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BOSTON MARATHON 2024

Cheng Zhong

Bib: 2478•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 13%
Gender (Male)
#0 / 14578
Top 21%
Masters (Masters Men)
#0 / 9729
Top 10%
Division (M40-44)
#0 / 2009
Top 28%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
6:30/mi
20:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:33/mi
40:32
↑ 79↓ 1380.4%
15K· 9.32 mi
6:36/mi
1:01:03
↑ 67↓ 78
20K· 12.43 mi
6:45/mi
1:22:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:26:32
↑ 19↓ 370.5%
25K· 15.53 mi
6:50/mi
1:43:05
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:05:17
↑ 181↓ 1480.2%
20M
7:08/mi
2:14:59
↑ 64↓ 500.2%
21M
8:04/mi
2:23:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:28:33
↑ 17↓ 861.7%
23M
7:18/mi
2:37:41
↑ 23↓ 630.6%
24M
7:18/mi
2:44:59
↓ 821.3%
40K· 24.85 mi
8:10/mi
2:51:58
↓ 200.3%
25.2M
9:11/mi
2:55:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:02:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:32
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:36:25
Pace7:21 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3120:116:3020:11
6:30
-
10K
6.21 mi10:45:5240:326:3120:21
6:33
+0:03
15K
9.32 mi11:06:231:01:036:3320:31
6:36
+0:03
20K
12.43 mi11:27:201:22:006:3620:57
6:45
+0:09
Half
13.11 mi11:31:521:26:326:364:32
6:39
-0:06
25K
15.53 mi11:48:251:43:056:3816:33
6:50
+0:11
30K
18.64 mi12:10:372:05:176:4322:12
7:09
+0:19
20M
20.00 mi12:20:192:14:596:459:42
7:08
-0:01
21M
21.00 mi12:28:232:23:036:498:04
8:04
+0:56
35K
21.75 mi12:33:532:28:336:505:30
7:21
-0:43
23M
23.00 mi12:43:012:37:416:519:08
7:18
-0:03
24M
24.00 mi12:50:192:44:596:527:18
7:18
0:00
40K
24.85 mi12:57:182:51:586:556:59
8:10
+0:52
25.2M
25.20 mi13:00:282:55:086:573:10
9:11
+1:01
Finish
26.22 mi13:08:173:02:576:597:49
7:40
-1:31

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

6:30 /mi

Average Pace

6:59 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:32

47% of race

Time at Steady Pace

1:10:23

38% of race

Time at Slower Pace

26:02

14% of race

Average Pace: 6:59 /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 mi10:25:3120:116:3020:11
6:30
#3297
10K
6.21 mi10:45:5240:326:3120:21
6:33
#3300
15K
9.32 mi11:06:231:01:036:3320:31
6:36
#3281
20K
12.43 mi11:27:201:22:006:3620:57
6:45
#3258
Half
13.11 mi11:31:521:26:326:364:32
6:39
#3255
25K
15.53 mi11:48:251:43:056:3816:33
6:50
#3209
30K
18.64 mi12:10:372:05:176:4322:12
7:09
#3187
20M
20.00 mi12:20:192:14:596:459:42
7:08
#3118
21M
21.00 mi12:28:232:23:036:498:04
8:04
#3198
35K
21.75 mi12:33:532:28:336:505:30
7:21
#3239
23M
23.00 mi12:43:012:37:416:519:08
7:18
#3174
24M
24.00 mi12:50:192:44:596:527:18
7:18
#3164
40K
24.85 mi12:57:182:51:586:556:59
8:10
#3268
25.2M
25.20 mi13:00:282:55:086:573:10
9:11
#3305
Finish
26.22 mi13:08:173:02:576:597:49
7:40
#3341
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3297314331433292(Top 13%)3130(Top 21%)3130(Top 156%)
10K6.21 mi3.10 mi3300-33145-23145-23313(Top 13%)3148(Top 22%)3148(Top 157%)
15K9.32 mi3.11 mi3281+193121+243121+243292(Top 13%)3130(Top 21%)3130(Top 156%)
20K12.43 mi3.11 mi3258+233101+203101+203468(Top 14%)3277(Top 22%)3277(Top 163%)
Half13.11 mi0.68 mi3255+33099+23099+23423(Top 13%)3241(Top 22%)3241(Top 161%)
25K15.53 mi2.42 mi3209+463049+503049+503356(Top 13%)3145(Top 22%)3145(Top 157%)
30K18.64 mi3.11 mi3187+223022+273022+273547(Top 14%)3238(Top 22%)3238(Top 161%)
20M20.00 mi1.36 mi3118+692952+702952+702920(Top 11%)2677(Top 18%)2677(Top 133%)
21M21.00 mi1.00 mi3198-803010-583010-584391(Top 17%)3701(Top 25%)3701(Top 184%)
35K21.75 mi0.75 mi3239-413035-253035-254352(Top 17%)3689(Top 25%)3689(Top 184%)
23M23.00 mi1.25 mi3174+652969+662969+662890(Top 11%)2570(Top 18%)2570(Top 128%)
24M24.00 mi1.00 mi3164+102955+142955+143356(Top 13%)2873(Top 20%)2873(Top 143%)
40K24.85 mi0.85 mi3268-1043037-823037-826580(Top 26%)4636(Top 32%)4636(Top 231%)
25.2M25.20 mi0.35 mi3305-373063-263063-267300(Top 29%)4926(Top 34%)4926(Top 245%)
Finish26.22 mi1.02 mi3341-363080-173080-176531(Top 26%)4598(Top 32%)4598(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3292

Males

3130

M40-44

3130

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3313

Males

3148

M40-44

3148

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3292

Males

3130

M40-44

3130

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3468

Males

3277

M40-44

3277

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3423

Males

3241

M40-44

3241

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3356

Males

3145

M40-44

3145

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3547

Males

3238

M40-44

3238

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2920

Males

2677

M40-44

2677

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4391

Males

3701

M40-44

3701

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4352

Males

3689

M40-44

3689

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2890

Males

2570

M40-44

2570

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3356

Males

2873

M40-44

2873

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6580

Males

4636

M40-44

4636

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7300

Males

4926

M40-44

4926

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6531

Males

4598

M40-44

4598

Passing Analysis

Category:
Athletes Passed
1165
Passed By
1209
Net Change
-44
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3297
5K → 10K128131-3#3297#3300
10K → 15K11394+19#3300#3281
15K → 20K11794+23#3281#3258
20K → Half2724+3#3258#3255
Half → 25K13892+46#3255#3209
25K → 30K187165+22#3209#3187
30K → 20M11647+69#3187#3118
20M → 21M48128-80#3118#3198
21M → 35K4081-41#3198#3239
35K → 23M10843+65#3239#3174
23M → 24M6050+10#3174#3164
24M → 40K26130-104#3164#3268
40K → 25.2M946-37#3268#3305
25.2M → Finish4884-36#3305#3341
TOTALS11651209-44
📊

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