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BOSTON MARATHON 2023

Yu Hung Chih

Bib: 8240•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M45-49)
#0 / 2252
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #1910
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
40:42
Rank: #2805 (-895)
5K → 10K
20:45 | 6:41/mi
15K· 9.32 mi
1:01:46
Rank: #3403 (-598)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:23:11
Rank: #3811 (-408)
15K → 20K
21:25 | 6:54/mi
Half· 13.11 mi
1:27:48
Rank: #3876 (-65)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:00
Rank: #4317 (-441)
Half → 25K
17:12 | 7:06/mi
30K· 18.64 mi
2:08:09
Rank: #4968 (-651)
25K → 30K
23:09 | 7:27/mi
20M
2:19:08
Rank: #5397 (-429)
30K → 20M
10:59 | 8:05/mi
21M
2:27:12
Rank: #5478 (-81)
20M → 21M
8:04 | 8:05/mi
35K· 21.75 mi
2:32:51
Rank: #5559 (-81)
21M → 35K
5:39 | 7:33/mi
23M
2:42:58
Rank: #5729 (-170)
35K → 23M
10:07 | 8:05/mi
24M
2:50:45
Rank: #5814 (-85)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
2:57:36
Rank: #5902 (-88)
24M → 40K
6:51 | 8:01/mi
25.2M
3:00:44
Rank: #5981 (-79)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:09:12
Rank: #6233 (-252)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:48
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0119:576:2519:57
6:25
-
10K
6.21 mi11:05:4640:426:3320:45
6:41
+0:16
15K
9.32 mi11:26:501:01:466:3821:04
6:47
+0:06
20K
12.43 mi11:48:151:23:116:4221:25
6:54
+0:07
Half
13.11 mi11:52:521:27:486:424:37
6:46
-0:08
25K
15.53 mi12:10:041:45:006:4617:12
7:06
+0:20
30K
18.64 mi12:33:132:08:096:5223:09
7:27
+0:21
20M
20.00 mi12:44:122:19:086:5710:59
8:05
+0:38
21M
21.00 mi12:52:162:27:127:018:04
8:05
0:00
35K
21.75 mi12:57:552:32:517:025:39
7:33
-0:32
23M
23.00 mi13:08:022:42:587:0510:07
8:05
+0:32
24M
24.00 mi13:15:492:50:457:077:47
7:47
-0:18
40K
24.85 mi13:22:402:57:367:096:51
8:01
+0:14
25.2M
25.20 mi13:25:483:00:447:103:08
9:05
+1:04
Finish
26.22 mi13:34:163:09:127:138:28
8:19
-0:46

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

6:25 /mi

Average Pace

7:13 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:00

55% of race

Time at Steady Pace

36:35

19% of race

Time at Slower Pace

47:37

25% of race

Average Pace: 7:13 /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 mi10:45:0119:576:2519:57
6:25
#1910
10K
6.21 mi11:05:4640:426:3320:45
6:41
#2805
15K
9.32 mi11:26:501:01:466:3821:04
6:47
#3403
20K
12.43 mi11:48:151:23:116:4221:25
6:54
#3811
Half
13.11 mi11:52:521:27:486:424:37
6:46
#3876
25K
15.53 mi12:10:041:45:006:4617:12
7:06
#4317
30K
18.64 mi12:33:132:08:096:5223:09
7:27
#4968
20M
20.00 mi12:44:122:19:086:5710:59
8:05
#5397
21M
21.00 mi12:52:162:27:127:018:04
8:05
#5478
35K
21.75 mi12:57:552:32:517:025:39
7:33
#5559
23M
23.00 mi13:08:022:42:587:0510:07
8:05
#5729
24M
24.00 mi13:15:492:50:457:077:47
7:47
#5814
40K
24.85 mi13:22:402:57:367:096:51
8:01
#5902
25.2M
25.20 mi13:25:483:00:447:103:08
9:05
#5981
Finish
26.22 mi13:34:163:09:127:138:28
8:19
#6233
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1910182118214946(Top 19%)4597(Top 30%)4597(Top 204%)
10K6.21 mi3.10 mi2805-8952675-8542675-8544163(Top 16%)3907(Top 26%)3907(Top 173%)
15K9.32 mi3.11 mi3403-5983224-5493224-5494946(Top 19%)4597(Top 30%)4597(Top 204%)
20K12.43 mi3.11 mi3811-4083600-3763600-3765305(Top 20%)4898(Top 32%)4898(Top 217%)
Half13.11 mi0.68 mi3876-653656-563656-565037(Top 19%)4669(Top 31%)4669(Top 207%)
25K15.53 mi2.42 mi4317-4414046-3904046-3906076(Top 23%)5502(Top 36%)5502(Top 244%)
30K18.64 mi3.11 mi4968-6514620-5744620-5746881(Top 26%)5983(Top 39%)5983(Top 266%)
20M20.00 mi1.36 mi5397-4294975-3554975-35510844(Top 41%)8160(Top 54%)8160(Top 362%)
21M21.00 mi1.00 mi5478-815031-565031-567848(Top 29%)6380(Top 42%)6380(Top 283%)
35K21.75 mi0.75 mi5559-815100-695100-698848(Top 33%)6972(Top 46%)6972(Top 310%)
23M23.00 mi1.25 mi5729-1705212-1125212-11210286(Top 39%)7624(Top 50%)7624(Top 339%)
24M24.00 mi1.00 mi5814-855267-555267-559610(Top 36%)7189(Top 47%)7189(Top 319%)
40K24.85 mi0.85 mi5902-885322-555322-5510079(Top 38%)7360(Top 48%)7360(Top 327%)
25.2M25.20 mi0.35 mi5981-795378-565378-5612894(Top 48%)8674(Top 57%)8674(Top 385%)
Finish26.22 mi1.02 mi6233-2525561-1835561-18314119(Top 53%)9285(Top 61%)9285(Top 412%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4946

Males

4597

M45-49

4597

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4163

Males

3907

M45-49

3907

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4946

Males

4597

M45-49

4597

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5305

Males

4898

M45-49

4898

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5037

Males

4669

M45-49

4669

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6076

Males

5502

M45-49

5502

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6881

Males

5983

M45-49

5983

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10844

Males

8160

M45-49

8160

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7848

Males

6380

M45-49

6380

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8848

Males

6972

M45-49

6972

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10286

Males

7624

M45-49

7624

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9610

Males

7189

M45-49

7189

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10079

Males

7360

M45-49

7360

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12894

Males

8674

M45-49

8674

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14119

Males

9285

M45-49

9285

Passing Analysis

Category:
Athletes Passed
233
Passed By
4556
Net Change
-4323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1910
5K → 10K4899-895#1910#2805
10K → 15K6604-598#2805#3403
15K → 20K21429-408#3403#3811
20K → Half570-65#3811#3876
Half → 25K16457-441#3876#4317
25K → 30K27678-651#4317#4968
30K → 20M8437-429#4968#5397
20M → 21M33114-81#5397#5478
21M → 35K1697-81#5478#5559
35K → 23M32202-170#5559#5729
23M → 24M26111-85#5729#5814
24M → 40K28116-88#5814#5902
40K → 25.2M483-79#5902#5981
25.2M → Finish7259-252#5981#6233
TOTALS2334556-4323
📊

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