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BOSTON MARATHON 2024

Weijun Ma

Bib: 9124•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13957
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
50:02
Rank: #14783 (-826)
5K → 10K
25:27 | 8:11/mi
15K· 9.32 mi
1:14:32
Rank: #14036 (+747)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:39:51
Rank: #13670 (+366)
15K → 20K
25:19 | 8:09/mi
Half· 13.11 mi
1:45:17
Rank: #13597 (+73)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:04:57
Rank: #13021 (+576)
Half → 25K
19:40 | 8:07/mi
30K· 18.64 mi
2:31:13
Rank: #12426 (+595)
25K → 30K
26:16 | 8:27/mi
20M
2:43:26
Rank: #12338 (+88)
30K → 20M
12:13 | 8:59/mi
21M
2:53:40
Rank: #12423 (-85)
20M → 21M
10:14 | 10:14/mi
35K· 21.75 mi
3:01:02
Rank: #12599 (-176)
21M → 35K
7:22 | 9:50/mi
23M
3:13:21
Rank: #12758 (-159)
35K → 23M
12:19 | 9:50/mi
24M
3:23:02
Rank: #12885 (-127)
23M → 24M
9:41 | 9:41/mi
40K· 24.85 mi
3:31:38
Rank: #12996 (-111)
24M → 40K
8:36 | 10:04/mi
25.2M
3:35:40
Rank: #13079 (-83)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
3:45:44
Rank: #13305 (-226)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:00:27
Pace9:11 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2624:357:5524:35
7:55
-
10K
6.21 mi11:15:5350:028:0325:27
8:11
+0:16
15K
9.32 mi11:40:231:14:328:0024:30
7:53
-0:18
20K
12.43 mi12:05:421:39:518:0225:19
8:09
+0:16
Half
13.11 mi12:11:081:45:178:025:26
7:58
-0:11
25K
15.53 mi12:30:482:04:578:0319:40
8:07
+0:09
30K
18.64 mi12:57:042:31:138:0726:16
8:27
+0:20
20M
20.00 mi13:09:172:43:268:1012:13
8:59
+0:32
21M
21.00 mi13:19:312:53:408:1610:14
10:14
+1:15
35K
21.75 mi13:26:533:01:028:197:22
9:50
-0:24
23M
23.00 mi13:39:123:13:218:2412:19
9:50
0:00
24M
24.00 mi13:48:533:23:028:289:41
9:41
-0:09
40K
24.85 mi13:57:293:31:388:318:36
10:04
+0:23
25.2M
25.20 mi14:01:313:35:408:334:02
11:42
+1:38
Finish
26.22 mi14:11:353:45:448:3710:04
9:53
-1:49

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

7:53 /mi

Average Pace

8:37 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:57

55% of race

Time at Steady Pace

38:29

17% of race

Time at Slower Pace

1:02:18

28% of race

Average Pace: 8:37 /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 mi10:50:2624:357:5524:35
7:55
#13957
10K
6.21 mi11:15:5350:028:0325:27
8:11
#14783
15K
9.32 mi11:40:231:14:328:0024:30
7:53
#14036
20K
12.43 mi12:05:421:39:518:0225:19
8:09
#13670
Half
13.11 mi12:11:081:45:178:025:26
7:58
#13597
25K
15.53 mi12:30:482:04:578:0319:40
8:07
#13021
30K
18.64 mi12:57:042:31:138:0726:16
8:27
#12426
20M
20.00 mi13:09:172:43:268:1012:13
8:59
#12338
21M
21.00 mi13:19:312:53:408:1610:14
10:14
#12423
35K
21.75 mi13:26:533:01:028:197:22
9:50
#12599
23M
23.00 mi13:39:123:13:218:2412:19
9:50
#12758
24M
24.00 mi13:48:533:23:028:289:41
9:41
#12885
40K
24.85 mi13:57:293:31:388:318:36
10:04
#12996
25.2M
25.20 mi14:01:313:35:408:334:02
11:42
#13079
Finish
26.22 mi14:11:353:45:448:3710:04
9:53
#13305
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi139579639963912562(Top 49%)8988(Top 62%)8988(Top 464%)
10K6.21 mi3.10 mi14783-8269942-3039942-30315466(Top 61%)10232(Top 70%)10232(Top 529%)
15K9.32 mi3.11 mi14036+7479647+2959647+29512562(Top 49%)8988(Top 62%)8988(Top 464%)
20K12.43 mi3.11 mi13670+3669474+1739474+17312820(Top 50%)9042(Top 62%)9042(Top 467%)
Half13.11 mi0.68 mi13597+739443+319443+3112474(Top 49%)8865(Top 61%)8865(Top 458%)
25K15.53 mi2.42 mi13021+5769173+2709173+27010864(Top 43%)7947(Top 55%)7947(Top 411%)
30K18.64 mi3.11 mi12426+5958810+3638810+36310420(Top 41%)7501(Top 51%)7501(Top 388%)
20M20.00 mi1.36 mi12338+888726+848726+8412068(Top 47%)7985(Top 55%)7985(Top 413%)
21M21.00 mi1.00 mi12423-858695+318695+3113855(Top 54%)8586(Top 59%)8586(Top 444%)
35K21.75 mi0.75 mi12599-1768732-378732-3716644(Top 65%)9925(Top 68%)9925(Top 513%)
23M23.00 mi1.25 mi12758-1598744-128744-1214904(Top 58%)8996(Top 62%)8996(Top 465%)
24M24.00 mi1.00 mi12885-1278746-28746-215191(Top 59%)9109(Top 62%)9109(Top 471%)
40K24.85 mi0.85 mi12996-1118754-88754-815199(Top 59%)9054(Top 62%)9054(Top 468%)
25.2M25.20 mi0.35 mi13079-838768-148768-1416531(Top 65%)9685(Top 66%)9685(Top 501%)
Finish26.22 mi1.02 mi13305-2268838-708838-7017956(Top 70%)10432(Top 72%)10432(Top 539%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12562

Males

8988

M50-54

8988

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

15466

Males

10232

M50-54

10232

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12562

Males

8988

M50-54

8988

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

12820

Males

9042

M50-54

9042

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12474

Males

8865

M50-54

8865

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

10864

Males

7947

M50-54

7947

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10420

Males

7501

M50-54

7501

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12068

Males

7985

M50-54

7985

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

13855

Males

8586

M50-54

8586

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

16644

Males

9925

M50-54

9925

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14904

Males

8996

M50-54

8996

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15191

Males

9109

M50-54

9109

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15199

Males

9054

M50-54

9054

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16531

Males

9685

M50-54

9685

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

17956

Males

10432

M50-54

10432

Passing Analysis

Category:
Athletes Passed
3165
Passed By
2513
Net Change
+652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13957
5K → 10K74900-826#13957#14783
10K → 15K76114+747#14783#14036
15K → 20K44478+366#14036#13670
20K → Half8512+73#13670#13597
Half → 25K59216+576#13597#13021
25K → 30K62732+595#13021#12426
30K → 20M17486+88#12426#12338
20M → 21M102187-85#12338#12423
21M → 35K30206-176#12423#12599
35K → 23M83242-159#12599#12758
23M → 24M65192-127#12758#12885
24M → 40K69180-111#12885#12996
40K → 25.2M21104-83#12996#13079
25.2M → Finish38264-226#13079#13305
TOTALS31652513+652
📊

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