Boston Marathon logo
BOSTON MARATHON 2023

Paul Kin Yip Kwong

Bib: 14643•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M50-54)
#0 / 2052
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:39
Rank: #10634
Start → 5K
23:39 | 7:37/mi
10K· 6.21 mi
46:54
Rank: #10448 (+186)
5K → 10K
23:15 | 7:29/mi
15K· 9.32 mi
1:10:00
Rank: #10154 (+294)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:33:38
Rank: #10128 (+26)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:38:41
Rank: #10070 (+58)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:29
Rank: #10166 (-96)
Half → 25K
18:48 | 7:45/mi
30K· 18.64 mi
2:22:20
Rank: #10253 (-87)
25K → 30K
24:51 | 8:00/mi
20M
2:33:13
Rank: #10243 (+10)
30K → 20M
10:53 | 8:01/mi
21M
2:41:43
Rank: #10221 (+22)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:47:36
Rank: #10249 (-28)
21M → 35K
5:53 | 7:52/mi
23M
2:57:44
Rank: #10234 (+15)
35K → 23M
10:08 | 8:06/mi
24M
3:05:29
Rank: #10162 (+72)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:12:15
Rank: #10120 (+42)
24M → 40K
6:46 | 7:55/mi
25.2M
3:15:24
Rank: #10158 (-38)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:23:13
Rank: #10110 (+48)
25.2M → Finish
7:49 | 7:40/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:41
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:44:32
Pace7:58 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3723:397:3723:39
7:37
-
10K
6.21 mi11:15:5246:547:3323:15
7:29
-0:08
15K
9.32 mi11:38:581:10:007:3123:06
7:26
-0:03
20K
12.43 mi12:02:361:33:387:3223:38
7:36
+0:10
Half
13.11 mi12:07:391:38:417:325:03
7:24
-0:12
25K
15.53 mi12:26:271:57:297:3418:48
7:45
+0:21
30K
18.64 mi12:51:182:22:207:3824:51
8:00
+0:15
20M
20.00 mi13:02:112:33:137:4010:53
8:01
+0:01
21M
21.00 mi13:10:412:41:437:428:30
8:30
+0:29
35K
21.75 mi13:16:342:47:367:425:53
7:52
-0:38
23M
23.00 mi13:26:422:57:447:4410:08
8:06
+0:14
24M
24.00 mi13:34:273:05:297:447:45
7:45
-0:21
40K
24.85 mi13:41:133:12:157:446:46
7:55
+0:10
25.2M
25.20 mi13:44:223:15:247:453:09
9:08
+1:13
Finish
26.22 mi13:52:113:23:137:457:49
7:40
-1:28

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

7:24 /mi

Average Pace

7:45 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:24

25% of race

Time at Steady Pace

1:34:18

46% of race

Time at Slower Pace

57:31

28% of race

Average Pace: 7:45 /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 mi10:52:3723:397:3723:39
7:37
#10634
10K
6.21 mi11:15:5246:547:3323:15
7:29
#10448
15K
9.32 mi11:38:581:10:007:3123:06
7:26
#10154
20K
12.43 mi12:02:361:33:387:3223:38
7:36
#10128
Half
13.11 mi12:07:391:38:417:325:03
7:24
#10070
25K
15.53 mi12:26:271:57:297:3418:48
7:45
#10166
30K
18.64 mi12:51:182:22:207:3824:51
8:00
#10253
20M
20.00 mi13:02:112:33:137:4010:53
8:01
#10243
21M
21.00 mi13:10:412:41:437:428:30
8:30
#10221
35K
21.75 mi13:16:342:47:367:425:53
7:52
#10249
23M
23.00 mi13:26:422:57:447:4410:08
8:06
#10234
24M
24.00 mi13:34:273:05:297:447:45
7:45
#10162
40K
24.85 mi13:41:133:12:157:446:46
7:55
#10120
25.2M
25.20 mi13:44:223:15:247:453:09
9:08
#10158
Finish
26.22 mi13:52:113:23:137:457:49
7:40
#10110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10634846784679642(Top 36%)7946(Top 52%)7946(Top 387%)
10K6.21 mi3.10 mi10448+1868389+788389+7810307(Top 39%)8331(Top 55%)8331(Top 406%)
15K9.32 mi3.11 mi10154+2948255+1348255+1349642(Top 36%)7946(Top 52%)7946(Top 387%)
20K12.43 mi3.11 mi10128+268227+288227+2810132(Top 38%)8141(Top 54%)8141(Top 397%)
Half13.11 mi0.68 mi10070+588190+378190+379428(Top 35%)7778(Top 51%)7778(Top 379%)
25K15.53 mi2.42 mi10166-968219-298219-2910713(Top 40%)8349(Top 55%)8349(Top 407%)
30K18.64 mi3.11 mi10253-878214+58214+510886(Top 41%)8288(Top 55%)8288(Top 404%)
20M20.00 mi1.36 mi10243+108185+298185+2910301(Top 39%)7914(Top 52%)7914(Top 386%)
21M21.00 mi1.00 mi10221+228153+328153+3210472(Top 39%)7841(Top 52%)7841(Top 382%)
35K21.75 mi0.75 mi10249-288148+58148+511071(Top 42%)8140(Top 54%)8140(Top 397%)
23M23.00 mi1.25 mi10234+158107+418107+4110382(Top 39%)7672(Top 51%)7672(Top 374%)
24M24.00 mi1.00 mi10162+728043+648043+649418(Top 35%)7116(Top 47%)7116(Top 347%)
40K24.85 mi0.85 mi10120+427994+497994+499417(Top 35%)7044(Top 46%)7044(Top 343%)
25.2M25.20 mi0.35 mi10158-388006-128006-1213191(Top 50%)8832(Top 58%)8832(Top 430%)
Finish26.22 mi1.02 mi10110+487945+617945+619770(Top 37%)7162(Top 47%)7162(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9642

Males

7946

M50-54

7946

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10307

Males

8331

M50-54

8331

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9642

Males

7946

M50-54

7946

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10132

Males

8141

M50-54

8141

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9428

Males

7778

M50-54

7778

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10713

Males

8349

M50-54

8349

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10886

Males

8288

M50-54

8288

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10301

Males

7914

M50-54

7914

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10472

Males

7841

M50-54

7841

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11071

Males

8140

M50-54

8140

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10382

Males

7672

M50-54

7672

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9418

Males

7116

M50-54

7116

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9417

Males

7044

M50-54

7044

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13191

Males

8832

M50-54

8832

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9770

Males

7162

M50-54

7162

Passing Analysis

Category:
Athletes Passed
1843*
Passed By
1319
Net Change
+524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10634
5K → 10K393*207+186#10634#10448
10K → 15K37278+294#10448#10154
15K → 20K172*146+26#10154#10128
20K → Half73*15+58#10128#10070
Half → 25K92188-96#10070#10166
25K → 30K127*214-87#10166#10253
30K → 20M87*77+10#10253#10243
20M → 21M9573+22#10243#10221
21M → 35K3866-28#10221#10249
35K → 23M9075+15#10249#10234
23M → 24M10634+72#10234#10162
24M → 40K8240+42#10162#10120
40K → 25.2M19*57-38#10120#10158
25.2M → Finish9749+48#10158#10110
TOTALS1843*1319+524

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing