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BOSTON MARATHON 2024

Jermin Chou

Bib: 12307•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Male)
#0 / 14578
Top 48%
Masters (Masters Men)
#0 / 9729
Top 38%
Division (M55-59)
#0 / 1529
Top 23%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #11826
Start → 5K
7:38/mi
23:44 split
10K· 6.21 mi
48:24
Rank: #12782 (-956)
5K → 10K
7:56/mi
24:40 split
15K· 9.32 mi
1:12:34
Rank: #12397 (+385)
10K → 15K
7:47/mi
24:10 split
20K· 12.43 mi
1:37:29
Rank: #12222 (+175)
15K → 20K
8:01/mi
24:55 split
Half· 13.11 mi
1:42:51
Rank: #12185 (+37)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:02:12
Rank: #11727 (+458)
Half → 25K
7:59/mi
19:21 split
30K· 18.64 mi
2:27:13
Rank: #10922 (+805)
25K → 30K
8:03/mi
25:01 split
20M
2:38:00
Rank: #10499 (+423)
30K → 20M
7:56/mi
10:47 split
21M
2:46:31
Rank: #10145 (+354)
20M → 21M
8:31/mi
8:31 split
35K· 21.75 mi
2:52:24
Rank: #9979 (+166)
21M → 35K
7:52/mi
5:53 split
23M
3:02:27
Rank: #9646 (+333)
35K → 23M
8:02/mi
10:03 split
24M
3:10:26
Rank: #9451 (+195)
23M → 24M
7:59/mi
7:59 split
40K· 24.85 mi
3:17:08
Rank: #9236 (+215)
24M → 40K
7:50/mi
6:42 split
25.2M
3:20:13
Rank: #9140 (+96)
40K → 25.2M
8:56/mi
3:05 split
Finish· 26.22 mi
3:28:56
Rank: #9267 (-127)
25.2M → Finish
8:33/mi
8:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2323:447:3823:44
7:38
-
10K
6.21 mi11:17:0348:247:4724:40
7:56
+0:18
15K
9.32 mi11:41:131:12:347:4724:10
7:47
-0:09
20K
12.43 mi12:06:081:37:297:5124:55
8:01
+0:14
Half
13.11 mi12:11:301:42:517:515:22
7:52
-0:09
25K
15.53 mi12:30:512:02:127:5219:21
7:59
+0:07
30K
18.64 mi12:55:522:27:137:5425:01
8:03
+0:04
20M
20.00 mi13:06:392:38:007:5410:47
7:56
-0:07
21M
21.00 mi13:15:102:46:317:568:31
8:31
+0:35
35K
21.75 mi13:21:032:52:247:565:53
7:52
-0:39
23M
23.00 mi13:31:063:02:277:5610:03
8:02
+0:10
24M
24.00 mi13:39:053:10:267:567:59
7:59
-0:03
40K
24.85 mi13:45:473:17:087:566:42
7:50
-0:09
25.2M
25.20 mi13:48:523:20:137:573:05
8:56
+1:06
Finish
26.22 mi13:57:353:28:567:588:43
8:33
-0:23

