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BOSTON MARATHON 2023

Daniel Yinh

Bib: 9608•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M40-44)
#0 / 2241
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5050
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
41:51
Rank: #4330 (+720)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:02:35
Rank: #4161 (+169)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:23:17
Rank: #3884 (+277)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:27:44
Rank: #3815 (+69)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:13
Rank: #3864 (-49)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:06:21
Rank: #4102 (-238)
25K → 30K
22:08 | 7:07/mi
20M
2:17:02
Rank: #4597 (-495)
30K → 20M
10:41 | 7:52/mi
21M
2:26:35
Rank: #5281 (-684)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
2:31:39
Rank: #5210 (+71)
21M → 35K
5:04 | 6:46/mi
23M
2:40:45
Rank: #5161 (+49)
35K → 23M
9:06 | 7:16/mi
24M
2:47:46
Rank: #5091 (+70)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:53:37
Rank: #4984 (+107)
24M → 40K
5:51 | 6:51/mi
25.2M
2:56:07
Rank: #4934 (+50)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:02:56
Rank: #4821 (+113)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:35:12
Pace7:16 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0321:156:5021:15
6:50
-
10K
6.21 mi11:07:3941:516:4420:36
6:38
-0:12
15K
9.32 mi11:28:231:02:356:4320:44
6:40
+0:02
20K
12.43 mi11:49:051:23:176:4220:42
6:40
0:00
Half
13.11 mi11:53:321:27:446:424:27
6:31
-0:09
25K
15.53 mi12:10:011:44:136:4316:29
6:48
+0:17
30K
18.64 mi12:32:092:06:216:4722:08
7:07
+0:19
20M
20.00 mi12:42:502:17:026:5110:41
7:52
+0:45
21M
21.00 mi12:52:232:26:356:599:33
9:33
+1:41
35K
21.75 mi12:57:272:31:396:585:04
6:46
-2:47
23M
23.00 mi13:06:332:40:456:599:06
7:16
+0:30
24M
24.00 mi13:13:342:47:466:597:01
7:01
-0:15
40K
24.85 mi13:19:252:53:376:595:51
6:51
-0:10
25.2M
25.20 mi13:21:552:56:076:592:30
7:15
+0:24
Finish
26.22 mi13:28:443:02:566:596:49
6:41
-0:34

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

6:31 /mi

Average Pace

6:59 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:31:06

83% of race

Time at Slower Pace

31:50

17% of race

Average Pace: 6:59 /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 mi10:47:0321:156:5021:15
6:50
#5050
10K
6.21 mi11:07:3941:516:4420:36
6:38
#4330
15K
9.32 mi11:28:231:02:356:4320:44
6:40
#4161
20K
12.43 mi11:49:051:23:176:4220:42
6:40
#3884
Half
13.11 mi11:53:321:27:446:424:27
6:31
#3815
25K
15.53 mi12:10:011:44:136:4316:29
6:48
#3864
30K
18.64 mi12:32:092:06:216:4722:08
7:07
#4102
20M
20.00 mi12:42:502:17:026:5110:41
7:52
#4597
21M
21.00 mi12:52:232:26:356:599:33
9:33
#5281
35K
21.75 mi12:57:272:31:396:585:04
6:46
#5210
23M
23.00 mi13:06:332:40:456:599:06
7:16
#5161
24M
24.00 mi13:13:342:47:466:597:01
7:01
#5091
40K
24.85 mi13:19:252:53:376:595:51
6:51
#4984
25.2M
25.20 mi13:21:552:56:076:592:30
7:15
#4934
Finish
26.22 mi13:28:443:02:566:596:49
6:41
#4821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5050468546853880(Top 15%)3648(Top 24%)3648(Top 163%)
10K6.21 mi3.10 mi4330+7204059+6264059+6263726(Top 14%)3521(Top 23%)3521(Top 157%)
15K9.32 mi3.11 mi4161+1693907+1523907+1523880(Top 15%)3648(Top 24%)3648(Top 163%)
20K12.43 mi3.11 mi3884+2773661+2463661+2463293(Top 12%)3127(Top 21%)3127(Top 140%)
Half13.11 mi0.68 mi3815+693604+573604+572978(Top 11%)2853(Top 19%)2853(Top 127%)
25K15.53 mi2.42 mi3864-493646-423646-424145(Top 16%)3885(Top 26%)3885(Top 173%)
30K18.64 mi3.11 mi4102-2383855-2093855-2095060(Top 19%)4649(Top 31%)4649(Top 207%)
20M20.00 mi1.36 mi4597-4954286-4314286-4319273(Top 35%)7333(Top 48%)7333(Top 327%)
21M21.00 mi1.00 mi5281-6844866-5804866-58016166(Top 61%)10415(Top 69%)10415(Top 465%)
35K21.75 mi0.75 mi5210+714798+684798+684034(Top 15%)3709(Top 24%)3709(Top 166%)
23M23.00 mi1.25 mi5161+494743+554743+555127(Top 19%)4554(Top 30%)4554(Top 203%)
24M24.00 mi1.00 mi5091+704680+634680+634748(Top 18%)4239(Top 28%)4239(Top 189%)
40K24.85 mi0.85 mi4984+1074591+894591+893050(Top 11%)2808(Top 19%)2808(Top 125%)
25.2M25.20 mi0.35 mi4934+504543+484543+482777(Top 10%)2563(Top 17%)2563(Top 114%)
Finish26.22 mi1.02 mi4821+1134446+974446+973462(Top 13%)3104(Top 20%)3104(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3880

Males

3648

M40-44

3648

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3726

Males

3521

M40-44

3521

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3880

Males

3648

M40-44

3648

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3293

Males

3127

M40-44

3127

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2978

Males

2853

M40-44

2853

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4145

Males

3885

M40-44

3885

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5060

Males

4649

M40-44

4649

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9273

Males

7333

M40-44

7333

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16166

Males

10415

M40-44

10415

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4034

Males

3709

M40-44

3709

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5127

Males

4554

M40-44

4554

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4748

Males

4239

M40-44

4239

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3050

Males

2808

M40-44

2808

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2777

Males

2563

M40-44

2563

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3462

Males

3104

M40-44

3104

Passing Analysis

Category:
Athletes Passed
1997
Passed By
1768
Net Change
+229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5050
5K → 10K74222+720#5050#4330
10K → 15K22354+169#4330#4161
15K → 20K29215+277#4161#3884
20K → Half723+69#3884#3815
Half → 25K66115-49#3815#3864
25K → 30K55293-238#3864#4102
30K → 20M7502-495#4102#4597
20M → 21M1685-684#4597#5281
21M → 35K8110+71#5281#5210
35K → 23M8738+49#5210#5161
23M → 24M9020+70#5161#5091
24M → 40K1125+107#5091#4984
40K → 25.2M522+50#4984#4934
25.2M → Finish1174+113#4934#4821
TOTALS19971768+229
📊

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