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BOSTON MARATHON 2024

Kenneth Lee

Bib: 21438•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
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
9:38/mi
29:57
↑ 97↓ 3451.5%
10K· 6.21 mi
9:15/mi
58:41
↑ 79↓ 1380.4%
15K· 9.32 mi
9:32/mi
1:28:18
↑ 67↓ 78
20K· 12.43 mi
9:35/mi
1:58:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
2:04:24
↑ 19↓ 370.5%
25K· 15.53 mi
11:07/mi
2:31:21
↑ 66↓ 880.2%
30K· 18.64 mi
11:45/mi
3:07:51
↑ 181↓ 1480.2%
20M
13:16/mi
3:25:53
↑ 64↓ 500.2%
21M
14:25/mi
3:40:18
↑ 106↓ 241.6%
35K· 21.75 mi
12:27/mi
3:49:37
↑ 17↓ 861.7%
23M
11:52/mi
4:04:29
↑ 23↓ 630.6%
24M
12:02/mi
4:16:31
↓ 821.3%
40K· 24.85 mi
12:43/mi
4:27:23
↓ 200.3%
25.2M
14:30/mi
4:32:23
↑ 13↓ 160.2%
Finish· 26.22 mi
11:04/mi
4:43:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:24
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:39:16
Pace12:09 /mi
📊Positive Split: 28.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:5529:579:3829:57
9:38
-
10K
6.21 mi11:56:3958:419:2728:44
9:15
-0:23
15K
9.32 mi12:26:161:28:189:2829:37
9:32
+0:17
20K
12.43 mi12:56:021:58:049:3029:46
9:35
+0:03
Half
13.11 mi13:02:222:04:249:296:20
9:17
-0:18
25K
15.53 mi13:29:192:31:219:4526:57
11:07
+1:50
30K
18.64 mi14:05:493:07:5110:0536:30
11:45
+0:38
20M
20.00 mi14:23:513:25:5310:1818:02
13:16
+1:31
21M
21.00 mi14:38:163:40:1810:2914:25
14:25
+1:09
35K
21.75 mi14:47:353:49:3710:339:19
12:27
-1:58
23M
23.00 mi15:02:274:04:2910:3814:52
11:52
-0:35
24M
24.00 mi15:14:294:16:3110:4112:02
12:02
+0:10
40K
24.85 mi15:25:214:27:2310:4510:52
12:43
+0:41
25.2M
25.20 mi15:30:214:32:2310:495:00
14:30
+1:47
Finish
26.22 mi15:41:384:43:4010:5011:17
11:04
-3:26

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

9:15 /mi

Average Pace

10:50 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:24

44% of race

Time at Steady Pace

1:50:57

39% of race

Time at Slower Pace

48:19

17% of race

Average Pace: 10:49 /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 mi11:27:5529:579:3829:57
9:38
#22114
10K
6.21 mi11:56:3958:419:2728:44
9:15
#21388
15K
9.32 mi12:26:161:28:189:2829:37
9:32
#21158
20K
12.43 mi12:56:021:58:049:3029:46
9:35
#20686
Half
13.11 mi13:02:222:04:249:296:20
9:17
#20607
25K
15.53 mi13:29:192:31:219:4526:57
11:07
#20806
30K
18.64 mi14:05:493:07:5110:0536:30
11:45
#20962
20M
20.00 mi14:23:513:25:5310:1818:02
13:16
#21197
21M
21.00 mi14:38:163:40:1810:2914:25
14:25
#21335
35K
21.75 mi14:47:353:49:3710:339:19
12:27
#21402
23M
23.00 mi15:02:274:04:2910:3814:52
11:52
#21334
24M
24.00 mi15:14:294:16:3110:4112:02
12:02
#21352
40K
24.85 mi15:25:214:27:2310:4510:52
12:43
#21362
25.2M
25.20 mi15:30:214:32:2310:495:00
14:30
#21375
Finish
26.22 mi15:41:384:43:4010:5011:17
11:04
#21375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi22114131021310220756(Top 81%)12522(Top 86%)12522(Top 1068%)
10K6.21 mi3.10 mi21388+72612761+34112761+34120626(Top 81%)12415(Top 85%)12415(Top 1058%)
15K9.32 mi3.11 mi21158+23012663+9812663+9820756(Top 81%)12522(Top 86%)12522(Top 1068%)
20K12.43 mi3.11 mi20686+47212454+20912454+20919457(Top 76%)11900(Top 82%)11900(Top 1014%)
Half13.11 mi0.68 mi20607+7912406+4812406+4819356(Top 76%)11796(Top 81%)11796(Top 1006%)
25K15.53 mi2.42 mi20806-19912483-7712483-7721708(Top 85%)12830(Top 88%)12830(Top 1094%)
30K18.64 mi3.11 mi20962-15612500-1712500-1721505(Top 84%)12559(Top 86%)12559(Top 1071%)
20M20.00 mi1.36 mi21197-23512587-8712587-8723176(Top 91%)13285(Top 91%)13285(Top 1133%)
21M21.00 mi1.00 mi21335-13812627-4012627-4022883(Top 90%)13100(Top 90%)13100(Top 1117%)
35K21.75 mi0.75 mi21402-6712646-1912646-1922508(Top 88%)12874(Top 88%)12874(Top 1098%)
23M23.00 mi1.25 mi21334+6812580+6612580+6620457(Top 80%)11792(Top 81%)11792(Top 1005%)
24M24.00 mi1.00 mi21352-1812568+1212568+1221501(Top 84%)12272(Top 84%)12272(Top 1046%)
40K24.85 mi0.85 mi21362-1012555+1312555+1321791(Top 85%)12381(Top 85%)12381(Top 1055%)
25.2M25.20 mi0.35 mi21375-1312553+212553+222341(Top 87%)12672(Top 87%)12672(Top 1080%)
Finish26.22 mi1.02 mi2137512532+2112532+2121510(Top 84%)12253(Top 84%)12253(Top 1045%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

20756

Males

12522

M60-64

12522

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

20626

Males

12415

M60-64

12415

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

20756

Males

12522

M60-64

12522

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19457

Males

11900

M60-64

11900

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

19356

Males

11796

M60-64

11796

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

21708

Males

12830

M60-64

12830

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21505

Males

12559

M60-64

12559

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

23176

Males

13285

M60-64

13285

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

22883

Males

13100

M60-64

13100

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22508

Males

12874

M60-64

12874

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

20457

Males

11792

M60-64

11792

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

21501

Males

12272

M60-64

12272

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21791

Males

12381

M60-64

12381

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

22341

Males

12672

M60-64

12672

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21510

Males

12253

M60-64

12253

Passing Analysis

Category:
Athletes Passed
2226
Passed By
1487
Net Change
+739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22114
5K → 10K75933+726#22114#21388
10K → 15K29767+230#21388#21158
15K → 20K50028+472#21158#20686
20K → Half845+79#20686#20607
Half → 25K101300-199#20607#20806
25K → 30K122278-156#20806#20962
30K → 20M24259-235#20962#21197
20M → 21M29167-138#21197#21335
21M → 35K37104-67#21335#21402
35K → 23M10436+68#21402#21334
23M → 24M5371-18#21334#21352
24M → 40K4959-10#21352#21362
40K → 25.2M1932-13#21362#21375
25.2M → Finish48480#21375#21375
TOTALS22261487+739
📊

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