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BOSTON MARATHON 2024

Yeon Jin Lee

Bib: 29475•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 48%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:43
Rank: #6997
Start → 5K
21:43 | 6:59/mi
10K· 6.21 mi
43:11
Rank: #6503 (+494)
5K → 10K
21:28 | 6:55/mi
15K· 9.32 mi
1:04:58
Rank: #6401 (+102)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:27:57
Rank: #6646 (-245)
15K → 20K
22:59 | 7:24/mi
Half· 13.11 mi
1:33:08
Rank: #6781 (-135)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:52:44
Rank: #7322 (-541)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:19:29
Rank: #8026 (-704)
25K → 30K
26:45 | 8:37/mi
20M
2:33:16
Rank: #8863 (-837)
30K → 20M
13:47 | 10:09/mi
21M
2:44:57
Rank: #9625 (-762)
20M → 21M
11:41 | 11:41/mi
35K· 21.75 mi
2:52:29
Rank: #10019 (-394)
21M → 35K
7:32 | 10:04/mi
23M
3:08:49
Rank: #11521 (-1502)
35K → 23M
16:20 | 13:03/mi
24M
3:20:39
Rank: #12251 (-730)
23M → 24M
11:50 | 11:50/mi
40K· 24.85 mi
3:33:24
Rank: #13428 (-1177)
24M → 40K
12:45 | 14:55/mi
25.2M
3:38:42
Rank: #13809 (-381)
40K → 25.2M
5:18 | 15:22/mi
Finish· 26.22 mi
3:52:33
Rank: #14787 (-978)
25.2M → Finish
13:51 | 13:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time2:19:25
Pace10:38 /mi
📊Positive Split: 49.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:5421:436:5921:43
6:59
-
10K
6.21 mi11:58:2243:116:5721:28
6:55
-0:04
15K
9.32 mi12:20:091:04:586:5821:47
7:01
+0:06
20K
12.43 mi12:43:081:27:577:0522:59
7:24
+0:23
Half
13.11 mi12:48:191:33:087:065:11
7:36
+0:12
25K
15.53 mi13:07:551:52:447:1519:36
8:05
+0:29
30K
18.64 mi13:34:402:19:297:2926:45
8:37
+0:32
20M
20.00 mi13:48:272:33:167:4013:47
10:09
+1:32
21M
21.00 mi14:00:082:44:577:5111:41
11:41
+1:32
35K
21.75 mi14:07:402:52:297:567:32
10:04
-1:37
23M
23.00 mi14:24:003:08:498:1316:20
13:03
+2:59
24M
24.00 mi14:35:503:20:398:2211:50
11:50
-1:13
40K
24.85 mi14:48:353:33:248:3512:45
14:55
+3:05
25.2M
25.20 mi14:53:533:38:428:415:18
15:22
+0:27
Finish
26.22 mi15:07:443:52:338:5313:51
13:35
-1:47

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

6:55 /mi

Average Pace

8:53 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:44

48% of race

Time at Steady Pace

48:04

21% of race

Time at Slower Pace

1:11:45

31% of race

Average Pace: 8:52 /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 mi11:36:5421:436:5921:43
6:59
#6997
10K
6.21 mi11:58:2243:116:5721:28
6:55
#6503
15K
9.32 mi12:20:091:04:586:5821:47
7:01
#6401
20K
12.43 mi12:43:081:27:577:0522:59
7:24
#6646
Half
13.11 mi12:48:191:33:087:065:11
7:36
#6781
25K
15.53 mi13:07:551:52:447:1519:36
8:05
#7322
30K
18.64 mi13:34:402:19:297:2926:45
8:37
#8026
20M
20.00 mi13:48:272:33:167:4013:47
10:09
#8863
21M
21.00 mi14:00:082:44:577:5111:41
11:41
#9625
35K
21.75 mi14:07:402:52:297:567:32
10:04
#10019
23M
23.00 mi14:24:003:08:498:1316:20
13:03
#11521
24M
24.00 mi14:35:503:20:398:2211:50
11:50
#12251
40K
24.85 mi14:48:353:33:248:3512:45
14:55
#13428
25.2M
25.20 mi14:53:533:38:428:415:18
15:22
#13809
Finish
26.22 mi15:07:443:52:338:5313:51
13:35
#14787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi69978168166302(Top 25%)690(Top 6%)690(Top 15%)
10K6.21 mi3.10 mi6503+494700+116700+1166091(Top 24%)605(Top 6%)605(Top 13%)
15K9.32 mi3.11 mi6401+102682+18682+186302(Top 25%)690(Top 6%)690(Top 15%)
20K12.43 mi3.11 mi6646-245774-92774-927636(Top 30%)1241(Top 11%)1241(Top 27%)
Half13.11 mi0.68 mi6781-135816-42816-429920(Top 39%)2277(Top 21%)2277(Top 49%)
25K15.53 mi2.42 mi7322-5411044-2281044-22810741(Top 42%)2840(Top 26%)2840(Top 61%)
30K18.64 mi3.11 mi8026-7041408-3641408-36411236(Top 44%)3307(Top 30%)3307(Top 71%)
20M20.00 mi1.36 mi8863-8371810-4021810-40216945(Top 66%)6684(Top 61%)6684(Top 143%)
21M21.00 mi1.00 mi9625-7622240-4302240-43018082(Top 71%)7361(Top 67%)7361(Top 158%)
35K21.75 mi0.75 mi10019-3942480-2402480-24017389(Top 68%)7039(Top 64%)7039(Top 151%)
23M23.00 mi1.25 mi11521-15023310-8303310-83022614(Top 89%)9655(Top 88%)9655(Top 207%)
24M24.00 mi1.00 mi12251-7303764-4543764-45421091(Top 83%)8977(Top 82%)8977(Top 193%)
40K24.85 mi0.85 mi13428-11774452-6884452-68824479(Top 96%)10567(Top 97%)10567(Top 227%)
25.2M25.20 mi0.35 mi13809-3814684-2324684-23223421(Top 92%)10107(Top 93%)10107(Top 217%)
Finish26.22 mi1.02 mi14787-9785254-5705254-57024746(Top 97%)10687(Top 98%)10687(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6302

Females

690

F18-39

690

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6091

Females

605

F18-39

605

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6302

Females

690

F18-39

690

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7636

Females

1241

F18-39

1241

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

9920

Females

2277

F18-39

2277

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

10741

Females

2840

F18-39

2840

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11236

Females

3307

F18-39

3307

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16945

Females

6684

F18-39

6684

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18082

Females

7361

F18-39

7361

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

17389

Females

7039

F18-39

7039

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

22614

Females

9655

F18-39

9655

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21091

Females

8977

F18-39

8977

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24479

Females

10567

F18-39

10567

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

23421

Females

10107

F18-39

10107

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24746

Females

10687

F18-39

10687

Passing Analysis

Category:
Athletes Passed
1077
Passed By
8866
Net Change
-7790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6997
5K → 10K52329+494#6997#6503
10K → 15K18482+102#6503#6401
15K → 20K104349-245#6401#6646
20K → Half3138-135#6646#6781
Half → 25K72613-541#6781#7322
25K → 30K90794-704#7322#8026
30K → 20M15852-837#8026#8863
20M → 21M17779-762#8863#9625
21M → 35K18411-394#9625#10019
35K → 23M111513-1502#10019#11521
23M → 24M18748-730#11521#12251
24M → 40K41181-1177#12251#13428
40K → 25.2M7388-381#13428#13809
25.2M → Finish11989-978#13809#14787
TOTALS10778866-7790
📊

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