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BOSTON MARATHON 2024

Keung On Chau

Bib: 8593•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 48%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 50%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:29
Rank: #8697
Start → 5K
22:29 | 7:14/mi
10K· 6.21 mi
45:01
Rank: #8468 (+229)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:07:56
Rank: #8528 (-60)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:31:35
Rank: #8638 (-110)
15K → 20K
23:39 | 7:37/mi
Half· 13.11 mi
1:36:41
Rank: #8646 (-8)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:55:56
Rank: #8816 (-170)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:24:11
Rank: #9793 (-977)
25K → 30K
28:15 | 9:06/mi
20M
2:37:17
Rank: #10250 (-457)
30K → 20M
13:06 | 9:38/mi
21M
2:48:49
Rank: #10853 (-603)
20M → 21M
11:32 | 11:32/mi
35K· 21.75 mi
2:55:56
Rank: #11094 (-241)
21M → 35K
7:07 | 9:31/mi
23M
3:08:19
Rank: #11365 (-271)
35K → 23M
12:23 | 9:53/mi
24M
3:18:47
Rank: #11800 (-435)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
3:27:51
Rank: #12071 (-271)
24M → 40K
9:04 | 10:36/mi
25.2M
3:31:41
Rank: #12107 (-36)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
3:41:00
Rank: #12211 (-104)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:41
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time2:04:19
Pace9:29 /mi
📊Positive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5022:297:1422:29
7:14
-
10K
6.21 mi11:10:2245:017:1522:32
7:15
+0:01
15K
9.32 mi11:33:171:07:567:1722:55
7:23
+0:08
20K
12.43 mi11:56:561:31:357:2223:39
7:37
+0:14
Half
13.11 mi12:02:021:36:417:225:06
7:29
-0:08
25K
15.53 mi12:21:171:55:567:2819:15
7:56
+0:27
30K
18.64 mi12:49:322:24:117:4428:15
9:06
+1:10
20M
20.00 mi13:02:382:37:177:5213:06
9:38
+0:32
21M
21.00 mi13:14:102:48:498:0211:32
11:32
+1:54
35K
21.75 mi13:21:172:55:568:057:07
9:31
-2:01
23M
23.00 mi13:33:403:08:198:1112:23
9:53
+0:22
24M
24.00 mi13:44:083:18:478:1710:28
10:28
+0:35
40K
24.85 mi13:53:123:27:518:229:04
10:36
+0:08
25.2M
25.20 mi13:57:023:31:418:243:50
11:07
+0:31
Finish
26.22 mi14:06:213:41:008:269:19
9:09
-1:58

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

7:14 /mi

Average Pace

8:26 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:56

52% of race

Time at Steady Pace

57:47

26% of race

Time at Slower Pace

47:17

21% of race

Average Pace: 8:26 /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 mi10:47:5022:297:1422:29
7:14
#8697
10K
6.21 mi11:10:2245:017:1522:32
7:15
#8468
15K
9.32 mi11:33:171:07:567:1722:55
7:23
#8528
20K
12.43 mi11:56:561:31:357:2223:39
7:37
#8638
Half
13.11 mi12:02:021:36:417:225:06
7:29
#8646
25K
15.53 mi12:21:171:55:567:2819:15
7:56
#8816
30K
18.64 mi12:49:322:24:117:4428:15
9:06
#9793
20M
20.00 mi13:02:382:37:177:5213:06
9:38
#10250
21M
21.00 mi13:14:102:48:498:0211:32
11:32
#10853
35K
21.75 mi13:21:172:55:568:057:07
9:31
#11094
23M
23.00 mi13:33:403:08:198:1112:23
9:53
#11365
24M
24.00 mi13:44:083:18:478:1710:28
10:28
#11800
40K
24.85 mi13:53:123:27:518:229:04
10:36
#12071
25.2M
25.20 mi13:57:023:31:418:243:50
11:07
#12107
Finish
26.22 mi14:06:213:41:008:269:19
9:09
#12211
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8697722972298693(Top 34%)7119(Top 49%)7119(Top 321%)
10K6.21 mi3.10 mi8468+2297051+1787051+1788291(Top 32%)6926(Top 48%)6926(Top 312%)
15K9.32 mi3.11 mi8528-607087-367087-368693(Top 34%)7119(Top 49%)7119(Top 321%)
20K12.43 mi3.11 mi8638-1107110-237110-239162(Top 36%)7254(Top 50%)7254(Top 327%)
Half13.11 mi0.68 mi8646-87109+17109+18923(Top 35%)7140(Top 49%)7140(Top 322%)
25K15.53 mi2.42 mi8816-1707167-587167-589802(Top 38%)7398(Top 51%)7398(Top 334%)
30K18.64 mi3.11 mi9793-9777565-3987565-39813666(Top 53%)8985(Top 62%)8985(Top 405%)
20M20.00 mi1.36 mi10250-4577721-1567721-15615102(Top 59%)9342(Top 64%)9342(Top 421%)
21M21.00 mi1.00 mi10853-6037963-2427963-24217719(Top 69%)10477(Top 72%)10477(Top 472%)
35K21.75 mi0.75 mi11094-2418048-858048-8515504(Top 61%)9367(Top 64%)9367(Top 422%)
23M23.00 mi1.25 mi11365-2718108-608108-6015078(Top 59%)9084(Top 62%)9084(Top 410%)
24M24.00 mi1.00 mi11800-4358270-1628270-16217734(Top 69%)10361(Top 71%)10361(Top 467%)
40K24.85 mi0.85 mi12071-2718334-648334-6416970(Top 66%)9918(Top 68%)9918(Top 447%)
25.2M25.20 mi0.35 mi12107-368335-18335-114842(Top 58%)8839(Top 61%)8839(Top 399%)
Finish26.22 mi1.02 mi12211-1048355-208355-2014884(Top 58%)8934(Top 61%)8934(Top 403%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8693

Males

7119

M45-49

7119

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8291

Males

6926

M45-49

6926

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8693

Males

7119

M45-49

7119

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9162

Males

7254

M45-49

7254

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

8923

Males

7140

M45-49

7140

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9802

Males

7398

M45-49

7398

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13666

Males

8985

M45-49

8985

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15102

Males

9342

M45-49

9342

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

17719

Males

10477

M45-49

10477

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

15504

Males

9367

M45-49

9367

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15078

Males

9084

M45-49

9084

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

17734

Males

10361

M45-49

10361

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16970

Males

9918

M45-49

9918

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14842

Males

8839

M45-49

8839

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

14884

Males

8934

M45-49

8934

Passing Analysis

Category:
Athletes Passed
1274
Passed By
4785
Net Change
-3514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8697
5K → 10K374145+229#8697#8468
10K → 15K157217-60#8468#8528
15K → 20K164274-110#8528#8638
20K → Half3543-8#8638#8646
Half → 25K141311-170#8646#8816
25K → 30K701046-977#8816#9793
30K → 20M50505-457#9793#10250
20M → 21M28631-603#10250#10853
21M → 35K32273-241#10853#11094
35K → 23M84355-271#11094#11365
23M → 24M26461-435#11365#11800
24M → 40K39310-271#11800#12071
40K → 25.2M2965-36#12071#12107
25.2M → Finish45149-104#12107#12211
TOTALS12744785-3514
📊

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