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BOSTON MARATHON 2023

George Yi

Bib: 21750•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:05
Rank: #16831
Start → 5K
26:05 | 8:24/mi
10K· 6.21 mi
51:21
Rank: #16259 (+572)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:16:08
Rank: #15598 (+661)
10K → 15K
24:47 | 7:59/mi
20K· 12.43 mi
1:41:03
Rank: #15102 (+496)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:46:31
Rank: #15048 (+54)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:05:49
Rank: #14643 (+405)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:31:47
Rank: #14399 (+244)
25K → 30K
25:58 | 8:21/mi
20M
2:43:06
Rank: #14246 (+153)
30K → 20M
11:19 | 8:20/mi
21M
2:52:05
Rank: #14173 (+73)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:58:19
Rank: #14161 (+12)
21M → 35K
6:14 | 8:20/mi
23M
3:08:30
Rank: #13927 (+234)
35K → 23M
10:11 | 8:08/mi
24M
3:16:35
Rank: #13810 (+117)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:23:47
Rank: #13762 (+48)
24M → 40K
7:12 | 8:25/mi
25.2M
3:27:01
Rank: #13771 (-9)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:35:37
Rank: #13804 (-33)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:31
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:49:06
Pace8:19 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1626:058:2426:05
8:24
-
10K
6.21 mi11:46:3251:218:1625:16
8:08
-0:16
15K
9.32 mi12:11:191:16:088:1024:47
7:59
-0:09
20K
12.43 mi12:36:141:41:038:0824:55
8:01
+0:02
Half
13.11 mi12:41:421:46:318:085:28
8:01
0:00
25K
15.53 mi13:01:002:05:498:0619:18
7:58
-0:03
30K
18.64 mi13:26:582:31:478:0925:58
8:21
+0:23
20M
20.00 mi13:38:172:43:068:0911:19
8:20
-0:01
21M
21.00 mi13:47:162:52:058:128:59
8:59
+0:39
35K
21.75 mi13:53:302:58:198:126:14
8:20
-0:39
23M
23.00 mi14:03:413:08:308:1210:11
8:08
-0:12
24M
24.00 mi14:11:463:16:358:118:05
8:05
-0:03
40K
24.85 mi14:18:583:23:478:127:12
8:25
+0:20
25.2M
25.20 mi14:22:123:27:018:133:14
9:23
+0:58
Finish
26.22 mi14:30:483:35:378:148:36
8:26
-0:57

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

7:58 /mi

Average Pace

8:14 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:24

94% of race

Time at Steady Pace

12:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:21:1626:058:2426:05
8:24
#16831
10K
6.21 mi11:46:3251:218:1625:16
8:08
#16259
15K
9.32 mi12:11:191:16:088:1024:47
7:59
#15598
20K
12.43 mi12:36:141:41:038:0824:55
8:01
#15102
Half
13.11 mi12:41:421:46:318:085:28
8:01
#15048
25K
15.53 mi13:01:002:05:498:0619:18
7:58
#14643
30K
18.64 mi13:26:582:31:478:0925:58
8:21
#14399
20M
20.00 mi13:38:172:43:068:0911:19
8:20
#14246
21M
21.00 mi13:47:162:52:058:128:59
8:59
#14173
35K
21.75 mi13:53:302:58:198:126:14
8:20
#14161
23M
23.00 mi14:03:413:08:308:1210:11
8:08
#13927
24M
24.00 mi14:11:463:16:358:118:05
8:05
#13810
40K
24.85 mi14:18:583:23:478:127:12
8:25
#13762
25.2M
25.20 mi14:22:123:27:018:133:14
9:23
#13771
Finish
26.22 mi14:30:483:35:378:148:36
8:26
#13804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16831109941099414182(Top 53%)9972(Top 66%)9972(Top 898%)
10K6.21 mi3.10 mi16259+57210806+18810806+18815750(Top 59%)10618(Top 70%)10618(Top 957%)
15K9.32 mi3.11 mi15598+66110541+26510541+26514182(Top 53%)9972(Top 66%)9972(Top 898%)
20K12.43 mi3.11 mi15102+49610332+20910332+20913593(Top 51%)9706(Top 64%)9706(Top 874%)
Half13.11 mi0.68 mi15048+5410310+2210310+2214423(Top 54%)10062(Top 66%)10062(Top 906%)
25K15.53 mi2.42 mi14643+40510131+17910131+17912396(Top 47%)9081(Top 60%)9081(Top 818%)
30K18.64 mi3.11 mi14399+2449984+1479984+14713396(Top 50%)9408(Top 62%)9408(Top 848%)
20M20.00 mi1.36 mi14246+1539905+799905+7912529(Top 47%)8922(Top 59%)8922(Top 804%)
21M21.00 mi1.00 mi14173+739859+469859+4613290(Top 50%)9171(Top 60%)9171(Top 826%)
35K21.75 mi0.75 mi14161+129838+219838+2114255(Top 54%)9533(Top 63%)9533(Top 859%)
23M23.00 mi1.25 mi13927+2349727+1119727+11110704(Top 40%)7828(Top 52%)7828(Top 705%)
24M24.00 mi1.00 mi13810+1179651+769651+7611812(Top 44%)8312(Top 55%)8312(Top 749%)
40K24.85 mi0.85 mi13762+489625+269625+2612824(Top 48%)8699(Top 57%)8699(Top 784%)
25.2M25.20 mi0.35 mi13771-99616+99616+914506(Top 54%)9462(Top 62%)9462(Top 852%)
Finish26.22 mi1.02 mi13804-339613+39613+314976(Top 56%)9718(Top 64%)9718(Top 875%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14182

Males

9972

M60-64

9972

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15750

Males

10618

M60-64

10618

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14182

Males

9972

M60-64

9972

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13593

Males

9706

M60-64

9706

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14423

Males

10062

M60-64

10062

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12396

Males

9081

M60-64

9081

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13396

Males

9408

M60-64

9408

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12529

Males

8922

M60-64

8922

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13290

Males

9171

M60-64

9171

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14255

Males

9533

M60-64

9533

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10704

Males

7828

M60-64

7828

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11812

Males

8312

M60-64

8312

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12824

Males

8699

M60-64

8699

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14506

Males

9462

M60-64

9462

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14976

Males

9718

M60-64

9718

Passing Analysis

Category:
Athletes Passed
3554
Passed By
527
Net Change
+3027
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16831
5K → 10K684112+572#16831#16259
10K → 15K68726+661#16259#15598
15K → 20K51923+496#15598#15102
20K → Half6410+54#15102#15048
Half → 25K4094+405#15048#14643
25K → 30K30460+244#14643#14399
30K → 20M16613+153#14399#14246
20M → 21M12350+73#14246#14173
21M → 35K5442+12#14173#14161
35K → 23M24511+234#14161#13927
23M → 24M13417+117#13927#13810
24M → 40K8335+48#13810#13762
40K → 25.2M2635-9#13762#13771
25.2M → Finish5689-33#13771#13804
TOTALS3554527+3027
📊

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