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BOSTON MARATHON 2023

Hui Chen

Bib: 31899•F

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:12
Rank: #23543
Start → 5K
10:03/mi
31:12 split
10K· 6.21 mi
1:01:22
Rank: #23340 (+203)
5K → 10K
9:43/mi
30:10 split
15K· 9.32 mi
1:31:23
Rank: #23158 (+182)
10K → 15K
9:40/mi
30:01 split
20K· 12.43 mi
2:01:44
Rank: #22931 (+227)
15K → 20K
9:46/mi
30:21 split
Half· 13.11 mi
2:08:23
Rank: #22911 (+20)
20K → Half
9:45/mi
6:39 split
25K· 15.53 mi
2:32:20
Rank: #22739 (+172)
Half → 25K
9:53/mi
23:57 split
30K· 18.64 mi
3:05:28
Rank: #22694 (+45)
25K → 30K
10:40/mi
33:08 split
20M
3:20:31
Rank: #22697 (-3)
30K → 20M
11:04/mi
15:03 split
21M
3:31:35
Rank: #22605 (+92)
20M → 21M
11:04/mi
11:04 split
35K· 21.75 mi
3:39:17
Rank: #22565 (+40)
21M → 35K
10:18/mi
7:42 split
23M
3:53:10
Rank: #22566 (-1)
35K → 23M
11:05/mi
13:53 split
24M
4:04:01
Rank: #22568 (-2)
23M → 24M
10:51/mi
10:51 split
40K· 24.85 mi
4:13:39
Rank: #22586 (-18)
24M → 40K
11:16/mi
9:38 split
25.2M
4:17:51
Rank: #22584 (+2)
40K → 25.2M
12:11/mi
4:12 split
Finish· 26.22 mi
4:28:41
Rank: #22622 (-38)
25.2M → Finish
10:38/mi
10:50 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:23
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:20:18
Pace10:42 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4731:1210:0331:12
10:03
-
10K
6.21 mi12:25:571:01:229:5330:10
9:43
-0:20
15K
9.32 mi12:55:581:31:239:4830:01
9:40
-0:03
20K
12.43 mi13:26:192:01:449:4830:21
9:46
+0:06
Half
13.11 mi13:32:582:08:239:486:39
9:45
-0:01
25K
15.53 mi13:56:552:32:209:4823:57
9:53
+0:08
30K
18.64 mi14:30:033:05:289:5733:08
10:40
+0:47
20M
20.00 mi14:45:063:20:3110:0215:03
11:04
+0:24
21M
21.00 mi14:56:103:31:3510:0511:04
11:04
0:00
35K
21.75 mi15:03:523:39:1710:057:42
10:18
-0:46
23M
23.00 mi15:17:453:53:1010:0813:53
11:05
+0:47
24M
24.00 mi15:28:364:04:0110:1010:51
10:51
-0:14
40K
24.85 mi15:38:144:13:3910:129:38
11:16
+0:25
25.2M
25.20 mi15:42:264:17:5110:144:12
12:11
+0:55
Finish
26.22 mi15:53:164:28:4110:1510:50
10:38
-1:33

