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BOSTON MARATHON 2024

George Zhao

Bib: 7266•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 18%
Gender (Male)
#0 / 14578
Top 28%
Masters (Masters Men)
#0 / 9729
Top 16%
Division (M50-54)
#0 / 1935
Top 12%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #4289
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:32
Rank: #4415 (-126)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:02:43
Rank: #4552 (-137)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:24:09
Rank: #4515 (+37)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:28:46
Rank: #4495 (+20)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:48
Rank: #4427 (+68)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:08:50
Rank: #4504 (-77)
25K → 30K
23:02 | 7:25/mi
20M
2:19:01
Rank: #4415 (+89)
30K → 20M
10:11 | 7:30/mi
21M
2:27:03
Rank: #4331 (+84)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:32:38
Rank: #4309 (+22)
21M → 35K
5:35 | 7:28/mi
23M
2:42:20
Rank: #4220 (+89)
35K → 23M
9:42 | 7:45/mi
24M
2:50:04
Rank: #4192 (+28)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
2:57:15
Rank: #4244 (-52)
24M → 40K
7:11 | 8:24/mi
25.2M
3:00:36
Rank: #4297 (-53)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:09:45
Rank: #4594 (-297)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:46
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:40:59
Pace7:42 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1420:376:3820:37
6:38
-
10K
6.21 mi10:48:0941:326:4120:55
6:44
+0:06
15K
9.32 mi11:09:201:02:436:4421:11
6:49
+0:05
20K
12.43 mi11:30:461:24:096:4621:26
6:54
+0:05
Half
13.11 mi11:35:231:28:466:464:37
6:46
-0:08
25K
15.53 mi11:52:251:45:486:4917:02
7:02
+0:16
30K
18.64 mi12:15:272:08:506:5523:02
7:25
+0:23
20M
20.00 mi12:25:382:19:016:5710:11
7:30
+0:05
21M
21.00 mi12:33:402:27:037:008:02
8:02
+0:32
35K
21.75 mi12:39:152:32:387:015:35
7:28
-0:34
23M
23.00 mi12:48:572:42:207:039:42
7:45
+0:17
24M
24.00 mi12:56:412:50:047:057:44
7:44
-0:01
40K
24.85 mi13:03:522:57:157:087:11
8:24
+0:40
25.2M
25.20 mi13:07:133:00:367:103:21
9:43
+1:19
Finish
26.22 mi13:16:223:09:457:159:09
8:59
-0:44

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

6:38 /mi

Average Pace

7:15 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:48

56% of race

Time at Steady Pace

56:14

30% of race

Time at Slower Pace

27:43

15% of race

Average Pace: 7:14 /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 mi10:27:1420:376:3820:37
6:38
#4289
10K
6.21 mi10:48:0941:326:4120:55
6:44
#4415
15K
9.32 mi11:09:201:02:436:4421:11
6:49
#4552
20K
12.43 mi11:30:461:24:096:4621:26
6:54
#4515
Half
13.11 mi11:35:231:28:466:464:37
6:46
#4495
25K
15.53 mi11:52:251:45:486:4917:02
7:02
#4427
30K
18.64 mi12:15:272:08:506:5523:02
7:25
#4504
20M
20.00 mi12:25:382:19:016:5710:11
7:30
#4415
21M
21.00 mi12:33:402:27:037:008:02
8:02
#4331
35K
21.75 mi12:39:152:32:387:015:35
7:28
#4309
23M
23.00 mi12:48:572:42:207:039:42
7:45
#4220
24M
24.00 mi12:56:412:50:047:057:44
7:44
#4192
40K
24.85 mi13:03:522:57:157:087:11
8:24
#4244
25.2M
25.20 mi13:07:133:00:367:103:21
9:43
#4297
Finish
26.22 mi13:16:223:09:457:159:09
8:59
#4594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4289403840384898(Top 19%)4520(Top 31%)4520(Top 234%)
10K6.21 mi3.10 mi4415-1264144-1064144-1064592(Top 18%)4278(Top 29%)4278(Top 221%)
15K9.32 mi3.11 mi4552-1374246-1024246-1024898(Top 19%)4520(Top 31%)4520(Top 234%)
20K12.43 mi3.11 mi4515+374202+444202+444619(Top 18%)4255(Top 29%)4255(Top 220%)
Half13.11 mi0.68 mi4495+204179+234179+234274(Top 17%)3978(Top 27%)3978(Top 206%)
25K15.53 mi2.42 mi4427+684121+584121+584466(Top 17%)4081(Top 28%)4081(Top 211%)
30K18.64 mi3.11 mi4504-774158-374158-374689(Top 18%)4128(Top 28%)4128(Top 213%)
20M20.00 mi1.36 mi4415+894068+904068+904284(Top 17%)3756(Top 26%)3756(Top 194%)
21M21.00 mi1.00 mi4331+843984+843984+844290(Top 17%)3643(Top 25%)3643(Top 188%)
35K21.75 mi0.75 mi4309+223954+303954+304872(Top 19%)4021(Top 28%)4021(Top 208%)
23M23.00 mi1.25 mi4220+893857+973857+974553(Top 18%)3718(Top 26%)3718(Top 192%)
24M24.00 mi1.00 mi4192+283811+463811+465188(Top 20%)4012(Top 28%)4012(Top 207%)
40K24.85 mi0.85 mi4244-523834-233834-237815(Top 31%)5273(Top 36%)5273(Top 273%)
25.2M25.20 mi0.35 mi4297-533863-293863-299580(Top 37%)6100(Top 42%)6100(Top 315%)
Finish26.22 mi1.02 mi4594-2974071-2084071-20814050(Top 55%)8505(Top 58%)8505(Top 440%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4898

Males

4520

M50-54

4520

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4592

Males

4278

M50-54

4278

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4898

Males

4520

M50-54

4520

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4619

Males

4255

M50-54

4255

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4274

Males

3978

M50-54

3978

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4466

Males

4081

M50-54

4081

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4689

Males

4128

M50-54

4128

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4284

Males

3756

M50-54

3756

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4290

Males

3643

M50-54

3643

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4872

Males

4021

M50-54

4021

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4553

Males

3718

M50-54

3718

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5188

Males

4012

M50-54

4012

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7815

Males

5273

M50-54

5273

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9580

Males

6100

M50-54

6100

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14050

Males

8505

M50-54

8505

Passing Analysis

Category:
Athletes Passed
1385
Passed By
1690
Net Change
-305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4289
5K → 10K130256-126#4289#4415
10K → 15K88225-137#4415#4552
15K → 20K168131+37#4552#4515
20K → Half3919+20#4515#4495
Half → 25K176108+68#4495#4427
25K → 30K172249-77#4427#4504
30K → 20M13445+89#4504#4415
20M → 21M12440+84#4415#4331
21M → 35K6442+22#4331#4309
35K → 23M13546+89#4309#4220
23M → 24M8254+28#4220#4192
24M → 40K48100-52#4192#4244
40K → 25.2M1366-53#4244#4297
25.2M → Finish12309-297#4297#4594
TOTALS13851690-305
📊

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