4250:038:0324:49
7:59
-0:08
15K
9.32 mi12:30:531:15:148:0425:11
8:06
+0:07
20K
12.43 mi12:55:531:40:148:0425:00
8:03
-0:03
Half
13.11 mi13:01:161:45:378:035:23
7:53
-0:10
25K
15.53 mi13:21:032:05:248:0419:47
8:10
+0:17
30K
18.64 mi13:47:022:31:238:0725:59
8:22
+0:12
20M
20.00 mi13:58:142:42:358:0811:12
8:15
-0:07
21M
21.00 mi14:07:022:51:238:108:48
8:48
+0:33
35K
21.75 mi14:13:102:57:318:106:08
8:12
-0:36
23M
23.00 mi14:23:303:07:518:1010:20
8:15
+0:03
24M
24.00 mi14:31:293:15:508:107:59
7:59
-0:16
40K
24.85 mi14:38:243:22:458:096:55
8:05
+0:06
25.2M
25.20 mi14:41:283:25:498:103:04
8:54
+0:49
Finish
26.22 mi14:50:003:34:218:118:32
8:22
-0:32

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

7:53 /mi

Average Pace

8:11 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:29

94% of race

Time at Steady Pace

11:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:40:5325:148:0725:14
8:07
#14884
10K
6.21 mi12:05:4250:038:0324:49
7:59
#14785
15K
9.32 mi12:30:531:15:148:0425:11
8:06
#14926
20K
12.43 mi12:55:531:40:148:0425:00
8:03
#14612
Half
13.11 mi13:01:161:45:378:035:23
7:53
#14561
25K
15.53 mi13:21:032:05:248:0419:47
8:10
#14448
30K
18.64 mi13:47:022:31:238:0725:59
8:22
#14258
20M
20.00 mi13:58:142:42:358:0811:12
8:15
#14069
21M
21.00 mi14:07:022:51:238:108:48
8:48
#13923
35K
21.75 mi14:13:102:57:318:106:08
8:12
#13901
23M
23.00 mi14:23:303:07:518:1010:20
8:15
#13727
24M
24.00 mi14:31:293:15:508:107:59
7:59
#13581
40K
24.85 mi14:38:243:22:458:096:55
8:05
#13433
25.2M
25.20 mi14:41:283:25:498:103:04
8:54
#13388
Finish
26.22 mi14:50:003:34:218:118:32
8:22
#13444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi148844570457015212(Top 57%)4798(Top 42%)4798(Top 398%)
10K6.21 mi3.10 mi14785+994516+544516+5414730(Top 55%)4496(Top 39%)4496(Top 372%)
15K9.32 mi3.11 mi14926-1414614-984614-9815212(Top 57%)4798(Top 42%)4798(Top 398%)
20K12.43 mi3.11 mi14612+3144438+1764438+17613819(Top 52%)3999(Top 35%)3999(Top 331%)
Half13.11 mi0.68 mi14561+514402+364402+3613563(Top 51%)3839(Top 34%)3839(Top 318%)
25K15.53 mi2.42 mi14448+1134372+304372+3013946(Top 52%)4182(Top 37%)4182(Top 346%)
30K18.64 mi3.11 mi14258+1904302+704302+7013440(Top 50%)3997(Top 35%)3997(Top 331%)
20M20.00 mi1.36 mi14069+1894211+914211+9111990(Top 45%)3276(Top 29%)3276(Top 271%)
21M21.00 mi1.00 mi13923+1464129+824129+8212283(Top 46%)3560(Top 31%)3560(Top 295%)
35K21.75 mi0.75 mi13901+224136-74136-713439(Top 50%)4238(Top 37%)4238(Top 351%)
23M23.00 mi1.25 mi13727+1744059+774059+7711579(Top 43%)3296(Top 29%)3296(Top 273%)
24M24.00 mi1.00 mi13581+1463987+723987+7211161(Top 42%)3185(Top 28%)3185(Top 264%)
40K24.85 mi0.85 mi13433+1483917+703917+7010694(Top 40%)2998(Top 26%)2998(Top 248%)
25.2M25.20 mi0.35 mi13388+453903+143903+1411983(Top 45%)3721(Top 33%)3721(Top 308%)
Finish26.22 mi1.02 mi13444-563960-573960-5714577(Top 55%)5028(Top 44%)5028(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15212

Females

4798

F50-54

4798

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14730

Females

4496

F50-54

4496

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15212

Females

4798

F50-54

4798

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13819

Females

3999

F50-54

3999

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13563

Females

3839

F50-54

3839

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13946

Females

4182

F50-54

4182

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13440

Females

3997

F50-54

3997

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11990

Females

3276

F50-54

3276

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12283

Females

3560

F50-54

3560

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13439

Females

4238

F50-54

4238

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11579

Females

3296

F50-54

3296

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11161

Females

3185

F50-54

3185

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10694

Females

2998

F50-54

2998

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11983

Females

3721

F50-54

3721

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14577

Females

5028

F50-54

5028

Passing Analysis

Category:
Athletes Passed
2422
Passed By
982
Net Change
+1440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14884
5K → 10K341242+99#14884#14785
10K → 15K137278-141#14785#14926
15K → 20K36349+314#14926#14612
20K → Half6615+51#14612#14561
Half → 25K18875+113#14561#14448
25K → 30K28393+190#14448#14258
30K → 20M20314+189#14258#14069
20M → 21M17529+146#14069#13923
21M → 35K5331+22#13923#13901
35K → 23M18814+174#13901#13727
23M → 24M15610+146#13727#13581
24M → 40K1557+148#13581#13433
40K → 25.2M5914+45#13433#13388
25.2M → Finish55111-56#13388#13444
TOTALS2422982+1440
📊

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