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BOSTON MARATHON 2023

Raymond Wing Chung Chung

Bib: 32011•M

Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Age Group (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
27:26
Rank: #19619
Start → 5K
27:26 | 8:50/mi
10K· 6.21 mi
54:27
Rank: #19473 (+146)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:22:00
Rank: #19597 (-124)
10K → 15K
27:33 | 8:52/mi
20K· 12.43 mi
1:49:16
Rank: #19289 (+308)
15K → 20K
27:16 | 8:47/mi
Half· 13.11 mi
1:55:08
Rank: #19231 (+58)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:17:02
Rank: #19214 (+17)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:49:32
Rank: #20030 (-816)
25K → 30K
32:30 | 10:28/mi
20M
3:04:39
Rank: #20372 (-342)
30K → 20M
15:07 | 11:07/mi
21M
3:17:50
Rank: #20763 (-391)
20M → 21M
13:11 | 13:11/mi
35K· 21.75 mi
3:25:21
Rank: #20775 (-12)
21M → 35K
7:31 | 10:03/mi
23M
3:39:42
Rank: #20976 (-201)
35K → 23M
14:21 | 11:28/mi
24M
3:49:19
Rank: #20895 (+81)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:58:08
Rank: #20881 (+14)
24M → 40K
8:49 | 10:19/mi
25.2M
4:01:58
Rank: #20879 (+2)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
4:11:13
Rank: #20794 (+85)
25.2M → Finish
9:15 | 9:05/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:55:08
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:16:05
Pace10:23 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5627:268:5027:26
8:50
-
10K
6.21 mi12:14:5754:278:4627:01
8:42
-0:08
15K
9.32 mi12:42:301:22:008:4827:33
8:52
+0:10
20K
12.43 mi13:09:461:49:168:4827:16
8:47
-0:05
Half
13.11 mi13:15:381:55:088:475:52
8:36
-0:11
25K
15.53 mi13:37:322:17:028:4921:54
9:02
+0:26
30K
18.64 mi14:10:022:49:329:0632:30
10:28
+1:26
20M
20.00 mi14:25:093:04:399:1415:07
11:07
+0:39
21M
21.00 mi14:38:203:17:509:2513:11
13:11
+2:04
35K
21.75 mi14:45:513:25:219:277:31
10:03
-3:08
23M
23.00 mi15:00:123:39:429:3314:21
11:28
+1:25
24M
24.00 mi15:09:493:49:199:339:37
9:37
-1:51
40K
24.85 mi15:18:383:58:089:358:49
10:19
+0:42
25.2M
25.20 mi15:22:284:01:589:363:50
11:07
+0:48
Finish
26.22 mi15:31:434:11:139:359:15
9:05
-2:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:36 /mi

Average Pace

9:35 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:55:08

46% of race

Time at Steady Pace

48:17

19% of race

Time at Slower Pace

1:27:48

35% of race

Average Pace: 9:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:47:5627:268:5027:26
8:50
#19619
10K
6.21 mi12:14:5754:278:4627:01
8:42
#19473
15K
9.32 mi12:42:301:22:008:4827:33
8:52
#19597
20K
12.43 mi13:09:461:49:168:4827:16
8:47
#19289
Half
13.11 mi13:15:381:55:088:475:52
8:36
#19231
25K
15.53 mi13:37:322:17:028:4921:54
9:02
#19214
30K
18.64 mi14:10:022:49:329:0632:30
10:28
#20030
20M
20.00 mi14:25:093:04:399:1415:07
11:07
#20372
21M
21.00 mi14:38:203:17:509:2513:11
13:11
#20763
35K
21.75 mi14:45:513:25:219:277:31
10:03
#20775
23M
23.00 mi15:00:123:39:429:3314:21
11:28
#20976
24M
24.00 mi15:09:493:49:199:339:37
9:37
#20895
40K
24.85 mi15:18:383:58:089:358:49
10:19
#20881
25.2M
25.20 mi15:22:284:01:589:363:50
11:07
#20879
Finish
26.22 mi15:31:434:11:139:359:15
9:05
#20794
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi19619120111201119876(Top 75%)12243(Top 81%)12243(Top 546%)
10K6.21 mi3.10 mi19473+14612007+412007+419398(Top 73%)12064(Top 79%)12064(Top 538%)
15K9.32 mi3.11 mi19597-12412067-6012067-6019876(Top 75%)12243(Top 81%)12243(Top 546%)
20K12.43 mi3.11 mi19289+30811972+9511972+9518546(Top 70%)11710(Top 77%)11710(Top 523%)
Half13.11 mi0.68 mi19231+5811954+1811954+1818324(Top 69%)11643(Top 77%)11643(Top 520%)
25K15.53 mi2.42 mi19214+1711945+911945+919129(Top 72%)11909(Top 78%)11909(Top 531%)
30K18.64 mi3.11 mi20030-81612265-32012265-32022125(Top 83%)13134(Top 87%)13134(Top 586%)
20M20.00 mi1.36 mi20372-34212402-13712402-13722901(Top 86%)13418(Top 88%)13418(Top 599%)
21M21.00 mi1.00 mi20763-39112573-17112573-17124279(Top 91%)14018(Top 92%)14018(Top 626%)
35K21.75 mi0.75 mi20775-1212562+1112562+1121389(Top 80%)12658(Top 83%)12658(Top 565%)
23M23.00 mi1.25 mi20976-20112627-6512627-6523175(Top 87%)13470(Top 89%)13470(Top 601%)
24M24.00 mi1.00 mi20895+8112587+4012587+4019625(Top 74%)11834(Top 78%)11834(Top 528%)
40K24.85 mi0.85 mi20881+1412570+1712570+1720766(Top 78%)12270(Top 81%)12270(Top 548%)
25.2M25.20 mi0.35 mi20879+212565+512565+520703(Top 78%)12254(Top 81%)12254(Top 547%)
Finish26.22 mi1.02 mi20794+8512519+4612519+4618360(Top 69%)11253(Top 74%)11253(Top 502%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19876

Males

12243

M40-44

12243

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19398

Males

12064

M40-44

12064

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19876

Males

12243

M40-44

12243

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18546

Males

11710

M40-44

11710

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18324

Males

11643

M40-44

11643

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19129

Males

11909

M40-44

11909

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22125

Males

13134

M40-44

13134

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22901

Males

13418

M40-44

13418

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24279

Males

14018

M40-44

14018

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21389

Males

12658

M40-44

12658

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23175

Males

13470

M40-44

13470

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19625

Males

11834

M40-44

11834

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20766

Males

12270

M40-44

12270

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20703

Males

12254

M40-44

12254

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18360

Males

11253

M40-44

11253

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1437
Passed By
2612
Net Change
-1175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19619
5K → 10K403257+146#19619#19473
10K → 15K135259-124#19473#19597
15K → 20K34335+308#19597#19289
20K → Half602+58#19289#19231
Half → 25K130113+17#19231#19214
25K → 30K29845-816#19214#20030
30K → 20M20362-342#20030#20372
20M → 21M8399-391#20372#20763
21M → 35K3648-12#20763#20775
35K → 23M26227-201#20775#20976
23M → 24M10019+81#20976#20895
24M → 40K4228+14#20895#20881
40K → 25.2M1412+2#20881#20879
25.2M → Finish916+85#20879#20794
TOTALS14372612-1175
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing