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BOSTON MARATHON 2024

Weiheng Chang

Bib: 16196•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Male)
#0 / 14578
Top 42%
Masters (Masters Men)
#0 / 9729
Top 31%
Division (M55-59)
#0 / 1529
Top 15%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #8405
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
45:11
Rank: #8677 (-272)
5K → 10K
22:49 | 7:21/mi
15K· 9.32 mi
1:08:27
Rank: #8934 (-257)
10K → 15K
23:16 | 7:29/mi
20K· 12.43 mi
1:32:32
Rank: #9218 (-284)
15K → 20K
24:05 | 7:45/mi
Half· 13.11 mi
1:37:45
Rank: #9257 (-39)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:56:59
Rank: #9299 (-42)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:22:16
Rank: #9080 (+219)
25K → 30K
25:17 | 8:08/mi
20M
2:33:15
Rank: #8858 (+222)
30K → 20M
10:59 | 8:05/mi
21M
2:42:01
Rank: #8678 (+180)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:47:34
Rank: #8452 (+226)
21M → 35K
5:33 | 7:25/mi
23M
2:57:52
Rank: #8278 (+174)
35K → 23M
10:18 | 8:14/mi
24M
3:05:47
Rank: #8123 (+155)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:12:39
Rank: #7974 (+149)
24M → 40K
6:52 | 8:02/mi
25.2M
3:15:43
Rank: #7903 (+71)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:23:42
Rank: #7832 (+71)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:45:57
Pace8:05 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:2522:227:1222:22
7:12
-
10K
6.21 mi11:35:1445:117:1622:49
7:21
+0:09
15K
9.32 mi11:58:301:08:277:2123:16
7:29
+0:08
20K
12.43 mi12:22:351:32:327:2724:05
7:45
+0:16
Half
13.11 mi12:27:481:37:457:275:13
7:39
-0:06
25K
15.53 mi12:47:021:56:597:3219:14
7:56
+0:17
30K
18.64 mi13:12:192:22:167:3825:17
8:08
+0:12
20M
20.00 mi13:23:182:33:157:4010:59
8:05
-0:03
21M
21.00 mi13:32:042:42:017:438:46
8:46
+0:41
35K
21.75 mi13:37:372:47:347:425:33
7:25
-1:21
23M
23.00 mi13:47:552:57:527:4410:18
8:14
+0:49
24M
24.00 mi13:55:503:05:477:447:55
7:55
-0:19
40K
24.85 mi14:02:423:12:397:456:52
8:02
+0:07
25.2M
25.20 mi14:05:463:15:437:463:04
8:54
+0:52
Finish
26.22 mi14:13:453:23:427:467:59
7:50
-1:04

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

7:12 /mi

Average Pace

7:46 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:13

39% of race

Time at Steady Pace

1:42:21

50% of race

Time at Slower Pace

22:08

11% of race

Average Pace: 7:46 /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 mi11:12:2522:227:1222:22
7:12
#8405
10K
6.21 mi11:35:1445:117:1622:49
7:21
#8677
15K
9.32 mi11:58:301:08:277:2123:16
7:29
#8934
20K
12.43 mi12:22:351:32:327:2724:05
7:45
#9218
Half
13.11 mi12:27:481:37:457:275:13
7:39
#9257
25K
15.53 mi12:47:021:56:597:3219:14
7:56
#9299
30K
18.64 mi13:12:192:22:167:3825:17
8:08
#9080
20M
20.00 mi13:23:182:33:157:4010:59
8:05
#8858
21M
21.00 mi13:32:042:42:017:438:46
8:46
#8678
35K
21.75 mi13:37:372:47:347:425:33
7:25
#8452
23M
23.00 mi13:47:552:57:527:4410:18
8:14
#8278
24M
24.00 mi13:55:503:05:477:447:55
7:55
#8123
40K
24.85 mi14:02:423:12:397:456:52
8:02
#7974
25.2M
25.20 mi14:05:463:15:437:463:04
8:54
#7903
Finish
26.22 mi14:13:453:23:427:467:59
7:50
#7832
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8405704970499582(Top 38%)7591(Top 52%)7591(Top 496%)
10K6.21 mi3.10 mi8677-2727175-1267175-1269005(Top 35%)7333(Top 50%)7333(Top 480%)
15K9.32 mi3.11 mi8934-2577312-1377312-1379582(Top 38%)7591(Top 52%)7591(Top 496%)
20K12.43 mi3.11 mi9218-2847428-1167428-11610076(Top 39%)7690(Top 53%)7690(Top 503%)
Half13.11 mi0.68 mi9257-397448-207448-2010118(Top 40%)7718(Top 53%)7718(Top 505%)
25K15.53 mi2.42 mi9299-427427+217427+219736(Top 38%)7355(Top 50%)7355(Top 481%)
30K18.64 mi3.11 mi9080+2197209+2187209+2188647(Top 34%)6584(Top 45%)6584(Top 431%)
20M20.00 mi1.36 mi8858+2227029+1807029+1807225(Top 28%)5572(Top 38%)5572(Top 364%)
21M21.00 mi1.00 mi8678+1806872+1576872+1577461(Top 29%)5520(Top 38%)5520(Top 361%)
35K21.75 mi0.75 mi8452+2266714+1586714+1584708(Top 18%)3933(Top 27%)3933(Top 257%)
23M23.00 mi1.25 mi8278+1746552+1626552+1626938(Top 27%)5050(Top 35%)5050(Top 330%)
24M24.00 mi1.00 mi8123+1556423+1296423+1296175(Top 24%)4559(Top 31%)4559(Top 298%)
40K24.85 mi0.85 mi7974+1496289+1346289+1345954(Top 23%)4311(Top 30%)4311(Top 282%)
25.2M25.20 mi0.35 mi7903+716233+566233+566039(Top 24%)4298(Top 29%)4298(Top 281%)
Finish26.22 mi1.02 mi7832+716150+836150+837520(Top 29%)5160(Top 35%)5160(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9582

Males

7591

M55-59

7591

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9005

Males

7333

M55-59

7333

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9582

Males

7591

M55-59

7591

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10076

Males

7690

M55-59

7690

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10118

Males

7718

M55-59

7718

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9736

Males

7355

M55-59

7355

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

8647

Males

6584

M55-59

6584

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7225

Males

5572

M55-59

5572

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7461

Males

5520

M55-59

5520

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4708

Males

3933

M55-59

3933

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

6938

Males

5050

M55-59

5050

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6175

Males

4559

M55-59

4559

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5954

Males

4311

M55-59

4311

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6039

Males

4298

M55-59

4298

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7520

Males

5160

M55-59

5160

Passing Analysis

Category:
Athletes Passed
2425
Passed By
1852
Net Change
+573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8405
5K → 10K150422-272#8405#8677
10K → 15K110367-257#8677#8934
15K → 20K121405-284#8934#9218
20K → Half2665-39#9218#9257
Half → 25K193235-42#9257#9299
25K → 30K378159+219#9299#9080
30K → 20M24624+222#9080#8858
20M → 21M21535+180#8858#8678
21M → 35K2271+226#8678#8452
35K → 23M21541+174#8452#8278
23M → 24M18025+155#8278#8123
24M → 40K16920+149#8123#7974
40K → 25.2M743+71#7974#7903
25.2M → Finish12150+71#7903#7832
TOTALS24251852+573
📊

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