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

9:40 /mi

Average Pace

10:15 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:20

57% of race

Time at Steady Pace

1:02:31

23% of race

Time at Slower Pace

53:50

20% of race

Average Pace: 10:15 /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 mi11:55:4731:1210:0331:12
10:03
#23543
10K
6.21 mi12:25:571:01:229:5330:10
9:43
#23340
15K
9.32 mi12:55:581:31:239:4830:01
9:40
#23158
20K
12.43 mi13:26:192:01:449:4830:21
9:46
#22931
Half
13.11 mi13:32:582:08:239:486:39
9:45
#22911
25K
15.53 mi13:56:552:32:209:4823:57
9:53
#22739
30K
18.64 mi14:30:033:05:289:5733:08
10:40
#22694
20M
20.00 mi14:45:063:20:3110:0215:03
11:04
#22697
21M
21.00 mi14:56:103:31:3510:0511:04
11:04
#22605
35K
21.75 mi15:03:523:39:1710:057:42
10:18
#22565
23M
23.00 mi15:17:453:53:1010:0813:53
11:05
#22566
24M
24.00 mi15:28:364:04:0110:1010:51
10:51
#22568
40K
24.85 mi15:38:144:13:3910:129:38
11:16
#22586
25.2M
25.20 mi15:42:264:17:5110:144:12
12:11
#22584
Finish
26.22 mi15:53:164:28:4110:1510:50
10:38
#22622
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi235439667966722708(Top 85%)9191(Top 80%)9191(Top 761%)
10K6.21 mi3.10 mi23340+2039545+1229545+12223078(Top 87%)9375(Top 82%)9375(Top 777%)
15K9.32 mi3.11 mi23158+1829433+1129433+11222708(Top 85%)9191(Top 80%)9191(Top 761%)
20K12.43 mi3.11 mi22931+2279309+1249309+12422335(Top 84%)8986(Top 79%)8986(Top 744%)
Half13.11 mi0.68 mi22911+209299+109299+1022771(Top 86%)9226(Top 81%)9226(Top 764%)
25K15.53 mi2.42 mi22739+1729227+729227+7221934(Top 82%)8803(Top 77%)8803(Top 729%)
30K18.64 mi3.11 mi22694+459230-39230-322534(Top 85%)9204(Top 81%)9204(Top 763%)
20M20.00 mi1.36 mi22697-39242-129242-1222819(Top 86%)9421(Top 82%)9421(Top 781%)
21M21.00 mi1.00 mi22605+929200+429200+4220985(Top 79%)8456(Top 74%)8456(Top 701%)
35K21.75 mi0.75 mi22565+409181+199181+1921993(Top 83%)9051(Top 79%)9051(Top 750%)
23M23.00 mi1.25 mi22566-19193-129193-1222512(Top 85%)9332(Top 82%)9332(Top 773%)
24M24.00 mi1.00 mi22568-29202-99202-922761(Top 85%)9506(Top 83%)9506(Top 788%)
40K24.85 mi0.85 mi22586-189220-189220-1822850(Top 86%)9585(Top 84%)9585(Top 794%)
25.2M25.20 mi0.35 mi22584+29223-39223-322821(Top 86%)9559(Top 84%)9559(Top 792%)
Finish26.22 mi1.02 mi22622-389251-289251-2823288(Top 87%)9795(Top 86%)9795(Top 812%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22708

Females

9191

F50-54

9191

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23078

Females

9375

F50-54

9375

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22708

Females

9191

F50-54

9191

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22335

Females

8986

F50-54

8986

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22771

Females

9226

F50-54

9226

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21934

Females

8803

F50-54

8803

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22534

Females

9204

F50-54

9204

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22819

Females

9421

F50-54

9421

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20985

Females

8456

F50-54

8456

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

21993

Females

9051

F50-54

9051

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22512

Females

9332

F50-54

9332

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22761

Females

9506

F50-54

9506

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22850

Females

9585

F50-54

9585

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22821

Females

9559

F50-54

9559

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23288

Females

9795

F50-54

9795

Passing Analysis

Category:
Athletes Passed
1591
Passed By
670
Net Change
+921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23543
5K → 10K325122+203#23543#23340
10K → 15K24765+182#23340#23158
15K → 20K26740+227#23158#22931
20K → Half3515+20#22931#22911
Half → 25K19422+172#22911#22739
25K → 30K13792+45#22739#22694
30K → 20M6063-3#22694#22697
20M → 21M10311+92#22697#22605
21M → 35K5919+40#22605#22565
35K → 23M6364-1#22565#22566
23M → 24M2931-2#22566#22568
24M → 40K2543-18#22568#22586
40K → 25.2M1513+2#22586#22584
25.2M → Finish3270-38#22584#22622
TOTALS1591670+921
📊

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