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BOSTON MARATHON 2023

Ka Wai Cecilia Wong

Bib: 29160•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:13
Rank: #25691
Start → 5K
34:13 | 11:01/mi
10K· 6.21 mi
1:05:37
Rank: #24828 (+863)
5K → 10K
31:24 | 10:06/mi
15K· 9.32 mi
1:37:13
Rank: #24505 (+323)
10K → 15K
31:36 | 10:10/mi
20K· 12.43 mi
2:07:35
Rank: #23954 (+551)
15K → 20K
30:22 | 9:46/mi
Half· 13.11 mi
2:14:11
Rank: #23873 (+81)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:38:06
Rank: #23564 (+309)
Half → 25K
23:55 | 9:52/mi
30K· 18.64 mi
3:10:28
Rank: #23273 (+291)
25K → 30K
32:22 | 10:25/mi
20M
3:24:48
Rank: #23164 (+109)
30K → 20M
14:20 | 10:33/mi
21M
3:36:04
Rank: #23068 (+96)
20M → 21M
11:16 | 11:16/mi
35K· 21.75 mi
3:44:56
Rank: #23134 (-66)
21M → 35K
8:52 | 11:51/mi
23M
3:57:41
Rank: #22987 (+147)
35K → 23M
12:45 | 10:11/mi
24M
4:08:07
Rank: #22937 (+50)
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
4:17:23
Rank: #22898 (+39)
24M → 40K
9:16 | 10:50/mi
25.2M
4:21:25
Rank: #22890 (+8)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
4:31:28
Rank: #22846 (+44)
25.2M → Finish
10:03 | 9:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:11
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:17:17
Pace10:28 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4134:1311:0134:13
11:01
-
10K
6.21 mi12:26:051:05:3710:3431:24
10:06
-0:55
15K
9.32 mi12:57:411:37:1310:2631:36
10:10
+0:04
20K
12.43 mi13:28:032:07:3510:1630:22
9:46
-0:24
Half
13.11 mi13:34:392:14:1110:146:36
9:40
-0:06
25K
15.53 mi13:58:342:38:0610:1123:55
9:52
+0:12
30K
18.64 mi14:30:563:10:2810:1332:22
10:25
+0:33
20M
20.00 mi14:45:163:24:4810:1414:20
10:33
+0:08
21M
21.00 mi14:56:323:36:0410:1711:16
11:16
+0:43
35K
21.75 mi15:05:243:44:5610:218:52
11:51
+0:35
23M
23.00 mi15:18:093:57:4110:2012:45
10:11
-1:40
24M
24.00 mi15:28:354:08:0710:2010:26
10:26
+0:15
40K
24.85 mi15:37:514:17:2310:219:16
10:50
+0:24
25.2M
25.20 mi15:41:534:21:2510:224:02
11:42
+0:52
Finish
26.22 mi15:51:564:31:2810:2210:03
9:52
-1:50

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

10:22 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:56

26% of race

Time at Steady Pace

2:12:53

49% of race

Time at Slower Pace

1:07:39

25% of race

Average Pace: 10:21 /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 mi11:54:4134:1311:0134:13
11:01
#25691
10K
6.21 mi12:26:051:05:3710:3431:24
10:06
#24828
15K
9.32 mi12:57:411:37:1310:2631:36
10:10
#24505
20K
12.43 mi13:28:032:07:3510:1630:22
9:46
#23954
Half
13.11 mi13:34:392:14:1110:146:36
9:40
#23873
25K
15.53 mi13:58:342:38:0610:1123:55
9:52
#23564
30K
18.64 mi14:30:563:10:2810:1332:22
10:25
#23273
20M
20.00 mi14:45:163:24:4810:1414:20
10:33
#23164
21M
21.00 mi14:56:323:36:0410:1711:16
11:16
#23068
35K
21.75 mi15:05:243:44:5610:218:52
11:51
#23134
23M
23.00 mi15:18:093:57:4110:2012:45
10:11
#22987
24M
24.00 mi15:28:354:08:0710:2010:26
10:26
#22937
40K
24.85 mi15:37:514:17:2310:219:16
10:50
#22898
25.2M
25.20 mi15:41:534:21:2510:224:02
11:42
#22890
Finish
26.22 mi15:51:564:31:2810:2210:03
9:52
#22846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25691108461084623819(Top 89%)9795(Top 86%)9795(Top 1202%)
10K6.21 mi3.10 mi24828+86310338+50810338+50823920(Top 90%)9843(Top 86%)9843(Top 1208%)
15K9.32 mi3.11 mi24505+32310163+17510163+17523819(Top 89%)9795(Top 86%)9795(Top 1202%)
20K12.43 mi3.11 mi23954+5519863+3009863+30022348(Top 84%)8997(Top 79%)8997(Top 1104%)
Half13.11 mi0.68 mi23873+819817+469817+4622612(Top 85%)9143(Top 80%)9143(Top 1122%)
25K15.53 mi2.42 mi23564+3099655+1629655+16221893(Top 82%)8784(Top 77%)8784(Top 1078%)
30K18.64 mi3.11 mi23273+2919523+1329523+13222048(Top 83%)8937(Top 78%)8937(Top 1097%)
20M20.00 mi1.36 mi23164+1099479+449479+4421853(Top 82%)8899(Top 78%)8899(Top 1092%)
21M21.00 mi1.00 mi23068+969438+419438+4121422(Top 80%)8700(Top 76%)8700(Top 1067%)
35K21.75 mi0.75 mi23134-669487-499487-4924530(Top 92%)10412(Top 91%)10412(Top 1278%)
23M23.00 mi1.25 mi22987+1479418+699418+6920539(Top 77%)8261(Top 72%)8261(Top 1014%)
24M24.00 mi1.00 mi22937+509405+139405+1321884(Top 82%)9043(Top 79%)9043(Top 1110%)
40K24.85 mi0.85 mi22898+399390+159390+1522026(Top 83%)9165(Top 80%)9165(Top 1125%)
25.2M25.20 mi0.35 mi22890+89387+39387+321978(Top 83%)9121(Top 80%)9121(Top 1119%)
Finish26.22 mi1.02 mi22846+449369+189369+1821376(Top 80%)8769(Top 77%)8769(Top 1076%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23819

Females

9795

F55-59

9795

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23920

Females

9843

F55-59

9843

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23819

Females

9795

F55-59

9795

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22348

Females

8997

F55-59

8997

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22612

Females

9143

F55-59

9143

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21893

Females

8784

F55-59

8784

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22048

Females

8937

F55-59

8937

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21853

Females

8899

F55-59

8899

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21422

Females

8700

F55-59

8700

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24530

Females

10412

F55-59

10412

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20539

Females

8261

F55-59

8261

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21884

Females

9043

F55-59

9043

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22026

Females

9165

F55-59

9165

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21978

Females

9121

F55-59

9121

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21376

Females

8769

F55-59

8769

Passing Analysis

Category:
Athletes Passed
3029
Passed By
184
Net Change
+2845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25691
5K → 10K8641+863#25691#24828
10K → 15K33815+323#24828#24505
15K → 20K5521+551#24505#23954
20K → Half843+81#23954#23873
Half → 25K3123+309#23873#23564
25K → 30K2943+291#23564#23273
30K → 20M11910+109#23273#23164
20M → 21M10610+96#23164#23068
21M → 35K1177-66#23068#23134
35K → 23M1514+147#23134#22987
23M → 24M7424+50#22987#22937
24M → 40K5415+39#22937#22898
40K → 25.2M179+8#22898#22890
25.2M → Finish539+44#22890#22846
TOTALS3029184+2845
📊

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