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BOSTON MARATHON 2024

Yin Ju Lee

Bib: 14211•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

Start
0:00:00
Race begins
5K· 3.11 mi
24:31
Rank: #13831
Start → 5K
24:31 | 7:53/mi
10K· 6.21 mi
49:32
Rank: #14211 (-380)
5K → 10K
25:01 | 8:03/mi
15K· 9.32 mi
1:15:10
Rank: #14485 (-274)
10K → 15K
25:38 | 8:15/mi
20K· 12.43 mi
1:42:25
Rank: #14982 (-497)
15K → 20K
27:15 | 8:46/mi
Half· 13.11 mi
1:48:45
Rank: #15221 (-239)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:10:06
Rank: #15071 (+150)
Half → 25K
21:21 | 8:48/mi
30K· 18.64 mi
2:39:39
Rank: #15168 (-97)
25K → 30K
29:33 | 9:31/mi
20M
2:52:47
Rank: #15190 (-22)
30K → 20M
13:08 | 9:40/mi
21M
3:02:57
Rank: #15079 (+111)
20M → 21M
10:10 | 10:10/mi
35K· 21.75 mi
3:09:52
Rank: #15060 (+19)
21M → 35K
6:55 | 9:15/mi
23M
3:21:33
Rank: #14901 (+159)
35K → 23M
11:41 | 9:20/mi
24M
3:30:36
Rank: #14736 (+165)
23M → 24M
9:03 | 9:03/mi
40K· 24.85 mi
3:38:32
Rank: #14605 (+131)
24M → 40K
7:56 | 9:17/mi
25.2M
3:42:19
Rank: #14599 (+6)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:51:29
Rank: #14562 (+37)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:45
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:02:44
Pace9:22 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0124:317:5324:31
7:53
-
10K
6.21 mi11:21:0249:327:5825:01
8:03
+0:10
15K
9.32 mi11:46:401:15:108:0425:38
8:15
+0:12
20K
12.43 mi12:13:551:42:258:1427:15
8:46
+0:31
Half
13.11 mi12:20:151:48:458:186:20
9:17
+0:31
25K
15.53 mi12:41:362:10:068:2321:21
8:48
-0:29
30K
18.64 mi13:11:092:39:398:3429:33
9:31
+0:43
20M
20.00 mi13:24:172:52:478:3813:08
9:40
+0:09
21M
21.00 mi13:34:273:02:578:4310:10
10:10
+0:30
35K
21.75 mi13:41:223:09:528:446:55
9:15
-0:55
23M
23.00 mi13:53:033:21:338:4611:41
9:20
+0:05
24M
24.00 mi14:02:063:30:368:479:03
9:03
-0:17
40K
24.85 mi14:10:023:38:328:487:56
9:17
+0:14
25.2M
25.20 mi14:13:493:42:198:493:47
10:58
+1:41
Finish
26.22 mi14:22:593:51:298:509:10
9:00
-1:58

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

7:53 /mi

Average Pace

8:50 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:46

53% of race

Time at Steady Pace

1:20:38

35% of race

Time at Slower Pace

27:05

12% of race

Average Pace: 8:50 /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 mi10:56:0124:317:5324:31
7:53
#13831
10K
6.21 mi11:21:0249:327:5825:01
8:03
#14211
15K
9.32 mi11:46:401:15:108:0425:38
8:15
#14485
20K
12.43 mi12:13:551:42:258:1427:15
8:46
#14982
Half
13.11 mi12:20:151:48:458:186:20
9:17
#15221
25K
15.53 mi12:41:362:10:068:2321:21
8:48
#15071
30K
18.64 mi13:11:092:39:398:3429:33
9:31
#15168
20M
20.00 mi13:24:172:52:478:3813:08
9:40
#15190
21M
21.00 mi13:34:273:02:578:4310:10
10:10
#15079
35K
21.75 mi13:41:223:09:528:446:55
9:15
#15060
23M
23.00 mi13:53:033:21:338:4611:41
9:20
#14901
24M
24.00 mi14:02:063:30:368:479:03
9:03
#14736
40K
24.85 mi14:10:023:38:328:487:56
9:17
#14605
25.2M
25.20 mi14:13:493:42:198:493:47
10:58
#14599
Finish
26.22 mi14:22:593:51:298:509:10
9:00
#14562
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi138319591959115020(Top 59%)10009(Top 69%)10009(Top 655%)
10K6.21 mi3.10 mi14211-3809712-1219712-12114582(Top 57%)9869(Top 68%)9869(Top 645%)
15K9.32 mi3.11 mi14485-2749828-1169828-11615020(Top 59%)10009(Top 69%)10009(Top 655%)
20K12.43 mi3.11 mi14982-49710015-18710015-18716251(Top 64%)10474(Top 72%)10474(Top 685%)
Half13.11 mi0.68 mi15221-23910096-8110096-8119401(Top 76%)11802(Top 81%)11802(Top 772%)
25K15.53 mi2.42 mi15071+1509996+1009996+10014610(Top 57%)9624(Top 66%)9624(Top 629%)
30K18.64 mi3.11 mi15168-979955+419955+4115503(Top 61%)9777(Top 67%)9777(Top 639%)
20M20.00 mi1.36 mi15190-229913+429913+4215237(Top 60%)9395(Top 64%)9395(Top 614%)
21M21.00 mi1.00 mi15079+1119826+879826+8713642(Top 53%)8484(Top 58%)8484(Top 555%)
35K21.75 mi0.75 mi15060+199800+269800+2614525(Top 57%)8878(Top 61%)8878(Top 581%)
23M23.00 mi1.25 mi14901+1599670+1309670+13012769(Top 50%)7941(Top 54%)7941(Top 519%)
24M24.00 mi1.00 mi14736+1659548+1229548+12212467(Top 49%)7774(Top 53%)7774(Top 508%)
40K24.85 mi0.85 mi14605+1319460+889460+8812202(Top 48%)7529(Top 52%)7529(Top 492%)
25.2M25.20 mi0.35 mi14599+69446+149446+1414459(Top 57%)8629(Top 59%)8629(Top 564%)
Finish26.22 mi1.02 mi14562+379405+419405+4114228(Top 56%)8594(Top 59%)8594(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15020

Males

10009

M55-59

10009

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

14582

Males

9869

M55-59

9869

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15020

Males

10009

M55-59

10009

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16251

Males

10474

M55-59

10474

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19401

Males

11802

M55-59

11802

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

14610

Males

9624

M55-59

9624

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15503

Males

9777

M55-59

9777

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15237

Males

9395

M55-59

9395

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13642

Males

8484

M55-59

8484

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

14525

Males

8878

M55-59

8878

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

12769

Males

7941

M55-59

7941

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12467

Males

7774

M55-59

7774

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12202

Males

7529

M55-59

7529

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14459

Males

8629

M55-59

8629

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14228

Males

8594

M55-59

8594

Passing Analysis

Category:
Athletes Passed
1980
Passed By
2711
Net Change
-731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13831
5K → 10K167547-380#13831#14211
10K → 15K150424-274#14211#14485
15K → 20K105602-497#14485#14982
20K → Half7246-239#14982#15221
Half → 25K282132+150#15221#15071
25K → 30K237334-97#15071#15168
30K → 20M112134-22#15168#15190
20M → 21M17665+111#15190#15079
21M → 35K6950+19#15079#15060
35K → 23M20344+159#15060#14901
23M → 24M18318+165#14901#14736
24M → 40K15625+131#14736#14605
40K → 25.2M3933+6#14605#14599
25.2M → Finish9457+37#14599#14562
TOTALS19802711-731
📊

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