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BOSTON MARATHON 2024

Howard Chang

Bib: 18677•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
Division (M60-64)
#0 / 1173
Top 15%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #9346
Start → 5K
7:19/mi
22:45 split
10K· 6.21 mi
45:26
Rank: #8987 (+359)
5K → 10K
7:18/mi
22:41 split
15K· 9.32 mi
1:07:50
Rank: #8425 (+562)
10K → 15K
7:13/mi
22:24 split
20K· 12.43 mi
1:34:49
Rank: #10610 (-2185)
15K → 20K
8:41/mi
26:59 split
Half· 13.11 mi
1:39:59
Rank: #10541 (+69)
20K → Half
7:34/mi
5:10 split
25K· 15.53 mi
1:59:27
Rank: #10452 (+89)
Half → 25K
8:02/mi
19:28 split
30K· 18.64 mi
2:25:40
Rank: #10340 (+112)
25K → 30K
8:26/mi
26:13 split
20M
2:38:30
Rank: #10669 (-329)
30K → 20M
9:27/mi
12:50 split
21M
2:48:20
Rank: #10707 (-38)
20M → 21M
9:50/mi
9:50 split
35K· 21.75 mi
2:54:31
Rank: #10631 (+76)
21M → 35K
8:16/mi
6:11 split
23M
3:06:11
Rank: #10750 (-119)
35K → 23M
9:19/mi
11:40 split
24M
3:14:46
Rank: #10684 (+66)
23M → 24M
8:35/mi
8:35 split
40K· 24.85 mi
3:22:22
Rank: #10633 (+51)
24M → 40K
8:53/mi
7:36 split
25.2M
3:25:57
Rank: #10666 (-33)
40K → 25.2M
10:23/mi
3:35 split
Finish· 26.22 mi
3:35:16
Rank: #10829 (-163)
25.2M → Finish
9:09/mi
9:19 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:59
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:55:17
Pace8:48 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4922:457:1922:45
7:19
-
10K
6.21 mi11:37:3045:267:1922:41
7:18
-0:01
15K
9.32 mi11:59:541:07:507:1722:24
7:13
-0:05
20K
12.43 mi12:26:531:34:497:3826:59
8:41
+1:28
Half
13.11 mi12:32:031:39:597:385:10
7:34
-1:07
25K
15.53 mi12:51:311:59:277:4119:28
8:02
+0:28
30K
18.64 mi13:17:442:25:407:4926:13
8:26
+0:24
20M
20.00 mi13:30:342:38:307:5512:50
9:27
+1:01
21M
21.00 mi13:40:242:48:208:019:50
9:50
+0:23
35K
21.75 mi13:46:352:54:318:016:11
8:16
-1:34
23M
23.00 mi13:58:153:06:118:0611:40
9:19
+1:03
24M
24.00 mi14:06:503:14:468:078:35
8:35
-0:44
40K
24.85 mi14:14:263:22:228:097:36
8:53
+0:18
25.2M
25.20 mi14:18:013:25:578:103:35
10:23
+1:30
Finish
26.22 mi14:27:203:35:168:139:19
9:09
-1:14

