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BOSTON MARATHON 2024

Li Zhou

Bib: 1241•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 4%
Gender (Male)
#0 / 14578
Top 7%
Masters (Masters Men)
#0 / 9729
Top 2%
Division (M40-44)
#0 / 2009
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:38
Rank: #920
Start → 5K
18:38 | 6:00/mi
10K· 6.21 mi
38:01
Rank: #1257 (-337)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
57:28
Rank: #1347 (-90)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:16:40
Rank: #1236 (+111)
15K → 20K
19:12 | 6:11/mi
Half· 13.11 mi
1:20:49
Rank: #1202 (+34)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:54
Rank: #1124 (+78)
Half → 25K
15:05 | 6:13/mi
30K· 18.64 mi
1:56:22
Rank: #1110 (+14)
25K → 30K
20:28 | 6:35/mi
20M
2:05:36
Rank: #1107 (+3)
30K → 20M
9:14 | 6:48/mi
21M
2:13:02
Rank: #1131 (-24)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:17:52
Rank: #1111 (+20)
21M → 35K
4:50 | 6:28/mi
23M
2:26:16
Rank: #1091 (+20)
35K → 23M
8:24 | 6:43/mi
24M
2:32:47
Rank: #1058 (+33)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:38:41
Rank: #1050 (+8)
24M → 40K
5:54 | 6:54/mi
25.2M
2:41:22
Rank: #1054 (-4)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:48:11
Rank: #1056 (-2)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:49
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0418:386:0018:38
6:00
-
10K
6.21 mi10:38:2738:016:0719:23
6:14
+0:14
15K
9.32 mi10:57:5457:286:1019:27
6:16
+0:02
20K
12.43 mi11:17:061:16:406:1019:12
6:11
-0:05
Half
13.11 mi11:21:151:20:496:104:09
6:05
-0:06
25K
15.53 mi11:36:201:35:546:1015:05
6:13
+0:08
30K
18.64 mi11:56:481:56:226:1520:28
6:35
+0:22
20M
20.00 mi12:06:022:05:366:179:14
6:48
+0:13
21M
21.00 mi12:13:282:13:026:207:26
7:26
+0:38
35K
21.75 mi12:18:182:17:526:204:50
6:28
-0:58
23M
23.00 mi12:26:422:26:166:228:24
6:43
+0:15
24M
24.00 mi12:33:132:32:476:226:31
6:31
-0:12
40K
24.85 mi12:39:072:38:416:235:54
6:54
+0:23
25.2M
25.20 mi12:41:482:41:226:242:41
7:47
+0:53
Finish
26.22 mi12:48:372:48:116:256:49
6:41
-1:06

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

6:00 /mi

Average Pace

6:25 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:54

57% of race

Time at Steady Pace

47:02

28% of race

Time at Slower Pace

25:15

15% of race

Average Pace: 6:25 /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 mi10:19:0418:386:0018:38
6:00
#920
10K
6.21 mi10:38:2738:016:0719:23
6:14
#1257
15K
9.32 mi10:57:5457:286:1019:27
6:16
#1347
20K
12.43 mi11:17:061:16:406:1019:12
6:11
#1236
Half
13.11 mi11:21:151:20:496:104:09
6:05
#1202
25K
15.53 mi11:36:201:35:546:1015:05
6:13
#1124
30K
18.64 mi11:56:481:56:226:1520:28
6:35
#1110
20M
20.00 mi12:06:022:05:366:179:14
6:48
#1107
21M
21.00 mi12:13:282:13:026:207:26
7:26
#1131
35K
21.75 mi12:18:182:17:526:204:50
6:28
#1111
23M
23.00 mi12:26:422:26:166:228:24
6:43
#1091
24M
24.00 mi12:33:132:32:476:226:31
6:31
#1058
40K
24.85 mi12:39:072:38:416:235:54
6:54
#1050
25.2M
25.20 mi12:41:482:41:226:242:41
7:47
#1054
Finish
26.22 mi12:48:372:48:116:256:49
6:41
#1056
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9208858851585(Top 6%)1533(Top 11%)1533(Top 76%)
10K6.21 mi3.10 mi1257-3371217-3321217-3321646(Top 6%)1594(Top 11%)1594(Top 79%)
15K9.32 mi3.11 mi1347-901307-901307-901585(Top 6%)1533(Top 11%)1533(Top 76%)
20K12.43 mi3.11 mi1236+1111197+1101197+1101010(Top 4%)974(Top 7%)974(Top 48%)
Half13.11 mi0.68 mi1202+341163+341163+34994(Top 4%)960(Top 7%)960(Top 48%)
25K15.53 mi2.42 mi1124+781087+761087+76902(Top 4%)869(Top 6%)869(Top 43%)
30K18.64 mi3.11 mi1110+141072+151072+151286(Top 5%)1229(Top 8%)1229(Top 61%)
20M20.00 mi1.36 mi1107+31068+41068+41564(Top 6%)1482(Top 10%)1482(Top 74%)
21M21.00 mi1.00 mi1131-241089-211089-212271(Top 9%)2090(Top 14%)2090(Top 104%)
35K21.75 mi0.75 mi1111+201067+221067+221146(Top 4%)1080(Top 7%)1080(Top 54%)
23M23.00 mi1.25 mi1091+201047+201047+201076(Top 4%)1010(Top 7%)1010(Top 50%)
24M24.00 mi1.00 mi1058+331014+331014+33987(Top 4%)921(Top 6%)921(Top 46%)
40K24.85 mi0.85 mi1050+81005+91005+91562(Top 6%)1428(Top 10%)1428(Top 71%)
25.2M25.20 mi0.35 mi1054-41008-31008-32072(Top 8%)1817(Top 12%)1817(Top 90%)
Finish26.22 mi1.02 mi1056-21009-11009-11935(Top 8%)1695(Top 12%)1695(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1585

Males

1533

M40-44

1533

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1646

Males

1594

M40-44

1594

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1585

Males

1533

M40-44

1533

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1010

Males

974

M40-44

974

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

994

Males

960

M40-44

960

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

902

Males

869

M40-44

869

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1286

Males

1229

M40-44

1229

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1564

Males

1482

M40-44

1482

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2271

Males

2090

M40-44

2090

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1146

Males

1080

M40-44

1080

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1076

Males

1010

M40-44

1010

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

987

Males

921

M40-44

921

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1562

Males

1428

M40-44

1428

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2072

Males

1817

M40-44

1817

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

1935

Males

1695

M40-44

1695

Passing Analysis

Category:
Athletes Passed
583
Passed By
719
Net Change
-136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#920
5K → 10K1338-337#920#1257
10K → 15K36126-90#1257#1347
15K → 20K1154+111#1347#1236
20K → Half340+34#1236#1202
Half → 25K9315+78#1202#1124
25K → 30K7359+14#1124#1110
30K → 20M4037+3#1110#1107
20M → 21M2852-24#1107#1131
21M → 35K3010+20#1131#1111
35K → 23M3414+20#1111#1091
23M → 24M429+33#1091#1058
24M → 40K2416+8#1058#1050
40K → 25.2M1014-4#1050#1054
25.2M → Finish2325-2#1054#1056
TOTALS583719-136
📊

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