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BOSTON MARATHON 2024

Chen Liang Jian

Bib: 28969•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 40%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 41%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:02
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:33:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:38:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
1:58:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:24:41
↑ 181↓ 1480.2%
20M
8:51/mi
2:36:42
↑ 64↓ 500.2%
21M
9:42/mi
2:46:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:52:38
↑ 17↓ 861.7%
23M
8:52/mi
3:03:44
↑ 23↓ 630.6%
24M
8:45/mi
3:12:29
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:20:08
↓ 200.3%
25.2M
10:41/mi
3:23:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:32:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:47
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:53:42
Pace8:40 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2023:097:2723:09
7:27
-
10K
6.21 mi12:05:5745:467:2222:37
7:17
-0:10
15K
9.32 mi12:29:131:09:027:2423:16
7:29
+0:12
20K
12.43 mi12:53:431:33:327:3224:30
7:53
+0:24
Half
13.11 mi12:58:581:38:477:325:15
7:42
-0:11
25K
15.53 mi13:18:321:58:217:3719:34
8:04
+0:22
30K
18.64 mi13:44:522:24:417:4626:20
8:29
+0:25
20M
20.00 mi13:56:532:36:427:5012:01
8:51
+0:22
21M
21.00 mi14:06:352:46:247:559:42
9:42
+0:51
35K
21.75 mi14:12:492:52:387:566:14
8:20
-1:22
23M
23.00 mi14:23:553:03:447:5911:06
8:52
+0:32
24M
24.00 mi14:32:403:12:298:018:45
8:45
-0:07
40K
24.85 mi14:40:193:20:088:037:39
8:57
+0:12
25.2M
25.20 mi14:44:003:23:498:053:41
10:41
+1:44
Finish
26.22 mi14:52:403:32:298:078:40
8:30
-2:11

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

7:17 /mi

Average Pace

8:07 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:47

46% of race

Time at Steady Pace

1:32:40

44% of race

Time at Slower Pace

21:02

10% of race

Average Pace: 8:06 /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 mi11:43:2023:097:2723:09
7:27
#10342
10K
6.21 mi12:05:5745:467:2222:37
7:17
#9375
15K
9.32 mi12:29:131:09:027:2423:16
7:29
#9402
20K
12.43 mi12:53:431:33:327:3224:30
7:53
#9834
Half
13.11 mi12:58:581:38:477:325:15
7:42
#9857
25K
15.53 mi13:18:321:58:217:3719:34
8:04
#9922
30K
18.64 mi13:44:522:24:417:4626:20
8:29
#9989
20M
20.00 mi13:56:532:36:427:5012:01
8:51
#10023
21M
21.00 mi14:06:352:46:247:559:42
9:42
#10113
35K
21.75 mi14:12:492:52:387:566:14
8:20
#10070
23M
23.00 mi14:23:553:03:447:5911:06
8:52
#10043
24M
24.00 mi14:32:403:12:298:018:45
8:45
#10051
40K
24.85 mi14:40:193:20:088:037:39
8:57
#10058
25.2M
25.20 mi14:44:003:23:498:053:41
10:41
#10126
Finish
26.22 mi14:52:403:32:298:078:40
8:30
#10154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10342812381239591(Top 38%)7600(Top 52%)7600(Top 343%)
10K6.21 mi3.10 mi9375+9677591+5327591+5328503(Top 33%)7052(Top 48%)7052(Top 318%)
15K9.32 mi3.11 mi9402-277571+207571+209591(Top 38%)7600(Top 52%)7600(Top 343%)
20K12.43 mi3.11 mi9834-4327752-1817752-18111018(Top 43%)8171(Top 56%)8171(Top 368%)
Half13.11 mi0.68 mi9857-237751+17751+110510(Top 41%)7930(Top 54%)7930(Top 358%)
25K15.53 mi2.42 mi9922-657717+347717+3410628(Top 42%)7813(Top 54%)7813(Top 352%)
30K18.64 mi3.11 mi9989-677654+637654+6310521(Top 41%)7551(Top 52%)7551(Top 340%)
20M20.00 mi1.36 mi10023-347609+457609+4511280(Top 44%)7619(Top 52%)7619(Top 344%)
21M21.00 mi1.00 mi10113-907604+57604+511680(Top 46%)7548(Top 52%)7548(Top 340%)
35K21.75 mi0.75 mi10070+437544+607544+609749(Top 38%)6633(Top 46%)6633(Top 299%)
23M23.00 mi1.25 mi10043+277466+787466+7810451(Top 41%)6792(Top 47%)6792(Top 306%)
24M24.00 mi1.00 mi10051-87432+347432+3410824(Top 42%)6958(Top 48%)6958(Top 314%)
40K24.85 mi0.85 mi10058-77392+407392+4010591(Top 41%)6702(Top 46%)6702(Top 302%)
25.2M25.20 mi0.35 mi10126-687402-107402-1013379(Top 52%)8081(Top 55%)8081(Top 364%)
Finish26.22 mi1.02 mi10154-287381+217381+2111517(Top 45%)7255(Top 50%)7255(Top 327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9591

Males

7600

M45-49

7600

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8503

Males

7052

M45-49

7052

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9591

Males

7600

M45-49

7600

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11018

Males

8171

M45-49

8171

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10510

Males

7930

M45-49

7930

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10628

Males

7813

M45-49

7813

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10521

Males

7551

M45-49

7551

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11280

Males

7619

M45-49

7619

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11680

Males

7548

M45-49

7548

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9749

Males

6633

M45-49

6633

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10451

Males

6792

M45-49

6792

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

10824

Males

6958

M45-49

6958

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10591

Males

6702

M45-49

6702

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13379

Males

8081

M45-49

8081

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11517

Males

7255

M45-49

7255

Passing Analysis

Category:
Athletes Passed
2501*
Passed By
2306
Net Change
+188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10342
5K → 10K983*16+967#10342#9375
10K → 15K179206-27#9375#9402
15K → 20K107538-432#9402#9834
20K → Half2649-23#9834#9857
Half → 25K195259-65#9857#9922
25K → 30K255321-67#9922#9989
30K → 20M128160-34#9989#10023
20M → 21M104193-90#10023#10113
21M → 35K10258+43#10113#10070
35K → 23M156129+27#10070#10043
23M → 24M9098-8#10043#10051
24M → 40K8390-7#10051#10058
40K → 25.2M2290-68#10058#10126
25.2M → Finish7199-28#10126#10154
TOTALS2501*2306+188

* 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