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

7:13 /mi

Average Pace

8:13 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:28

43% of race

Time at Steady Pace

1:15:34

35% of race

Time at Slower Pace

47:14

22% of race

Average Pace: 8:13 /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 mi11:14:4922:457:1922:45
7:19
#9346
10K
6.21 mi11:37:3045:267:1922:41
7:18
#8987
15K
9.32 mi11:59:541:07:507:1722:24
7:13
#8425
20K
12.43 mi12:26:531:34:497:3826:59
8:41
#10610
Half
13.11 mi12:32:031:39:597:385:10
7:34
#10541
25K
15.53 mi12:51:311:59:277:4119:28
8:02
#10452
30K
18.64 mi13:17:442:25:407:4926:13
8:26
#10340
20M
20.00 mi13:30:342:38:307:5512:50
9:27
#10669
21M
21.00 mi13:40:242:48:208:019:50
9:50
#10707
35K
21.75 mi13:46:352:54:318:016:11
8:16
#10631
23M
23.00 mi13:58:153:06:118:0611:40
9:19
#10750
24M
24.00 mi14:06:503:14:468:078:35
8:35
#10684
40K
24.85 mi14:14:263:22:228:097:36
8:53
#10633
25.2M
25.20 mi14:18:013:25:578:103:35
10:23
#10666
Finish
26.22 mi14:27:203:35:168:139:19
9:09
#10829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi9346760676067536(Top 29%)6429(Top 44%)6429(Top 548%)
10K6.21 mi3.10 mi8987+3597356+2507356+2508685(Top 34%)7164(Top 49%)7164(Top 611%)
15K9.32 mi3.11 mi8425+5627017+3397017+3397536(Top 29%)6429(Top 44%)6429(Top 548%)
20K12.43 mi3.11 mi10610-21858130-11138130-111315754(Top 62%)10274(Top 70%)10274(Top 876%)
Half13.11 mi0.68 mi10541+698086+448086+449638(Top 38%)7501(Top 51%)7501(Top 639%)
25K15.53 mi2.42 mi10452+897986+1007986+10010367(Top 41%)7672(Top 53%)7672(Top 654%)
30K18.64 mi3.11 mi10340+1127815+1717815+17110317(Top 40%)7437(Top 51%)7437(Top 634%)
20M20.00 mi1.36 mi10669-3297932-1177932-11714248(Top 56%)8954(Top 61%)8954(Top 763%)
21M21.00 mi1.00 mi10707-387892+407892+4012244(Top 48%)7828(Top 54%)7828(Top 667%)
35K21.75 mi0.75 mi10631+767828+647828+649343(Top 37%)6435(Top 44%)6435(Top 549%)
23M23.00 mi1.25 mi10750-1197820+87820+812660(Top 50%)7887(Top 54%)7887(Top 672%)
24M24.00 mi1.00 mi10684+667741+797741+799937(Top 39%)6511(Top 45%)6511(Top 555%)
40K24.85 mi0.85 mi10633+517661+807661+8010306(Top 40%)6565(Top 45%)6565(Top 560%)
25.2M25.20 mi0.35 mi10666-337659+27659+212388(Top 48%)7557(Top 52%)7557(Top 644%)
Finish26.22 mi1.02 mi10829-1637695-367695-3614882(Top 58%)8932(Top 61%)8932(Top 761%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7536

Males

6429

M60-64

6429

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8685

Males

7164

M60-64

7164

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7536

Males

6429

M60-64

6429

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

15754

Males

10274

M60-64

10274

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9638

Males

7501

M60-64

7501

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10367

Males

7672

M60-64

7672

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10317

Males

7437

M60-64

7437

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14248

Males

8954

M60-64

8954

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12244

Males

7828

M60-64

7828

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9343

Males

6435

M60-64

6435

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

12660

Males

7887

M60-64

7887

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

9937

Males

6511

M60-64

6511

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10306

Males

6565

M60-64

6565

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12388

Males

7557

M60-64

7557

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

14882

Males

8932

M60-64

8932

Passing Analysis

Category:
Athletes Passed
2442*
Passed By
3921
Net Change
-1483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9346
5K → 10K44586+359#9346#8987
10K → 15K57715+562#8987#8425
15K → 20K142197-2185#8425#10610
20K → Half789+69#10610#10541
Half → 25K257168+89#10541#10452
25K → 30K337224+112#10452#10340
30K → 20M58386-329#10340#10669
20M → 21M119157-38#10669#10707
21M → 35K10832+76#10707#10631
35K → 23M113232-119#10631#10750
23M → 24M14074+66#10750#10684
24M → 40K115*64+51#10684#10633
40K → 25.2M3467-33#10633#10666
25.2M → Finish47210-163#10666#10829
TOTALS2442*3921-1483

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

📊

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