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BOSTON MARATHON 2023

Pai Hung Chiang

Bib: 10012•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M55-59)
#0 / 1422
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:01
Rank: #6797
Start → 5K
22:01 | 7:05/mi
10K· 6.21 mi
44:26
Rank: #7434 (-637)
5K → 10K
22:25 | 7:13/mi
15K· 9.32 mi
1:07:11
Rank: #7802 (-368)
10K → 15K
22:45 | 7:19/mi
20K· 12.43 mi
1:30:13
Rank: #7964 (-162)
15K → 20K
23:02 | 7:25/mi
Half· 13.11 mi
1:35:04
Rank: #7924 (+40)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:53:33
Rank: #8143 (-219)
Half → 25K
18:29 | 7:37/mi
30K· 18.64 mi
2:17:56
Rank: #8351 (-208)
25K → 30K
24:23 | 7:51/mi
20M
2:28:41
Rank: #8429 (-78)
30K → 20M
10:45 | 7:55/mi
21M
2:37:04
Rank: #8499 (-70)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:42:52
Rank: #8545 (-46)
21M → 35K
5:48 | 7:45/mi
23M
2:53:01
Rank: #8641 (-96)
35K → 23M
10:09 | 8:06/mi
24M
3:00:51
Rank: #8683 (-42)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:07:44
Rank: #8720 (-37)
24M → 40K
6:53 | 8:03/mi
25.2M
3:10:40
Rank: #8714 (+6)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:18:02
Rank: #8621 (+93)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:04
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1622:017:0522:01
7:05
-
10K
6.21 mi11:10:4144:267:0922:25
7:13
+0:08
15K
9.32 mi11:33:261:07:117:1222:45
7:19
+0:06
20K
12.43 mi11:56:281:30:137:1623:02
7:25
+0:06
Half
13.11 mi12:01:191:35:047:154:51
7:07
-0:18
25K
15.53 mi12:19:481:53:337:1918:29
7:37
+0:30
30K
18.64 mi12:44:112:17:567:2424:23
7:51
+0:14
20M
20.00 mi12:54:562:28:417:2610:45
7:55
+0:04
21M
21.00 mi13:03:192:37:047:298:23
8:23
+0:28
35K
21.75 mi13:09:072:42:527:295:48
7:45
-0:38
23M
23.00 mi13:19:162:53:017:3110:09
8:06
+0:21
24M
24.00 mi13:27:063:00:517:327:50
7:50
-0:16
40K
24.85 mi13:33:593:07:447:336:53
8:03
+0:13
25.2M
25.20 mi13:36:553:10:407:342:56
8:30
+0:27
Finish
26.22 mi13:44:173:18:027:347:22
7:14
-1:16

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

7:05 /mi

Average Pace

7:34 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:43

64% of race

Time at Steady Pace

1:00:00

30% of race

Time at Slower Pace

11:19

6% of race

Average Pace: 7:33 /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 mi10:48:1622:017:0522:01
7:05
#6797
10K
6.21 mi11:10:4144:267:0922:25
7:13
#7434
15K
9.32 mi11:33:261:07:117:1222:45
7:19
#7802
20K
12.43 mi11:56:281:30:137:1623:02
7:25
#7964
Half
13.11 mi12:01:191:35:047:154:51
7:07
#7924
25K
15.53 mi12:19:481:53:337:1918:29
7:37
#8143
30K
18.64 mi12:44:112:17:567:2424:23
7:51
#8351
20M
20.00 mi12:54:562:28:417:2610:45
7:55
#8429
21M
21.00 mi13:03:192:37:047:298:23
8:23
#8499
35K
21.75 mi13:09:072:42:527:295:48
7:45
#8545
23M
23.00 mi13:19:162:53:017:3110:09
8:06
#8641
24M
24.00 mi13:27:063:00:517:327:50
7:50
#8683
40K
24.85 mi13:33:593:07:447:336:53
8:03
#8720
25.2M
25.20 mi13:36:553:10:407:342:56
8:30
#8714
Finish
26.22 mi13:44:173:18:027:347:22
7:14
#8621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6797612161218735(Top 33%)7384(Top 49%)7384(Top 519%)
10K6.21 mi3.10 mi7434-6376587-4666587-4668211(Top 31%)7089(Top 47%)7089(Top 499%)
15K9.32 mi3.11 mi7802-3686828-2416828-2418735(Top 33%)7384(Top 49%)7384(Top 519%)
20K12.43 mi3.11 mi7964-1626914-866914-868608(Top 32%)7262(Top 48%)7262(Top 511%)
Half13.11 mi0.68 mi7924+406884+306884+307239(Top 27%)6408(Top 42%)6408(Top 451%)
25K15.53 mi2.42 mi8143-2197000-1167000-1169699(Top 36%)7812(Top 51%)7812(Top 549%)
30K18.64 mi3.11 mi8351-2087094-947094-949713(Top 36%)7674(Top 51%)7674(Top 540%)
20M20.00 mi1.36 mi8429-787126-327126-329605(Top 36%)7521(Top 50%)7521(Top 529%)
21M21.00 mi1.00 mi8499-707153-277153-279720(Top 37%)7452(Top 49%)7452(Top 524%)
35K21.75 mi0.75 mi8545-467169-167169-1610251(Top 39%)7744(Top 51%)7744(Top 545%)
23M23.00 mi1.25 mi8641-967207-387207-3810486(Top 39%)7708(Top 51%)7708(Top 542%)
24M24.00 mi1.00 mi8683-427209-27209-210004(Top 38%)7385(Top 49%)7385(Top 519%)
40K24.85 mi0.85 mi8720-377204+57204+510331(Top 39%)7498(Top 49%)7498(Top 527%)
25.2M25.20 mi0.35 mi8714+67195+97195+99481(Top 36%)7007(Top 46%)7007(Top 493%)
Finish26.22 mi1.02 mi8621+937121+747121+746618(Top 25%)5329(Top 35%)5329(Top 375%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8735

Males

7384

M55-59

7384

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8211

Males

7089

M55-59

7089

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8735

Males

7384

M55-59

7384

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8608

Males

7262

M55-59

7262

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7239

Males

6408

M55-59

6408

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9699

Males

7812

M55-59

7812

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9713

Males

7674

M55-59

7674

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9605

Males

7521

M55-59

7521

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9720

Males

7452

M55-59

7452

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10251

Males

7744

M55-59

7744

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10486

Males

7708

M55-59

7708

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10004

Males

7385

M55-59

7385

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10331

Males

7498

M55-59

7498

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9481

Males

7007

M55-59

7007

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6618

Males

5329

M55-59

5329

Passing Analysis

Category:
Athletes Passed
757
Passed By
2581
Net Change
-1824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6797
5K → 10K38675-637#6797#7434
10K → 15K33401-368#7434#7802
15K → 20K75237-162#7802#7964
20K → Half444+40#7964#7924
Half → 25K43262-219#7924#8143
25K → 30K89297-208#8143#8351
30K → 20M56134-78#8351#8429
20M → 21M51121-70#8429#8499
21M → 35K2773-46#8499#8545
35K → 23M52148-96#8545#8641
23M → 24M5698-42#8641#8683
24M → 40K5087-37#8683#8720
40K → 25.2M2923+6#8720#8714
25.2M → Finish11421+93#8714#8621
TOTALS7572581-1824
📊

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