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BOSTON MARATHON 2024

Kyoungsup Lee

Bib: 8323•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 26%
Masters (Masters Men)
#0 / 9729
Top 15%
Division (M40-44)
#0 / 2009
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4245
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:23
Rank: #4240 (+5)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:02:39
Rank: #4486 (-246)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:23:32
Rank: #4123 (+363)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:28:07
Rank: #4098 (+25)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:34
Rank: #4325 (-227)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:08:04
Rank: #4220 (+105)
25K → 30K
22:30 | 7:15/mi
20M
2:18:34
Rank: #4288 (-68)
30K → 20M
10:30 | 7:44/mi
21M
2:27:02
Rank: #4323 (-35)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:32:44
Rank: #4330 (-7)
21M → 35K
5:42 | 7:37/mi
23M
2:42:48
Rank: #4339 (-9)
35K → 23M
10:04 | 8:02/mi
24M
2:50:19
Rank: #4246 (+93)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:56:50
Rank: #4165 (+81)
24M → 40K
6:31 | 7:37/mi
25.2M
2:59:53
Rank: #4165
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:07:57
Rank: #4231 (-66)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:07
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:39:50
Pace7:37 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4020:366:3820:36
6:38
-
10K
6.21 mi11:06:2741:236:4020:47
6:41
+0:03
15K
9.32 mi11:27:431:02:396:4321:16
6:51
+0:10
20K
12.43 mi11:48:361:23:326:4320:53
6:43
-0:08
Half
13.11 mi11:53:111:28:076:434:35
6:43
0:00
25K
15.53 mi12:10:381:45:346:4817:27
7:12
+0:29
30K
18.64 mi12:33:082:08:046:5222:30
7:15
+0:03
20M
20.00 mi12:43:382:18:346:5610:30
7:44
+0:29
21M
21.00 mi12:52:062:27:027:008:28
8:28
+0:44
35K
21.75 mi12:57:482:32:447:015:42
7:37
-0:51
23M
23.00 mi13:07:522:42:487:0510:04
8:02
+0:25
24M
24.00 mi13:15:232:50:197:067:31
7:31
-0:31
40K
24.85 mi13:21:542:56:507:076:31
7:37
+0:06
25.2M
25.20 mi13:24:572:59:537:083:03
8:51
+1:14
Finish
26.22 mi13:33:013:07:577:108:04
7:55
-0:56

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

6:38 /mi

Average Pace

7:10 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:07

47% of race

Time at Steady Pace

1:10:11

37% of race

Time at Slower Pace

29:39

16% of race

Average Pace: 7:10 /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 mi10:45:4020:366:3820:36
6:38
#4245
10K
6.21 mi11:06:2741:236:4020:47
6:41
#4240
15K
9.32 mi11:27:431:02:396:4321:16
6:51
#4486
20K
12.43 mi11:48:361:23:326:4320:53
6:43
#4123
Half
13.11 mi11:53:111:28:076:434:35
6:43
#4098
25K
15.53 mi12:10:381:45:346:4817:27
7:12
#4325
30K
18.64 mi12:33:082:08:046:5222:30
7:15
#4220
20M
20.00 mi12:43:382:18:346:5610:30
7:44
#4288
21M
21.00 mi12:52:062:27:027:008:28
8:28
#4323
35K
21.75 mi12:57:482:32:447:015:42
7:37
#4330
23M
23.00 mi13:07:522:42:487:0510:04
8:02
#4339
24M
24.00 mi13:15:232:50:197:067:31
7:31
#4246
40K
24.85 mi13:21:542:56:507:076:31
7:37
#4165
25.2M
25.20 mi13:24:572:59:537:083:03
8:51
#4165
Finish
26.22 mi13:33:013:07:577:108:04
7:55
#4231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4245400140015140(Top 20%)4716(Top 32%)4716(Top 235%)
10K6.21 mi3.10 mi4240+53993+83993+84249(Top 17%)3985(Top 27%)3985(Top 198%)
15K9.32 mi3.11 mi4486-2464193-2004193-2005140(Top 20%)4716(Top 32%)4716(Top 235%)
20K12.43 mi3.11 mi4123+3633875+3183875+3183339(Top 13%)3164(Top 22%)3164(Top 157%)
Half13.11 mi0.68 mi4098+253852+233852+233924(Top 15%)3672(Top 25%)3672(Top 183%)
25K15.53 mi2.42 mi4325-2274035-1834035-1835271(Top 21%)4677(Top 32%)4677(Top 233%)
30K18.64 mi3.11 mi4220+1053930+1053930+1053955(Top 15%)3583(Top 25%)3583(Top 178%)
20M20.00 mi1.36 mi4288-683968-383968-385320(Top 21%)4447(Top 31%)4447(Top 221%)
21M21.00 mi1.00 mi4323-353976-83976-86041(Top 24%)4702(Top 32%)4702(Top 234%)
35K21.75 mi0.75 mi4330-73972+43972+45627(Top 22%)4455(Top 31%)4455(Top 222%)
23M23.00 mi1.25 mi4339-93955+173955+175928(Top 23%)4489(Top 31%)4489(Top 223%)
24M24.00 mi1.00 mi4246+933856+993856+994193(Top 16%)3420(Top 23%)3420(Top 170%)
40K24.85 mi0.85 mi4165+813772+843772+843978(Top 16%)3192(Top 22%)3192(Top 159%)
25.2M25.20 mi0.35 mi41653762+103762+105779(Top 23%)4142(Top 28%)4142(Top 206%)
Finish26.22 mi1.02 mi4231-663788-263788-267995(Top 31%)5387(Top 37%)5387(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5140

Males

4716

M40-44

4716

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4249

Males

3985

M40-44

3985

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5140

Males

4716

M40-44

4716

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3339

Males

3164

M40-44

3164

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3924

Males

3672

M40-44

3672

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5271

Males

4677

M40-44

4677

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3955

Males

3583

M40-44

3583

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5320

Males

4447

M40-44

4447

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6041

Males

4702

M40-44

4702

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5627

Males

4455

M40-44

4455

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

5928

Males

4489

M40-44

4489

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4193

Males

3420

M40-44

3420

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

3978

Males

3192

M40-44

3192

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5779

Males

4142

M40-44

4142

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

7995

Males

5387

M40-44

5387

Passing Analysis

Category:
Athletes Passed
1576
Passed By
1562
Net Change
+14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4245
5K → 10K184179+5#4245#4240
10K → 15K61307-246#4240#4486
15K → 20K38017+363#4486#4123
20K → Half4217+25#4123#4098
Half → 25K73300-227#4098#4325
25K → 30K246141+105#4325#4220
30K → 20M76144-68#4220#4288
20M → 21M84119-35#4288#4323
21M → 35K5158-7#4323#4330
35K → 23M8998-9#4330#4339
23M → 24M13037+93#4339#4246
24M → 40K10019+81#4246#4165
40K → 25.2M26260#4165#4165
25.2M → Finish34100-66#4165#4231
TOTALS15761562+14
📊

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