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BOSTON MARATHON 2024

Sijian Zhang

Bib: 18402•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 48%
Division (M60-64)
#0 / 1173
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:17
Rank: #15617
Start → 5K
25:17 | 8:08/mi
10K· 6.21 mi
50:06
Rank: #14856 (+761)
5K → 10K
24:49 | 7:59/mi
15K· 9.32 mi
1:14:59
Rank: #14344 (+512)
10K → 15K
24:53 | 8:01/mi
20K· 12.43 mi
1:40:01
Rank: #13750 (+594)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:45:24
Rank: #13653 (+97)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:05:02
Rank: #13055 (+598)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:31:21
Rank: #12460 (+595)
25K → 30K
26:19 | 8:28/mi
20M
2:43:26
Rank: #12335 (+125)
30K → 20M
12:05 | 8:54/mi
21M
2:52:53
Rank: #12195 (+140)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
2:59:34
Rank: #12192 (+3)
21M → 35K
6:41 | 8:56/mi
23M
3:10:53
Rank: #12094 (+98)
35K → 23M
11:19 | 9:02/mi
24M
3:19:52
Rank: #12062 (+32)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:27:26
Rank: #11964 (+98)
24M → 40K
7:34 | 8:51/mi
25.2M
3:30:45
Rank: #11902 (+62)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:39:23
Rank: #11842 (+60)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:53:59
Pace8:42 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1925:178:0825:17
8:08
-
10K
6.21 mi11:42:0850:068:0424:49
7:59
-0:09
15K
9.32 mi12:07:011:14:598:0324:53
8:01
+0:02
20K
12.43 mi12:32:031:40:018:0325:02
8:03
+0:02
Half
13.11 mi12:37:261:45:248:025:23
7:53
-0:10
25K
15.53 mi12:57:042:05:028:0319:38
8:06
+0:13
30K
18.64 mi13:23:232:31:218:0726:19
8:28
+0:22
20M
20.00 mi13:35:282:43:268:1012:05
8:54
+0:26
21M
21.00 mi13:44:552:52:538:149:27
9:27
+0:33
35K
21.75 mi13:51:362:59:348:156:41
8:56
-0:31
23M
23.00 mi14:02:553:10:538:1811:19
9:02
+0:06
24M
24.00 mi14:11:543:19:528:208:59
8:59
-0:03
40K
24.85 mi14:19:283:27:268:217:34
8:51
-0:08
25.2M
25.20 mi14:22:473:30:458:223:19
9:37
+0:46
Finish
26.22 mi14:31:253:39:238:228:38
8:28
-1:09

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

7:53 /mi

Average Pace

8:22 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:02

57% of race

Time at Steady Pace

34:57

16% of race

Time at Slower Pace

59:24

27% of race

Average Pace: 8:22 /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 mi11:17:1925:178:0825:17
8:08
#15617
10K
6.21 mi11:42:0850:068:0424:49
7:59
#14856
15K
9.32 mi12:07:011:14:598:0324:53
8:01
#14344
20K
12.43 mi12:32:031:40:018:0325:02
8:03
#13750
Half
13.11 mi12:37:261:45:248:025:23
7:53
#13653
25K
15.53 mi12:57:042:05:028:0319:38
8:06
#13055
30K
18.64 mi13:23:232:31:218:0726:19
8:28
#12460
20M
20.00 mi13:35:282:43:268:1012:05
8:54
#12335
21M
21.00 mi13:44:552:52:538:149:27
9:27
#12195
35K
21.75 mi13:51:362:59:348:156:41
8:56
#12192
23M
23.00 mi14:02:553:10:538:1811:19
9:02
#12094
24M
24.00 mi14:11:543:19:528:208:59
8:59
#12062
40K
24.85 mi14:19:283:27:268:217:34
8:51
#11964
25.2M
25.20 mi14:22:473:30:458:223:19
9:37
#11902
Finish
26.22 mi14:31:253:39:238:228:38
8:28
#11842
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15617102471024713506(Top 53%)9391(Top 64%)9391(Top 801%)
10K6.21 mi3.10 mi14856+7619968+2799968+27914086(Top 55%)9656(Top 66%)9656(Top 823%)
15K9.32 mi3.11 mi14344+5129769+1999769+19913506(Top 53%)9391(Top 64%)9391(Top 801%)
20K12.43 mi3.11 mi13750+5949506+2639506+26312208(Top 48%)8745(Top 60%)8745(Top 746%)
Half13.11 mi0.68 mi13653+979465+419465+4111927(Top 47%)8607(Top 59%)8607(Top 734%)
25K15.53 mi2.42 mi13055+5989184+2819184+28110785(Top 42%)7901(Top 54%)7901(Top 674%)
30K18.64 mi3.11 mi12460+5958826+3588826+35810500(Top 41%)7543(Top 52%)7543(Top 643%)
20M20.00 mi1.36 mi12335+1258723+1038723+10311554(Top 45%)7737(Top 53%)7737(Top 660%)
21M21.00 mi1.00 mi12195+1408591+1328591+13210618(Top 42%)7066(Top 48%)7066(Top 602%)
35K21.75 mi0.75 mi12192+38552+398552+3912964(Top 51%)8138(Top 56%)8138(Top 694%)
23M23.00 mi1.25 mi12094+988443+1098443+10911357(Top 44%)7248(Top 50%)7248(Top 618%)
24M24.00 mi1.00 mi12062+328379+648379+6412058(Top 47%)7589(Top 52%)7589(Top 647%)
40K24.85 mi0.85 mi11964+988287+928287+9210138(Top 40%)6485(Top 44%)6485(Top 553%)
25.2M25.20 mi0.35 mi11902+628247+408247+409208(Top 36%)5945(Top 41%)5945(Top 507%)
Finish26.22 mi1.02 mi11842+608174+738174+7311342(Top 44%)7173(Top 49%)7173(Top 612%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

13506

Males

9391

M60-64

9391

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14086

Males

9656

M60-64

9656

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

13506

Males

9391

M60-64

9391

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12208

Males

8745

M60-64

8745

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

11927

Males

8607

M60-64

8607

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

10785

Males

7901

M60-64

7901

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10500

Males

7543

M60-64

7543

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11554

Males

7737

M60-64

7737

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

10618

Males

7066

M60-64

7066

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

12964

Males

8138

M60-64

8138

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11357

Males

7248

M60-64

7248

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12058

Males

7589

M60-64

7589

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10138

Males

6485

M60-64

6485

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9208

Males

5945

M60-64

5945

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11342

Males

7173

M60-64

7173

Passing Analysis

Category:
Athletes Passed
4411
Passed By
636
Net Change
+3775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15617
5K → 10K81150+761#15617#14856
10K → 15K55947+512#14856#14344
15K → 20K61117+594#14344#13750
20K → Half1047+97#13750#13653
Half → 25K6057+598#13653#13055
25K → 30K63136+595#13055#12460
30K → 20M19671+125#12460#12335
20M → 21M20363+140#12335#12195
21M → 35K8582+3#12195#12192
35K → 23M17375+98#12192#12094
23M → 24M10371+32#12094#12062
24M → 40K13941+98#12062#11964
40K → 25.2M7311+62#11964#11902
25.2M → Finish11858+60#11902#11842
TOTALS4411636+3775
📊

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