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BOSTON MARATHON 2023

Ju Huan Yeh

Bib: 27710•M

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:06/mi
31:23
↑ 97↓ 3451.5%
10K· 6.21 mi
9:21/mi
1:00:27
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:28:31
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:56:41
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
2:02:52
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:25:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:53:45
↑ 181↓ 1480.2%
20M
9:20/mi
3:06:26
↑ 64↓ 500.2%
21M
9:52/mi
3:16:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:22:42
↑ 17↓ 861.7%
23M
8:38/mi
3:33:31
↑ 23↓ 630.6%
24M
8:25/mi
3:41:56
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:49:15
↓ 200.3%
25.2M
10:50/mi
3:52:59
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
4:02:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:02:52
Pace9:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:59:29
Pace9:07 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3231:2310:0631:23
10:06
-
10K
6.21 mi12:21:361:00:279:4429:04
9:21
-0:45
15K
9.32 mi12:49:401:28:319:3028:04
9:02
-0:19
20K
12.43 mi13:17:501:56:419:2328:10
9:04
+0:02
Half
13.11 mi13:24:012:02:529:226:11
9:04
0:00
25K
15.53 mi13:46:192:25:109:2122:18
9:12
+0:08
30K
18.64 mi14:14:542:53:459:1928:35
9:12
0:00
20M
20.00 mi14:27:353:06:269:1912:41
9:20
+0:08
21M
21.00 mi14:37:273:16:189:219:52
9:52
+0:32
35K
21.75 mi14:43:513:22:429:196:24
8:33
-1:19
23M
23.00 mi14:54:403:33:319:1710:49
8:38
+0:05
24M
24.00 mi15:03:053:41:569:158:25
8:25
-0:13
40K
24.85 mi15:10:243:49:159:137:19
8:33
+0:08
25.2M
25.20 mi15:14:083:52:599:153:44
10:50
+2:17
Finish
26.22 mi15:23:304:02:219:159:22
9:11
-1:39

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

8:25 /mi

Average Pace

9:15 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:57

14% of race

Time at Steady Pace

2:44:25

68% of race

Time at Slower Pace

44:59

19% of race

Average Pace: 9:15 /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 mi11:52:3231:2310:0631:23
10:06
#23681
10K
6.21 mi12:21:361:00:279:4429:04
9:21
#22979
15K
9.32 mi12:49:401:28:319:3028:04
9:02
#22298
20K
12.43 mi13:17:501:56:419:2328:10
9:04
#21768
Half
13.11 mi13:24:012:02:529:226:11
9:04
#21732
25K
15.53 mi13:46:192:25:109:2122:18
9:12
#21426
30K
18.64 mi14:14:542:53:459:1928:35
9:12
#20907
20M
20.00 mi14:27:353:06:269:1912:41
9:20
#20667
21M
21.00 mi14:37:273:16:189:219:52
9:52
#20499
35K
21.75 mi14:43:513:22:429:196:24
8:33
#20342
23M
23.00 mi14:54:403:33:319:1710:49
8:38
#20073
24M
24.00 mi15:03:053:41:569:158:25
8:25
#19854
40K
24.85 mi15:10:243:49:159:137:19
8:33
#19674
25.2M
25.20 mi15:14:083:52:599:153:44
10:50
#19686
Finish
26.22 mi15:23:304:02:219:159:22
9:11
#19662
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23681139171391720640(Top 78%)12581(Top 83%)12581(Top 561%)
10K6.21 mi3.10 mi22979+70213604+31313604+31322083(Top 83%)13200(Top 87%)13200(Top 589%)
15K9.32 mi3.11 mi22298+68113289+31513289+31520640(Top 78%)12581(Top 83%)12581(Top 561%)
20K12.43 mi3.11 mi21768+53013053+23613053+23619987(Top 75%)12294(Top 81%)12294(Top 549%)
Half13.11 mi0.68 mi21732+3613037+1613037+1620659(Top 78%)12579(Top 83%)12579(Top 561%)
25K15.53 mi2.42 mi21426+30612903+13412903+13419849(Top 75%)12212(Top 80%)12212(Top 545%)
30K18.64 mi3.11 mi20907+51912666+23712666+23718159(Top 68%)11395(Top 75%)11395(Top 508%)
20M20.00 mi1.36 mi20667+24012534+13212534+13218155(Top 68%)11313(Top 75%)11313(Top 505%)
21M21.00 mi1.00 mi20499+16812447+8712447+8717505(Top 66%)11006(Top 73%)11006(Top 491%)
35K21.75 mi0.75 mi20342+15712366+8112366+8115594(Top 59%)10122(Top 67%)10122(Top 452%)
23M23.00 mi1.25 mi20073+26912239+12712239+12714013(Top 53%)9381(Top 62%)9381(Top 419%)
24M24.00 mi1.00 mi19854+21912148+9112148+9113972(Top 52%)9308(Top 61%)9308(Top 415%)
40K24.85 mi0.85 mi19674+18012063+8512063+8513697(Top 51%)9117(Top 60%)9117(Top 407%)
25.2M25.20 mi0.35 mi19686-12120631206320016(Top 75%)11924(Top 79%)11924(Top 532%)
Finish26.22 mi1.02 mi19662+2412047+1612047+1618863(Top 71%)11479(Top 76%)11479(Top 512%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20640

Males

12581

M40-44

12581

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22083

Males

13200

M40-44

13200

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20640

Males

12581

M40-44

12581

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19987

Males

12294

M40-44

12294

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20659

Males

12579

M40-44

12579

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19849

Males

12212

M40-44

12212

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18159

Males

11395

M40-44

11395

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18155

Males

11313

M40-44

11313

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17505

Males

11006

M40-44

11006

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15594

Males

10122

M40-44

10122

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14013

Males

9381

M40-44

9381

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13972

Males

9308

M40-44

9308

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13697

Males

9117

M40-44

9117

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20016

Males

11924

M40-44

11924

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18863

Males

11479

M40-44

11479

Passing Analysis

Category:
Athletes Passed
4144
Passed By
125
Net Change
+4019
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23681
5K → 10K72826+702#23681#22979
10K → 15K6843+681#22979#22298
15K → 20K5366+530#22298#21768
20K → Half437+36#21768#21732
Half → 25K3093+306#21732#21426
25K → 30K5212+519#21426#20907
30K → 20M2422+240#20907#20667
20M → 21M1779+168#20667#20499
21M → 35K1570+157#20499#20342
35K → 23M2712+269#20342#20073
23M → 24M2190+219#20073#19854
24M → 40K1822+180#19854#19674
40K → 25.2M1830-12#19674#19686
25.2M → Finish5733+24#19686#19662
TOTALS4144125+4019
📊

Passing Visuals

Category:
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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