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BOSTON MARATHON 2024

Kwok Lai

Bib: 2798•M

TX

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0:00
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Overall
#0 / 25550
Top 5%
Gender (Male)
#0 / 14578
Top 9%
Division (M18-39)
#0 / 4849
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1394
Start → 5K
19:06 | 6:09/mi
10K· 6.21 mi
38:28
Rank: #1498 (-104)
5K → 10K
19:22 | 6:14/mi
15K· 9.32 mi
58:22
Rank: #1710 (-212)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:18:30
Rank: #1763 (-53)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:22:49
Rank: #1767 (-4)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:38:37
Rank: #1749 (+18)
Half → 25K
15:48 | 6:31/mi
30K· 18.64 mi
1:59:12
Rank: #1617 (+132)
25K → 30K
20:35 | 6:38/mi
20M
2:08:22
Rank: #1560 (+57)
30K → 20M
9:10 | 6:45/mi
21M
2:15:28
Rank: #1486 (+74)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:20:26
Rank: #1471 (+15)
21M → 35K
4:58 | 6:38/mi
23M
2:29:03
Rank: #1446 (+25)
35K → 23M
8:37 | 6:53/mi
24M
2:35:50
Rank: #1425 (+21)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:41:47
Rank: #1413 (+12)
24M → 40K
5:57 | 6:58/mi
25.2M
2:44:22
Rank: #1395 (+18)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:51:17
Rank: #1405 (-10)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:49
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:28:28
Pace6:45 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4119:066:0919:06
6:09
-
10K
6.21 mi10:40:0338:286:1119:22
6:14
+0:05
15K
9.32 mi10:59:5758:226:1619:54
6:24
+0:10
20K
12.43 mi11:20:051:18:306:1920:08
6:29
+0:05
Half
13.11 mi11:24:241:22:496:194:19
6:20
-0:09
25K
15.53 mi11:40:121:38:376:2115:48
6:31
+0:11
30K
18.64 mi12:00:471:59:126:2420:35
6:38
+0:07
20M
20.00 mi12:09:572:08:226:259:10
6:45
+0:07
21M
21.00 mi12:17:032:15:286:277:06
7:06
+0:21
35K
21.75 mi12:22:012:20:266:274:58
6:38
-0:28
23M
23.00 mi12:30:382:29:036:298:37
6:53
+0:15
24M
24.00 mi12:37:252:35:506:306:47
6:47
-0:06
40K
24.85 mi12:43:222:41:476:315:57
6:58
+0:11
25.2M
25.20 mi12:45:572:44:226:312:35
7:29
+0:31
Finish
26.22 mi12:52:522:51:176:326:55
6:47
-0:42

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

6:09 /mi

Average Pace

6:32 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:41

37% of race

Time at Steady Pace

1:24:21

49% of race

Time at Slower Pace

24:15

14% of race

Average Pace: 6:32 /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 mi10:20:4119:066:0919:06
6:09
#1394
10K
6.21 mi10:40:0338:286:1119:22
6:14
#1498
15K
9.32 mi10:59:5758:226:1619:54
6:24
#1710
20K
12.43 mi11:20:051:18:306:1920:08
6:29
#1763
Half
13.11 mi11:24:241:22:496:194:19
6:20
#1767
25K
15.53 mi11:40:121:38:376:2115:48
6:31
#1749
30K
18.64 mi12:00:471:59:126:2420:35
6:38
#1617
20M
20.00 mi12:09:572:08:226:259:10
6:45
#1560
21M
21.00 mi12:17:032:15:286:277:06
7:06
#1486
35K
21.75 mi12:22:012:20:266:274:58
6:38
#1471
23M
23.00 mi12:30:382:29:036:298:37
6:53
#1446
24M
24.00 mi12:37:252:35:506:306:47
6:47
#1425
40K
24.85 mi12:43:222:41:476:315:57
6:58
#1413
25.2M
25.20 mi12:45:572:44:226:312:35
7:29
#1395
Finish
26.22 mi12:52:522:51:176:326:55
6:47
#1405
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1394134513452192(Top 9%)2115(Top 15%)2115(Top 44%)
10K6.21 mi3.10 mi1498-1041448-1031448-1031631(Top 6%)1580(Top 11%)1580(Top 33%)
15K9.32 mi3.11 mi1710-2121656-2081656-2082192(Top 9%)2115(Top 15%)2115(Top 44%)
20K12.43 mi3.11 mi1763-531709-531709-532059(Top 8%)1988(Top 14%)1988(Top 41%)
Half13.11 mi0.68 mi1767-41713-41713-41763(Top 7%)1706(Top 12%)1706(Top 35%)
25K15.53 mi2.42 mi1749+181695+181695+181840(Top 7%)1768(Top 12%)1768(Top 36%)
30K18.64 mi3.11 mi1617+1321564+1311564+1311408(Top 6%)1347(Top 9%)1347(Top 28%)
20M20.00 mi1.36 mi1560+571506+581506+581430(Top 6%)1353(Top 9%)1353(Top 28%)
21M21.00 mi1.00 mi1486+741432+741432+741298(Top 5%)1227(Top 8%)1227(Top 25%)
35K21.75 mi0.75 mi1471+151417+151417+151663(Top 7%)1551(Top 11%)1551(Top 32%)
23M23.00 mi1.25 mi1446+251388+291388+291535(Top 6%)1434(Top 10%)1434(Top 30%)
24M24.00 mi1.00 mi1425+211367+211367+211624(Top 6%)1494(Top 10%)1494(Top 31%)
40K24.85 mi0.85 mi1413+121354+131354+131719(Top 7%)1556(Top 11%)1556(Top 32%)
25.2M25.20 mi0.35 mi1395+181336+181336+181383(Top 5%)1255(Top 9%)1255(Top 26%)
Finish26.22 mi1.02 mi1405-101343-71343-72264(Top 9%)1966(Top 13%)1966(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2192

Males

2115

M18-39

2115

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1631

Males

1580

M18-39

1580

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2192

Males

2115

M18-39

2115

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2059

Males

1988

M18-39

1988

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1763

Males

1706

M18-39

1706

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1840

Males

1768

M18-39

1768

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1408

Males

1347

M18-39

1347

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1430

Males

1353

M18-39

1353

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1298

Males

1227

M18-39

1227

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1663

Males

1551

M18-39

1551

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1535

Males

1434

M18-39

1434

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1624

Males

1494

M18-39

1494

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1719

Males

1556

M18-39

1556

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1383

Males

1255

M18-39

1255

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2264

Males

1966

M18-39

1966

Passing Analysis

Category:
Athletes Passed
702
Passed By
713
Net Change
-11
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1394
5K → 10K37141-104#1394#1498
10K → 15K12224-212#1498#1710
15K → 20K49102-53#1710#1763
20K → Half913-4#1763#1767
Half → 25K8365+18#1767#1749
25K → 30K15927+132#1749#1617
30K → 20M7720+57#1617#1560
20M → 21M839+74#1560#1486
21M → 35K2611+15#1486#1471
35K → 23M5732+25#1471#1446
23M → 24M3413+21#1446#1425
24M → 40K2917+12#1425#1413
40K → 25.2M224+18#1413#1395
25.2M → Finish2535-10#1395#1405
TOTALS702713-11
📊

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