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BOSTON MARATHON 2024

Jeong Hyun Lee

Bib: 5496•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 40%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 42%
Division (M50-54)
#0 / 1935
Top 44%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:52
Rank: #2673
Start → 5K
19:52 | 6:24/mi
10K· 6.21 mi
40:04
Rank: #2819 (-146)
5K → 10K
20:12 | 6:30/mi
15K· 9.32 mi
1:01:10
Rank: #3346 (-527)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:23:50
Rank: #4300 (-954)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:28:48
Rank: #4517 (-217)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:49:16
Rank: #5919 (-1402)
Half → 25K
20:28 | 8:26/mi
30K· 18.64 mi
2:17:44
Rank: #7366 (-1447)
25K → 30K
28:28 | 9:10/mi
20M
2:30:42
Rank: #7976 (-610)
30K → 20M
12:58 | 9:33/mi
21M
2:41:54
Rank: #8637 (-661)
20M → 21M
11:12 | 11:12/mi
35K· 21.75 mi
2:49:23
Rank: #9004 (-367)
21M → 35K
7:29 | 10:00/mi
23M
3:02:50
Rank: #9768 (-764)
35K → 23M
13:27 | 10:45/mi
24M
3:11:58
Rank: #9906 (-138)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:20:24
Rank: #10125 (-219)
24M → 40K
8:26 | 9:52/mi
25.2M
3:24:23
Rank: #10259 (-134)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
3:33:19
Rank: #10345 (-86)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:48
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time2:04:31
Pace9:30 /mi
📊Positive Split: 40.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4519:526:2419:52
6:24
-
10K
6.21 mi10:43:5740:046:2720:12
6:30
+0:06
15K
9.32 mi11:05:031:01:106:3421:06
6:47
+0:17
20K
12.43 mi11:27:431:23:506:4522:40
7:18
+0:31
Half
13.11 mi11:32:411:28:486:464:58
7:17
-0:01
25K
15.53 mi11:53:091:49:167:0220:28
8:26
+1:09
30K
18.64 mi12:21:372:17:447:2328:28
9:10
+0:44
20M
20.00 mi12:34:352:30:427:3212:58
9:33
+0:23
21M
21.00 mi12:45:472:41:547:4311:12
11:12
+1:39
35K
21.75 mi12:53:162:49:237:477:29
10:00
-1:12
23M
23.00 mi13:06:433:02:507:5713:27
10:45
+0:45
24M
24.00 mi13:15:513:11:588:009:08
9:08
-1:37
40K
24.85 mi13:24:173:20:248:048:26
9:52
+0:44
25.2M
25.20 mi13:28:163:24:238:073:59
11:33
+1:41
Finish
26.22 mi13:37:123:33:198:098:56
8:46
-2:47

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

6:24 /mi

Average Pace

8:09 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:48

42% of race

Time at Steady Pace

1:28:24

41% of race

Time at Slower Pace

36:07

17% of race

Average Pace: 8:08 /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 mi10:23:4519:526:2419:52
6:24
#2673
10K
6.21 mi10:43:5740:046:2720:12
6:30
#2819
15K
9.32 mi11:05:031:01:106:3421:06
6:47
#3346
20K
12.43 mi11:27:431:23:506:4522:40
7:18
#4300
Half
13.11 mi11:32:411:28:486:464:58
7:17
#4517
25K
15.53 mi11:53:091:49:167:0220:28
8:26
#5919
30K
18.64 mi12:21:372:17:447:2328:28
9:10
#7366
20M
20.00 mi12:34:352:30:427:3212:58
9:33
#7976
21M
21.00 mi12:45:472:41:547:4311:12
11:12
#8637
35K
21.75 mi12:53:162:49:237:477:29
10:00
#9004
23M
23.00 mi13:06:433:02:507:5713:27
10:45
#9768
24M
24.00 mi13:15:513:11:588:009:08
9:08
#9906
40K
24.85 mi13:24:173:20:248:048:26
9:52
#10125
25.2M
25.20 mi13:28:163:24:238:073:59
11:33
#10259
Finish
26.22 mi13:37:123:33:198:098:56
8:46
#10345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2673257225724658(Top 18%)4330(Top 30%)4330(Top 224%)
10K6.21 mi3.10 mi2819-1462702-1302702-1303030(Top 12%)2891(Top 20%)2891(Top 149%)
15K9.32 mi3.11 mi3346-5273185-4833185-4834658(Top 18%)4330(Top 30%)4330(Top 224%)
20K12.43 mi3.11 mi4300-9544018-8334018-8336951(Top 27%)5964(Top 41%)5964(Top 308%)
Half13.11 mi0.68 mi4517-2174199-1814199-1817513(Top 29%)6321(Top 43%)6321(Top 327%)
25K15.53 mi2.42 mi5919-14025299-11005299-110012735(Top 50%)8803(Top 60%)8803(Top 455%)
30K18.64 mi3.11 mi7366-14476235-9366235-93614010(Top 55%)9116(Top 63%)9116(Top 471%)
20M20.00 mi1.36 mi7976-6106526-2916526-29114683(Top 57%)9157(Top 63%)9157(Top 473%)
21M21.00 mi1.00 mi8637-6616854-3286854-32816847(Top 66%)10036(Top 69%)10036(Top 519%)
35K21.75 mi0.75 mi9004-3677012-1587012-15817124(Top 67%)10168(Top 70%)10168(Top 525%)
23M23.00 mi1.25 mi9768-7647329-3177329-31717672(Top 69%)10376(Top 71%)10376(Top 536%)
24M24.00 mi1.00 mi9906-1387354-257354-2512775(Top 50%)7930(Top 54%)7930(Top 410%)
40K24.85 mi0.85 mi10125-2197422-687422-6814488(Top 57%)8681(Top 60%)8681(Top 449%)
25.2M25.20 mi0.35 mi10259-1347469-477469-4716129(Top 63%)9483(Top 65%)9483(Top 490%)
Finish26.22 mi1.02 mi10345-867470-17470-112964(Top 51%)7979(Top 55%)7979(Top 412%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4658

Males

4330

M50-54

4330

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3030

Males

2891

M50-54

2891

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4658

Males

4330

M50-54

4330

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

6951

Males

5964

M50-54

5964

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7513

Males

6321

M50-54

6321

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12735

Males

8803

M50-54

8803

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14010

Males

9116

M50-54

9116

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

14683

Males

9157

M50-54

9157

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

16847

Males

10036

M50-54

10036

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17124

Males

10168

M50-54

10168

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

17672

Males

10376

M50-54

10376

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

12775

Males

7930

M50-54

7930

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

14488

Males

8681

M50-54

8681

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16129

Males

9483

M50-54

9483

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

12964

Males

7979

M50-54

7979

Passing Analysis

Category:
Athletes Passed
438*
Passed By
8108
Net Change
-7672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2673
5K → 10K82228-146#2673#2819
10K → 15K19546-527#2819#3346
15K → 20K22976-954#3346#4300
20K → Half3220-217#4300#4517
Half → 25K101412-1402#4517#5919
25K → 30K251472-1447#5919#7366
30K → 20M23633-610#7366#7976
20M → 21M23684-661#7976#8637
21M → 35K19386-367#8637#9004
35K → 23M34797-764#9004#9768
23M → 24M66*204-138#9768#9906
24M → 40K36254-219#9906#10125
40K → 25.2M15149-134#10125#10259
25.2M → Finish61147-86#10259#10345
TOTALS438*8108-7672

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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