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BOSTON MARATHON 2024

Kar Wing Leung

Bib: 12888•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 44%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 45%
Division (M50-54)
#0 / 1935
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:16
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:34:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:39:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:59:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:25:48
↑ 181↓ 1480.2%
20M
8:59/mi
2:38:01
↑ 64↓ 500.2%
21M
9:58/mi
2:47:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
2:54:23
↑ 17↓ 861.7%
23M
9:37/mi
3:06:26
↑ 23↓ 630.6%
24M
8:41/mi
3:15:07
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:23:06
↓ 200.3%
25.2M
11:24/mi
3:27:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:34/mi
3:36:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:59
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:56:48
Pace8:55 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4823:217:3123:21
7:31
-
10K
6.21 mi11:17:0346:367:3023:15
7:29
-0:02
15K
9.32 mi11:40:431:10:167:3223:40
7:37
+0:08
20K
12.43 mi12:05:101:34:437:3724:27
7:52
+0:15
Half
13.11 mi12:10:261:39:597:385:16
7:43
-0:09
25K
15.53 mi12:29:371:59:107:4019:11
7:55
+0:12
30K
18.64 mi12:56:152:25:487:4926:38
8:34
+0:39
20M
20.00 mi13:08:282:38:017:5412:13
8:59
+0:25
21M
21.00 mi13:18:262:47:598:009:58
9:58
+0:59
35K
21.75 mi13:24:502:54:238:016:24
8:33
-1:25
23M
23.00 mi13:36:533:06:268:0612:03
9:37
+1:04
24M
24.00 mi13:45:343:15:078:088:41
8:41
-0:56
40K
24.85 mi13:53:333:23:068:107:59
9:20
+0:39
25.2M
25.20 mi13:57:293:27:028:133:56
11:24
+2:04
Finish
26.22 mi14:07:143:36:478:169:45
9:34
-1:50

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

7:29 /mi

Average Pace

8:16 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:10

55% of race

Time at Steady Pace

53:56

25% of race

Time at Slower Pace

43:41

20% of race

Average Pace: 8:16 /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 mi10:53:4823:217:3123:21
7:31
#10884
10K
6.21 mi11:17:0346:367:3023:15
7:29
#10482
15K
9.32 mi11:40:431:10:167:3223:40
7:37
#10491
20K
12.43 mi12:05:101:34:437:3724:27
7:52
#10552
Half
13.11 mi12:10:261:39:597:385:16
7:43
#10543
25K
15.53 mi12:29:371:59:107:4019:11
7:55
#10318
30K
18.64 mi12:56:152:25:487:4926:38
8:34
#10405
20M
20.00 mi13:08:282:38:017:5412:13
8:59
#10506
21M
21.00 mi13:18:262:47:598:009:58
9:58
#10608
35K
21.75 mi13:24:502:54:238:016:24
8:33
#10583
23M
23.00 mi13:36:533:06:268:0612:03
9:37
#10839
24M
24.00 mi13:45:343:15:078:088:41
8:41
#10785
40K
24.85 mi13:53:333:23:068:107:59
9:20
#10821
25.2M
25.20 mi13:57:293:27:028:133:56
11:24
#10933
Finish
26.22 mi14:07:143:36:478:169:45
9:34
#11180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi108848360836010556(Top 41%)8071(Top 55%)8071(Top 417%)
10K6.21 mi3.10 mi10482+4028142+2188142+21810130(Top 40%)7946(Top 55%)7946(Top 411%)
15K9.32 mi3.11 mi10491-98121+218121+2110556(Top 41%)8071(Top 55%)8071(Top 417%)
20K12.43 mi3.11 mi10552-618103+188103+1810893(Top 43%)8111(Top 56%)8111(Top 419%)
Half13.11 mi0.68 mi10543+98088+158088+1510708(Top 42%)8037(Top 55%)8037(Top 415%)
25K15.53 mi2.42 mi10318+2257922+1667922+1669604(Top 38%)7297(Top 50%)7297(Top 377%)
30K18.64 mi3.11 mi10405-877852+707852+7011004(Top 43%)7797(Top 53%)7797(Top 403%)
20M20.00 mi1.36 mi10506-1017852785212058(Top 47%)7975(Top 55%)7975(Top 412%)
21M21.00 mi1.00 mi10608-1027842+107842+1012816(Top 50%)8090(Top 55%)8090(Top 418%)
35K21.75 mi0.75 mi10583+257801+417801+4111035(Top 43%)7240(Top 50%)7240(Top 374%)
23M23.00 mi1.25 mi10839-2567868-677868-6714005(Top 55%)8553(Top 59%)8553(Top 442%)
24M24.00 mi1.00 mi10785+547793+757793+7510483(Top 41%)6786(Top 47%)6786(Top 351%)
40K24.85 mi0.85 mi10821-367760+337760+3312411(Top 49%)7649(Top 52%)7649(Top 395%)
25.2M25.20 mi0.35 mi10933-1127786-267786-2615730(Top 62%)9282(Top 64%)9282(Top 480%)
Finish26.22 mi1.02 mi11180-2477856-707856-7016788(Top 66%)9837(Top 67%)9837(Top 508%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10556

Males

8071

M50-54

8071

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10130

Males

7946

M50-54

7946

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10556

Males

8071

M50-54

8071

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

10893

Males

8111

M50-54

8111

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

10708

Males

8037

M50-54

8037

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9604

Males

7297

M50-54

7297

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11004

Males

7797

M50-54

7797

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12058

Males

7975

M50-54

7975

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12816

Males

8090

M50-54

8090

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11035

Males

7240

M50-54

7240

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14005

Males

8553

M50-54

8553

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10483

Males

6786

M50-54

6786

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12411

Males

7649

M50-54

7649

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15730

Males

9282

M50-54

9282

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

16788

Males

9837

M50-54

9837

Passing Analysis

Category:
Athletes Passed
2198
Passed By
2492
Net Change
-296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10884
5K → 10K521119+402#10884#10482
10K → 15K207216-9#10482#10491
15K → 20K206267-61#10491#10552
20K → Half4637+9#10552#10543
Half → 25K31893+225#10543#10318
25K → 30K262348-87#10318#10405
30K → 20M108208-101#10405#10506
20M → 21M99201-102#10506#10608
21M → 35K8863+25#10608#10583
35K → 23M83339-256#10583#10839
23M → 24M12268+54#10839#10785
24M → 40K78114-36#10785#10821
40K → 25.2M24136-112#10821#10933
25.2M → Finish36283-247#10933#11180
TOTALS21982492-296
📊

Passing Visuals

Category:
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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