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BOSTON MARATHON 2024

Jianmin Chen

Bib: 7195•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 27%
Gender (Male)
#0 / 14578
Top 39%
Masters (Masters Men)
#0 / 9729
Top 27%
Division (M45-49)
#0 / 2218
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #4708
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
42:06
Rank: #5215 (-507)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:03:48
Rank: #5539 (-324)
10K → 15K
21:42 | 6:59/mi
20K· 12.43 mi
1:26:40
Rank: #6004 (-465)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:31:45
Rank: #6121 (-117)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:50:16
Rank: #6317 (-196)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:15:23
Rank: #6555 (-238)
25K → 30K
25:07 | 8:05/mi
20M
2:26:41
Rank: #6651 (-96)
30K → 20M
11:18 | 8:19/mi
21M
2:35:41
Rank: #6660 (-9)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:41:45
Rank: #6656 (+4)
21M → 35K
6:04 | 8:07/mi
23M
2:52:34
Rank: #6716 (-60)
35K → 23M
10:49 | 8:38/mi
24M
3:01:03
Rank: #6782 (-66)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:08:25
Rank: #6839 (-57)
24M → 40K
7:22 | 8:37/mi
25.2M
3:11:41
Rank: #6842 (-3)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:19:57
Rank: #6891 (-49)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:48:12
Pace8:15 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4920:466:4120:46
6:41
-
10K
6.21 mi10:49:0942:066:4721:20
6:52
+0:11
15K
9.32 mi11:10:511:03:486:5121:42
6:59
+0:07
20K
12.43 mi11:33:431:26:406:5822:52
7:22
+0:23
Half
13.11 mi11:38:481:31:457:005:05
7:27
+0:05
25K
15.53 mi11:57:191:50:167:0618:31
7:38
+0:11
30K
18.64 mi12:22:262:15:237:1625:07
8:05
+0:27
20M
20.00 mi12:33:442:26:417:2011:18
8:19
+0:14
21M
21.00 mi12:42:442:35:417:259:00
9:00
+0:41
35K
21.75 mi12:48:482:41:457:266:04
8:07
-0:53
23M
23.00 mi12:59:372:52:347:3010:49
8:38
+0:31
24M
24.00 mi13:08:063:01:037:338:29
8:29
-0:09
40K
24.85 mi13:15:283:08:257:357:22
8:37
+0:08
25.2M
25.20 mi13:18:443:11:417:363:16
9:28
+0:51
Finish
26.22 mi13:27:003:19:577:388:16
8:07
-1:21

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

6:41 /mi

Average Pace

7:38 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:16

55% of race

Time at Steady Pace

59:14

30% of race

Time at Slower Pace

30:27

15% of race

Average Pace: 7:38 /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 mi10:27:4920:466:4120:46
6:41
#4708
10K
6.21 mi10:49:0942:066:4721:20
6:52
#5215
15K
9.32 mi11:10:511:03:486:5121:42
6:59
#5539
20K
12.43 mi11:33:431:26:406:5822:52
7:22
#6004
Half
13.11 mi11:38:481:31:457:005:05
7:27
#6121
25K
15.53 mi11:57:191:50:167:0618:31
7:38
#6317
30K
18.64 mi12:22:262:15:237:1625:07
8:05
#6555
20M
20.00 mi12:33:442:26:417:2011:18
8:19
#6651
21M
21.00 mi12:42:442:35:417:259:00
9:00
#6660
35K
21.75 mi12:48:482:41:457:266:04
8:07
#6656
23M
23.00 mi12:59:372:52:347:3010:49
8:38
#6716
24M
24.00 mi13:08:063:01:037:338:29
8:29
#6782
40K
24.85 mi13:15:283:08:257:357:22
8:37
#6839
25.2M
25.20 mi13:18:443:11:417:363:16
9:28
#6842
Finish
26.22 mi13:27:003:19:577:388:16
8:07
#6891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4708438643866128(Top 24%)5473(Top 38%)5473(Top 247%)
10K6.21 mi3.10 mi5215-5074818-4324818-4325759(Top 23%)5234(Top 36%)5234(Top 236%)
15K9.32 mi3.11 mi5539-3245079-2615079-2616128(Top 24%)5473(Top 38%)5473(Top 247%)
20K12.43 mi3.11 mi6004-4655401-3225401-3227351(Top 29%)6210(Top 43%)6210(Top 280%)
Half13.11 mi0.68 mi6121-1175476-755476-758676(Top 34%)6984(Top 48%)6984(Top 315%)
25K15.53 mi2.42 mi6317-1965581-1055581-1057854(Top 31%)6335(Top 43%)6335(Top 286%)
30K18.64 mi3.11 mi6555-2385697-1165697-1168349(Top 33%)6413(Top 44%)6413(Top 289%)
20M20.00 mi1.36 mi6651-965715-185715-188441(Top 33%)6212(Top 43%)6212(Top 280%)
21M21.00 mi1.00 mi6660-95682+335682+338577(Top 34%)6075(Top 42%)6075(Top 274%)
35K21.75 mi0.75 mi6656+45654+285654+288418(Top 33%)5965(Top 41%)5965(Top 269%)
23M23.00 mi1.25 mi6716-605645+95645+99194(Top 36%)6193(Top 42%)6193(Top 279%)
24M24.00 mi1.00 mi6782-66564556459324(Top 36%)6198(Top 43%)6198(Top 279%)
40K24.85 mi0.85 mi6839-575638+75638+78919(Top 35%)5854(Top 40%)5854(Top 264%)
25.2M25.20 mi0.35 mi6842-35622+165622+168584(Top 34%)5610(Top 38%)5610(Top 253%)
Finish26.22 mi1.02 mi6891-495613+95613+99213(Top 36%)6035(Top 41%)6035(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6128

Males

5473

M45-49

5473

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5759

Males

5234

M45-49

5234

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6128

Males

5473

M45-49

5473

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7351

Males

6210

M45-49

6210

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8676

Males

6984

M45-49

6984

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7854

Males

6335

M45-49

6335

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8349

Males

6413

M45-49

6413

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8441

Males

6212

M45-49

6212

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8577

Males

6075

M45-49

6075

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8418

Males

5965

M45-49

5965

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9194

Males

6193

M45-49

6193

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9324

Males

6198

M45-49

6198

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

8919

Males

5854

M45-49

5854

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8584

Males

5610

M45-49

5610

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9213

Males

6035

M45-49

6035

Passing Analysis

Category:
Athletes Passed
1071
Passed By
3254
Net Change
-2183
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4708
5K → 10K57564-507#4708#5215
10K → 15K65389-324#5215#5539
15K → 20K66531-465#5539#6004
20K → Half8125-117#6004#6121
Half → 25K89285-196#6121#6317
25K → 30K148386-238#6317#6555
30K → 20M92188-96#6555#6651
20M → 21M110119-9#6651#6660
21M → 35K7167+4#6660#6656
35K → 23M107167-60#6656#6716
23M → 24M73139-66#6716#6782
24M → 40K80137-57#6782#6839
40K → 25.2M3942-3#6839#6842
25.2M → Finish66115-49#6842#6891
TOTALS10713254-2183
📊

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