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BOSTON MARATHON 2024

Zheng Chen

Bib: 10221•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 47%
Division (M55-59)
#0 / 1529
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:57
Rank: #7436
Start → 5K
21:57 | 7:04/mi
10K· 6.21 mi
44:30
Rank: #7862 (-426)
5K → 10K
22:33 | 7:15/mi
15K· 9.32 mi
1:07:54
Rank: #8492 (-630)
10K → 15K
23:24 | 7:32/mi
20K· 12.43 mi
1:32:50
Rank: #9387 (-895)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:38:11
Rank: #9508 (-121)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
1:59:50
Rank: #10642 (-1134)
Half → 25K
21:39 | 8:56/mi
30K· 18.64 mi
2:30:05
Rank: #12016 (-1374)
25K → 30K
30:15 | 9:44/mi
20M
2:42:46
Rank: #12140 (-124)
30K → 20M
12:41 | 9:20/mi
21M
2:55:49
Rank: #13030 (-890)
20M → 21M
13:03 | 13:03/mi
35K· 21.75 mi
3:01:47
Rank: #12796 (+234)
21M → 35K
5:58 | 7:59/mi
23M
3:11:57
Rank: #12385 (+411)
35K → 23M
10:10 | 8:07/mi
24M
3:20:12
Rank: #12141 (+244)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:26:44
Rank: #11791 (+350)
24M → 40K
6:32 | 7:38/mi
25.2M
3:30:22
Rank: #11796 (-5)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:38:13
Rank: #11541 (+255)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time2:00:02
Pace9:09 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4521:577:0421:57
7:04
-
10K
6.21 mi11:13:1844:307:1022:33
7:15
+0:11
15K
9.32 mi11:36:421:07:547:1723:24
7:32
+0:17
20K
12.43 mi12:01:381:32:507:2824:56
8:02
+0:30
Half
13.11 mi12:06:591:38:117:295:21
7:50
-0:12
25K
15.53 mi12:28:381:59:507:4321:39
8:56
+1:06
30K
18.64 mi12:58:532:30:058:0330:15
9:44
+0:48
20M
20.00 mi13:11:342:42:468:0812:41
9:20
-0:24
21M
21.00 mi13:24:372:55:498:2213:03
13:03
+3:43
35K
21.75 mi13:30:353:01:478:225:58
7:59
-5:04
23M
23.00 mi13:40:453:11:578:2110:10
8:07
+0:08
24M
24.00 mi13:49:003:20:128:218:15
8:15
+0:08
40K
24.85 mi13:55:323:26:448:196:32
7:38
-0:37
25.2M
25.20 mi13:59:103:30:228:213:38
10:32
+2:54
Finish
26.22 mi14:07:013:38:138:207:51
7:42
-2:50

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

7:04 /mi

Average Pace

8:20 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:30

20% of race

Time at Steady Pace

1:32:27

42% of race

Time at Slower Pace

1:21:16

37% of race

Average Pace: 8:19 /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 mi10:50:4521:577:0421:57
7:04
#7436
10K
6.21 mi11:13:1844:307:1022:33
7:15
#7862
15K
9.32 mi11:36:421:07:547:1723:24
7:32
#8492
20K
12.43 mi12:01:381:32:507:2824:56
8:02
#9387
Half
13.11 mi12:06:591:38:117:295:21
7:50
#9508
25K
15.53 mi12:28:381:59:507:4321:39
8:56
#10642
30K
18.64 mi12:58:532:30:058:0330:15
9:44
#12016
20M
20.00 mi13:11:342:42:468:0812:41
9:20
#12140
21M
21.00 mi13:24:372:55:498:2213:03
13:03
#13030
35K
21.75 mi13:30:353:01:478:225:58
7:59
#12796
23M
23.00 mi13:40:453:11:578:2110:10
8:07
#12385
24M
24.00 mi13:49:003:20:128:218:15
8:15
#12141
40K
24.85 mi13:55:323:26:448:196:32
7:38
#11791
25.2M
25.20 mi13:59:103:30:228:213:38
10:32
#11796
Finish
26.22 mi14:07:013:38:138:207:51
7:42
#11541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7436644764479928(Top 39%)7767(Top 53%)7767(Top 508%)
10K6.21 mi3.10 mi7862-4266702-2556702-2558324(Top 33%)6942(Top 48%)6942(Top 454%)
15K9.32 mi3.11 mi8492-6307065-3637065-3639928(Top 39%)7767(Top 53%)7767(Top 508%)
20K12.43 mi3.11 mi9387-8957527-4627527-46212001(Top 47%)8653(Top 59%)8653(Top 566%)
Half13.11 mi0.68 mi9508-1217582-557582-5511600(Top 45%)8444(Top 58%)8444(Top 552%)
25K15.53 mi2.42 mi10642-11348072-4908072-49015189(Top 59%)9872(Top 68%)9872(Top 646%)
30K18.64 mi3.11 mi12016-13748630-5588630-55816369(Top 64%)10174(Top 70%)10174(Top 665%)
20M20.00 mi1.36 mi12140-1248630863013752(Top 54%)8733(Top 60%)8733(Top 571%)
21M21.00 mi1.00 mi13030-8908947-3178947-31720814(Top 81%)12054(Top 83%)12054(Top 788%)
35K21.75 mi0.75 mi12796+2348818+1298818+1297648(Top 30%)5578(Top 38%)5578(Top 365%)
23M23.00 mi1.25 mi12385+4118571+2478571+2476374(Top 25%)4741(Top 33%)4741(Top 310%)
24M24.00 mi1.00 mi12141+2448411+1608411+1608028(Top 31%)5516(Top 38%)5516(Top 361%)
40K24.85 mi0.85 mi11791+3508208+2038208+2034083(Top 16%)3267(Top 22%)3267(Top 214%)
25.2M25.20 mi0.35 mi11796-58191+178191+1712899(Top 50%)7820(Top 54%)7820(Top 511%)
Finish26.22 mi1.02 mi11541+2558030+1618030+1616762(Top 26%)4754(Top 33%)4754(Top 311%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

9928

Males

7767

M55-59

7767

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8324

Males

6942

M55-59

6942

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

9928

Males

7767

M55-59

7767

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12001

Males

8653

M55-59

8653

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11600

Males

8444

M55-59

8444

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15189

Males

9872

M55-59

9872

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16369

Males

10174

M55-59

10174

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

13752

Males

8733

M55-59

8733

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

20814

Males

12054

M55-59

12054

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7648

Males

5578

M55-59

5578

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6374

Males

4741

M55-59

4741

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8028

Males

5516

M55-59

5516

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4083

Males

3267

M55-59

3267

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

12899

Males

7820

M55-59

7820

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6762

Males

4754

M55-59

4754

Passing Analysis

Category:
Athletes Passed
1953
Passed By
6056
Net Change
-4105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7436
5K → 10K73499-426#7436#7862
10K → 15K46676-630#7862#8492
15K → 20K49944-895#8492#9387
20K → Half10131-121#9387#9508
Half → 25K491181-1134#9508#10642
25K → 30K501424-1374#10642#12016
30K → 20M111235-124#12016#12140
20M → 21M13903-890#12140#13030
21M → 35K2362+234#13030#12796
35K → 23M4132+411#12796#12385
23M → 24M2528+244#12385#12141
24M → 40K3511+350#12141#11791
40K → 25.2M4247-5#11791#11796
25.2M → Finish2583+255#11796#11541
TOTALS19536056-4105
📊

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