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BOSTON MARATHON 2024

Seung Lee

Bib: 20504•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 43%
Masters (Masters Women)
#0 / 6263
Top 32%
Division (F50-54)
#0 / 1187
Top 26%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:15
Rank: #17495
Start → 5K
26:15 | 8:27/mi
10K· 6.21 mi
52:18
Rank: #17021 (+474)
5K → 10K
26:03 | 8:23/mi
15K· 9.32 mi
1:18:24
Rank: #16566 (+455)
10K → 15K
26:06 | 8:24/mi
20K· 12.43 mi
1:44:46
Rank: #16005 (+561)
15K → 20K
26:22 | 8:29/mi
Half· 13.11 mi
1:50:29
Rank: #15957 (+48)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:11:15
Rank: #15487 (+470)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:39:06
Rank: #15001 (+486)
25K → 30K
27:51 | 8:58/mi
20M
2:51:13
Rank: #14730 (+271)
30K → 20M
12:07 | 8:55/mi
21M
3:01:02
Rank: #14580 (+150)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:07:42
Rank: #14485 (+95)
21M → 35K
6:40 | 8:55/mi
23M
3:19:00
Rank: #14259 (+226)
35K → 23M
11:18 | 9:02/mi
24M
3:28:00
Rank: #14147 (+112)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:35:44
Rank: #14000 (+147)
24M → 40K
7:44 | 9:03/mi
25.2M
3:39:16
Rank: #13947 (+53)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:47:59
Rank: #13835 (+112)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:57:30
Pace8:58 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0826:158:2726:15
8:27
-
10K
6.21 mi11:43:1152:188:2526:03
8:23
-0:04
15K
9.32 mi12:09:171:18:248:2526:06
8:24
+0:01
20K
12.43 mi12:35:391:44:468:2626:22
8:29
+0:05
Half
13.11 mi12:41:221:50:298:265:43
8:23
-0:06
25K
15.53 mi13:02:082:11:158:2720:46
8:34
+0:11
30K
18.64 mi13:29:592:39:068:3227:51
8:58
+0:24
20M
20.00 mi13:42:062:51:138:3412:07
8:55
-0:03
21M
21.00 mi13:51:553:01:028:379:49
9:49
+0:54
35K
21.75 mi13:58:353:07:428:386:40
8:55
-0:54
23M
23.00 mi14:09:533:19:008:3911:18
9:02
+0:07
24M
24.00 mi14:18:533:28:008:409:00
9:00
-0:02
40K
24.85 mi14:26:373:35:448:417:44
9:03
+0:03
25.2M
25.20 mi14:30:093:39:168:423:32
10:15
+1:12
Finish
26.22 mi14:38:523:47:598:428:43
8:33
-1:42

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

8:23 /mi

Average Pace

8:42 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:58

61% of race

Time at Steady Pace

1:14:40

33% of race

Time at Slower Pace

13:21

6% of race

Average Pace: 8:42 /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 mi11:17:0826:158:2726:15
8:27
#17495
10K
6.21 mi11:43:1152:188:2526:03
8:23
#17021
15K
9.32 mi12:09:171:18:248:2526:06
8:24
#16566
20K
12.43 mi12:35:391:44:468:2626:22
8:29
#16005
Half
13.11 mi12:41:221:50:298:265:43
8:23
#15957
25K
15.53 mi13:02:082:11:158:2720:46
8:34
#15487
30K
18.64 mi13:29:592:39:068:3227:51
8:58
#15001
20M
20.00 mi13:42:062:51:138:3412:07
8:55
#14730
21M
21.00 mi13:51:553:01:028:379:49
9:49
#14580
35K
21.75 mi13:58:353:07:428:386:40
8:55
#14485
23M
23.00 mi14:09:533:19:008:3911:18
9:02
#14259
24M
24.00 mi14:18:533:28:008:409:00
9:00
#14147
40K
24.85 mi14:26:373:35:448:417:44
9:03
#14000
25.2M
25.20 mi14:30:093:39:168:423:32
10:15
#13947
Finish
26.22 mi14:38:523:47:598:428:43
8:33
#13835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi174956463646315843(Top 62%)5473(Top 50%)5473(Top 461%)
10K6.21 mi3.10 mi17021+4746163+3006163+30016608(Top 65%)5892(Top 54%)5892(Top 496%)
15K9.32 mi3.11 mi16566+4555888+2755888+27515843(Top 62%)5473(Top 50%)5473(Top 461%)
20K12.43 mi3.11 mi16005+5615577+3115577+31114747(Top 58%)4863(Top 45%)4863(Top 410%)
Half13.11 mi0.68 mi15957+485559+185559+1815070(Top 59%)5084(Top 47%)5084(Top 428%)
25K15.53 mi2.42 mi15487+4705294+2655294+26513412(Top 52%)4274(Top 39%)4274(Top 360%)
30K18.64 mi3.11 mi15001+4865085+2095085+20913068(Top 51%)4318(Top 40%)4318(Top 364%)
20M20.00 mi1.36 mi14730+2714965+1204965+12011716(Top 46%)3873(Top 35%)3873(Top 326%)
21M21.00 mi1.00 mi14580+1504923+424923+4212223(Top 48%)4376(Top 40%)4376(Top 369%)
35K21.75 mi0.75 mi14485+954893+304893+3012899(Top 50%)4756(Top 44%)4756(Top 401%)
23M23.00 mi1.25 mi14259+2264828+654828+6511324(Top 44%)4067(Top 37%)4067(Top 343%)
24M24.00 mi1.00 mi14147+1124812+164812+1612192(Top 48%)4517(Top 41%)4517(Top 381%)
40K24.85 mi0.85 mi14000+1474773+394773+3911095(Top 43%)4103(Top 38%)4103(Top 346%)
25.2M25.20 mi0.35 mi13947+534763+104763+1011938(Top 47%)4569(Top 42%)4569(Top 385%)
Finish26.22 mi1.02 mi13835+1124729+344729+3411839(Top 46%)4389(Top 40%)4389(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

15843

Females

5473

F50-54

5473

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16608

Females

5892

F50-54

5892

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

15843

Females

5473

F50-54

5473

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

14747

Females

4863

F50-54

4863

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15070

Females

5084

F50-54

5084

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13412

Females

4274

F50-54

4274

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13068

Females

4318

F50-54

4318

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

11716

Females

3873

F50-54

3873

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12223

Females

4376

F50-54

4376

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

12899

Females

4756

F50-54

4756

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11324

Females

4067

F50-54

4067

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12192

Females

4517

F50-54

4517

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11095

Females

4103

F50-54

4103

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

11938

Females

4569

F50-54

4569

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

11839

Females

4389

F50-54

4389

Passing Analysis

Category:
Athletes Passed
4160
Passed By
500
Net Change
+3660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17495
5K → 10K577103+474#17495#17021
10K → 15K50146+455#17021#16566
15K → 20K59332+561#16566#16005
20K → Half7123+48#16005#15957
Half → 25K48919+470#15957#15487
25K → 30K53751+486#15487#15001
30K → 20M29120+271#15001#14730
20M → 21M20151+150#14730#14580
21M → 35K12631+95#14580#14485
35K → 23M25832+226#14485#14259
23M → 24M14533+112#14259#14147
24M → 40K16114+147#14147#14000
40K → 25.2M6714+53#14000#13947
25.2M → Finish14331+112#13947#13835
TOTALS4160500+3660
📊

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