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BOSTON MARATHON 2023

Wei Zhang

Bib: 11365•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M50-54)
#0 / 2052
Top 28%
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
1:32:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/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
7:49/mi
2:36:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:42:15
↑ 17↓ 861.7%
23M
7:36/mi
2:51:46
↑ 23↓ 630.6%
24M
7:36/mi
2:59:22
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:05:54
↓ 200.3%
25.2M
8:16/mi
3:08:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:16:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:35
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
📊Positive Split: 1.3% slower 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 mi12:00:451:32:357:2723:00
7:24
+0:02
Half
13.11 mi12:05:451:37:357:275:00
7:20
-0:04
25K
15.53 mi12:23:361:55:267:2617:51
7:22
+0:02
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 mi13:05:022:36:527:287:49
7:49
+0:22
35K
21.75 mi13:10:252:42:157:285:23
7:12
-0:37
23M
23.00 mi13:19:562:51:467:289:31
7:36
+0:24
24M
24.00 mi13:27:322:59:227:287:36
7:36
0:00
40K
24.85 mi13:34:043:05:547:296:32
7:38
+0:02
25.2M
25.20 mi13:36:553:08:457:292:51
8:16
+0:38
Finish
26.22 mi13:44:393:16:297:307:44
7:35
-0:41

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

7:12 /mi

Average Pace

7:30 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:38

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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
#10891
10K
6.21 mi11:14:5146:417:3122:57
7:23
#10146
15K
9.32 mi11:37:451:09:357:2822:54
7:22
#9736
20K
12.43 mi12:00:451:32:357:2723:00
7:24
#9411
Half
13.11 mi12:05:451:37:357:275:00
7:20
#9366
25K
15.53 mi12:23:361:55:267:2617:51
7:22
#9061
30K
18.64 mi12:47:052:18:557:2723:29
7:34
#8764
20M
20.00 mi12:57:132:29:037:2710:08
7:27
#8576
21M
21.00 mi13:05:022:36:527:287:49
7:49
#8422
35K
21.75 mi13:10:252:42:157:285:23
7:12
#8327
23M
23.00 mi13:19:562:51:467:289:31
7:36
#8204
24M
24.00 mi13:27:322:59:227:287:36
7:36
#8191
40K
24.85 mi13:34:043:05:547:296:32
7:38
#8157
25.2M
25.20 mi13:36:553:08:457:292:51
8:16
#8148
Finish
26.22 mi13:44:393:16:297:307:44
7:35
#8155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10891859685969086(Top 34%)7589(Top 50%)7589(Top 370%)
10K6.21 mi3.10 mi10146+7458229+3678229+3679478(Top 36%)7850(Top 52%)7850(Top 383%)
15K9.32 mi3.11 mi9736+4107997+2327997+2329086(Top 34%)7589(Top 50%)7589(Top 370%)
20K12.43 mi3.11 mi9411+3257802+1957802+1958526(Top 32%)7210(Top 48%)7210(Top 351%)
Half13.11 mi0.68 mi9366+457771+317771+318767(Top 33%)7358(Top 48%)7358(Top 359%)
25K15.53 mi2.42 mi9061+3057583+1887583+1887698(Top 29%)6609(Top 44%)6609(Top 322%)
30K18.64 mi3.11 mi8764+2977360+2237360+2237638(Top 29%)6474(Top 43%)6474(Top 315%)
20M20.00 mi1.36 mi8576+1887219+1417219+1416515(Top 24%)5665(Top 37%)5665(Top 276%)
21M21.00 mi1.00 mi8422+1547101+1187101+1186272(Top 24%)5401(Top 36%)5401(Top 263%)
35K21.75 mi0.75 mi8327+957032+697032+696504(Top 24%)5584(Top 37%)5584(Top 272%)
23M23.00 mi1.25 mi8204+1236935+976935+977085(Top 27%)5880(Top 39%)5880(Top 287%)
24M24.00 mi1.00 mi8191+136907+286907+288372(Top 31%)6534(Top 43%)6534(Top 318%)
40K24.85 mi0.85 mi8157+346862+456862+457552(Top 28%)5964(Top 39%)5964(Top 291%)
25.2M25.20 mi0.35 mi8148+96850+126850+128014(Top 30%)6174(Top 41%)6174(Top 301%)
Finish26.22 mi1.02 mi8155-76834+166834+169171(Top 34%)6841(Top 45%)6841(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9086

Males

7589

M50-54

7589

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9478

Males

7850

M50-54

7850

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9086

Males

7589

M50-54

7589

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8526

Males

7210

M50-54

7210

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8767

Males

7358

M50-54

7358

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7698

Males

6609

M50-54

6609

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7638

Males

6474

M50-54

6474

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6515

Males

5665

M50-54

5665

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6272

Males

5401

M50-54

5401

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6504

Males

5584

M50-54

5584

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7085

Males

5880

M50-54

5880

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8372

Males

6534

M50-54

6534

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7552

Males

5964

M50-54

5964

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8014

Males

6174

M50-54

6174

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9171

Males

6841

M50-54

6841

Passing Analysis

Category:
Athletes Passed
3146*
Passed By
410
Net Change
+2736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10891
5K → 10K808*63+745#10891#10146
10K → 15K447*37+410#10146#9736
15K → 20K347*22+325#9736#9411
20K → Half505+45#9411#9366
Half → 25K31813+305#9366#9061
25K → 30K33235+297#9061#8764
30K → 20M1946+188#8764#8576
20M → 21M1639+154#8576#8422
21M → 35K1038+95#8422#8327
35K → 23M15128+123#8327#8204
23M → 24M6653+13#8204#8191
24M → 40K7743+34#8191#8157
40K → 25.2M3425+9#8157#8148
25.2M → Finish5663-7#8148#8155
TOTALS3146*410+2736

* 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