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BOSTON MARATHON 2023

Yong Chuang Chen

Bib: 2459•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M50-54)
#0 / 2052
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4079
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:55
Rank: #4445 (-366)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:05:11
Rank: #6472 (-2027)
10K → 15K
23:16 | 7:29/mi
20K· 12.43 mi
1:28:41
Rank: #7136 (-664)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:33:41
Rank: #7211 (-75)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:51:32
Rank: #7250 (-39)
Half → 25K
17:51 | 7:22/mi
30K· 18.64 mi
2:14:46
Rank: #7155 (+95)
25K → 30K
23:14 | 7:29/mi
20M
2:24:52
Rank: #7069 (+86)
30K → 20M
10:06 | 7:26/mi
21M
2:33:03
Rank: #7104 (-35)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:38:29
Rank: #7085 (+19)
21M → 35K
5:26 | 7:16/mi
23M
2:48:12
Rank: #7088 (-3)
35K → 23M
9:43 | 7:46/mi
24M
2:55:45
Rank: #7109 (-21)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
3:02:21
Rank: #7112 (-3)
24M → 40K
6:36 | 7:43/mi
25.2M
3:05:13
Rank: #7108 (+4)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:12:56
Rank: #7129 (-21)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:41
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:39:15
Pace7:34 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4920:576:4520:57
6:45
-
10K
6.21 mi10:42:4741:556:4520:58
6:45
0:00
15K
9.32 mi11:06:031:05:117:0023:16
7:29
+0:44
20K
12.43 mi11:29:331:28:417:0823:30
7:34
+0:05
Half
13.11 mi11:34:331:33:417:095:00
7:20
-0:14
25K
15.53 mi11:52:241:51:327:1117:51
7:22
+0:02
30K
18.64 mi12:15:382:14:467:1423:14
7:29
+0:07
20M
20.00 mi12:25:442:24:527:1510:06
7:26
-0:03
21M
21.00 mi12:33:552:33:037:178:11
8:11
+0:45
35K
21.75 mi12:39:212:38:297:175:26
7:16
-0:55
23M
23.00 mi12:49:042:48:127:199:43
7:46
+0:30
24M
24.00 mi12:56:372:55:457:197:33
7:33
-0:13
40K
24.85 mi13:03:133:02:217:206:36
7:43
+0:10
25.2M
25.20 mi13:06:053:05:137:212:52
8:19
+0:36
Finish
26.22 mi13:13:483:12:567:227:43
7:34
-0:45

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

6:45 /mi

Average Pace

7:22 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:21

25% of race

Time at Steady Pace

1:58:13

61% of race

Time at Slower Pace

27:22

14% of race

Average Pace: 7:21 /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 mi10:21:4920:576:4520:57
6:45
#4079
10K
6.21 mi10:42:4741:556:4520:58
6:45
#4445
15K
9.32 mi11:06:031:05:117:0023:16
7:29
#6472
20K
12.43 mi11:29:331:28:417:0823:30
7:34
#7136
Half
13.11 mi11:34:331:33:417:095:00
7:20
#7211
25K
15.53 mi11:52:241:51:327:1117:51
7:22
#7250
30K
18.64 mi12:15:382:14:467:1423:14
7:29
#7155
20M
20.00 mi12:25:442:24:527:1510:06
7:26
#7069
21M
21.00 mi12:33:552:33:037:178:11
8:11
#7104
35K
21.75 mi12:39:212:38:297:175:26
7:16
#7085
23M
23.00 mi12:49:042:48:127:199:43
7:46
#7088
24M
24.00 mi12:56:372:55:457:197:33
7:33
#7109
40K
24.85 mi13:03:133:02:217:206:36
7:43
#7112
25.2M
25.20 mi13:06:053:05:137:212:52
8:19
#7108
Finish
26.22 mi13:13:483:12:567:227:43
7:34
#7129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi40793826382610064(Top 38%)8173(Top 54%)8173(Top 398%)
10K6.21 mi3.10 mi4445-3664159-3334159-3334821(Top 18%)4478(Top 30%)4478(Top 218%)
15K9.32 mi3.11 mi6472-20275844-16855844-168510064(Top 38%)8173(Top 54%)8173(Top 398%)
20K12.43 mi3.11 mi7136-6646347-5036347-5039787(Top 37%)7948(Top 52%)7948(Top 387%)
Half13.11 mi0.68 mi7211-756402-556402-558746(Top 33%)7337(Top 48%)7337(Top 358%)
25K15.53 mi2.42 mi7250-396419-176419-177688(Top 29%)6599(Top 43%)6599(Top 322%)
30K18.64 mi3.11 mi7155+956331+886331+887067(Top 27%)6114(Top 40%)6114(Top 298%)
20M20.00 mi1.36 mi7069+866257+746257+746361(Top 24%)5555(Top 37%)5555(Top 271%)
21M21.00 mi1.00 mi7104-356267-106267-108491(Top 32%)6758(Top 45%)6758(Top 329%)
35K21.75 mi0.75 mi7085+196244+236244+236883(Top 26%)5817(Top 38%)5817(Top 283%)
23M23.00 mi1.25 mi7088-36212+326212+328116(Top 30%)6464(Top 43%)6464(Top 315%)
24M24.00 mi1.00 mi7109-216210+26210+28012(Top 30%)6320(Top 42%)6320(Top 308%)
40K24.85 mi0.85 mi7112-36194+166194+168065(Top 30%)6284(Top 41%)6284(Top 306%)
25.2M25.20 mi0.35 mi7108+46184+106184+108307(Top 31%)6339(Top 42%)6339(Top 309%)
Finish26.22 mi1.02 mi7129-216170+146170+149051(Top 34%)6768(Top 45%)6768(Top 330%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10064

Males

8173

M50-54

8173

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4821

Males

4478

M50-54

4478

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10064

Males

8173

M50-54

8173

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9787

Males

7948

M50-54

7948

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8746

Males

7337

M50-54

7337

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7688

Males

6599

M50-54

6599

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7067

Males

6114

M50-54

6114

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6361

Males

5555

M50-54

5555

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8491

Males

6758

M50-54

6758

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6883

Males

5817

M50-54

5817

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8116

Males

6464

M50-54

6464

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8012

Males

6320

M50-54

6320

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8065

Males

6284

M50-54

6284

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8307

Males

6339

M50-54

6339

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9051

Males

6768

M50-54

6768

Passing Analysis

Category:
Athletes Passed
837
Passed By
3887
Net Change
-3050
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4079
5K → 10K101467-366#4079#4445
10K → 15K12028-2027#4445#6472
15K → 20K14678-664#6472#7136
20K → Half176-75#7136#7211
Half → 25K71110-39#7211#7250
25K → 30K17075+95#7250#7155
30K → 20M10923+86#7155#7069
20M → 21M5287-35#7069#7104
21M → 35K4526+19#7104#7085
35K → 23M9295-3#7085#7088
23M → 24M4162-21#7088#7109
24M → 40K5154-3#7109#7112
40K → 25.2M2420+4#7112#7108
25.2M → Finish6586-21#7108#7129
TOTALS8373887-3050
📊

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