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BOSTON MARATHON 2023

Wentao Zhang

Bib: 10828•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Masters (Masters Men)
#0 / 9891
Top 22%
Division (M50-54)
#0 / 2052
Top 16%
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
6:44/mi
20:55
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:46/mi
1:02:37
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:24:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:28:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:45:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:08:33
↑ 181↓ 1480.2%
20M
7:13/mi
2:18:22
↑ 64↓ 500.2%
21M
7:30/mi
2:25:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:31:44
↑ 17↓ 861.7%
23M
8:38/mi
2:42:33
↑ 23↓ 630.6%
24M
8:13/mi
2:50:46
↓ 821.3%
40K· 24.85 mi
8:09/mi
2:57:44
↓ 200.3%
25.2M
8:54/mi
3:00:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:08:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:51
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:39:44
Pace7:36 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5120:556:4420:55
6:44
-
10K
6.21 mi11:07:3341:376:4220:42
6:40
-0:04
15K
9.32 mi11:28:331:02:376:4321:00
6:46
+0:06
20K
12.43 mi11:50:121:24:166:4721:39
6:58
+0:12
Half
13.11 mi11:54:471:28:516:474:35
6:43
-0:15
25K
15.53 mi12:11:551:45:596:4917:08
7:04
+0:21
30K
18.64 mi12:34:292:08:336:5422:34
7:16
+0:12
20M
20.00 mi12:44:182:18:226:559:49
7:13
-0:03
21M
21.00 mi12:51:482:25:526:577:30
7:30
+0:17
35K
21.75 mi12:57:402:31:446:595:52
7:51
+0:21
23M
23.00 mi13:08:292:42:337:0410:49
8:38
+0:47
24M
24.00 mi13:16:422:50:467:078:13
8:13
-0:25
40K
24.85 mi13:23:402:57:447:096:58
8:09
-0:04
25.2M
25.20 mi13:26:443:00:487:103:04
8:54
+0:45
Finish
26.22 mi13:34:313:08:357:127:47
7:38
-1:16

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

6:40 /mi

Average Pace

7:12 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:12

36% of race

Time at Steady Pace

1:18:40

42% of race

Time at Slower Pace

42:43

23% of race

Average Pace: 7:12 /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 mi10:46:5120:556:4420:55
6:44
#3965
10K
6.21 mi11:07:3341:376:4220:42
6:40
#3956
15K
9.32 mi11:28:331:02:376:4321:00
6:46
#4198
20K
12.43 mi11:50:121:24:166:4721:39
6:58
#4651
Half
13.11 mi11:54:471:28:516:474:35
6:43
#4631
25K
15.53 mi12:11:551:45:596:4917:08
7:04
#4920
30K
18.64 mi12:34:292:08:336:5422:34
7:16
#5142
20M
20.00 mi12:44:182:18:226:559:49
7:13
#5138
21M
21.00 mi12:51:482:25:526:577:30
7:30
#5067
35K
21.75 mi12:57:402:31:446:595:52
7:51
#5240
23M
23.00 mi13:08:292:42:337:0410:49
8:38
#5632
24M
24.00 mi13:16:422:50:467:078:13
8:13
#5821
40K
24.85 mi13:23:402:57:447:096:58
8:09
#5938
25.2M
25.20 mi13:26:443:00:487:103:04
8:54
#5999
Finish
26.22 mi13:34:313:08:357:127:47
7:38
#6076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3965372237224717(Top 18%)4402(Top 29%)4402(Top 215%)
10K6.21 mi3.10 mi3956+93725-33725-33998(Top 15%)3764(Top 25%)3764(Top 183%)
15K9.32 mi3.11 mi4198-2423937-2123937-2124717(Top 18%)4402(Top 29%)4402(Top 215%)
20K12.43 mi3.11 mi4651-4534339-4024339-4025786(Top 22%)5299(Top 35%)5299(Top 258%)
Half13.11 mi0.68 mi4631+204320+194320+194593(Top 17%)4285(Top 28%)4285(Top 209%)
25K15.53 mi2.42 mi4920-2894574-2544574-2545934(Top 22%)5399(Top 36%)5399(Top 263%)
30K18.64 mi3.11 mi5142-2224762-1884762-1885839(Top 22%)5253(Top 35%)5253(Top 256%)
20M20.00 mi1.36 mi5138+44754+84754+85245(Top 20%)4737(Top 31%)4737(Top 231%)
21M21.00 mi1.00 mi5067+714687+674687+674589(Top 17%)4176(Top 28%)4176(Top 204%)
35K21.75 mi0.75 mi5240-1734822-1354822-13510892(Top 41%)8041(Top 53%)8041(Top 392%)
23M23.00 mi1.25 mi5632-3925143-3215143-32113984(Top 53%)9352(Top 62%)9352(Top 456%)
24M24.00 mi1.00 mi5821-1895273-1305273-13012671(Top 48%)8686(Top 57%)8686(Top 423%)
40K24.85 mi0.85 mi5938-1175347-745347-7410972(Top 41%)7811(Top 51%)7811(Top 381%)
25.2M25.20 mi0.35 mi5999-615393-465393-4611765(Top 44%)8108(Top 53%)8108(Top 395%)
Finish26.22 mi1.02 mi6076-775440-475440-479492(Top 36%)6998(Top 46%)6998(Top 341%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4717

Males

4402

M50-54

4402

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

3998

Males

3764

M50-54

3764

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4717

Males

4402

M50-54

4402

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5786

Males

5299

M50-54

5299

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4593

Males

4285

M50-54

4285

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

5934

Males

5399

M50-54

5399

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5839

Males

5253

M50-54

5253

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5245

Males

4737

M50-54

4737

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4589

Males

4176

M50-54

4176

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10892

Males

8041

M50-54

8041

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

13984

Males

9352

M50-54

9352

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12671

Males

8686

M50-54

8686

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10972

Males

7811

M50-54

7811

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11765

Males

8108

M50-54

8108

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9492

Males

6998

M50-54

6998

Passing Analysis

Category:
Athletes Passed
710
Passed By
2821
Net Change
-2111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3965
5K → 10K234225+9#3965#3956
10K → 15K47289-242#3956#4198
15K → 20K17470-453#4198#4651
20K → Half288+20#4651#4631
Half → 25K45334-289#4631#4920
25K → 30K80302-222#4920#5142
30K → 20M7066+4#5142#5138
20M → 21M9322+71#5138#5067
21M → 35K15188-173#5067#5240
35K → 23M14406-392#5240#5632
23M → 24M11200-189#5632#5821
24M → 40K21138-117#5821#5938
40K → 25.2M869-61#5938#5999
25.2M → Finish27104-77#5999#6076
TOTALS7102821-2111
📊

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