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BOSTON MARATHON 2024

Theodore Chang

Bib: 11189•M

CA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
49:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:16:15
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:43:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:49:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:10:54
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:39:24
↑ 181↓ 1480.2%
20M
9:13/mi
2:51:56
↑ 64↓ 500.2%
21M
10:55/mi
3:02:51
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:09:42
↑ 17↓ 861.7%
23M
9:26/mi
3:21:31
↑ 23↓ 630.6%
24M
8:58/mi
3:30:29
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:38:06
↓ 200.3%
25.2M
10:12/mi
3:41:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:50:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:41
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:00:44
Pace9:13 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1323:537:4123:53
7:41
-
10K
6.21 mi11:18:0049:408:0025:47
8:18
+0:37
15K
9.32 mi11:44:351:16:158:1126:35
8:33
+0:15
20K
12.43 mi12:12:001:43:408:2127:25
8:49
+0:16
Half
13.11 mi12:18:011:49:418:226:01
8:49
0:00
25K
15.53 mi12:39:142:10:548:2621:13
8:45
-0:04
30K
18.64 mi13:07:442:39:248:3328:30
9:10
+0:25
20M
20.00 mi13:20:162:51:568:3612:32
9:13
+0:03
21M
21.00 mi13:31:113:02:518:4210:55
10:55
+1:42
35K
21.75 mi13:38:023:09:428:436:51
9:09
-1:46
23M
23.00 mi13:49:513:21:318:4611:49
9:26
+0:17
24M
24.00 mi13:58:493:30:298:468:58
8:58
-0:28
40K
24.85 mi14:06:263:38:068:467:37
8:54
-0:04
25.2M
25.20 mi14:09:573:41:378:483:31
10:12
+1:18
Finish
26.22 mi14:18:453:50:258:488:48
8:38
-1:34

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

7:41 /mi

Average Pace

8:48 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:40

22% of race

Time at Steady Pace

2:34:30

67% of race

Time at Slower Pace

26:15

11% of race

Average Pace: 8:47 /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 mi10:52:1323:537:4123:53
7:41
#12209
10K
6.21 mi11:18:0049:408:0025:47
8:18
#14349
15K
9.32 mi11:44:351:16:158:1126:35
8:33
#15220
20K
12.43 mi12:12:001:43:408:2127:25
8:49
#15511
Half
13.11 mi12:18:011:49:418:226:01
8:49
#15616
25K
15.53 mi12:39:142:10:548:2621:13
8:45
#15354
30K
18.64 mi13:07:442:39:248:3328:30
9:10
#15102
20M
20.00 mi13:20:162:51:568:3612:32
9:13
#14966
21M
21.00 mi13:31:113:02:518:4210:55
10:55
#15061
35K
21.75 mi13:38:023:09:428:436:51
9:09
#15015
23M
23.00 mi13:49:513:21:318:4611:49
9:26
#14889
24M
24.00 mi13:58:493:30:298:468:58
8:58
#14710
40K
24.85 mi14:06:263:38:068:467:37
8:54
#14504
25.2M
25.20 mi14:09:573:41:378:483:31
10:12
#14447
Finish
26.22 mi14:18:453:50:258:488:48
8:38
#14352
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi122098931893116696(Top 65%)10687(Top 73%)10687(Top 552%)
10K6.21 mi3.10 mi14349-21409772-8419772-84116091(Top 63%)10468(Top 72%)10468(Top 541%)
15K9.32 mi3.11 mi15220-87110100-32810100-32816696(Top 65%)10687(Top 73%)10687(Top 552%)
20K12.43 mi3.11 mi15511-29110205-10510205-10516509(Top 65%)10573(Top 73%)10573(Top 546%)
Half13.11 mi0.68 mi15616-10510236-3110236-3117385(Top 68%)10889(Top 75%)10889(Top 563%)
25K15.53 mi2.42 mi15354+26210107+12910107+12914315(Top 56%)9503(Top 65%)9503(Top 491%)
30K18.64 mi3.11 mi15102+2529929+1789929+17814064(Top 55%)9148(Top 63%)9148(Top 473%)
20M20.00 mi1.36 mi14966+1369830+999830+9913248(Top 52%)8518(Top 58%)8518(Top 440%)
21M21.00 mi1.00 mi15061-959815+159815+1516109(Top 63%)9691(Top 66%)9691(Top 501%)
35K21.75 mi0.75 mi15015+469773+429773+4214051(Top 55%)8669(Top 59%)8669(Top 448%)
23M23.00 mi1.25 mi14889+1269662+1119662+11113237(Top 52%)8185(Top 56%)8185(Top 423%)
24M24.00 mi1.00 mi14710+1799532+1309532+13011964(Top 47%)7557(Top 52%)7557(Top 391%)
40K24.85 mi0.85 mi14504+2069413+1199413+11910407(Top 41%)6628(Top 45%)6628(Top 343%)
25.2M25.20 mi0.35 mi14447+579381+329381+3211703(Top 46%)7246(Top 50%)7246(Top 374%)
Finish26.22 mi1.02 mi14352+959313+689313+6812264(Top 48%)7647(Top 52%)7647(Top 395%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

16696

Males

10687

M50-54

10687

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16091

Males

10468

M50-54

10468

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

16696

Males

10687

M50-54

10687

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

16509

Males

10573

M50-54

10573

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17385

Males

10889

M50-54

10889

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14315

Males

9503

M50-54

9503

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14064

Males

9148

M50-54

9148

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13248

Males

8518

M50-54

8518

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16109

Males

9691

M50-54

9691

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14051

Males

8669

M50-54

8669

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13237

Males

8185

M50-54

8185

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

11964

Males

7557

M50-54

7557

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10407

Males

6628

M50-54

6628

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11703

Males

7246

M50-54

7246

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12264

Males

7647

M50-54

7647

Passing Analysis

Category:
Athletes Passed
2142
Passed By
4285
Net Change
-2143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12209
5K → 10K172157-2140#12209#14349
10K → 15K62933-871#14349#15220
15K → 20K152443-291#15220#15511
20K → Half13118-105#15511#15616
Half → 25K35391+262#15616#15354
25K → 30K394142+252#15354#15102
30K → 20M18751+136#15102#14966
20M → 21M104199-95#14966#15061
21M → 35K8337+46#15061#15015
35K → 23M18357+126#15015#14889
23M → 24M19011+179#14889#14710
24M → 40K21812+206#14710#14504
40K → 25.2M6912+57#14504#14447
25.2M → Finish11722+95#14447#14352
TOTALS21424285-2143
📊

Passing Visuals

Category:
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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