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BOSTON MARATHON 2024

Tat Chuen Kelvin Chiu

Bib: 13486•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16735
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
52:12
Rank: #16921 (-186)
5K → 10K
26:22 | 8:29/mi
15K· 9.32 mi
1:18:49
Rank: #16833 (+88)
10K → 15K
26:37 | 8:34/mi
20K· 12.43 mi
1:45:48
Rank: #16491 (+342)
15K → 20K
26:59 | 8:41/mi
Half· 13.11 mi
1:51:41
Rank: #16480 (+11)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:13:52
Rank: #16386 (+94)
Half → 25K
22:11 | 9:09/mi
30K· 18.64 mi
2:51:54
Rank: #18353 (-1967)
25K → 30K
38:02 | 12:15/mi
20M
3:07:28
Rank: #18581 (-228)
30K → 20M
15:34 | 11:27/mi
21M
3:20:05
Rank: #18692 (-111)
20M → 21M
12:37 | 12:37/mi
35K· 21.75 mi
3:28:39
Rank: #18793 (-101)
21M → 35K
8:34 | 11:27/mi
23M
3:45:47
Rank: #19189 (-396)
35K → 23M
17:08 | 13:41/mi
24M
4:02:50
Rank: #19910 (-721)
23M → 24M
17:03 | 17:03/mi
40K· 24.85 mi
4:15:04
Rank: #20144 (-234)
24M → 40K
12:14 | 14:18/mi
25.2M
4:20:10
Rank: #20202 (-58)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
4:32:33
Rank: #20358 (-156)
25.2M → Finish
12:23 | 12:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:40:52
Pace12:16 /mi
📊Positive Split: 44.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1225:508:1925:50
8:19
-
10K
6.21 mi11:42:3452:128:2426:22
8:29
+0:10
15K
9.32 mi12:09:111:18:498:2726:37
8:34
+0:05
20K
12.43 mi12:36:101:45:488:3126:59
8:41
+0:07
Half
13.11 mi12:42:031:51:418:315:53
8:37
-0:04
25K
15.53 mi13:04:142:13:528:3722:11
9:09
+0:32
30K
18.64 mi13:42:162:51:549:1338:02
12:15
+3:06
20M
20.00 mi13:57:503:07:289:2215:34
11:27
-0:48
21M
21.00 mi14:10:273:20:059:3212:37
12:37
+1:10
35K
21.75 mi14:19:013:28:399:368:34
11:27
-1:10
23M
23.00 mi14:36:093:45:479:4917:08
13:41
+2:14
24M
24.00 mi14:53:124:02:5010:0717:03
17:03
+3:22
40K
24.85 mi15:05:264:15:0410:1612:14
14:18
-2:45
25.2M
25.20 mi15:10:324:20:1010:195:06
14:47
+0:29
Finish
26.22 mi15:22:554:32:3310:2412:23
12:09
-2:38

