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BOSTON MARATHON 2024

Siu Chung Tong

Bib: 8310•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 47%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 49%
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
20:04
Rank: #3082
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
41:16
Rank: #4090 (-1008)
5K → 10K
21:12 | 6:49/mi
15K· 9.32 mi
1:02:32
Rank: #4400 (-310)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:24:53
Rank: #5019 (-619)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:29:47
Rank: #5153 (-134)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:48:32
Rank: #5646 (-493)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:16:08
Rank: #6835 (-1189)
25K → 30K
27:36 | 8:53/mi
20M
2:30:40
Rank: #7964 (-1129)
30K → 20M
14:32 | 10:42/mi
21M
2:41:48
Rank: #8600 (-636)
20M → 21M
11:08 | 11:08/mi
35K· 21.75 mi
2:48:50
Rank: #8834 (-234)
21M → 35K
7:02 | 9:24/mi
23M
3:01:46
Rank: #9423 (-589)
35K → 23M
12:56 | 10:20/mi
24M
3:12:31
Rank: #10062 (-639)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
3:22:43
Rank: #10725 (-663)
24M → 40K
10:12 | 11:56/mi
25.2M
3:27:29
Rank: #11043 (-318)
40K → 25.2M
4:46 | 13:49/mi
Finish· 26.22 mi
3:40:26
Rank: #12078 (-1035)
25.2M → Finish
12:57 | 12:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:47
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time2:10:39
Pace9:58 /mi
📊Positive Split: 45.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0520:046:2820:04
6:28
-
10K
6.21 mi11:06:1741:166:3821:12
6:49
+0:21
15K
9.32 mi11:27:331:02:326:4321:16
6:51
+0:02
20K
12.43 mi11:49:541:24:536:5022:21
7:12
+0:21
Half
13.11 mi11:54:481:29:476:514:54
7:11
-0:01
25K
15.53 mi12:13:331:48:326:5918:45
7:44
+0:33
30K
18.64 mi12:41:092:16:087:1827:36
8:53
+1:09
20M
20.00 mi12:55:412:30:407:3214:32
10:42
+1:49
21M
21.00 mi13:06:492:41:487:4211:08
11:08
+0:26
35K
21.75 mi13:13:512:48:507:467:02
9:24
-1:44
23M
23.00 mi13:26:473:01:467:5412:56
10:20
+0:56
24M
24.00 mi13:37:323:12:318:0110:45
10:45
+0:25
40K
24.85 mi13:47:443:22:438:0910:12
11:56
+1:11
25.2M
25.20 mi13:52:303:27:298:144:46
13:49
+1:53
Finish
26.22 mi14:05:273:40:268:2512:57
12:42
-1:07

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

6:28 /mi

Average Pace

8:25 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:32

49% of race

Time at Steady Pace

47:34

22% of race

Time at Slower Pace

1:04:20

29% of race

Average Pace: 8:24 /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 mi10:45:0520:046:2820:04
6:28
#3082
10K
6.21 mi11:06:1741:166:3821:12
6:49
#4090
15K
9.32 mi11:27:331:02:326:4321:16
6:51
#4400
20K
12.43 mi11:49:541:24:536:5022:21
7:12
#5019
Half
13.11 mi11:54:481:29:476:514:54
7:11
#5153
25K
15.53 mi12:13:331:48:326:5918:45
7:44
#5646
30K
18.64 mi12:41:092:16:087:1827:36
8:53
#6835
20M
20.00 mi12:55:412:30:407:3214:32
10:42
#7964
21M
21.00 mi13:06:492:41:487:4211:08
11:08
#8600
35K
21.75 mi13:13:512:48:507:467:02
9:24
#8834
23M
23.00 mi13:26:473:01:467:5412:56
10:20
#9423
24M
24.00 mi13:37:323:12:318:0110:45
10:45
#10062
40K
24.85 mi13:47:443:22:438:0910:12
11:56
#10725
25.2M
25.20 mi13:52:303:27:298:144:46
13:49
#11043
Finish
26.22 mi14:05:273:40:268:2512:57
12:42
#12078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3082294429445161(Top 20%)4737(Top 32%)4737(Top 245%)
10K6.21 mi3.10 mi4090-10083857-9133857-9135412(Top 21%)4973(Top 34%)4973(Top 257%)
15K9.32 mi3.11 mi4400-3104120-2634120-2635161(Top 20%)4737(Top 32%)4737(Top 245%)
20K12.43 mi3.11 mi5019-6194643-5234643-5236349(Top 25%)5560(Top 38%)5560(Top 287%)
Half13.11 mi0.68 mi5153-1344752-1094752-1096892(Top 27%)5937(Top 41%)5937(Top 307%)
25K15.53 mi2.42 mi5646-4935105-3535105-3538518(Top 33%)6722(Top 46%)6722(Top 347%)
30K18.64 mi3.11 mi6835-11895881-7765881-77612654(Top 50%)8542(Top 59%)8542(Top 441%)
20M20.00 mi1.36 mi7964-11296519-6386519-63818531(Top 73%)11019(Top 76%)11019(Top 569%)
21M21.00 mi1.00 mi8600-6366833-3146833-31416663(Top 65%)9944(Top 68%)9944(Top 514%)
35K21.75 mi0.75 mi8834-2346919-866919-8615097(Top 59%)9179(Top 63%)9179(Top 474%)
23M23.00 mi1.25 mi9423-5897156-2377156-23716498(Top 65%)9807(Top 67%)9807(Top 507%)
24M24.00 mi1.00 mi10062-6397440-2847440-28418542(Top 73%)10773(Top 74%)10773(Top 557%)
40K24.85 mi0.85 mi10725-6637710-2707710-27020294(Top 79%)11579(Top 79%)11579(Top 598%)
25.2M25.20 mi0.35 mi11043-3187841-1317841-13121260(Top 83%)12086(Top 83%)12086(Top 625%)
Finish26.22 mi1.02 mi12078-10358286-4458286-44524086(Top 94%)13618(Top 93%)13618(Top 704%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5161

Males

4737

M50-54

4737

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5412

Males

4973

M50-54

4973

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5161

Males

4737

M50-54

4737

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6349

Males

5560

M50-54

5560

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

6892

Males

5937

M50-54

5937

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8518

Males

6722

M50-54

6722

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12654

Males

8542

M50-54

8542

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

18531

Males

11019

M50-54

11019

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

16663

Males

9944

M50-54

9944

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15097

Males

9179

M50-54

9179

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

16498

Males

9807

M50-54

9807

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

18542

Males

10773

M50-54

10773

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20294

Males

11579

M50-54

11579

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21260

Males

12086

M50-54

12086

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

24086

Males

13618

M50-54

13618

Passing Analysis

Category:
Athletes Passed
373
Passed By
9366
Net Change
-8996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3082
5K → 10K81016-1008#3082#4090
10K → 15K52362-310#4090#4400
15K → 20K49668-619#4400#5019
20K → Half3137-134#5019#5153
Half → 25K59552-493#5153#5646
25K → 30K301219-1189#5646#6835
30K → 20M121141-1129#6835#7964
20M → 21M25661-636#7964#8600
21M → 35K28262-234#8600#8834
35K → 23M51640-589#8834#9423
23M → 24M21658-639#9423#10062
24M → 40K15677-663#10062#10725
40K → 25.2M6324-318#10725#11043
25.2M → Finish141049-1035#11043#12078
TOTALS3739366-8996
📊

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