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

7:38 /mi

Average Pace

7:58 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:37

90% of race

Time at Steady Pace

20:19

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:52:2323:447:3823:44
7:38
#11826
10K
6.21 mi11:17:0348:247:4724:40
7:56
#12782
15K
9.32 mi11:41:131:12:347:4724:10
7:47
#12397
20K
12.43 mi12:06:081:37:297:5124:55
8:01
#12222
Half
13.11 mi12:11:301:42:517:515:22
7:52
#12185
25K
15.53 mi12:30:512:02:127:5219:21
7:59
#11727
30K
18.64 mi12:55:522:27:137:5425:01
8:03
#10922
20M
20.00 mi13:06:392:38:007:5410:47
7:56
#10499
21M
21.00 mi13:15:102:46:317:568:31
8:31
#10145
35K
21.75 mi13:21:032:52:247:565:53
7:52
#9979
23M
23.00 mi13:31:063:02:277:5610:03
8:02
#9646
24M
24.00 mi13:39:053:10:267:567:59
7:59
#9451
40K
24.85 mi13:45:473:17:087:566:42
7:50
#9236
25.2M
25.20 mi13:48:523:20:137:573:05
8:56
#9140
Finish
26.22 mi13:57:353:28:567:588:43
8:33
#9267
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi118268769876911746(Top 46%)8619(Top 59%)8619(Top 564%)
10K6.21 mi3.10 mi12782-9569135-3669135-36613736(Top 54%)9510(Top 65%)9510(Top 622%)
15K9.32 mi3.11 mi12397+3858957+1788957+17811746(Top 46%)8619(Top 59%)8619(Top 564%)
20K12.43 mi3.11 mi12222+1758847+1108847+11011952(Top 47%)8629(Top 59%)8629(Top 564%)
Half13.11 mi0.68 mi12185+378829+188829+1811742(Top 46%)8504(Top 58%)8504(Top 556%)
25K15.53 mi2.42 mi11727+4588592+2378592+23710056(Top 39%)7521(Top 52%)7521(Top 492%)
30K18.64 mi3.11 mi10922+8058109+4838109+4838157(Top 32%)6302(Top 43%)6302(Top 412%)
20M20.00 mi1.36 mi10499+4237849+2607849+2606404(Top 25%)5103(Top 35%)5103(Top 334%)
21M21.00 mi1.00 mi10145+3547620+2297620+2296303(Top 25%)4870(Top 33%)4870(Top 319%)
35K21.75 mi0.75 mi9979+1667499+1217499+1216957(Top 27%)5218(Top 36%)5218(Top 341%)
23M23.00 mi1.25 mi9646+3337268+2317268+2315893(Top 23%)4475(Top 31%)4475(Top 293%)
24M24.00 mi1.00 mi9451+1957125+1437125+1436553(Top 26%)4753(Top 33%)4753(Top 311%)
40K24.85 mi0.85 mi9236+2156976+1496976+1494968(Top 19%)3787(Top 26%)3787(Top 248%)
25.2M25.20 mi0.35 mi9140+966901+756901+756272(Top 25%)4425(Top 30%)4425(Top 289%)
Finish26.22 mi1.02 mi9267-1276929-286929-2811792(Top 46%)7395(Top 51%)7395(Top 484%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

11746

Males

8619

M55-59

8619

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

13736

Males

9510

M55-59

9510

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

11746

Males

8619

M55-59

8619

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

11952

Males

8629

M55-59

8629

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

11742

Males

8504

M55-59

8504

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10056

Males

7521

M55-59

7521

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8157

Males

6302

M55-59

6302

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6404

Males

5103

M55-59

5103

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6303

Males

4870

M55-59

4870

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6957

Males

5218

M55-59

5218

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5893

Males

4475

M55-59

4475

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6553

Males

4753

M55-59

4753

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4968

Males

3787

M55-59

3787

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6272

Males

4425

M55-59

4425

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

11792

Males

7395

M55-59

7395

Passing Analysis

Category:
Athletes Passed
4079*
Passed By
1520
Net Change
+2559
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11826
5K → 10K651021-956#11826#12782
10K → 15K45065+385#12782#12397
15K → 20K311136+175#12397#12222
20K → Half5619+37#12222#12185
Half → 25K49032+458#12185#11727
25K → 30K81611+805#11727#10922
30K → 20M4274+423#10922#10499
20M → 21M3595+354#10499#10145
21M → 35K173*7+166#10145#9979
35K → 23M34512+333#9979#9646
23M → 24M212*17+195#9646#9451
24M → 40K2172+215#9451#9236
40K → 25.2M1026+96#9236#9140
25.2M → Finish56183-127#9140#9267
TOTALS4079*1520+2559

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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