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BOSTON MARATHON 2023

Michael Cheng

Bib: 5230•M

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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 50%
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
21:57
Rank: #6661
Start → 5K
21:57 | 7:04/mi
10K· 6.21 mi
43:57
Rank: #6939 (-278)
5K → 10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:19
Rank: #7205 (-266)
10K → 15K
22:22 | 7:12/mi
20K· 12.43 mi
1:29:02
Rank: #7305 (-100)
15K → 20K
22:43 | 7:19/mi
Half· 13.11 mi
1:33:57
Rank: #7321 (-16)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:51:38
Rank: #7289 (+32)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:15:35
Rank: #7446 (-157)
25K → 30K
23:57 | 7:43/mi
20M
2:26:33
Rank: #7642 (-196)
30K → 20M
10:58 | 8:04/mi
21M
2:35:31
Rank: #7906 (-264)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:41:53
Rank: #8200 (-294)
21M → 35K
6:22 | 8:31/mi
23M
2:53:07
Rank: #8678 (-478)
35K → 23M
11:14 | 8:58/mi
24M
3:02:11
Rank: #9104 (-426)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:09:33
Rank: #9254 (-150)
24M → 40K
7:22 | 8:37/mi
25.2M
3:12:39
Rank: #9312 (-58)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:20:26
Rank: #9311 (+1)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:57
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5221:577:0421:57
7:04
-
10K
6.21 mi10:46:5243:577:0422:00
7:05
+0:01
15K
9.32 mi11:09:141:06:197:0722:22
7:12
+0:07
20K
12.43 mi11:31:571:29:027:1022:43
7:19
+0:07
Half
13.11 mi11:36:521:33:577:104:55
7:12
-0:07
25K
15.53 mi11:54:331:51:387:1117:41
7:18
+0:06
30K
18.64 mi12:18:302:15:357:1623:57
7:43
+0:25
20M
20.00 mi12:29:282:26:337:2010:58
8:04
+0:21
21M
21.00 mi12:38:262:35:317:248:58
8:58
+0:54
35K
21.75 mi12:44:482:41:537:276:22
8:31
-0:27
23M
23.00 mi12:56:022:53:077:3211:14
8:58
+0:27
24M
24.00 mi13:05:063:02:117:359:04
9:04
+0:06
40K
24.85 mi13:12:283:09:337:387:22
8:37
-0:27
25.2M
25.20 mi13:15:343:12:397:393:06
8:59
+0:22
Finish
26.22 mi13:23:213:20:267:397:47
7:38
-1:21

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

7:04 /mi

Average Pace

7:39 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:38

56% of race

Time at Steady Pace

42:42

21% of race

Time at Slower Pace

46:06

23% of race

Average Pace: 7:39 /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 mi10:24:5221:577:0421:57
7:04
#6661
10K
6.21 mi10:46:5243:577:0422:00
7:05
#6939
15K
9.32 mi11:09:141:06:197:0722:22
7:12
#7205
20K
12.43 mi11:31:571:29:027:1022:43
7:19
#7305
Half
13.11 mi11:36:521:33:577:104:55
7:12
#7321
25K
15.53 mi11:54:331:51:387:1117:41
7:18
#7289
30K
18.64 mi12:18:302:15:357:1623:57
7:43
#7446
20M
20.00 mi12:29:282:26:337:2010:58
8:04
#7642
21M
21.00 mi12:38:262:35:317:248:58
8:58
#7906
35K
21.75 mi12:44:482:41:537:276:22
8:31
#8200
23M
23.00 mi12:56:022:53:077:3211:14
8:58
#8678
24M
24.00 mi13:05:063:02:117:359:04
9:04
#9104
40K
24.85 mi13:12:283:09:337:387:22
8:37
#9254
25.2M
25.20 mi13:15:343:12:397:393:06
8:59
#9312
Finish
26.22 mi13:23:213:20:267:397:47
7:38
#9311
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6661601260127788(Top 29%)6781(Top 45%)6781(Top 128%)
10K6.21 mi3.10 mi6939-2786219-2076219-2077327(Top 28%)6478(Top 43%)6478(Top 123%)
15K9.32 mi3.11 mi7205-2666400-1816400-1817788(Top 29%)6781(Top 45%)6781(Top 128%)
20K12.43 mi3.11 mi7305-1006469-696469-697871(Top 30%)6803(Top 45%)6803(Top 129%)
Half13.11 mi0.68 mi7321-166479-106479-107909(Top 30%)6857(Top 45%)6857(Top 130%)
25K15.53 mi2.42 mi7289+326446+336446+337253(Top 27%)6325(Top 42%)6325(Top 120%)
30K18.64 mi3.11 mi7446-1576528-826528-828706(Top 33%)7103(Top 47%)7103(Top 134%)
20M20.00 mi1.36 mi7642-1966630-1026630-10210770(Top 40%)8130(Top 54%)8130(Top 154%)
21M21.00 mi1.00 mi7906-2646789-1596789-15913177(Top 49%)9111(Top 60%)9111(Top 172%)
35K21.75 mi0.75 mi8200-2946952-1636952-16315333(Top 58%)9986(Top 66%)9986(Top 189%)
23M23.00 mi1.25 mi8678-4787229-2777229-27715878(Top 60%)10183(Top 67%)10183(Top 193%)
24M24.00 mi1.00 mi9104-4267457-2287457-22817496(Top 66%)10835(Top 71%)10835(Top 205%)
40K24.85 mi0.85 mi9254-1507519-627519-6214009(Top 53%)9231(Top 61%)9231(Top 175%)
25.2M25.20 mi0.35 mi9312-587540-217540-2112350(Top 46%)8413(Top 55%)8413(Top 159%)
Finish26.22 mi1.02 mi9311+17515+257515+259524(Top 36%)7030(Top 46%)7030(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7788

Males

6781

M18-39

6781

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7327

Males

6478

M18-39

6478

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7788

Males

6781

M18-39

6781

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7871

Males

6803

M18-39

6803

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7909

Males

6857

M18-39

6857

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7253

Males

6325

M18-39

6325

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8706

Males

7103

M18-39

7103

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10770

Males

8130

M18-39

8130

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13177

Males

9111

M18-39

9111

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15333

Males

9986

M18-39

9986

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15878

Males

10183

M18-39

10183

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17496

Males

10835

M18-39

10835

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14009

Males

9231

M18-39

9231

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12350

Males

8413

M18-39

8413

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9524

Males

7030

M18-39

7030

Passing Analysis

Category:
Athletes Passed
575
Passed By
3225
Net Change
-2650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6661
5K → 10K89367-278#6661#6939
10K → 15K52318-266#6939#7205
15K → 20K86186-100#7205#7305
20K → Half1329-16#7305#7321
Half → 25K8654+32#7321#7289
25K → 30K83240-157#7289#7446
30K → 20M27223-196#7446#7642
20M → 21M12276-264#7642#7906
21M → 35K8302-294#7906#8200
35K → 23M14492-478#8200#8678
23M → 24M12438-426#8678#9104
24M → 40K27177-150#9104#9254
40K → 25.2M1371-58#9254#9312
25.2M → Finish5352+1#9312#9311
TOTALS5753225-2650
📊

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