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BOSTON MARATHON 2023

Cathy Wong

Bib: 29385•F

MA

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
34:49
Rank: #25938
Start → 5K
34:49 | 11:12/mi
10K· 6.21 mi
1:06:54
Rank: #25197 (+741)
5K → 10K
32:05 | 10:20/mi
15K· 9.32 mi
1:38:14
Rank: #24697 (+500)
10K → 15K
31:20 | 10:05/mi
20K· 12.43 mi
2:10:51
Rank: #24473 (+224)
15K → 20K
32:37 | 10:30/mi
Half· 13.11 mi
2:17:59
Rank: #24452 (+21)
20K → Half
7:08 | 10:27/mi
25K· 15.53 mi
2:44:23
Rank: #24321 (+131)
Half → 25K
26:24 | 10:53/mi
30K· 18.64 mi
3:20:26
Rank: #24261 (+60)
25K → 30K
36:03 | 11:36/mi
20M
3:36:42
Rank: #24260 (+1)
30K → 20M
16:16 | 11:58/mi
21M
3:48:28
Rank: #24156 (+104)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:56:44
Rank: #24145 (+11)
21M → 35K
8:16 | 11:03/mi
23M
4:11:47
Rank: #24145
35K → 23M
15:03 | 12:01/mi
24M
4:23:25
Rank: #24142 (+3)
23M → 24M
11:38 | 11:38/mi
40K· 24.85 mi
4:33:21
Rank: #24099 (+43)
24M → 40K
9:56 | 11:37/mi
25.2M
4:37:34
Rank: #24084 (+15)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:48:36
Rank: #24088 (-4)
25.2M → Finish
11:02 | 10:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:59
Pace10:32 /mi
2nd Half
Distance13.11 mi
Time2:30:37
Pace11:29 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5034:4911:1234:49
11:12
-
10K
6.21 mi12:24:551:06:5410:4632:05
10:20
-0:52
15K
9.32 mi12:56:151:38:1410:3231:20
10:05
-0:15
20K
12.43 mi13:28:522:10:5110:3232:37
10:30
+0:25
Half
13.11 mi13:36:002:17:5910:327:08
10:27
-0:03
25K
15.53 mi14:02:242:44:2310:3526:24
10:53
+0:26
30K
18.64 mi14:38:273:20:2610:4536:03
11:36
+0:43
20M
20.00 mi14:54:433:36:4210:5016:16
11:58
+0:22
21M
21.00 mi15:06:293:48:2810:5311:46
11:46
-0:12
35K
21.75 mi15:14:453:56:4410:538:16
11:03
-0:43
23M
23.00 mi15:29:484:11:4710:5715:03
12:01
+0:58
24M
24.00 mi15:41:264:23:2510:5911:38
11:38
-0:23
40K
24.85 mi15:51:224:33:2111:009:56
11:37
-0:01
25.2M
25.20 mi15:55:354:37:3411:014:13
12:14
+0:37
Finish
26.22 mi16:06:374:48:3611:0111:02
10:50
-1:24

