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BOSTON MARATHON 2024

Zhengdong Zhu

Bib: 14708•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 48%
Masters (Masters Men)
#0 / 9729
Top 38%
Division (M55-59)
#0 / 1529
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #9812
Start → 5K
22:57 | 7:23/mi
10K· 6.21 mi
46:28
Rank: #10278 (-466)
5K → 10K
23:31 | 7:34/mi
15K· 9.32 mi
1:10:37
Rank: #10777 (-499)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:34:51
Rank: #10631 (+146)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:40:00
Rank: #10551 (+80)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:59:29
Rank: #10471 (+80)
Half → 25K
19:29 | 8:02/mi
30K· 18.64 mi
2:25:30
Rank: #10281 (+190)
25K → 30K
26:01 | 8:22/mi
20M
2:37:07
Rank: #10182 (+99)
30K → 20M
11:37 | 8:33/mi
21M
2:46:09
Rank: #10029 (+153)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:52:21
Rank: #9962 (+67)
21M → 35K
6:12 | 8:17/mi
23M
3:03:03
Rank: #9829 (+133)
35K → 23M
10:42 | 8:33/mi
24M
3:11:15
Rank: #9696 (+133)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:18:22
Rank: #9581 (+115)
24M → 40K
7:07 | 8:19/mi
25.2M
3:21:30
Rank: #9504 (+77)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:29:17
Rank: #9360 (+144)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:00
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:49:17
Pace8:20 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5822:577:2322:57
7:23
-
10K
6.21 mi11:17:2946:287:2923:31
7:34
+0:11
15K
9.32 mi11:41:381:10:377:3524:09
7:46
+0:12
20K
12.43 mi12:05:521:34:517:3824:14
7:48
+0:02
Half
13.11 mi12:11:011:40:007:385:09
7:33
-0:15
25K
15.53 mi12:30:301:59:297:4119:29
8:02
+0:29
30K
18.64 mi12:56:312:25:307:4826:01
8:22
+0:20
20M
20.00 mi13:08:082:37:077:5111:37
8:33
+0:11
21M
21.00 mi13:17:102:46:097:559:02
9:02
+0:29
35K
21.75 mi13:23:222:52:217:556:12
8:17
-0:45
23M
23.00 mi13:34:043:03:037:5810:42
8:33
+0:16
24M
24.00 mi13:42:163:11:157:588:12
8:12
-0:21
40K
24.85 mi13:49:233:18:227:597:07
8:19
+0:07
25.2M
25.20 mi13:52:313:21:308:003:08
9:05
+0:46
Finish
26.22 mi14:00:183:29:177:597:47
7:38
-1:27

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

7:23 /mi

Average Pace

7:59 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:47

52% of race

Time at Steady Pace

1:07:01

32% of race

Time at Slower Pace

34:29

16% of race

Average Pace: 7:59 /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 mi10:53:5822:577:2322:57
7:23
#9812
10K
6.21 mi11:17:2946:287:2923:31
7:34
#10278
15K
9.32 mi11:41:381:10:377:3524:09
7:46
#10777
20K
12.43 mi12:05:521:34:517:3824:14
7:48
#10631
Half
13.11 mi12:11:011:40:007:385:09
7:33
#10551
25K
15.53 mi12:30:301:59:297:4119:29
8:02
#10471
30K
18.64 mi12:56:312:25:307:4826:01
8:22
#10281
20M
20.00 mi13:08:082:37:077:5111:37
8:33
#10182
21M
21.00 mi13:17:102:46:097:559:02
9:02
#10029
35K
21.75 mi13:23:222:52:217:556:12
8:17
#9962
23M
23.00 mi13:34:043:03:037:5810:42
8:33
#9829
24M
24.00 mi13:42:163:11:157:588:12
8:12
#9696
40K
24.85 mi13:49:233:18:227:597:07
8:19
#9581
25.2M
25.20 mi13:52:313:21:308:003:08
9:05
#9504
Finish
26.22 mi14:00:183:29:177:597:47
7:38
#9360
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi98127850785011701(Top 46%)8600(Top 59%)8600(Top 562%)
10K6.21 mi3.10 mi10278-4668058-2088058-20810827(Top 42%)8254(Top 57%)8254(Top 540%)
15K9.32 mi3.11 mi10777-4998245-1878245-18711701(Top 46%)8600(Top 59%)8600(Top 562%)
20K12.43 mi3.11 mi10631+1468141+1048141+10410420(Top 41%)7855(Top 54%)7855(Top 514%)
Half13.11 mi0.68 mi10551+808092+498092+499438(Top 37%)7391(Top 51%)7391(Top 483%)
25K15.53 mi2.42 mi10471+808000+928000+9210395(Top 41%)7684(Top 53%)7684(Top 503%)
30K18.64 mi3.11 mi10281+1907789+2117789+2119957(Top 39%)7241(Top 50%)7241(Top 474%)
20M20.00 mi1.36 mi10182+997687+1027687+1029690(Top 38%)6874(Top 47%)6874(Top 450%)
21M21.00 mi1.00 mi10029+1537558+1297558+1298746(Top 34%)6170(Top 42%)6170(Top 404%)
35K21.75 mi0.75 mi9962+677489+697489+699454(Top 37%)6485(Top 44%)6485(Top 424%)
23M23.00 mi1.25 mi9829+1337359+1307359+1308709(Top 34%)5960(Top 41%)5960(Top 390%)
24M24.00 mi1.00 mi9696+1337249+1107249+1107757(Top 30%)5381(Top 37%)5381(Top 352%)
40K24.85 mi0.85 mi9581+1157148+1017148+1017472(Top 29%)5096(Top 35%)5096(Top 333%)
25.2M25.20 mi0.35 mi9504+777090+587090+586913(Top 27%)4779(Top 33%)4779(Top 313%)
Finish26.22 mi1.02 mi9360+1446983+1076983+1076372(Top 25%)4538(Top 31%)4538(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

11701

Males

8600

M55-59

8600

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10827

Males

8254

M55-59

8254

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

11701

Males

8600

M55-59

8600

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10420

Males

7855

M55-59

7855

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9438

Males

7391

M55-59

7391

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10395

Males

7684

M55-59

7684

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

9957

Males

7241

M55-59

7241

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

9690

Males

6874

M55-59

6874

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8746

Males

6170

M55-59

6170

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9454

Males

6485

M55-59

6485

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8709

Males

5960

M55-59

5960

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7757

Males

5381

M55-59

5381

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7472

Males

5096

M55-59

5096

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6913

Males

4779

M55-59

4779

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6372

Males

4538

M55-59

4538

Passing Analysis

Category:
Athletes Passed
2464*
Passed By
2008
Net Change
+452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9812
5K → 10K118583-466#9812#10278
10K → 15K87586-499#10278#10777
15K → 20K285139+146#10777#10631
20K → Half866+80#10631#10551
Half → 25K253173+80#10551#10471
25K → 30K377186+190#10471#10281
30K → 20M19090+99#10281#10182
20M → 21M21157+153#10182#10029
21M → 35K108*41+67#10029#9962
35K → 23M19764+133#9962#9829
23M → 24M165*32+133#9829#9696
24M → 40K13722+115#9696#9581
40K → 25.2M8710+77#9581#9504
25.2M → Finish16319+144#9504#9360
TOTALS2464*2008+452

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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