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BOSTON MARATHON 2023

Weijun Ma

Bib: 10316•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:32
Rank: #19797
Start → 5K
27:32 | 8:52/mi
10K· 6.21 mi
54:06
Rank: #19131 (+666)
5K → 10K
26:34 | 8:33/mi
15K· 9.32 mi
1:20:33
Rank: #18705 (+426)
10K → 15K
26:27 | 8:31/mi
20K· 12.43 mi
1:47:02
Rank: #18281 (+424)
15K → 20K
26:29 | 8:31/mi
Half· 13.11 mi
1:52:52
Rank: #18267 (+14)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:13:46
Rank: #18022 (+245)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:41:58
Rank: #17901 (+121)
25K → 30K
28:12 | 9:05/mi
20M
2:54:17
Rank: #17800 (+101)
30K → 20M
12:19 | 9:04/mi
21M
3:04:14
Rank: #17806 (-6)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:10:45
Rank: #17753 (+53)
21M → 35K
6:31 | 8:43/mi
23M
3:21:58
Rank: #17645 (+108)
35K → 23M
11:13 | 8:58/mi
24M
3:30:14
Rank: #17451 (+194)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:37:15
Rank: #17236 (+215)
24M → 40K
7:01 | 8:12/mi
25.2M
3:40:38
Rank: #17234 (+2)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:49:11
Rank: #17150 (+84)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:52
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:56:19
Pace8:52 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1527:328:5227:32
8:52
-
10K
6.21 mi12:09:4954:068:4226:34
8:33
-0:19
15K
9.32 mi12:36:161:20:338:3926:27
8:31
-0:02
20K
12.43 mi13:02:451:47:028:3726:29
8:31
0:00
Half
13.11 mi13:08:351:52:528:375:50
8:33
+0:02
25K
15.53 mi13:29:292:13:468:3720:54
8:37
+0:04
30K
18.64 mi13:57:412:41:588:4128:12
9:05
+0:28
20M
20.00 mi14:10:002:54:178:4312:19
9:04
-0:01
21M
21.00 mi14:19:573:04:148:469:57
9:57
+0:53
35K
21.75 mi14:26:283:10:458:466:31
8:43
-1:14
23M
23.00 mi14:37:413:21:588:4711:13
8:58
+0:15
24M
24.00 mi14:45:573:30:148:468:16
8:16
-0:42
40K
24.85 mi14:52:583:37:158:447:01
8:12
-0:04
25.2M
25.20 mi14:56:213:40:388:453:23
9:49
+1:37
Finish
26.22 mi15:04:543:49:118:458:33
8:23
-1:26

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

8:12 /mi

Average Pace

8:45 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:17

7% of race

Time at Steady Pace

2:01:18

53% of race

Time at Slower Pace

1:32:36

40% of race

Average Pace: 8:44 /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 mi11:43:1527:328:5227:32
8:52
#19797
10K
6.21 mi12:09:4954:068:4226:34
8:33
#19131
15K
9.32 mi12:36:161:20:338:3926:27
8:31
#18705
20K
12.43 mi13:02:451:47:028:3726:29
8:31
#18281
Half
13.11 mi13:08:351:52:528:375:50
8:33
#18267
25K
15.53 mi13:29:292:13:468:3720:54
8:37
#18022
30K
18.64 mi13:57:412:41:588:4128:12
9:05
#17901
20M
20.00 mi14:10:002:54:178:4312:19
9:04
#17800
21M
21.00 mi14:19:573:04:148:469:57
9:57
#17806
35K
21.75 mi14:26:283:10:458:466:31
8:43
#17753
23M
23.00 mi14:37:413:21:588:4711:13
8:58
#17645
24M
24.00 mi14:45:573:30:148:468:16
8:16
#17451
40K
24.85 mi14:52:583:37:158:447:01
8:12
#17236
25.2M
25.20 mi14:56:213:40:388:453:23
9:49
#17234
Finish
26.22 mi15:04:543:49:118:458:33
8:23
#17150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi19797120861208617893(Top 67%)11437(Top 75%)11437(Top 557%)
10K6.21 mi3.10 mi19131+66611874+21211874+21218560(Top 70%)11732(Top 77%)11732(Top 572%)
15K9.32 mi3.11 mi18705+42611739+13511739+13517893(Top 67%)11437(Top 75%)11437(Top 557%)
20K12.43 mi3.11 mi18281+42411582+15711582+15717004(Top 64%)11059(Top 73%)11059(Top 539%)
Half13.11 mi0.68 mi18267+1411574+811574+817946(Top 67%)11468(Top 76%)11468(Top 559%)
25K15.53 mi2.42 mi18022+24511455+11911455+11916906(Top 64%)10930(Top 72%)10930(Top 533%)
30K18.64 mi3.11 mi17901+12111375+8011375+8017565(Top 66%)11148(Top 73%)11148(Top 543%)
20M20.00 mi1.36 mi17800+10111320+5511320+5516856(Top 63%)10769(Top 71%)10769(Top 525%)
21M21.00 mi1.00 mi17806-611310+1011310+1017836(Top 67%)11154(Top 73%)11154(Top 544%)
35K21.75 mi0.75 mi17753+5311276+3411276+3416442(Top 62%)10459(Top 69%)10459(Top 510%)
23M23.00 mi1.25 mi17645+10811215+6111215+6115835(Top 59%)10167(Top 67%)10167(Top 495%)
24M24.00 mi1.00 mi17451+19411135+8011135+8013053(Top 49%)8888(Top 59%)8888(Top 433%)
40K24.85 mi0.85 mi17236+21511023+11211023+11211401(Top 43%)8035(Top 53%)8035(Top 392%)
25.2M25.20 mi0.35 mi17234+211014+911014+916542(Top 62%)10354(Top 68%)10354(Top 505%)
Finish26.22 mi1.02 mi17150+8410975+3910975+3914664(Top 55%)9575(Top 63%)9575(Top 467%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17893

Males

11437

M50-54

11437

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18560

Males

11732

M50-54

11732

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17893

Males

11437

M50-54

11437

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17004

Males

11059

M50-54

11059

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17946

Males

11468

M50-54

11468

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16906

Males

10930

M50-54

10930

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17565

Males

11148

M50-54

11148

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16856

Males

10769

M50-54

10769

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17836

Males

11154

M50-54

11154

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16442

Males

10459

M50-54

10459

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15835

Males

10167

M50-54

10167

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13053

Males

8888

M50-54

8888

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11401

Males

8035

M50-54

8035

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16542

Males

10354

M50-54

10354

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14664

Males

9575

M50-54

9575

Passing Analysis

Category:
Athletes Passed
3252
Passed By
605
Net Change
+2647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19797
5K → 10K790124+666#19797#19131
10K → 15K47549+426#19131#18705
15K → 20K44824+424#18705#18281
20K → Half3319+14#18281#18267
Half → 25K27227+245#18267#18022
25K → 30K247126+121#18022#17901
30K → 20M14443+101#17901#17800
20M → 21M8187-6#17800#17806
21M → 35K7623+53#17806#17753
35K → 23M13931+108#17753#17645
23M → 24M1984+194#17645#17451
24M → 40K2183+215#17451#17236
40K → 25.2M2119+2#17236#17234
25.2M → Finish11026+84#17234#17150
TOTALS3252605+2647
📊

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