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BOSTON MARATHON 2024

Kwang-Jae Yi

Bib: 18385•M

CA

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 46%
Division (M60-64)
#0 / 1173
Top 18%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:45
Rank: #14385
Start → 5K
7:58/mi
24:45 split
10K· 6.21 mi
49:56
Rank: #14673 (-288)
5K → 10K
8:06/mi
25:11 split
15K· 9.32 mi
1:15:01
Rank: #14369 (+304)
10K → 15K
8:04/mi
25:05 split
20K· 12.43 mi
1:40:12
Rank: #13832 (+537)
15K → 20K
8:06/mi
25:11 split
Half· 13.11 mi
1:45:36
Rank: #13732 (+100)
20K → Half
7:55/mi
5:24 split
25K· 15.53 mi
2:09:44
Rank: #14935 (-1203)
Half → 25K
9:57/mi
24:08 split
30K· 18.64 mi
2:36:16
Rank: #14106 (+829)
25K → 30K
8:32/mi
26:32 split
20M
2:47:42
Rank: #13686 (+420)
30K → 20M
8:25/mi
11:26 split
21M
2:56:28
Rank: #13237 (+449)
20M → 21M
8:46/mi
8:46 split
35K· 21.75 mi
3:02:21
Rank: #12959 (+278)
21M → 35K
7:52/mi
5:53 split
23M
3:12:13
Rank: #12455 (+504)
35K → 23M
7:53/mi
9:52 split
24M
3:20:03
Rank: #12097 (+358)
23M → 24M
7:50/mi
7:50 split
40K· 24.85 mi
3:26:36
Rank: #11742 (+355)
24M → 40K
7:40/mi
6:33 split
25.2M
3:29:38
Rank: #11601 (+141)
40K → 25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:37:15
Rank: #11288 (+313)
25.2M → Finish
7:28/mi
7:37 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:51:39
Pace8:31 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4624:457:5824:45
7:58
-
10K
6.21 mi11:44:5749:568:0225:11
8:06
+0:08
15K
9.32 mi12:10:021:15:018:0325:05
8:04
-0:02
20K
12.43 mi12:35:131:40:128:0425:11
8:06
+0:02
Half
13.11 mi12:40:371:45:368:035:24
7:55
-0:11
25K
15.53 mi13:04:452:09:448:2124:08
9:57
+2:02
30K
18.64 mi13:31:172:36:168:2326:32
8:32
-1:25
20M
20.00 mi13:42:432:47:428:2311:26
8:25
-0:07
21M
21.00 mi13:51:292:56:288:248:46
8:46
+0:21
35K
21.75 mi13:57:223:02:218:235:53
7:52
-0:54
23M
23.00 mi14:07:143:12:138:219:52
7:53
+0:01
24M
24.00 mi14:15:043:20:038:207:50
7:50
-0:03
40K
24.85 mi14:21:373:26:368:196:33
7:40
-0:10
25.2M
25.20 mi14:24:393:29:388:193:02
8:48
+1:08
Finish
26.22 mi14:32:163:37:158:187:37
7:28
-1:20