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

10:05 /mi

Average Pace

11:01 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

40% of race

Time at Steady Pace

1:09:29

24% of race

Time at Slower Pace

1:44:55

36% of race

Average Pace: 11:00 /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 mi11:52:5034:4911:1234:49
11:12
#25938
10K
6.21 mi12:24:551:06:5410:4632:05
10:20
#25197
15K
9.32 mi12:56:151:38:1410:3231:20
10:05
#24697
20K
12.43 mi13:28:522:10:5110:3232:37
10:30
#24473
Half
13.11 mi13:36:002:17:5910:327:08
10:27
#24452
25K
15.53 mi14:02:242:44:2310:3526:24
10:53
#24321
30K
18.64 mi14:38:273:20:2610:4536:03
11:36
#24261
20M
20.00 mi14:54:433:36:4210:5016:16
11:58
#24260
21M
21.00 mi15:06:293:48:2810:5311:46
11:46
#24156
35K
21.75 mi15:14:453:56:4410:538:16
11:03
#24145
23M
23.00 mi15:29:484:11:4710:5715:03
12:01
#24145
24M
24.00 mi15:41:264:23:2510:5911:38
11:38
#24142
40K
24.85 mi15:51:224:33:2111:009:56
11:37
#24099
25.2M
25.20 mi15:55:354:37:3411:014:13
12:14
#24084
Finish
26.22 mi16:06:374:48:3611:0111:02
10:50
#24088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25938110101101023675(Top 89%)9707(Top 85%)9707(Top 534%)
10K6.21 mi3.10 mi25197+74110542+46810542+46824351(Top 91%)10089(Top 88%)10089(Top 555%)
15K9.32 mi3.11 mi24697+50010280+26210280+26223675(Top 89%)9707(Top 85%)9707(Top 534%)
20K12.43 mi3.11 mi24473+22410158+12210158+12223826(Top 89%)9809(Top 86%)9809(Top 540%)
Half13.11 mi0.68 mi24452+2110150+810150+824144(Top 91%)9996(Top 88%)9996(Top 550%)
25K15.53 mi2.42 mi24321+13110092+5810092+5823803(Top 89%)9849(Top 86%)9849(Top 542%)
30K18.64 mi3.11 mi24261+6010077+1510077+1524010(Top 90%)10022(Top 88%)10022(Top 552%)
20M20.00 mi1.36 mi24260+110084-710084-724174(Top 91%)10170(Top 89%)10170(Top 560%)
21M21.00 mi1.00 mi24156+10410036+4810036+4822375(Top 84%)9212(Top 81%)9212(Top 507%)
35K21.75 mi0.75 mi24145+1110034+210034+223407(Top 88%)9825(Top 86%)9825(Top 541%)
23M23.00 mi1.25 mi2414510046-1210046-1224047(Top 90%)10155(Top 89%)10155(Top 559%)
24M24.00 mi1.00 mi24142+310047-110047-124063(Top 90%)10193(Top 89%)10193(Top 561%)
40K24.85 mi0.85 mi24099+4310033+1410033+1423403(Top 88%)9885(Top 87%)9885(Top 544%)
25.2M25.20 mi0.35 mi24084+1510028+510028+522897(Top 86%)9610(Top 84%)9610(Top 529%)
Finish26.22 mi1.02 mi24088-410034-610034-623668(Top 89%)9997(Top 88%)9997(Top 550%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23675

Females

9707

F45-49

9707

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24351

Females

10089

F45-49

10089

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23675

Females

9707

F45-49

9707

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23826

Females

9809

F45-49

9809

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24144

Females

9996

F45-49

9996

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23803

Females

9849

F45-49

9849

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

24010

Females

10022

F45-49

10022

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24174

Females

10170

F45-49

10170

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22375

Females

9212

F45-49

9212

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23407

Females

9825

F45-49

9825

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24047

Females

10155

F45-49

10155

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

24063

Females

10193

F45-49

10193

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23403

Females

9885

F45-49

9885

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22897

Females

9610

F45-49

9610

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23668

Females

9997

F45-49

9997

Passing Analysis

Category:
Athletes Passed
2160
Passed By
310
Net Change
+1850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25938
5K → 10K7454+741#25938#25197
10K → 15K5033+500#25197#24697
15K → 20K23915+224#24697#24473
20K → Half3716+21#24473#24452
Half → 25K14817+131#24452#24321
25K → 30K14686+60#24321#24261
30K → 20M4847+1#24261#24260
20M → 21M1106+104#24260#24156
21M → 35K2211+11#24156#24145
35K → 23M37370#24145#24145
23M → 24M2522+3#24145#24142
24M → 40K5310+43#24142#24099
40K → 25.2M216+15#24099#24084
25.2M → Finish2630-4#24084#24088
TOTALS2160310+1850
📊

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