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BOSTON MARATHON 2023

Ping-Yu Tsai

Bib: 29459•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:24
Rank: #23695
Start → 5K
31:24 | 10:06/mi
10K· 6.21 mi
1:01:21
Rank: #23332 (+363)
5K → 10K
29:57 | 9:38/mi
15K· 9.32 mi
1:31:44
Rank: #23237 (+95)
10K → 15K
30:23 | 9:47/mi
20K· 12.43 mi
2:02:51
Rank: #23160 (+77)
15K → 20K
31:07 | 10:01/mi
Half· 13.11 mi
2:09:49
Rank: #23192 (-32)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:36:04
Rank: #23310 (-118)
Half → 25K
26:15 | 10:50/mi
30K· 18.64 mi
3:11:14
Rank: #23352 (-42)
25K → 30K
35:10 | 11:19/mi
20M
3:26:09
Rank: #23297 (+55)
30K → 20M
14:55 | 10:59/mi
21M
3:38:02
Rank: #23265 (+32)
20M → 21M
11:53 | 11:53/mi
35K· 21.75 mi
3:46:44
Rank: #23305 (-40)
21M → 35K
8:42 | 11:38/mi
23M
4:01:11
Rank: #23307 (-2)
35K → 23M
14:27 | 11:32/mi
24M
4:11:49
Rank: #23270 (+37)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
4:21:23
Rank: #23258 (+12)
24M → 40K
9:34 | 11:11/mi
25.2M
4:25:16
Rank: #23212 (+46)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
4:36:31
Rank: #23254 (-42)
25.2M → Finish
11:15 | 11:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:49
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:26:42
Pace11:11 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0431:2410:0631:24
10:06
-
10K
6.21 mi12:20:011:01:219:5229:57
9:38
-0:28
15K
9.32 mi12:50:241:31:449:5130:23
9:47
+0:09
20K
12.43 mi13:21:312:02:519:5331:07
10:01
+0:14
Half
13.11 mi13:28:292:09:499:546:58
10:13
+0:12
25K
15.53 mi13:54:442:36:0410:0326:15
10:50
+0:37
30K
18.64 mi14:29:543:11:1410:1635:10
11:19
+0:29
20M
20.00 mi14:44:493:26:0910:1814:55
10:59
-0:20
21M
21.00 mi14:56:423:38:0210:2311:53
11:53
+0:54
35K
21.75 mi15:05:243:46:4410:268:42
11:38
-0:15
23M
23.00 mi15:19:514:01:1110:2914:27
11:32
-0:06
24M
24.00 mi15:30:294:11:4910:3010:38
10:38
-0:54
40K
24.85 mi15:40:034:21:2310:319:34
11:11
+0:33
25.2M
25.20 mi15:43:564:25:1610:323:53
11:16
+0:05
Finish
26.22 mi15:55:114:36:3110:3311:15
11:02
-0:14

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

9:38 /mi

Average Pace

10:33 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:27

51% of race

Time at Steady Pace

1:41:02

37% of race

Time at Slower Pace

35:02

13% of race

Average Pace: 10:33 /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 mi11:50:0431:2410:0631:24
10:06
#23695
10K
6.21 mi12:20:011:01:219:5229:57
9:38
#23332
15K
9.32 mi12:50:241:31:449:5130:23
9:47
#23237
20K
12.43 mi13:21:312:02:519:5331:07
10:01
#23160
Half
13.11 mi13:28:292:09:499:546:58
10:13
#23192
25K
15.53 mi13:54:442:36:0410:0326:15
10:50
#23310
30K
18.64 mi14:29:543:11:1410:1635:10
11:19
#23352
20M
20.00 mi14:44:493:26:0910:1814:55
10:59
#23297
21M
21.00 mi14:56:423:38:0210:2311:53
11:53
#23265
35K
21.75 mi15:05:243:46:4410:268:42
11:38
#23305
23M
23.00 mi15:19:514:01:1110:2914:27
11:32
#23307
24M
24.00 mi15:30:294:11:4910:3010:38
10:38
#23270
40K
24.85 mi15:40:034:21:2310:319:34
11:11
#23258
25.2M
25.20 mi15:43:564:25:1610:323:53
11:16
#23212
Finish
26.22 mi15:55:114:36:3110:3311:15
11:02
#23254
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23695139271392722999(Top 86%)13634(Top 90%)13634(Top 258%)
10K6.21 mi3.10 mi23332+36313770+15713770+15722905(Top 86%)13594(Top 90%)13594(Top 257%)
15K9.32 mi3.11 mi23237+9513737+3313737+3322999(Top 86%)13634(Top 90%)13634(Top 258%)
20K12.43 mi3.11 mi23160+7713701+3613701+3622953(Top 86%)13598(Top 90%)13598(Top 257%)
Half13.11 mi0.68 mi23192-3213721-2013721-2023678(Top 89%)13927(Top 92%)13927(Top 264%)
25K15.53 mi2.42 mi23310-11813770-4913770-4923712(Top 89%)13892(Top 92%)13892(Top 263%)
30K18.64 mi3.11 mi23352-4213766+413766+423607(Top 89%)13805(Top 91%)13805(Top 261%)
20M20.00 mi1.36 mi23297+5513726+4013726+4022667(Top 85%)13306(Top 88%)13306(Top 252%)
21M21.00 mi1.00 mi23265+3213704+2213704+2222551(Top 85%)13222(Top 87%)13222(Top 250%)
35K21.75 mi0.75 mi23305-4013718-1413718-1424253(Top 91%)13971(Top 92%)13971(Top 264%)
23M23.00 mi1.25 mi23307-213703+1513703+1523324(Top 88%)13543(Top 89%)13543(Top 256%)
24M24.00 mi1.00 mi23270+3713685+1813685+1822300(Top 84%)13022(Top 86%)13022(Top 246%)
40K24.85 mi0.85 mi23258+1213669+1613669+1622717(Top 85%)13186(Top 87%)13186(Top 249%)
25.2M25.20 mi0.35 mi23212+4613638+3113638+3121043(Top 79%)12416(Top 82%)12416(Top 235%)
Finish26.22 mi1.02 mi23254-4213650-1213650-1224037(Top 90%)13836(Top 91%)13836(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22999

Males

13634

M18-39

13634

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22905

Males

13594

M18-39

13594

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22999

Males

13634

M18-39

13634

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22953

Males

13598

M18-39

13598

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23678

Males

13927

M18-39

13927

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23712

Males

13892

M18-39

13892

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23607

Males

13805

M18-39

13805

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22667

Males

13306

M18-39

13306

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22551

Males

13222

M18-39

13222

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24253

Males

13971

M18-39

13971

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23324

Males

13543

M18-39

13543

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22300

Males

13022

M18-39

13022

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22717

Males

13186

M18-39

13186

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21043

Males

12416

M18-39

12416

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

24037

Males

13836

M18-39

13836

Passing Analysis

Category:
Athletes Passed
1327
Passed By
886
Net Change
+441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23695
5K → 10K43976+363#23695#23332
10K → 15K19196+95#23332#23237
15K → 20K15073+77#23237#23160
20K → Half1446-32#23160#23192
Half → 25K60178-118#23192#23310
25K → 30K108150-42#23310#23352
30K → 20M7924+55#23352#23297
20M → 21M5220+32#23297#23265
21M → 35K1959-40#23265#23305
35K → 23M5254-2#23305#23307
23M → 24M5316+37#23307#23270
24M → 40K4432+12#23270#23258
40K → 25.2M515+46#23258#23212
25.2M → Finish1557-42#23212#23254
TOTALS1327886+441
📊

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