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BOSTON MARATHON 2024

Zhengren Niu

Bib: 11107•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
Masters (Masters Men)
#0 / 9729
Top 25%
Division (M55-59)
#0 / 1529
Top 9%
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
7:26/mi
23:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:08:16
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:35:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:53:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:16:52
↑ 181↓ 1480.2%
20M
8:06/mi
2:27:52
↑ 64↓ 500.2%
21M
8:30/mi
2:36:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:42:21
↑ 17↓ 861.7%
23M
8:07/mi
2:52:31
↑ 23↓ 630.6%
24M
8:05/mi
3:00:36
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:07:32
↓ 200.3%
25.2M
8:48/mi
3:10:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:18:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:34
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:42:27
Pace7:49 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3323:077:2623:07
7:26
-
10K
6.21 mi11:15:2445:587:2422:51
7:21
-0:05
15K
9.32 mi11:37:421:08:167:1922:18
7:11
-0:10
20K
12.43 mi12:00:201:30:547:1922:38
7:17
+0:06
Half
13.11 mi12:05:001:35:347:174:40
6:50
-0:27
25K
15.53 mi12:22:541:53:287:1817:54
7:23
+0:33
30K
18.64 mi12:46:182:16:527:2123:24
7:32
+0:09
20M
20.00 mi12:57:182:27:527:2411:00
8:06
+0:34
21M
21.00 mi13:05:482:36:227:278:30
8:30
+0:24
35K
21.75 mi13:11:472:42:217:285:59
8:00
-0:30
23M
23.00 mi13:21:572:52:317:3010:10
8:07
+0:07
24M
24.00 mi13:30:023:00:367:328:05
8:05
-0:02
40K
24.85 mi13:36:583:07:327:336:56
8:07
+0:02
25.2M
25.20 mi13:40:003:10:347:343:02
8:48
+0:41
Finish
26.22 mi13:47:273:18:017:337:27
7:19
-1:29

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

6:50 /mi

Average Pace

7:33 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:58

14% of race

Time at Steady Pace

1:57:21

59% of race

Time at Slower Pace

53:42

27% of race

Average Pace: 7:33 /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 mi10:52:3323:077:2623:07
7:26
#10252
10K
6.21 mi11:15:2445:587:2422:51
7:21
#9620
15K
9.32 mi11:37:421:08:167:1922:18
7:11
#8797
20K
12.43 mi12:00:201:30:547:1922:38
7:17
#8225
Half
13.11 mi12:05:001:35:347:174:40
6:50
#8000
25K
15.53 mi12:22:541:53:287:1817:54
7:23
#7637
30K
18.64 mi12:46:182:16:527:2123:24
7:32
#7091
20M
20.00 mi12:57:182:27:527:2411:00
8:06
#7027
21M
21.00 mi13:05:482:36:227:278:30
8:30
#6852
35K
21.75 mi13:11:472:42:217:285:59
8:00
#6815
23M
23.00 mi13:21:572:52:317:3010:10
8:07
#6698
24M
24.00 mi13:30:023:00:367:328:05
8:05
#6665
40K
24.85 mi13:36:583:07:327:336:56
8:07
#6565
25.2M
25.20 mi13:40:003:10:347:343:02
8:48
#6525
Finish
26.22 mi13:47:273:18:017:337:27
7:19
#6392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10252808380837314(Top 29%)6281(Top 43%)6281(Top 411%)
10K6.21 mi3.10 mi9620+6327721+3627721+3629071(Top 36%)7374(Top 51%)7374(Top 482%)
15K9.32 mi3.11 mi8797+8237230+4917230+4917314(Top 29%)6281(Top 43%)6281(Top 411%)
20K12.43 mi3.11 mi8225+5726873+3576873+3576879(Top 27%)5917(Top 41%)5917(Top 387%)
Half13.11 mi0.68 mi8000+2256731+1426731+1424820(Top 19%)4431(Top 30%)4431(Top 290%)
25K15.53 mi2.42 mi7637+3636471+2606471+2606300(Top 25%)5380(Top 37%)5380(Top 352%)
30K18.64 mi3.11 mi7091+5466060+4116060+4115256(Top 21%)4531(Top 31%)4531(Top 296%)
20M20.00 mi1.36 mi7027+645975+855975+857274(Top 28%)5592(Top 38%)5592(Top 366%)
21M21.00 mi1.00 mi6852+1755806+1695806+1696201(Top 24%)4794(Top 33%)4794(Top 314%)
35K21.75 mi0.75 mi6815+375756+505756+507726(Top 30%)5600(Top 38%)5600(Top 366%)
23M23.00 mi1.25 mi6698+1175631+1255631+1256359(Top 25%)4726(Top 32%)4726(Top 309%)
24M24.00 mi1.00 mi6665+335568+635568+637072(Top 28%)5018(Top 34%)5018(Top 328%)
40K24.85 mi0.85 mi6565+1005461+1075461+1076304(Top 25%)4496(Top 31%)4496(Top 294%)
25.2M25.20 mi0.35 mi6525+405423+385423+385628(Top 22%)4073(Top 28%)4073(Top 266%)
Finish26.22 mi1.02 mi6392+1335303+1205303+1204587(Top 18%)3572(Top 25%)3572(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7314

Males

6281

M55-59

6281

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9071

Males

7374

M55-59

7374

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7314

Males

6281

M55-59

6281

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6879

Males

5917

M55-59

5917

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

4820

Males

4431

M55-59

4431

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6300

Males

5380

M55-59

5380

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5256

Males

4531

M55-59

4531

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7274

Males

5592

M55-59

5592

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6201

Males

4794

M55-59

4794

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7726

Males

5600

M55-59

5600

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6359

Males

4726

M55-59

4726

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7072

Males

5018

M55-59

5018

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6304

Males

4496

M55-59

4496

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5628

Males

4073

M55-59

4073

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4587

Males

3572

M55-59

3572

Passing Analysis

Category:
Athletes Passed
4323*
Passed By
463
Net Change
+3860
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10252
5K → 10K686*54+632#10252#9620
10K → 15K8252+823#9620#8797
15K → 20K5764+572#8797#8225
20K → Half2250+225#8225#8000
Half → 25K38017+363#8000#7637
25K → 30K56014+546#7637#7091
30K → 20M14379+64#7091#7027
20M → 21M21237+175#7027#6852
21M → 35K8649+37#6852#6815
35K → 23M18669+117#6815#6698
23M → 24M10673+33#6698#6665
24M → 40K13737+100#6665#6565
40K → 25.2M499+40#6565#6525
25.2M → Finish15219+133#6525#6392
TOTALS4323*463+3860

* 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