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BOSTON MARATHON 2023

Meng-Yu Hsieh

Bib: 1156•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:27
Rank: #1296
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
39:25
Rank: #1760 (-464)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
58:28
Rank: #1459 (+301)
10K → 15K
19:03 | 6:08/mi
20K· 12.43 mi
1:18:00
Rank: #1412 (+47)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:22:14
Rank: #1402 (+10)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:31
Rank: #1380 (+22)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
1:57:55
Rank: #1444 (-64)
25K → 30K
20:24 | 6:34/mi
20M
2:06:46
Rank: #1434 (+10)
30K → 20M
8:51 | 6:31/mi
21M
2:13:50
Rank: #1470 (-36)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:18:27
Rank: #1447 (+23)
21M → 35K
4:37 | 6:10/mi
23M
2:26:33
Rank: #1420 (+27)
35K → 23M
8:06 | 6:28/mi
24M
2:32:56
Rank: #1407 (+13)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:38:36
Rank: #1404 (+3)
24M → 40K
5:40 | 6:38/mi
25.2M
2:41:08
Rank: #1423 (-19)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:47:48
Rank: #1447 (-24)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:14
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:25:34
Pace6:32 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4019:276:1619:27
6:16
-
10K
6.21 mi10:39:3839:256:2119:58
6:26
+0:10
15K
9.32 mi10:58:4158:286:1619:03
6:08
-0:18
20K
12.43 mi11:18:131:18:006:1719:32
6:17
+0:09
Half
13.11 mi11:22:271:22:146:164:14
6:12
-0:05
25K
15.53 mi11:37:441:37:316:1715:17
6:18
+0:06
30K
18.64 mi11:58:081:57:556:2020:24
6:34
+0:16
20M
20.00 mi12:06:592:06:466:208:51
6:31
-0:03
21M
21.00 mi12:14:032:13:506:227:04
7:04
+0:33
35K
21.75 mi12:18:402:18:276:224:37
6:10
-0:54
23M
23.00 mi12:26:462:26:336:228:06
6:28
+0:18
24M
24.00 mi12:33:092:32:566:226:23
6:23
-0:05
40K
24.85 mi12:38:492:38:366:235:40
6:38
+0:15
25.2M
25.20 mi12:41:212:41:086:242:32
7:21
+0:43
Finish
26.22 mi12:48:012:47:486:246:40
6:33
-0:48

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

6:08 /mi

Average Pace

6:24 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:12

94% of race

Time at Steady Pace

7:04

4% of race

Time at Slower Pace

2:32

2% of race

Average Pace: 6:24 /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 mi10:19:4019:276:1619:27
6:16
#1296
10K
6.21 mi10:39:3839:256:2119:58
6:26
#1760
15K
9.32 mi10:58:4158:286:1619:03
6:08
#1459
20K
12.43 mi11:18:131:18:006:1719:32
6:17
#1412
Half
13.11 mi11:22:271:22:146:164:14
6:12
#1402
25K
15.53 mi11:37:441:37:316:1715:17
6:18
#1380
30K
18.64 mi11:58:081:57:556:2020:24
6:34
#1444
20M
20.00 mi12:06:592:06:466:208:51
6:31
#1434
21M
21.00 mi12:14:032:13:506:227:04
7:04
#1470
35K
21.75 mi12:18:402:18:276:224:37
6:10
#1447
23M
23.00 mi12:26:462:26:336:228:06
6:28
#1420
24M
24.00 mi12:33:092:32:566:226:23
6:23
#1407
40K
24.85 mi12:38:492:38:366:235:40
6:38
#1404
25.2M
25.20 mi12:41:212:41:086:242:32
7:21
#1423
Finish
26.22 mi12:48:012:47:486:246:40
6:33
#1447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1296123012301051(Top 4%)998(Top 7%)998(Top 19%)
10K6.21 mi3.10 mi1760-4641682-4521682-4522358(Top 9%)2258(Top 15%)2258(Top 43%)
15K9.32 mi3.11 mi1459+3011392+2901392+2901051(Top 4%)998(Top 7%)998(Top 19%)
20K12.43 mi3.11 mi1412+471346+461346+461331(Top 5%)1271(Top 8%)1271(Top 24%)
Half13.11 mi0.68 mi1402+101336+101336+101388(Top 5%)1328(Top 9%)1328(Top 25%)
25K15.53 mi2.42 mi1380+221317+191317+191355(Top 5%)1295(Top 9%)1295(Top 25%)
30K18.64 mi3.11 mi1444-641380-631380-631815(Top 7%)1738(Top 11%)1738(Top 33%)
20M20.00 mi1.36 mi1434+101371+91371+91482(Top 6%)1411(Top 9%)1411(Top 27%)
21M21.00 mi1.00 mi1470-361405-341405-342435(Top 9%)2298(Top 15%)2298(Top 43%)
35K21.75 mi0.75 mi1447+231382+231382+231167(Top 4%)1111(Top 7%)1111(Top 21%)
23M23.00 mi1.25 mi1420+271355+271355+271323(Top 5%)1254(Top 8%)1254(Top 24%)
24M24.00 mi1.00 mi1407+131342+131342+131609(Top 6%)1522(Top 10%)1522(Top 29%)
40K24.85 mi0.85 mi1404+31339+31339+32013(Top 8%)1883(Top 12%)1883(Top 36%)
25.2M25.20 mi0.35 mi1423-191357-181357-183073(Top 12%)2796(Top 18%)2796(Top 53%)
Finish26.22 mi1.02 mi1447-241380-231380-232665(Top 10%)2437(Top 16%)2437(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1051

Males

998

M18-39

998

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2358

Males

2258

M18-39

2258

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1051

Males

998

M18-39

998

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1331

Males

1271

M18-39

1271

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1388

Males

1328

M18-39

1328

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1355

Males

1295

M18-39

1295

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1815

Males

1738

M18-39

1738

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1482

Males

1411

M18-39

1411

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2435

Males

2298

M18-39

2298

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1167

Males

1111

M18-39

1111

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1323

Males

1254

M18-39

1254

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1609

Males

1522

M18-39

1522

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2013

Males

1883

M18-39

1883

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3073

Males

2796

M18-39

2796

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2665

Males

2437

M18-39

2437

Passing Analysis

Category:
Athletes Passed
638
Passed By
789
Net Change
-151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1296
5K → 10K4468-464#1296#1760
10K → 15K3043+301#1760#1459
15K → 20K6922+47#1459#1412
20K → Half122+10#1412#1402
Half → 25K4220+22#1402#1380
25K → 30K2993-64#1380#1444
30K → 20M2616+10#1444#1434
20M → 21M1450-36#1434#1470
21M → 35K318+23#1470#1447
35K → 23M3912+27#1447#1420
23M → 24M2613+13#1420#1407
24M → 40K2219+3#1407#1404
40K → 25.2M423-19#1404#1423
25.2M → Finish1640-24#1423#1447
TOTALS638789-151
📊

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