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BOSTON MARATHON 2023

Wen Zhu

Bib: 16915•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 42%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
47:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:15
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:35:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:40:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:00:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:25:28
↑ 181↓ 1480.2%
20M
8:33/mi
2:37:05
↑ 64↓ 500.2%
21M
9:01/mi
2:46:06
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
2:52:28
↑ 17↓ 861.7%
23M
8:56/mi
3:03:39
↑ 23↓ 630.6%
24M
8:38/mi
3:12:17
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:20:04
↓ 200.3%
25.2M
10:29/mi
3:23:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:32:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:43
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:52:07
Pace8:33 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0023:467:3923:46
7:39
-
10K
6.21 mi11:37:4147:277:3823:41
7:37
-0:02
15K
9.32 mi12:01:291:11:157:3923:48
7:40
+0:03
20K
12.43 mi12:25:421:35:287:4124:13
7:48
+0:08
Half
13.11 mi12:30:571:40:437:415:15
7:42
-0:06
25K
15.53 mi12:50:172:00:037:4419:20
7:58
+0:16
30K
18.64 mi13:15:422:25:287:4825:25
8:11
+0:13
20M
20.00 mi13:27:192:37:057:5111:37
8:33
+0:22
21M
21.00 mi13:36:202:46:067:559:01
9:01
+0:28
35K
21.75 mi13:42:422:52:287:566:22
8:31
-0:30
23M
23.00 mi13:53:533:03:397:5911:11
8:56
+0:25
24M
24.00 mi14:02:313:12:178:018:38
8:38
-0:18
40K
24.85 mi14:10:183:20:048:037:47
9:06
+0:28
25.2M
25.20 mi14:13:553:23:418:053:37
10:29
+1:23
Finish
26.22 mi14:23:043:32:508:079:09
8:59
-1:30

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

7:37 /mi

Average Pace

8:07 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:03

56% of race

Time at Steady Pace

52:02

24% of race

Time at Slower Pace

40:45

19% of race

Average Pace: 8:07 /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 mi11:14:0023:467:3923:46
7:39
#11014
10K
6.21 mi11:37:4147:277:3823:41
7:37
#11228
15K
9.32 mi12:01:291:11:157:3923:48
7:40
#11310
20K
12.43 mi12:25:421:35:287:4124:13
7:48
#11363
Half
13.11 mi12:30:571:40:437:415:15
7:42
#11381
25K
15.53 mi12:50:172:00:037:4419:20
7:58
#11514
30K
18.64 mi13:15:422:25:287:4825:25
8:11
#11635
20M
20.00 mi13:27:192:37:057:5111:37
8:33
#11812
21M
21.00 mi13:36:202:46:067:559:01
9:01
#11941
35K
21.75 mi13:42:422:52:287:566:22
8:31
#12072
23M
23.00 mi13:53:533:03:397:5911:11
8:56
#12319
24M
24.00 mi14:02:313:12:178:018:38
8:38
#12459
40K
24.85 mi14:10:183:20:048:037:47
9:06
#12661
25.2M
25.20 mi14:13:553:23:418:053:37
10:29
#12802
Finish
26.22 mi14:23:043:32:508:079:09
8:59
#13008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi110148669866911499(Top 43%)8858(Top 58%)8858(Top 623%)
10K6.21 mi3.10 mi11228-2148760-918760-9111528(Top 43%)8898(Top 59%)8898(Top 626%)
15K9.32 mi3.11 mi11310-828802-428802-4211499(Top 43%)8858(Top 58%)8858(Top 623%)
20K12.43 mi3.11 mi11363-538814-128814-1211684(Top 44%)8886(Top 59%)8886(Top 625%)
Half13.11 mi0.68 mi11381-188811+38811+311820(Top 44%)9005(Top 59%)9005(Top 633%)
25K15.53 mi2.42 mi11514-1338852-418852-4112511(Top 47%)9130(Top 60%)9130(Top 642%)
30K18.64 mi3.11 mi11635-1218849+38849+312192(Top 46%)8884(Top 59%)8884(Top 625%)
20M20.00 mi1.36 mi11812-1778907-588907-5813903(Top 52%)9528(Top 63%)9528(Top 670%)
21M21.00 mi1.00 mi11941-1298947-408947-4013478(Top 51%)9256(Top 61%)9256(Top 651%)
35K21.75 mi0.75 mi12072-1318984-378984-3715344(Top 58%)9997(Top 66%)9997(Top 703%)
23M23.00 mi1.25 mi12319-2479064-809064-8015671(Top 59%)10088(Top 66%)10088(Top 709%)
24M24.00 mi1.00 mi12459-1409116-529116-5215236(Top 57%)9845(Top 65%)9845(Top 692%)
40K24.85 mi0.85 mi12661-2029176-609176-6016622(Top 62%)10405(Top 69%)10405(Top 732%)
25.2M25.20 mi0.35 mi12802-1419228-529228-5218998(Top 71%)11454(Top 75%)11454(Top 805%)
Finish26.22 mi1.02 mi13008-2069284-569284-5617840(Top 67%)10982(Top 72%)10982(Top 772%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11499

Males

8858

M55-59

8858

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11528

Males

8898

M55-59

8898

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11499

Males

8858

M55-59

8858

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11684

Males

8886

M55-59

8886

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11820

Males

9005

M55-59

9005

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12511

Males

9130

M55-59

9130

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12192

Males

8884

M55-59

8884

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13903

Males

9528

M55-59

9528

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13478

Males

9256

M55-59

9256

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15344

Males

9997

M55-59

9997

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15671

Males

10088

M55-59

10088

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15236

Males

9845

M55-59

9845

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16622

Males

10405

M55-59

10405

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18998

Males

11454

M55-59

11454

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17840

Males

10982

M55-59

10982

Passing Analysis

Category:
Athletes Passed
984
Passed By
2978
Net Change
-1994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11014
5K → 10K203417-214#11014#11228
10K → 15K153235-82#11228#11310
15K → 20K146199-53#11310#11363
20K → Half2644-18#11363#11381
Half → 25K81214-133#11381#11514
25K → 30K139260-121#11514#11635
30K → 20M57234-177#11635#11812
20M → 21M51180-129#11812#11941
21M → 35K25156-131#11941#12072
35K → 23M32279-247#12072#12319
23M → 24M30170-140#12319#12459
24M → 40K18220-202#12459#12661
40K → 25.2M5146-141#12661#12802
25.2M → Finish18224-206#12802#13008
TOTALS9842978-1994
📊

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