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BOSTON MARATHON 2024

Chul Hun Lee

Bib: 16895•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
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
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
49:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:13:17
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:39:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:45:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:06:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:36:57
↑ 181↓ 1480.2%
20M
10:10/mi
2:50:46
↑ 64↓ 500.2%
21M
10:45/mi
3:01:31
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:08:39
↑ 17↓ 861.7%
23M
10:00/mi
3:21:10
↑ 23↓ 630.6%
24M
12:32/mi
3:33:42
↓ 821.3%
40K· 24.85 mi
10:37/mi
3:42:47
↓ 200.3%
25.2M
12:17/mi
3:47:01
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
3:56:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:03
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time2:11:18
Pace10:01 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4524:447:5824:44
7:58
-
10K
6.21 mi11:41:0149:007:5324:16
7:49
-0:09
15K
9.32 mi12:05:181:13:177:5224:17
7:49
0:00
20K
12.43 mi12:31:231:39:228:0026:05
8:24
+0:35
Half
13.11 mi12:37:041:45:038:015:41
8:20
-0:04
25K
15.53 mi12:58:412:06:408:0921:37
8:55
+0:35
30K
18.64 mi13:28:582:36:578:2530:17
9:45
+0:50
20M
20.00 mi13:42:472:50:468:3213:49
10:10
+0:25
21M
21.00 mi13:53:323:01:318:3910:45
10:45
+0:35
35K
21.75 mi14:00:403:08:398:407:08
9:32
-1:13
23M
23.00 mi14:13:113:21:108:4512:31
10:00
+0:28
24M
24.00 mi14:25:433:33:428:5412:32
12:32
+2:32
40K
24.85 mi14:34:483:42:478:589:05
10:37
-1:55
25.2M
25.20 mi14:39:023:47:019:014:14
12:17
+1:40
Finish
26.22 mi14:48:223:56:219:019:20
9:10
-3:07

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

7:49 /mi

Average Pace

9:01 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:03

44% of race

Time at Steady Pace

1:34:42

40% of race

Time at Slower Pace

36:36

15% of race

Average Pace: 9:01 /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 mi11:16:4524:447:5824:44
7:58
#14345
10K
6.21 mi11:41:0149:007:5324:16
7:49
#13515
15K
9.32 mi12:05:181:13:177:5224:17
7:49
#12998
20K
12.43 mi12:31:231:39:228:0026:05
8:24
#13404
Half
13.11 mi12:37:041:45:038:015:41
8:20
#13481
25K
15.53 mi12:58:412:06:408:0921:37
8:55
#13751
30K
18.64 mi13:28:582:36:578:2530:17
9:45
#14327
20M
20.00 mi13:42:472:50:468:3213:49
10:10
#14607
21M
21.00 mi13:53:323:01:318:3910:45
10:45
#14703
35K
21.75 mi14:00:403:08:398:407:08
9:32
#14753
23M
23.00 mi14:13:113:21:108:4512:31
10:00
#14813
24M
24.00 mi14:25:433:33:428:5412:32
12:32
#15471
40K
24.85 mi14:34:483:42:478:589:05
10:37
#15543
25.2M
25.20 mi14:39:023:47:019:014:14
12:17
#15595
Finish
26.22 mi14:48:223:56:219:019:20
9:10
#15544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi143459781978112056(Top 47%)8757(Top 60%)8757(Top 573%)
10K6.21 mi3.10 mi13515+8309442+3399442+33912733(Top 50%)9098(Top 62%)9098(Top 595%)
15K9.32 mi3.11 mi12998+5179219+2239219+22312056(Top 47%)8757(Top 60%)8757(Top 573%)
20K12.43 mi3.11 mi13404-4069356-1379356-13714214(Top 56%)9630(Top 66%)9630(Top 630%)
Half13.11 mi0.68 mi13481-779395-399395-3914753(Top 58%)9830(Top 67%)9830(Top 643%)
25K15.53 mi2.42 mi13751-2709475-809475-8015117(Top 59%)9846(Top 68%)9846(Top 644%)
30K18.64 mi3.11 mi14327-5769621-1469621-14616419(Top 64%)10187(Top 70%)10187(Top 666%)
20M20.00 mi1.36 mi14607-2809685-649685-6417000(Top 67%)10250(Top 70%)10250(Top 670%)
21M21.00 mi1.00 mi14703-969673+129673+1215618(Top 61%)9463(Top 65%)9463(Top 619%)
35K21.75 mi0.75 mi14753-509660+139660+1315598(Top 61%)9425(Top 65%)9425(Top 616%)
23M23.00 mi1.25 mi14813-609630+309630+3015446(Top 60%)9272(Top 64%)9272(Top 606%)
24M24.00 mi1.00 mi15471-6589881-2519881-25122327(Top 87%)12688(Top 87%)12688(Top 830%)
40K24.85 mi0.85 mi15543-729884-39884-317027(Top 67%)9951(Top 68%)9951(Top 651%)
25.2M25.20 mi0.35 mi15595-529890-69890-617949(Top 70%)10388(Top 71%)10388(Top 679%)
Finish26.22 mi1.02 mi15544+519839+519839+5114957(Top 59%)8969(Top 62%)8969(Top 587%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12056

Males

8757

M55-59

8757

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12733

Males

9098

M55-59

9098

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12056

Males

8757

M55-59

8757

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14214

Males

9630

M55-59

9630

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

14753

Males

9830

M55-59

9830

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15117

Males

9846

M55-59

9846

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16419

Males

10187

M55-59

10187

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17000

Males

10250

M55-59

10250

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15618

Males

9463

M55-59

9463

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

15598

Males

9425

M55-59

9425

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15446

Males

9272

M55-59

9272

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

22327

Males

12688

M55-59

12688

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17027

Males

9951

M55-59

9951

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17949

Males

10388

M55-59

10388

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

14957

Males

8969

M55-59

8969

Passing Analysis

Category:
Athletes Passed
2407
Passed By
3606
Net Change
-1199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14345
5K → 10K88353+830#14345#13515
10K → 15K55336+517#13515#12998
15K → 20K166572-406#12998#13404
20K → Half24101-77#13404#13481
Half → 25K134404-270#13481#13751
25K → 30K138714-576#13751#14327
30K → 20M65345-280#14327#14607
20M → 21M93189-96#14607#14703
21M → 35K61111-50#14703#14753
35K → 23M107167-60#14753#14813
23M → 24M14672-658#14813#15471
24M → 40K53125-72#15471#15543
40K → 25.2M2779-52#15543#15595
25.2M → Finish8938+51#15595#15544
TOTALS24073606-1199
📊

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