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BOSTON MARATHON 2024

Youn Lee

Bib: 18361•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 48%
Division (F50-54)
#0 / 1187
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:21/mi
25:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:18:23
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:44:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:50:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:12:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:42:44
↑ 181↓ 1480.2%
20M
10:05/mi
2:56:26
↑ 64↓ 500.2%
21M
11:36/mi
3:08:02
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
3:15:53
↑ 17↓ 861.7%
23M
10:21/mi
3:28:51
↑ 23↓ 630.6%
24M
10:23/mi
3:39:14
↓ 821.3%
40K· 24.85 mi
10:22/mi
3:48:06
↓ 200.3%
25.2M
10:03/mi
3:51:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
4:00:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:45
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:09:24
Pace9:52 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3525:588:2125:58
8:21
-
10K
6.21 mi11:50:4552:088:2326:10
8:25
+0:04
15K
9.32 mi12:17:001:18:238:2526:15
8:27
+0:02
20K
12.43 mi12:43:351:44:588:2726:35
8:33
+0:06
Half
13.11 mi12:49:221:50:458:275:47
8:29
-0:04
25K
15.53 mi13:10:582:12:218:3121:36
8:55
+0:26
30K
18.64 mi13:41:212:42:448:4430:23
9:47
+0:52
20M
20.00 mi13:55:032:56:268:4913:42
10:05
+0:18
21M
21.00 mi14:06:393:08:028:5711:36
11:36
+1:31
35K
21.75 mi14:14:303:15:539:007:51
10:30
-1:06
23M
23.00 mi14:27:283:28:519:0512:58
10:21
-0:09
24M
24.00 mi14:37:513:39:149:0810:23
10:23
+0:02
40K
24.85 mi14:46:433:48:069:118:52
10:22
-0:01
25.2M
25.20 mi14:50:113:51:349:113:28
10:03
-0:19
Finish
26.22 mi14:58:464:00:099:108:35
8:25
-1:38

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

8:21 /mi

Average Pace

9:10 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:56

59% of race

Time at Steady Pace

47:33

20% of race

Time at Slower Pace

51:40

22% of race

Average Pace: 9:10 /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 mi11:24:3525:588:2125:58
8:21
#17001
10K
6.21 mi11:50:4552:088:2326:10
8:25
#16864
15K
9.32 mi12:17:001:18:238:2526:15
8:27
#16556
20K
12.43 mi12:43:351:44:588:2726:35
8:33
#16120
Half
13.11 mi12:49:221:50:458:275:47
8:29
#16066
25K
15.53 mi13:10:582:12:218:3121:36
8:55
#15858
30K
18.64 mi13:41:212:42:448:4430:23
9:47
#16059
20M
20.00 mi13:55:032:56:268:4913:42
10:05
#16137
21M
21.00 mi14:06:393:08:028:5711:36
11:36
#16326
35K
21.75 mi14:14:303:15:539:007:51
10:30
#16455
23M
23.00 mi14:27:283:28:519:0512:58
10:21
#16489
24M
24.00 mi14:37:513:39:149:0810:23
10:23
#16546
40K
24.85 mi14:46:433:48:069:118:52
10:22
#16534
25.2M
25.20 mi14:50:113:51:349:113:28
10:03
#16434
Finish
26.22 mi14:58:464:00:099:108:35
8:25
#16255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170016167616716126(Top 63%)5635(Top 52%)5635(Top 475%)
10K6.21 mi3.10 mi16864+1376075+926075+9216831(Top 66%)6032(Top 55%)6032(Top 508%)
15K9.32 mi3.11 mi16556+3085884+1915884+19116126(Top 63%)5635(Top 52%)5635(Top 475%)
20K12.43 mi3.11 mi16120+4365643+2415643+24115127(Top 59%)5087(Top 47%)5087(Top 429%)
Half13.11 mi0.68 mi16066+545622+215622+2115636(Top 61%)5436(Top 50%)5436(Top 458%)
25K15.53 mi2.42 mi15858+2085527+955527+9515103(Top 59%)5239(Top 48%)5239(Top 441%)
30K18.64 mi3.11 mi16059-2015707-1805707-18016562(Top 65%)6275(Top 57%)6275(Top 529%)
20M20.00 mi1.36 mi16137-785790-835790-8316760(Top 66%)6587(Top 60%)6587(Top 555%)
21M21.00 mi1.00 mi16326-1895937-1475937-14717899(Top 70%)7276(Top 67%)7276(Top 613%)
35K21.75 mi0.75 mi16455-1296018-816018-8118575(Top 73%)7619(Top 70%)7619(Top 642%)
23M23.00 mi1.25 mi16489-346078-606078-6016603(Top 65%)6706(Top 61%)6706(Top 565%)
24M24.00 mi1.00 mi16546-576142-646142-6417524(Top 69%)7220(Top 66%)7220(Top 608%)
40K24.85 mi0.85 mi16534+126164-226164-2216288(Top 64%)6640(Top 61%)6640(Top 559%)
25.2M25.20 mi0.35 mi16434+1006127+376127+3711233(Top 44%)4226(Top 39%)4226(Top 356%)
Finish26.22 mi1.02 mi16255+1796053+746053+7411131(Top 44%)4056(Top 37%)4056(Top 342%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16126

Females

5635

F50-54

5635

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16831

Females

6032

F50-54

6032

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16126

Females

5635

F50-54

5635

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15127

Females

5087

F50-54

5087

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15636

Females

5436

F50-54

5436

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15103

Females

5239

F50-54

5239

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

16562

Females

6275

F50-54

6275

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16760

Females

6587

F50-54

6587

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17899

Females

7276

F50-54

7276

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18575

Females

7619

F50-54

7619

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16603

Females

6706

F50-54

6706

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

17524

Females

7220

F50-54

7220

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16288

Females

6640

F50-54

6640

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11233

Females

4226

F50-54

4226

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11131

Females

4056

F50-54

4056

Passing Analysis

Category:
Athletes Passed
2526
Passed By
1780
Net Change
+746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17001
5K → 10K344207+137#17001#16864
10K → 15K39183+308#16864#16556
15K → 20K50367+436#16556#16120
20K → Half7218+54#16120#16066
Half → 25K30597+208#16066#15858
25K → 30K184385-201#15858#16059
30K → 20M91169-78#16059#16137
20M → 21M49238-189#16137#16326
21M → 35K44173-129#16326#16455
35K → 23M102136-34#16455#16489
23M → 24M67124-57#16489#16546
24M → 40K9179+12#16546#16534
40K → 25.2M1011+100#16534#16434
25.2M → Finish1823+179#16434#16255
TOTALS25261780+746
📊

Passing Visuals

Category:
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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