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BOSTON MARATHON 2024

Jui Jung Chiu

Bib: 2420•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
Masters (Masters Men)
#0 / 9729
Top 25%
Division (M50-54)
#0 / 1935
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2565
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:55
Rank: #2659 (-94)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:21
Rank: #2793 (-134)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:21:18
Rank: #2942 (-149)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:25:54
Rank: #2974 (-32)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:43:04
Rank: #3204 (-230)
Half → 25K
17:10 | 7:05/mi
30K· 18.64 mi
2:09:58
Rank: #4845 (-1641)
25K → 30K
26:54 | 8:39/mi
20M
2:22:23
Rank: #5349 (-504)
30K → 20M
12:25 | 9:08/mi
21M
2:33:07
Rank: #5921 (-572)
20M → 21M
10:44 | 10:44/mi
35K· 21.75 mi
2:39:15
Rank: #5956 (-35)
21M → 35K
6:08 | 8:12/mi
23M
2:49:57
Rank: #6028 (-72)
35K → 23M
10:42 | 8:33/mi
24M
2:58:16
Rank: #6054 (-26)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:05:50
Rank: #6146 (-92)
24M → 40K
7:34 | 8:51/mi
25.2M
3:09:33
Rank: #6271 (-125)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
3:17:46
Rank: #6340 (-69)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:54
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
📊Positive Split: 30.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:496:2319:49
6:23
-
10K
6.21 mi10:40:4839:556:2520:06
6:28
+0:05
15K
9.32 mi11:01:141:00:216:2820:26
6:35
+0:07
20K
12.43 mi11:22:111:21:186:3320:57
6:45
+0:10
Half
13.11 mi11:26:471:25:546:334:36
6:45
0:00
25K
15.53 mi11:43:571:43:046:3817:10
7:05
+0:20
30K
18.64 mi12:10:512:09:586:5826:54
8:39
+1:34
20M
20.00 mi12:23:162:22:237:0712:25
9:08
+0:29
21M
21.00 mi12:34:002:33:077:1710:44
10:44
+1:36
35K
21.75 mi12:40:082:39:157:196:08
8:12
-2:32
23M
23.00 mi12:50:502:49:577:2310:42
8:33
+0:21
24M
24.00 mi12:59:092:58:167:268:19
8:19
-0:14
40K
24.85 mi13:06:433:05:507:297:34
8:51
+0:32
25.2M
25.20 mi13:10:263:09:337:313:43
10:47
+1:56
Finish
26.22 mi13:18:393:17:467:338:13
8:04
-2:43

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

6:23 /mi

Average Pace

7:33 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:04

52% of race

Time at Steady Pace

1:07:50

34% of race

Time at Slower Pace

26:52

14% of race

Average Pace: 7:33 /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 mi10:20:4219:496:2319:49
6:23
#2565
10K
6.21 mi10:40:4839:556:2520:06
6:28
#2659
15K
9.32 mi11:01:141:00:216:2820:26
6:35
#2793
20K
12.43 mi11:22:111:21:186:3320:57
6:45
#2942
Half
13.11 mi11:26:471:25:546:334:36
6:45
#2974
25K
15.53 mi11:43:571:43:046:3817:10
7:05
#3204
30K
18.64 mi12:10:512:09:586:5826:54
8:39
#4845
20M
20.00 mi12:23:162:22:237:0712:25
9:08
#5349
21M
21.00 mi12:34:002:33:077:1710:44
10:44
#5921
35K
21.75 mi12:40:082:39:157:196:08
8:12
#5956
23M
23.00 mi12:50:502:49:577:2310:42
8:33
#6028
24M
24.00 mi12:59:092:58:167:268:19
8:19
#6054
40K
24.85 mi13:06:433:05:507:297:34
8:51
#6146
25.2M
25.20 mi13:10:263:09:337:313:43
10:47
#6271
Finish
26.22 mi13:18:393:17:467:338:13
8:04
#6340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2565246924693138(Top 12%)2990(Top 21%)2990(Top 155%)
10K6.21 mi3.10 mi2659-942557-882557-882824(Top 11%)2701(Top 19%)2701(Top 140%)
15K9.32 mi3.11 mi2793-1342676-1192676-1193138(Top 12%)2990(Top 21%)2990(Top 155%)
20K12.43 mi3.11 mi2942-1492812-1362812-1363480(Top 14%)3289(Top 23%)3289(Top 170%)
Half13.11 mi0.68 mi2974-322841-292841-294145(Top 16%)3869(Top 27%)3869(Top 200%)
25K15.53 mi2.42 mi3204-2303044-2033044-2034727(Top 19%)4274(Top 29%)4274(Top 221%)
30K18.64 mi3.11 mi4845-16414441-13974441-139711471(Top 45%)8009(Top 55%)8009(Top 414%)
20M20.00 mi1.36 mi5349-5044800-3594800-35912788(Top 50%)8301(Top 57%)8301(Top 429%)
21M21.00 mi1.00 mi5921-5725181-3815181-38115553(Top 61%)9418(Top 65%)9418(Top 487%)
35K21.75 mi0.75 mi5956-355186-55186-58922(Top 35%)6206(Top 43%)6206(Top 321%)
23M23.00 mi1.25 mi6028-725187-15187-18694(Top 34%)5945(Top 41%)5945(Top 307%)
24M24.00 mi1.00 mi6054-265174+135174+138355(Top 33%)5678(Top 39%)5678(Top 293%)
40K24.85 mi0.85 mi6146-925198-245198-2410111(Top 40%)6458(Top 44%)6458(Top 334%)
25.2M25.20 mi0.35 mi6271-1255265-675265-6713698(Top 54%)8247(Top 57%)8247(Top 426%)
Finish26.22 mi1.02 mi6340-695267-25267-28886(Top 35%)5858(Top 40%)5858(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3138

Males

2990

M50-54

2990

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2824

Males

2701

M50-54

2701

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3138

Males

2990

M50-54

2990

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3480

Males

3289

M50-54

3289

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4145

Males

3869

M50-54

3869

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4727

Males

4274

M50-54

4274

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11471

Males

8009

M50-54

8009

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

12788

Males

8301

M50-54

8301

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15553

Males

9418

M50-54

9418

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

8922

Males

6206

M50-54

6206

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8694

Males

5945

M50-54

5945

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8355

Males

5678

M50-54

5678

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10111

Males

6458

M50-54

6458

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13698

Males

8247

M50-54

8247

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

8886

Males

5858

M50-54

5858

Passing Analysis

Category:
Athletes Passed
687
Passed By
4462
Net Change
-3775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2565
5K → 10K96190-94#2565#2659
10K → 15K58192-134#2659#2793
15K → 20K67216-149#2793#2942
20K → Half1143-32#2942#2974
Half → 25K61291-230#2974#3204
25K → 30K181659-1641#3204#4845
30K → 20M21525-504#4845#5349
20M → 21M11583-572#5349#5921
21M → 35K6196-35#5921#5956
35K → 23M85157-72#5956#6028
23M → 24M7399-26#6028#6054
24M → 40K51143-92#6054#6146
40K → 25.2M12137-125#6146#6271
25.2M → Finish62131-69#6271#6340
TOTALS6874462-3775
📊

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