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BOSTON MARATHON 2024

Youfeng Zhou

Bib: 3775•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 23%
Gender (Male)
#0 / 14578
Top 34%
Masters (Masters Men)
#0 / 9729
Top 22%
Division (M40-44)
#0 / 2009
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #3539
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
40:46
Rank: #3504 (+35)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:34
Rank: #3616 (-112)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:22:39
Rank: #3613 (+3)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:27:07
Rank: #3558 (+55)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:43:47
Rank: #3520 (+38)
Half → 25K
16:40 | 6:52/mi
30K· 18.64 mi
2:07:10
Rank: #3868 (-348)
25K → 30K
23:23 | 7:32/mi
20M
2:18:08
Rank: #4144 (-276)
30K → 20M
10:58 | 8:04/mi
21M
2:27:47
Rank: #4533 (-389)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
2:34:11
Rank: #4695 (-162)
21M → 35K
6:24 | 8:33/mi
23M
2:45:24
Rank: #4919 (-224)
35K → 23M
11:13 | 8:58/mi
24M
2:54:07
Rank: #5072 (-153)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:02:16
Rank: #5315 (-243)
24M → 40K
8:09 | 9:32/mi
25.2M
3:07:17
Rank: #5731 (-416)
40K → 25.2M
5:01 | 14:33/mi
Finish· 26.22 mi
3:15:23
Rank: #5767 (-36)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:07
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:48:16
Pace8:16 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0320:186:3220:18
6:32
-
10K
6.21 mi10:42:3140:466:3420:28
6:35
+0:03
15K
9.32 mi11:03:191:01:346:3620:48
6:42
+0:07
20K
12.43 mi11:24:241:22:396:3921:05
6:47
+0:05
Half
13.11 mi11:28:521:27:076:394:28
6:33
-0:14
25K
15.53 mi11:45:321:43:476:4116:40
6:52
+0:19
30K
18.64 mi12:08:552:07:106:4923:23
7:32
+0:40
20M
20.00 mi12:19:532:18:086:5410:58
8:04
+0:32
21M
21.00 mi12:29:322:27:477:029:39
9:39
+1:35
35K
21.75 mi12:35:562:34:117:056:24
8:33
-1:06
23M
23.00 mi12:47:092:45:247:1111:13
8:58
+0:25
24M
24.00 mi12:55:522:54:077:158:43
8:43
-0:15
40K
24.85 mi13:04:013:02:167:208:09
9:32
+0:49
25.2M
25.20 mi13:09:023:07:177:265:01
14:33
+5:01
Finish
26.22 mi13:17:083:15:237:278:06
7:57
-6:36

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

6:32 /mi

Average Pace

7:27 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:47

53% of race

Time at Steady Pace

57:34

29% of race

Time at Slower Pace

34:02

17% of race

Average Pace: 7:27 /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 mi10:22:0320:186:3220:18
6:32
#3539
10K
6.21 mi10:42:3140:466:3420:28
6:35
#3504
15K
9.32 mi11:03:191:01:346:3620:48
6:42
#3616
20K
12.43 mi11:24:241:22:396:3921:05
6:47
#3613
Half
13.11 mi11:28:521:27:076:394:28
6:33
#3558
25K
15.53 mi11:45:321:43:476:4116:40
6:52
#3520
30K
18.64 mi12:08:552:07:106:4923:23
7:32
#3868
20M
20.00 mi12:19:532:18:086:5410:58
8:04
#4144
21M
21.00 mi12:29:322:27:477:029:39
9:39
#4533
35K
21.75 mi12:35:562:34:117:056:24
8:33
#4695
23M
23.00 mi12:47:092:45:247:1111:13
8:58
#4919
24M
24.00 mi12:55:522:54:077:158:43
8:43
#5072
40K
24.85 mi13:04:013:02:167:208:09
9:32
#5315
25.2M
25.20 mi13:09:023:07:177:265:01
14:33
#5731
Finish
26.22 mi13:17:083:15:237:278:06
7:57
#5767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3539336733673901(Top 15%)3672(Top 25%)3672(Top 183%)
10K6.21 mi3.10 mi3504+353327+403327+403532(Top 14%)3347(Top 23%)3347(Top 167%)
15K9.32 mi3.11 mi3616-1123434-1073434-1073901(Top 15%)3672(Top 25%)3672(Top 183%)
20K12.43 mi3.11 mi3613+33428+63428+63771(Top 15%)3546(Top 24%)3546(Top 177%)
Half13.11 mi0.68 mi3558+553378+503378+502894(Top 11%)2764(Top 19%)2764(Top 138%)
25K15.53 mi2.42 mi3520+383337+413337+413647(Top 14%)3397(Top 23%)3397(Top 169%)
30K18.64 mi3.11 mi3868-3483627-2903627-2905219(Top 20%)4507(Top 31%)4507(Top 224%)
20M20.00 mi1.36 mi4144-2763847-2203847-2207145(Top 28%)5513(Top 38%)5513(Top 274%)
21M21.00 mi1.00 mi4533-3894153-3064153-30611449(Top 45%)7433(Top 51%)7433(Top 370%)
35K21.75 mi0.75 mi4695-1624267-1144267-11411006(Top 43%)7211(Top 49%)7211(Top 359%)
23M23.00 mi1.25 mi4919-2244398-1314398-13110930(Top 43%)7034(Top 48%)7034(Top 350%)
24M24.00 mi1.00 mi5072-1534488-904488-9010640(Top 42%)6854(Top 47%)6854(Top 341%)
40K24.85 mi0.85 mi5315-2434632-1444632-14413208(Top 52%)8020(Top 55%)8020(Top 399%)
25.2M25.20 mi0.35 mi5731-4164905-2734905-27322406(Top 88%)12699(Top 87%)12699(Top 632%)
Finish26.22 mi1.02 mi5767-364909-44909-48199(Top 32%)5494(Top 38%)5494(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3901

Males

3672

M40-44

3672

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3532

Males

3347

M40-44

3347

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3901

Males

3672

M40-44

3672

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3771

Males

3546

M40-44

3546

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2894

Males

2764

M40-44

2764

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3647

Males

3397

M40-44

3397

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5219

Males

4507

M40-44

4507

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7145

Males

5513

M40-44

5513

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11449

Males

7433

M40-44

7433

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11006

Males

7211

M40-44

7211

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

10930

Males

7034

M40-44

7034

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

10640

Males

6854

M40-44

6854

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13208

Males

8020

M40-44

8020

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

22406

Males

12699

M40-44

12699

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8199

Males

5494

M40-44

5494

Passing Analysis

Category:
Athletes Passed
881
Passed By
3109
Net Change
-2228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3539
5K → 10K150115+35#3539#3504
10K → 15K70182-112#3504#3616
15K → 20K133130+3#3616#3613
20K → Half583+55#3613#3558
Half → 25K143105+38#3558#3520
25K → 30K93441-348#3520#3868
30K → 20M44320-276#3868#4144
20M → 21M24413-389#4144#4533
21M → 35K22184-162#4533#4695
35K → 23M39263-224#4695#4919
23M → 24M28181-153#4919#5072
24M → 40K29272-243#5072#5315
40K → 25.2M2418-416#5315#5731
25.2M → Finish4682-36#5731#5767
TOTALS8813109-2228
📊

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