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

8:19 /mi

Average Pace

10:24 /mi

Slowest Pace

17:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:52

49% of race

Time at Steady Pace

1:27:10

32% of race

Time at Slower Pace

51:31

19% of race

Average Pace: 10:24 /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 mi11:16:1225:508:1925:50
8:19
#16735
10K
6.21 mi11:42:3452:128:2426:22
8:29
#16921
15K
9.32 mi12:09:111:18:498:2726:37
8:34
#16833
20K
12.43 mi12:36:101:45:488:3126:59
8:41
#16491
Half
13.11 mi12:42:031:51:418:315:53
8:37
#16480
25K
15.53 mi13:04:142:13:528:3722:11
9:09
#16386
30K
18.64 mi13:42:162:51:549:1338:02
12:15
#18353
20M
20.00 mi13:57:503:07:289:2215:34
11:27
#18581
21M
21.00 mi14:10:273:20:059:3212:37
12:37
#18692
35K
21.75 mi14:19:013:28:399:368:34
11:27
#18793
23M
23.00 mi14:36:093:45:479:4917:08
13:41
#19189
24M
24.00 mi14:53:124:02:5010:0717:03
17:03
#19910
40K
24.85 mi15:05:264:15:0410:1612:14
14:18
#20144
25.2M
25.20 mi15:10:324:20:1010:195:06
14:47
#20202
Finish
26.22 mi15:22:554:32:3310:2412:23
12:09
#20358
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16735106981069816762(Top 66%)10721(Top 74%)10721(Top 554%)
10K6.21 mi3.10 mi16921-18610786-8810786-8817180(Top 67%)10904(Top 75%)10904(Top 564%)
15K9.32 mi3.11 mi16833+8810751+3510751+3516762(Top 66%)10721(Top 74%)10721(Top 554%)
20K12.43 mi3.11 mi16491+34210602+14910602+14915767(Top 62%)10287(Top 71%)10287(Top 532%)
Half13.11 mi0.68 mi16480+1110582+2010582+2016390(Top 64%)10503(Top 72%)10503(Top 543%)
25K15.53 mi2.42 mi16386+9410518+6410518+6416212(Top 63%)10339(Top 71%)10339(Top 534%)
30K18.64 mi3.11 mi18353-196711286-76811286-76822333(Top 87%)12969(Top 89%)12969(Top 670%)
20M20.00 mi1.36 mi18581-22811370-8411370-8420299(Top 79%)11878(Top 81%)11878(Top 614%)
21M21.00 mi1.00 mi18692-11111392-2211392-2220073(Top 79%)11661(Top 80%)11661(Top 603%)
35K21.75 mi0.75 mi18793-10111421-2911421-2920748(Top 81%)12007(Top 82%)12007(Top 621%)
23M23.00 mi1.25 mi19189-39611594-17311594-17323428(Top 92%)13353(Top 92%)13353(Top 690%)
24M24.00 mi1.00 mi19910-72111916-32211916-32225320(Top 99%)14407(Top 99%)14407(Top 745%)
40K24.85 mi0.85 mi20144-23411993-7711993-7723946(Top 94%)13537(Top 93%)13537(Top 700%)
25.2M25.20 mi0.35 mi20202-5812014-2112014-2122746(Top 89%)12879(Top 88%)12879(Top 666%)
Finish26.22 mi1.02 mi20358-15612067-5312067-5323425(Top 92%)13247(Top 91%)13247(Top 685%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

16762

Males

10721

M50-54

10721

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17180

Males

10904

M50-54

10904

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

16762

Males

10721

M50-54

10721

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

15767

Males

10287

M50-54

10287

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16390

Males

10503

M50-54

10503

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16212

Males

10339

M50-54

10339

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

22333

Males

12969

M50-54

12969

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20299

Males

11878

M50-54

11878

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20073

Males

11661

M50-54

11661

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

20748

Males

12007

M50-54

12007

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

23428

Males

13353

M50-54

13353

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

25320

Males

14407

M50-54

14407

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

23946

Males

13537

M50-54

13537

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22746

Males

12879

M50-54

12879

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

23425

Males

13247

M50-54

13247

Passing Analysis

Category:
Athletes Passed
1480
Passed By
5103
Net Change
-3623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16735
5K → 10K210396-186#16735#16921
10K → 15K268180+88#16921#16833
15K → 20K43391+342#16833#16491
20K → Half4534+11#16491#16480
Half → 25K266172+94#16480#16386
25K → 30K171984-1967#16386#18353
30K → 20M47275-228#18353#18581
20M → 21M64175-111#18581#18692
21M → 35K31132-101#18692#18793
35K → 23M35431-396#18793#19189
23M → 24M5726-721#19189#19910
24M → 40K21255-234#19910#20144
40K → 25.2M1573-58#20144#20202
25.2M → Finish23179-156#20202#20358
TOTALS14805103-3623
📊

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