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BOSTON MARATHON 2024

Shiang-Yu Chung

Bib: 30197•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 50%
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:19
Rank: #15681
Start → 5K
25:19 | 8:09/mi
10K· 6.21 mi
50:57
Rank: #15749 (-68)
5K → 10K
25:38 | 8:15/mi
15K· 9.32 mi
1:16:05
Rank: #15117 (+632)
10K → 15K
25:08 | 8:05/mi
20K· 12.43 mi
1:41:33
Rank: #14547 (+570)
15K → 20K
25:28 | 8:12/mi
Half· 13.11 mi
1:47:02
Rank: #14431 (+116)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:07:37
Rank: #14138 (+293)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:36:01
Rank: #14020 (+118)
25K → 30K
28:24 | 9:08/mi
20M
2:48:15
Rank: #13854 (+166)
30K → 20M
12:14 | 9:00/mi
21M
2:57:35
Rank: #13579 (+275)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
3:04:10
Rank: #13507 (+72)
21M → 35K
6:35 | 8:48/mi
23M
3:15:06
Rank: #13232 (+275)
35K → 23M
10:56 | 8:44/mi
24M
3:23:46
Rank: #13075 (+157)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:31:40
Rank: #13006 (+69)
24M → 40K
7:54 | 9:14/mi
25.2M
3:35:13
Rank: #12981 (+25)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:43:22
Rank: #12761 (+220)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:56:20
Pace8:52 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4625:198:0925:19
8:09
-
10K
6.21 mi12:17:2450:578:1225:38
8:15
+0:06
15K
9.32 mi12:42:321:16:058:1025:08
8:05
-0:10
20K
12.43 mi13:08:001:41:338:1025:28
8:12
+0:07
Half
13.11 mi13:13:291:47:028:105:29
8:02
-0:10
25K
15.53 mi13:34:042:07:378:1320:35
8:29
+0:27
30K
18.64 mi14:02:282:36:018:2228:24
9:08
+0:39
20M
20.00 mi14:14:422:48:158:2512:14
9:00
-0:08
21M
21.00 mi14:24:022:57:358:279:20
9:20
+0:20
35K
21.75 mi14:30:373:04:108:286:35
8:48
-0:32
23M
23.00 mi14:41:333:15:068:2910:56
8:44
-0:04
24M
24.00 mi14:50:133:23:468:298:40
8:40
-0:04
40K
24.85 mi14:58:073:31:408:317:54
9:14
+0:34
25.2M
25.20 mi15:01:403:35:138:323:33
10:18
+1:04
Finish
26.22 mi15:09:493:43:228:328:09
8:00
-2:18

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

8:00 /mi

Average Pace

8:32 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:11

52% of race

Time at Steady Pace

46:46

21% of race

Time at Slower Pace

1:01:25

27% of race

Average Pace: 8:31 /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 mi11:51:4625:198:0925:19
8:09
#15681
10K
6.21 mi12:17:2450:578:1225:38
8:15
#15749
15K
9.32 mi12:42:321:16:058:1025:08
8:05
#15117
20K
12.43 mi13:08:001:41:338:1025:28
8:12
#14547
Half
13.11 mi13:13:291:47:028:105:29
8:02
#14431
25K
15.53 mi13:34:042:07:378:1320:35
8:29
#14138
30K
18.64 mi14:02:282:36:018:2228:24
9:08
#14020
20M
20.00 mi14:14:422:48:158:2512:14
9:00
#13854
21M
21.00 mi14:24:022:57:358:279:20
9:20
#13579
35K
21.75 mi14:30:373:04:108:286:35
8:48
#13507
23M
23.00 mi14:41:333:15:068:2910:56
8:44
#13232
24M
24.00 mi14:50:133:23:468:298:40
8:40
#13075
40K
24.85 mi14:58:073:31:408:317:54
9:14
#13006
25.2M
25.20 mi15:01:403:35:138:323:33
10:18
#12981
Finish
26.22 mi15:09:493:43:228:328:09
8:00
#12761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15681102641026414026(Top 55%)9612(Top 66%)9612(Top 198%)
10K6.21 mi3.10 mi15749-6810329-6510329-6515816(Top 62%)10361(Top 71%)10361(Top 214%)
15K9.32 mi3.11 mi15117+63210062+26710062+26714026(Top 55%)9612(Top 66%)9612(Top 198%)
20K12.43 mi3.11 mi14547+5709831+2319831+23113104(Top 51%)9170(Top 63%)9170(Top 189%)
Half13.11 mi0.68 mi14431+1169770+619770+6112970(Top 51%)9069(Top 62%)9069(Top 187%)
25K15.53 mi2.42 mi14138+2939624+1469624+14612983(Top 51%)8918(Top 61%)8918(Top 184%)
30K18.64 mi3.11 mi14020+1189492+1329492+13213907(Top 54%)9081(Top 62%)9081(Top 187%)
20M20.00 mi1.36 mi13854+1669370+1229370+12212127(Top 47%)8011(Top 55%)8011(Top 165%)
21M21.00 mi1.00 mi13579+2759180+1909180+19010105(Top 40%)6801(Top 47%)6801(Top 140%)
35K21.75 mi0.75 mi13507+729114+669114+6612324(Top 48%)7852(Top 54%)7852(Top 162%)
23M23.00 mi1.25 mi13232+2758941+1738941+1739730(Top 38%)6456(Top 44%)6456(Top 133%)
24M24.00 mi1.00 mi13075+1578826+1158826+11510393(Top 41%)6745(Top 46%)6745(Top 139%)
40K24.85 mi0.85 mi13006+698757+698757+6911955(Top 47%)7410(Top 51%)7410(Top 153%)
25.2M25.20 mi0.35 mi12981+258719+388719+3812032(Top 47%)7393(Top 51%)7393(Top 152%)
Finish26.22 mi1.02 mi12761+2208580+1398580+1398507(Top 33%)5666(Top 39%)5666(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14026

Males

9612

M18-39

9612

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

15816

Males

10361

M18-39

10361

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14026

Males

9612

M18-39

9612

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13104

Males

9170

M18-39

9170

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

12970

Males

9069

M18-39

9069

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

12983

Males

8918

M18-39

8918

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

13907

Males

9081

M18-39

9081

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12127

Males

8011

M18-39

8011

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10105

Males

6801

M18-39

6801

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12324

Males

7852

M18-39

7852

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

9730

Males

6456

M18-39

6456

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10393

Males

6745

M18-39

6745

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

11955

Males

7410

M18-39

7410

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12032

Males

7393

M18-39

7393

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8507

Males

5666

M18-39

5666

Passing Analysis

Category:
Athletes Passed
3826
Passed By
906
Net Change
+2920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15681
5K → 10K253321-68#15681#15749
10K → 15K65624+632#15749#15117
15K → 20K59020+570#15117#14547
20K → Half1215+116#14547#14431
Half → 25K37279+293#14431#14138
25K → 30K334216+118#14138#14020
30K → 20M21953+166#14020#13854
20M → 21M30227+275#13854#13579
21M → 35K11139+72#13579#13507
35K → 23M28813+275#13507#13232
23M → 24M18225+157#13232#13075
24M → 40K11546+69#13075#13006
40K → 25.2M5934+25#13006#12981
25.2M → Finish2244+220#12981#12761
TOTALS3826906+2920
📊

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