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BOSTON MARATHON 2024

Kwong Sang Liu

Bib: 6347•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 20%
Gender (Male)
#0 / 14578
Top 30%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #5364
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
42:23
Rank: #5589 (-225)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:56
Rank: #5645 (-56)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:25:51
Rank: #5576 (+69)
15K → 20K
21:55 | 7:03/mi
Half· 13.11 mi
1:30:31
Rank: #5540 (+36)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:49
Rank: #5349 (+191)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:11:00
Rank: #5162 (+187)
25K → 30K
23:11 | 7:28/mi
20M
2:21:30
Rank: #5109 (+53)
30K → 20M
10:30 | 7:44/mi
21M
2:29:58
Rank: #5076 (+33)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:35:46
Rank: #5055 (+21)
21M → 35K
5:48 | 7:45/mi
23M
2:45:53
Rank: #5027 (+28)
35K → 23M
10:07 | 8:05/mi
24M
2:53:48
Rank: #4996 (+31)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:01:00
Rank: #5025 (-29)
24M → 40K
7:12 | 8:25/mi
25.2M
3:04:14
Rank: #5038 (-13)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:12:22
Rank: #5105 (-67)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:31
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:41:51
Pace7:46 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0721:016:4621:01
6:46
-
10K
6.21 mi10:48:2942:236:4921:22
6:53
+0:07
15K
9.32 mi11:10:021:03:566:5221:33
6:56
+0:03
20K
12.43 mi11:31:571:25:516:5421:55
7:03
+0:07
Half
13.11 mi11:36:371:30:316:544:40
6:50
-0:13
25K
15.53 mi11:53:551:47:496:5617:18
7:08
+0:18
30K
18.64 mi12:17:062:11:007:0223:11
7:28
+0:20
20M
20.00 mi12:27:362:21:307:0410:30
7:44
+0:16
21M
21.00 mi12:36:042:29:587:088:28
8:28
+0:44
35K
21.75 mi12:41:522:35:467:105:48
7:45
-0:43
23M
23.00 mi12:51:592:45:537:1310:07
8:05
+0:20
24M
24.00 mi12:59:542:53:487:157:55
7:55
-0:10
40K
24.85 mi13:07:063:01:007:177:12
8:25
+0:30
25.2M
25.20 mi13:10:203:04:147:193:14
9:23
+0:58
Finish
26.22 mi13:18:283:12:227:218:08
7:59
-1:24

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

6:46 /mi

Average Pace

7:21 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:49

56% of race

Time at Steady Pace

1:05:39

34% of race

Time at Slower Pace

18:54

10% of race

Average Pace: 7:20 /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 mi10:27:0721:016:4621:01
6:46
#5364
10K
6.21 mi10:48:2942:236:4921:22
6:53
#5589
15K
9.32 mi11:10:021:03:566:5221:33
6:56
#5645
20K
12.43 mi11:31:571:25:516:5421:55
7:03
#5576
Half
13.11 mi11:36:371:30:316:544:40
6:50
#5540
25K
15.53 mi11:53:551:47:496:5617:18
7:08
#5349
30K
18.64 mi12:17:062:11:007:0223:11
7:28
#5162
20M
20.00 mi12:27:362:21:307:0410:30
7:44
#5109
21M
21.00 mi12:36:042:29:587:088:28
8:28
#5076
35K
21.75 mi12:41:522:35:467:105:48
7:45
#5055
23M
23.00 mi12:51:592:45:537:1310:07
8:05
#5027
24M
24.00 mi12:59:542:53:487:157:55
7:55
#4996
40K
24.85 mi13:07:063:01:007:177:12
8:25
#5025
25.2M
25.20 mi13:10:203:04:147:193:14
9:23
#5038
Finish
26.22 mi13:18:283:12:227:218:08
7:59
#5105
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5364493749375820(Top 23%)5253(Top 36%)5253(Top 108%)
10K6.21 mi3.10 mi5589-2255113-1765113-1765826(Top 23%)5280(Top 36%)5280(Top 109%)
15K9.32 mi3.11 mi5645-565158-455158-455820(Top 23%)5253(Top 36%)5253(Top 108%)
20K12.43 mi3.11 mi5576+695075+835075+835542(Top 22%)4991(Top 34%)4991(Top 103%)
Half13.11 mi0.68 mi5540+365044+315044+314799(Top 19%)4410(Top 30%)4410(Top 91%)
25K15.53 mi2.42 mi5349+1914874+1704874+1704990(Top 20%)4476(Top 31%)4476(Top 92%)
30K18.64 mi3.11 mi5162+1874688+1864688+1864905(Top 19%)4281(Top 29%)4281(Top 88%)
20M20.00 mi1.36 mi5109+534626+624626+625332(Top 21%)4459(Top 31%)4459(Top 92%)
21M21.00 mi1.00 mi5076+334565+614565+616051(Top 24%)4712(Top 32%)4712(Top 97%)
35K21.75 mi0.75 mi5055+214529+364529+366310(Top 25%)4848(Top 33%)4848(Top 100%)
23M23.00 mi1.25 mi5027+284483+464483+466137(Top 24%)4607(Top 32%)4607(Top 95%)
24M24.00 mi1.00 mi4996+314438+454438+456148(Top 24%)4532(Top 31%)4532(Top 93%)
40K24.85 mi0.85 mi5025-294431+74431+77926(Top 31%)5341(Top 37%)5341(Top 110%)
25.2M25.20 mi0.35 mi5038-134420+114420+118160(Top 32%)5389(Top 37%)5389(Top 111%)
Finish26.22 mi1.02 mi5105-674436-164436-168385(Top 33%)5594(Top 38%)5594(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5820

Males

5253

M18-39

5253

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5826

Males

5280

M18-39

5280

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5820

Males

5253

M18-39

5253

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5542

Males

4991

M18-39

4991

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4799

Males

4410

M18-39

4410

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

4990

Males

4476

M18-39

4476

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4905

Males

4281

M18-39

4281

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5332

Males

4459

M18-39

4459

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6051

Males

4712

M18-39

4712

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6310

Males

4848

M18-39

4848

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6137

Males

4607

M18-39

4607

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6148

Males

4532

M18-39

4532

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7926

Males

5341

M18-39

5341

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8160

Males

5389

M18-39

5389

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8385

Males

5594

M18-39

5594

Passing Analysis

Category:
Athletes Passed
1652
Passed By
1393
Net Change
+259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5364
5K → 10K112337-225#5364#5589
10K → 15K128184-56#5589#5645
15K → 20K202133+69#5645#5576
20K → Half4711+36#5576#5540
Half → 25K24554+191#5540#5349
25K → 30K28295+187#5349#5162
30K → 20M12067+53#5162#5109
20M → 21M11178+33#5109#5076
21M → 35K6241+21#5076#5055
35K → 23M10880+28#5055#5027
23M → 24M9160+31#5027#4996
24M → 40K6493-29#4996#5025
40K → 25.2M3447-13#5025#5038
25.2M → Finish46113-67#5038#5105
TOTALS16521393+259
📊

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