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BOSTON MARATHON 2024

Jang Yu Chyu

Bib: 20856•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Top 33%
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
8:01/mi
24:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
50:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:48/mi
1:17:54
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:45:43
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
1:51:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:13:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:42:30
↑ 181↓ 1480.2%
20M
8:43/mi
2:54:21
↑ 64↓ 500.2%
21M
10:37/mi
3:04:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:11:12
↑ 17↓ 861.7%
23M
9:00/mi
3:22:28
↑ 23↓ 630.6%
24M
8:34/mi
3:31:02
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:38:37
↓ 200.3%
25.2M
9:54/mi
3:42:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:50:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:53
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:58:56
Pace9:04 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5024:548:0124:54
8:01
-
10K
6.21 mi11:45:2950:338:0825:39
8:15
+0:14
15K
9.32 mi12:12:501:17:548:2127:21
8:48
+0:33
20K
12.43 mi12:40:391:45:438:3027:49
8:57
+0:09
Half
13.11 mi12:46:491:51:538:326:10
9:02
+0:05
25K
15.53 mi13:08:342:13:388:3621:45
8:58
-0:04
30K
18.64 mi13:37:262:42:308:4328:52
9:17
+0:19
20M
20.00 mi13:49:172:54:218:4311:51
8:43
-0:34
21M
21.00 mi13:59:543:04:588:4810:37
10:37
+1:54
35K
21.75 mi14:06:083:11:128:476:14
8:20
-2:17
23M
23.00 mi14:17:243:22:288:4811:16
9:00
+0:40
24M
24.00 mi14:25:583:31:028:488:34
8:34
-0:26
40K
24.85 mi14:33:333:38:378:487:35
8:52
+0:18
25.2M
25.20 mi14:36:583:42:028:493:25
9:54
+1:02
Finish
26.22 mi14:45:453:50:498:498:47
8:37
-1:17

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

8:01 /mi

Average Pace

8:49 /mi

Slowest Pace

10:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:47

25% of race

Time at Steady Pace

2:11:08

57% of race

Time at Slower Pace

42:54

19% of race

Average Pace: 8:48 /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 mi11:19:5024:548:0124:54
8:01
#14746
10K
6.21 mi11:45:2950:338:0825:39
8:15
#15354
15K
9.32 mi12:12:501:17:548:2127:21
8:48
#16263
20K
12.43 mi12:40:391:45:438:3027:49
8:57
#16455
Half
13.11 mi12:46:491:51:538:326:10
9:02
#16570
25K
15.53 mi13:08:342:13:388:3621:45
8:58
#16301
30K
18.64 mi13:37:262:42:308:4328:52
9:17
#15988
20M
20.00 mi13:49:172:54:218:4311:51
8:43
#15583
21M
21.00 mi13:59:543:04:588:4810:37
10:37
#15587
35K
21.75 mi14:06:083:11:128:476:14
8:20
#15365
23M
23.00 mi14:17:243:22:288:4811:16
9:00
#15114
24M
24.00 mi14:25:583:31:028:488:34
8:34
#14834
40K
24.85 mi14:33:333:38:378:487:35
8:52
#14622
25.2M
25.20 mi14:36:583:42:028:493:25
9:54
#14528
Finish
26.22 mi14:45:453:50:498:498:47
8:37
#14430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi147469924992417974(Top 70%)11234(Top 77%)11234(Top 958%)
10K6.21 mi3.10 mi15354-60810160-23610160-23615849(Top 62%)10367(Top 71%)10367(Top 884%)
15K9.32 mi3.11 mi16263-90910515-35510515-35517974(Top 70%)11234(Top 77%)11234(Top 958%)
20K12.43 mi3.11 mi16455-19210587-7210587-7217129(Top 67%)10856(Top 74%)10856(Top 925%)
Half13.11 mi0.68 mi16570-11510621-3410621-3418401(Top 72%)11347(Top 78%)11347(Top 967%)
25K15.53 mi2.42 mi16301+26910481+14010481+14015376(Top 60%)9964(Top 68%)9964(Top 849%)
30K18.64 mi3.11 mi15988+31310289+19210289+19214580(Top 57%)9361(Top 64%)9361(Top 798%)
20M20.00 mi1.36 mi15583+40510083+20610083+20610652(Top 42%)7348(Top 50%)7348(Top 626%)
21M21.00 mi1.00 mi15587-410037+4610037+4615188(Top 59%)9245(Top 63%)9245(Top 788%)
35K21.75 mi0.75 mi15365+2229920+1179920+1179771(Top 38%)6655(Top 46%)6655(Top 567%)
23M23.00 mi1.25 mi15114+2519767+1539767+15311156(Top 44%)7158(Top 49%)7158(Top 610%)
24M24.00 mi1.00 mi14834+2809598+1699598+1699846(Top 39%)6472(Top 44%)6472(Top 552%)
40K24.85 mi0.85 mi14622+2129467+1319467+13110241(Top 40%)6535(Top 45%)6535(Top 557%)
25.2M25.20 mi0.35 mi14528+949409+589409+5810546(Top 41%)6656(Top 46%)6656(Top 567%)
Finish26.22 mi1.02 mi14430+989350+599350+5912180(Top 48%)7606(Top 52%)7606(Top 648%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17974

Males

11234

M60-64

11234

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15849

Males

10367

M60-64

10367

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17974

Males

11234

M60-64

11234

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17129

Males

10856

M60-64

10856

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

18401

Males

11347

M60-64

11347

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15376

Males

9964

M60-64

9964

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14580

Males

9361

M60-64

9361

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

10652

Males

7348

M60-64

7348

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15188

Males

9245

M60-64

9245

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9771

Males

6655

M60-64

6655

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11156

Males

7158

M60-64

7158

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

9846

Males

6472

M60-64

6472

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10241

Males

6535

M60-64

6535

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10546

Males

6656

M60-64

6656

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12180

Males

7606

M60-64

7606

Passing Analysis

Category:
Athletes Passed
2882
Passed By
2566
Net Change
+316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14746
5K → 10K108716-608#14746#15354
10K → 15K58967-909#15354#16263
15K → 20K195387-192#16263#16455
20K → Half20135-115#16455#16570
Half → 25K35283+269#16570#16301
25K → 30K41097+313#16301#15988
30K → 20M4050+405#15988#15583
20M → 21M117121-4#15583#15587
21M → 35K2264+222#15587#15365
35K → 23M26514+251#15365#15114
23M → 24M2844+280#15114#14834
24M → 40K2208+212#14834#14622
40K → 25.2M984+94#14622#14528
25.2M → Finish12426+98#14528#14430
TOTALS28822566+316
📊

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