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BOSTON MARATHON 2023

Su Yang

Bib: 12275•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M45-49)
#0 / 2252
Top 38%
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
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:35
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:32:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:37:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:55:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:18:55
↑ 181↓ 1480.2%
20M
7:27/mi
2:29:03
↑ 64↓ 500.2%
21M
7:44/mi
2:36:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:42:07
↑ 17↓ 861.7%
23M
7:23/mi
2:51:22
↑ 23↓ 630.6%
24M
6:57/mi
2:58:19
↓ 821.3%
40K· 24.85 mi
7:08/mi
3:04:25
↓ 200.3%
25.2M
7:38/mi
3:07:03
↑ 13↓ 160.2%
Finish· 26.22 mi
6:48/mi
3:13:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:35
Pace7:27 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:24
Pace7:21 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5423:447:3823:44
7:38
-
10K
6.21 mi11:14:5146:417:3122:57
7:23
-0:15
15K
9.32 mi11:37:451:09:357:2822:54
7:22
-0:01
20K
12.43 mi12:00:441:32:347:2722:59
7:24
+0:02
Half
13.11 mi12:05:451:37:357:275:01
7:21
-0:03
25K
15.53 mi12:23:361:55:267:2617:51
7:22
+0:01
30K
18.64 mi12:47:052:18:557:2723:29
7:34
+0:12
20M
20.00 mi12:57:132:29:037:2710:08
7:27
-0:07
21M
21.00 mi13:04:572:36:477:287:44
7:44
+0:17
35K
21.75 mi13:10:172:42:077:275:20
7:08
-0:36
23M
23.00 mi13:19:322:51:227:279:15
7:23
+0:15
24M
24.00 mi13:26:292:58:197:266:57
6:57
-0:26
40K
24.85 mi13:32:353:04:257:256:06
7:08
+0:11
25.2M
25.20 mi13:35:133:07:037:252:38
7:38
+0:30
Finish
26.22 mi13:42:093:13:597:246:56
6:48
-0:50

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

6:48 /mi

Average Pace

7:24 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:24

70% of race

Time at Steady Pace

57:35

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:51:5423:447:3823:44
7:38
#10888
10K
6.21 mi11:14:5146:417:3122:57
7:23
#10145
15K
9.32 mi11:37:451:09:357:2822:54
7:22
#9735
20K
12.43 mi12:00:441:32:347:2722:59
7:24
#9400
Half
13.11 mi12:05:451:37:357:275:01
7:21
#9364
25K
15.53 mi12:23:361:55:267:2617:51
7:22
#9059
30K
18.64 mi12:47:052:18:557:2723:29
7:34
#8763
20M
20.00 mi12:57:132:29:037:2710:08
7:27
#8571
21M
21.00 mi13:04:572:36:477:287:44
7:44
#8393
35K
21.75 mi13:10:172:42:077:275:20
7:08
#8279
23M
23.00 mi13:19:322:51:227:279:15
7:23
#8083
24M
24.00 mi13:26:292:58:197:266:57
6:57
#7864
40K
24.85 mi13:32:353:04:257:256:06
7:08
#7702
25.2M
25.20 mi13:35:133:07:037:252:38
7:38
#7622
Finish
26.22 mi13:42:093:13:597:246:56
6:48
#7438
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10888859385939080(Top 34%)7583(Top 50%)7583(Top 337%)
10K6.21 mi3.10 mi10145+7438228+3658228+3659473(Top 36%)7845(Top 52%)7845(Top 348%)
15K9.32 mi3.11 mi9735+4107996+2327996+2329080(Top 34%)7583(Top 50%)7583(Top 337%)
20K12.43 mi3.11 mi9400+3357794+2027794+2028477(Top 32%)7176(Top 47%)7176(Top 319%)
Half13.11 mi0.68 mi9364+367769+257769+258935(Top 34%)7451(Top 49%)7451(Top 331%)
25K15.53 mi2.42 mi9059+3057581+1887581+1887692(Top 29%)6603(Top 44%)6603(Top 293%)
30K18.64 mi3.11 mi8763+2967359+2227359+2227629(Top 29%)6465(Top 43%)6465(Top 287%)
20M20.00 mi1.36 mi8571+1927214+1457214+1456506(Top 24%)5656(Top 37%)5656(Top 251%)
21M21.00 mi1.00 mi8393+1787081+1337081+1335810(Top 22%)5062(Top 33%)5062(Top 225%)
35K21.75 mi0.75 mi8279+1147003+787003+786095(Top 23%)5303(Top 35%)5303(Top 235%)
23M23.00 mi1.25 mi8083+1966855+1486855+1485799(Top 22%)5049(Top 33%)5049(Top 224%)
24M24.00 mi1.00 mi7864+2196698+1576698+1574440(Top 17%)4015(Top 26%)4015(Top 178%)
40K24.85 mi0.85 mi7702+1626579+1196579+1194556(Top 17%)4038(Top 27%)4038(Top 179%)
25.2M25.20 mi0.35 mi7622+806519+606519+604593(Top 17%)4006(Top 26%)4006(Top 178%)
Finish26.22 mi1.02 mi7438+1846371+1486371+1484104(Top 15%)3625(Top 24%)3625(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9080

Males

7583

M45-49

7583

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9473

Males

7845

M45-49

7845

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9080

Males

7583

M45-49

7583

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8477

Males

7176

M45-49

7176

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8935

Males

7451

M45-49

7451

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7692

Males

6603

M45-49

6603

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7629

Males

6465

M45-49

6465

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6506

Males

5656

M45-49

5656

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5810

Males

5062

M45-49

5062

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6095

Males

5303

M45-49

5303

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5799

Males

5049

M45-49

5049

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4440

Males

4015

M45-49

4015

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4556

Males

4038

M45-49

4038

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4593

Males

4006

M45-49

4006

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4104

Males

3625

M45-49

3625

Passing Analysis

Category:
Athletes Passed
3667*
Passed By
217
Net Change
+3450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10888
5K → 10K807*64+743#10888#10145
10K → 15K447*37+410#10145#9735
15K → 20K353*18+335#9735#9400
20K → Half4610+36#9400#9364
Half → 25K31712+305#9364#9059
25K → 30K33135+296#9059#8763
30K → 20M1975+192#8763#8571
20M → 21M1857+178#8571#8393
21M → 35K1206+114#8393#8279
35K → 23M2037+196#8279#8083
23M → 24M2223+219#8083#7864
24M → 40K1664+162#7864#7702
40K → 25.2M844+80#7702#7622
25.2M → Finish1895+184#7622#7438
TOTALS3667*217+3450

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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