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BOSTON MARATHON 2023

Bruce Yang

Bib: 2987•M

CA

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
28:38
Rank: #21252
Start → 5K
28:38 | 9:13/mi
10K· 6.21 mi
54:51
Rank: #19814 (+1438)
5K → 10K
26:13 | 8:26/mi
15K· 9.32 mi
1:21:03
Rank: #19018 (+796)
10K → 15K
26:12 | 8:26/mi
20K· 12.43 mi
1:47:15
Rank: #18383 (+635)
15K → 20K
26:12 | 8:26/mi
Half· 13.11 mi
1:52:52
Rank: #18266 (+117)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:13:35
Rank: #17937 (+329)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:39:10
Rank: #16989 (+948)
25K → 30K
25:35 | 8:14/mi
20M
2:50:30
Rank: #16695 (+294)
30K → 20M
11:20 | 8:20/mi
21M
3:00:02
Rank: #16646 (+49)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
3:06:10
Rank: #16514 (+132)
21M → 35K
6:08 | 8:12/mi
23M
3:16:46
Rank: #16308 (+206)
35K → 23M
10:36 | 8:28/mi
24M
3:24:54
Rank: #16110 (+198)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:31:30
Rank: #15830 (+280)
24M → 40K
6:36 | 7:43/mi
25.2M
3:34:21
Rank: #15708 (+122)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:42:27
Rank: #15551 (+157)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:52
Pace8:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:35
Pace8:22 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5428:389:1328:38
9:13
-
10K
6.21 mi11:52:0754:518:5026:13
8:26
-0:47
15K
9.32 mi12:18:191:21:038:4226:12
8:26
0:00
20K
12.43 mi12:44:311:47:158:3826:12
8:26
0:00
Half
13.11 mi12:50:081:52:528:375:37
8:14
-0:12
25K
15.53 mi13:10:512:13:358:3620:43
8:33
+0:19
30K
18.64 mi13:36:262:39:108:3225:35
8:14
-0:19
20M
20.00 mi13:47:462:50:308:3111:20
8:20
+0:06
21M
21.00 mi13:57:183:00:028:349:32
9:32
+1:12
35K
21.75 mi14:03:263:06:108:346:08
8:12
-1:20
23M
23.00 mi14:14:023:16:468:3310:36
8:28
+0:16
24M
24.00 mi14:22:103:24:548:328:08
8:08
-0:20
40K
24.85 mi14:28:463:31:308:316:36
7:43
-0:25
25.2M
25.20 mi14:31:373:34:218:302:51
8:16
+0:33
Finish
26.22 mi14:39:433:42:278:298:06
7:57
-0:19

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

7:43 /mi

Average Pace

8:29 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:42

7% of race

Time at Steady Pace

2:49:35

76% of race

Time at Slower Pace

38:10

17% of race

Average Pace: 8:29 /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 mi11:25:5428:389:1328:38
9:13
#21252
10K
6.21 mi11:52:0754:518:5026:13
8:26
#19814
15K
9.32 mi12:18:191:21:038:4226:12
8:26
#19018
20K
12.43 mi12:44:311:47:158:3826:12
8:26
#18383
Half
13.11 mi12:50:081:52:528:375:37
8:14
#18266
25K
15.53 mi13:10:512:13:358:3620:43
8:33
#17937
30K
18.64 mi13:36:262:39:108:3225:35
8:14
#16989
20M
20.00 mi13:47:462:50:308:3111:20
8:20
#16695
21M
21.00 mi13:57:183:00:028:349:32
9:32
#16646
35K
21.75 mi14:03:263:06:108:346:08
8:12
#16514
23M
23.00 mi14:14:023:16:468:3310:36
8:28
#16308
24M
24.00 mi14:22:103:24:548:328:08
8:08
#16110
40K
24.85 mi14:28:463:31:308:316:36
7:43
#15830
25.2M
25.20 mi14:31:373:34:218:302:51
8:16
#15708
Finish
26.22 mi14:39:433:42:278:298:06
7:57
#15551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21252127271272717341(Top 65%)11190(Top 74%)11190(Top 212%)
10K6.21 mi3.10 mi19814+143812131+59612131+59617836(Top 67%)11420(Top 75%)11420(Top 216%)
15K9.32 mi3.11 mi19018+79611854+27711854+27717341(Top 65%)11190(Top 74%)11190(Top 212%)
20K12.43 mi3.11 mi18383+63511620+23411620+23416433(Top 62%)10803(Top 71%)10803(Top 204%)
Half13.11 mi0.68 mi18266+11711573+4711573+4715974(Top 60%)10674(Top 70%)10674(Top 202%)
25K15.53 mi2.42 mi17937+32911413+16011413+16016447(Top 62%)10730(Top 71%)10730(Top 203%)
30K18.64 mi3.11 mi16989+94811012+40111012+40112568(Top 47%)9054(Top 60%)9054(Top 171%)
20M20.00 mi1.36 mi16695+29410867+14510867+14512621(Top 47%)8963(Top 59%)8963(Top 170%)
21M21.00 mi1.00 mi16646+4910839+2810839+2816094(Top 60%)10391(Top 68%)10391(Top 197%)
35K21.75 mi0.75 mi16514+13210767+7210767+7213401(Top 50%)9176(Top 60%)9176(Top 174%)
23M23.00 mi1.25 mi16308+20610669+9810669+9812987(Top 49%)8914(Top 59%)8914(Top 169%)
24M24.00 mi1.00 mi16110+19810565+10410565+10412144(Top 46%)8470(Top 56%)8470(Top 160%)
40K24.85 mi0.85 mi15830+28010429+13610429+1368111(Top 30%)6330(Top 42%)6330(Top 120%)
25.2M25.20 mi0.35 mi15708+12210379+5010379+508099(Top 30%)6259(Top 41%)6259(Top 118%)
Finish26.22 mi1.02 mi15551+15710294+8510294+8511727(Top 44%)8160(Top 54%)8160(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17341

Males

11190

M18-39

11190

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17836

Males

11420

M18-39

11420

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17341

Males

11190

M18-39

11190

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16433

Males

10803

M18-39

10803

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15974

Males

10674

M18-39

10674

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16447

Males

10730

M18-39

10730

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12568

Males

9054

M18-39

9054

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12621

Males

8963

M18-39

8963

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16094

Males

10391

M18-39

10391

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13401

Males

9176

M18-39

9176

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12987

Males

8914

M18-39

8914

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12144

Males

8470

M18-39

8470

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8111

Males

6330

M18-39

6330

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8099

Males

6259

M18-39

6259

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11727

Males

8160

M18-39

8160

Passing Analysis

Category:
Athletes Passed
5838
Passed By
137
Net Change
+5701
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21252
5K → 10K145820+1438#21252#19814
10K → 15K81115+796#19814#19018
15K → 20K6416+635#19018#18383
20K → Half1203+117#18383#18266
Half → 25K34213+329#18266#17937
25K → 30K9480+948#17937#16989
30K → 20M2940+294#16989#16695
20M → 21M10960+49#16695#16646
21M → 35K1375+132#16646#16514
35K → 23M2115+206#16514#16308
23M → 24M2046+198#16308#16110
24M → 40K2800+280#16110#15830
40K → 25.2M1220+122#15830#15708
25.2M → Finish1614+157#15708#15551
TOTALS5838137+5701
📊

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