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BOSTON MARATHON 2024

Jin Lee

Bib: 20773•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 48%
Masters (Masters Women)
#0 / 6263
Top 38%
Division (F50-54)
#0 / 1187
Top 32%
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
8:32/mi
26:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
52:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:18:37
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:44:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:50:28
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:12:55
↑ 66↓ 880.2%
30K· 18.64 mi
9:31/mi
2:42:29
↑ 181↓ 1480.2%
20M
9:09/mi
2:54:55
↑ 64↓ 500.2%
21M
10:08/mi
3:05:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
3:11:12
↑ 17↓ 861.7%
23M
8:40/mi
3:22:03
↑ 23↓ 630.6%
24M
9:10/mi
3:31:13
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:39:08
↓ 200.3%
25.2M
13:41/mi
3:43:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:52:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:02:07
Pace9:19 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1126:328:3226:32
8:32
-
10K
6.21 mi11:47:1752:388:2826:06
8:24
-0:08
15K
9.32 mi12:13:161:18:378:2625:59
8:22
-0:02
20K
12.43 mi12:39:361:44:578:2726:20
8:29
+0:07
Half
13.11 mi12:45:071:50:288:265:31
8:05
-0:24
25K
15.53 mi13:07:342:12:558:3322:27
9:16
+1:11
30K
18.64 mi13:37:082:42:298:4329:34
9:31
+0:15
20M
20.00 mi13:49:342:54:558:4512:26
9:09
-0:22
21M
21.00 mi13:59:423:05:038:4910:08
10:08
+0:59
35K
21.75 mi14:05:513:11:128:476:09
8:13
-1:55
23M
23.00 mi14:16:423:22:038:4710:51
8:40
+0:27
24M
24.00 mi14:25:523:31:138:489:10
9:10
+0:30
40K
24.85 mi14:33:473:39:088:497:55
9:16
+0:06
25.2M
25.20 mi14:38:303:43:518:534:43
13:41
+4:25
Finish
26.22 mi14:47:143:52:358:538:44
8:34
-5:07

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

8:05 /mi

Average Pace

8:53 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:08:10

81% of race

Time at Slower Pace

44:25

19% 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 mi11:21:1126:328:3226:32
8:32
#17991
10K
6.21 mi11:47:1752:388:2826:06
8:24
#17363
15K
9.32 mi12:13:161:18:378:2625:59
8:22
#16716
20K
12.43 mi12:39:361:44:578:2726:20
8:29
#16104
Half
13.11 mi12:45:071:50:288:265:31
8:05
#15949
25K
15.53 mi13:07:342:12:558:3322:27
9:16
#16074
30K
18.64 mi13:37:082:42:298:4329:34
9:31
#15985
20M
20.00 mi13:49:342:54:558:4512:26
9:09
#15740
21M
21.00 mi13:59:423:05:038:4910:08
10:08
#15611
35K
21.75 mi14:05:513:11:128:476:09
8:13
#15368
23M
23.00 mi14:16:423:22:038:4710:51
8:40
#15013
24M
24.00 mi14:25:523:31:138:489:10
9:10
#14893
40K
24.85 mi14:33:473:39:088:497:55
9:16
#14739
25.2M
25.20 mi14:38:303:43:518:534:43
13:41
#14939
Finish
26.22 mi14:47:143:52:358:538:44
8:34
#14797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi179916751675115634(Top 61%)5346(Top 49%)5346(Top 450%)
10K6.21 mi3.10 mi17363+6286367+3846367+38416701(Top 65%)5951(Top 54%)5951(Top 501%)
15K9.32 mi3.11 mi16716+6475972+3955972+39515634(Top 61%)5346(Top 49%)5346(Top 450%)
20K12.43 mi3.11 mi16104+6125632+3405632+34014690(Top 57%)4826(Top 44%)4826(Top 407%)
Half13.11 mi0.68 mi15949+1555555+775555+7713374(Top 52%)4138(Top 38%)4138(Top 349%)
25K15.53 mi2.42 mi16074-1255657-1025657-10216654(Top 65%)6076(Top 56%)6076(Top 512%)
30K18.64 mi3.11 mi15985+895663-65663-615522(Top 61%)5701(Top 52%)5701(Top 480%)
20M20.00 mi1.36 mi15740+2455562+1015562+10112899(Top 50%)4525(Top 41%)4525(Top 381%)
21M21.00 mi1.00 mi15611+1295531+315531+3113507(Top 53%)5047(Top 46%)5047(Top 425%)
35K21.75 mi0.75 mi15368+2435413+1185413+1189147(Top 36%)2807(Top 26%)2807(Top 236%)
23M23.00 mi1.25 mi15013+3555253+1605253+1609412(Top 37%)3095(Top 28%)3095(Top 261%)
24M24.00 mi1.00 mi14893+1205234+195234+1912967(Top 51%)4917(Top 45%)4917(Top 414%)
40K24.85 mi0.85 mi14739+1545187+475187+4712087(Top 47%)4584(Top 42%)4584(Top 386%)
25.2M25.20 mi0.35 mi14939-2005307-1205307-12021054(Top 82%)9005(Top 82%)9005(Top 759%)
Finish26.22 mi1.02 mi14797+1425258+495258+4911932(Top 47%)4437(Top 41%)4437(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

15634

Females

5346

F50-54

5346

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

16701

Females

5951

F50-54

5951

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

15634

Females

5346

F50-54

5346

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14690

Females

4826

F50-54

4826

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13374

Females

4138

F50-54

4138

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

16654

Females

6076

F50-54

6076

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

15522

Females

5701

F50-54

5701

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

12899

Females

4525

F50-54

4525

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13507

Females

5047

F50-54

5047

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9147

Females

2807

F50-54

2807

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9412

Females

3095

F50-54

3095

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

12967

Females

4917

F50-54

4917

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12087

Females

4584

F50-54

4584

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21054

Females

9005

F50-54

9005

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

11932

Females

4437

F50-54

4437

Passing Analysis

Category:
Athletes Passed
4181
Passed By
987
Net Change
+3194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17991
5K → 10K70880+628#17991#17363
10K → 15K66821+647#17363#16716
15K → 20K63422+612#16716#16104
20K → Half1561+155#16104#15949
Half → 25K173298-125#15949#16074
25K → 30K286197+89#16074#15985
30K → 20M26217+245#15985#15740
20M → 21M18657+129#15740#15611
21M → 35K2474+243#15611#15368
35K → 23M3561+355#15368#15013
23M → 24M16040+120#15013#14893
24M → 40K17218+154#14893#14739
40K → 25.2M12212-200#14739#14939
25.2M → Finish16119+142#14939#14797
TOTALS4181987+3194
📊

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