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

7:28 /mi

Average Pace

8:18 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:10

7% of race

Time at Steady Pace

2:09:11

59% of race

Time at Slower Pace

1:13:54

34% of race

Average Pace: 8:17 /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 mi11:19:4624:457:5824:45
7:58
#14385
10K
6.21 mi11:44:5749:568:0225:11
8:06
#14673
15K
9.32 mi12:10:021:15:018:0325:05
8:04
#14369
20K
12.43 mi12:35:131:40:128:0425:11
8:06
#13832
Half
13.11 mi12:40:371:45:368:035:24
7:55
#13732
25K
15.53 mi13:04:452:09:448:2124:08
9:57
#14935
30K
18.64 mi13:31:172:36:168:2326:32
8:32
#14106
20M
20.00 mi13:42:432:47:428:2311:26
8:25
#13686
21M
21.00 mi13:51:292:56:288:248:46
8:46
#13237
35K
21.75 mi13:57:223:02:218:235:53
7:52
#12959
23M
23.00 mi14:07:143:12:138:219:52
7:53
#12455
24M
24.00 mi14:15:043:20:038:207:50
7:50
#12097
40K
24.85 mi14:21:373:26:368:196:33
7:40
#11742
25.2M
25.20 mi14:24:393:29:388:193:02
8:48
#11601
Finish
26.22 mi14:32:163:37:158:187:37
7:28
#11288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi143859793979313922(Top 54%)9572(Top 66%)9572(Top 816%)
10K6.21 mi3.10 mi14673-2889901-1089901-10814895(Top 58%)9981(Top 68%)9981(Top 851%)
15K9.32 mi3.11 mi14369+3049780+1219780+12113922(Top 54%)9572(Top 66%)9572(Top 816%)
20K12.43 mi3.11 mi13832+5379538+2429538+24212549(Top 49%)8913(Top 61%)8913(Top 760%)
Half13.11 mi0.68 mi13732+1009495+439495+4312088(Top 47%)8675(Top 60%)8675(Top 740%)
25K15.53 mi2.42 mi14935-12039942-4479942-44718970(Top 74%)11579(Top 79%)11579(Top 987%)
30K18.64 mi3.11 mi14106+8299532+4109532+41010846(Top 42%)7710(Top 53%)7710(Top 657%)
20M20.00 mi1.36 mi13686+4209295+2379295+2378974(Top 35%)6512(Top 45%)6512(Top 555%)
21M21.00 mi1.00 mi13237+4499033+2629033+2627477(Top 29%)5536(Top 38%)5536(Top 472%)
35K21.75 mi0.75 mi12959+2788882+1518882+1516966(Top 27%)5227(Top 36%)5227(Top 446%)
23M23.00 mi1.25 mi12455+5048606+2768606+2765183(Top 20%)4087(Top 28%)4087(Top 348%)
24M24.00 mi1.00 mi12097+3588393+2138393+2135745(Top 22%)4332(Top 30%)4332(Top 369%)
40K24.85 mi0.85 mi11742+3558185+2088185+2084178(Top 16%)3326(Top 23%)3326(Top 284%)
25.2M25.20 mi0.35 mi11601+1418104+818104+815667(Top 22%)4112(Top 28%)4112(Top 351%)
Finish26.22 mi1.02 mi11288+3137908+1967908+1965503(Top 22%)4086(Top 28%)4086(Top 348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

13922

Males

9572

M60-64

9572

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

14895

Males

9981

M60-64

9981

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

13922

Males

9572

M60-64

9572

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12549

Males

8913

M60-64

8913

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12088

Males

8675

M60-64

8675

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

18970

Males

11579

M60-64

11579

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

10846

Males

7710

M60-64

7710

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

8974

Males

6512

M60-64

6512

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7477

Males

5536

M60-64

5536

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

6966

Males

5227

M60-64

5227

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5183

Males

4087

M60-64

4087

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5745

Males

4332

M60-64

4332

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4178

Males

3326

M60-64

3326

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5667

Males

4112

M60-64

4112

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5503

Males

4086

M60-64

4086

Passing Analysis

Category:
Athletes Passed
4970
Passed By
1873
Net Change
+3097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14385
5K → 10K183471-288#14385#14673
10K → 15K409105+304#14673#14369
15K → 20K56730+537#14369#13832
20K → Half1022+100#13832#13732
Half → 25K391242-1203#13732#14935
25K → 30K8378+829#14935#14106
30K → 20M4233+420#14106#13686
20M → 21M4512+449#13686#13237
21M → 35K2780+278#13237#12959
35K → 23M5040+504#12959#12455
23M → 24M3591+358#12455#12097
24M → 40K3561+355#12097#11742
40K → 25.2M1443+141#11742#11601
25.2M → Finish3185+313#11601#11288
TOTALS49701873+3097
📊

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