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BOSTON MARATHON 2024

Limin Mao

Bib: 21428•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 43%
Division (F50-54)
#0 / 1187
Top 39%
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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:16:53
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:42:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:48:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:08:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:17/mi
2:40:32
↑ 181↓ 1480.2%
20M
9:08/mi
2:52:57
↑ 64↓ 500.2%
21M
11:09/mi
3:04:06
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
3:10:12
↑ 17↓ 861.7%
23M
11:43/mi
3:24:52
↑ 23↓ 630.6%
24M
8:01/mi
3:32:53
↓ 821.3%
40K· 24.85 mi
11:58/mi
3:43:07
↓ 200.3%
25.2M
11:01/mi
3:46:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:55:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:07:46
Pace9:45 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1025:518:1925:51
8:19
-
10K
6.21 mi11:48:3851:198:1625:28
8:12
-0:07
15K
9.32 mi12:14:121:16:538:1525:34
8:14
+0:02
20K
12.43 mi12:39:541:42:358:1525:42
8:16
+0:02
Half
13.11 mi12:45:271:48:088:155:33
8:08
-0:08
25K
15.53 mi13:05:552:08:368:1720:28
8:26
+0:18
30K
18.64 mi13:37:512:40:328:3731:56
10:17
+1:51
20M
20.00 mi13:50:162:52:578:3912:25
9:08
-1:09
21M
21.00 mi14:01:253:04:068:4611:09
11:09
+2:01
35K
21.75 mi14:07:313:10:128:456:06
8:09
-3:00
23M
23.00 mi14:22:113:24:528:5414:40
11:43
+3:34
24M
24.00 mi14:30:123:32:538:528:01
8:01
-3:42
40K
24.85 mi14:40:263:43:078:5910:14
11:58
+3:57
25.2M
25.20 mi14:44:143:46:559:003:48
11:01
-0:57
Finish
26.22 mi14:53:133:55:549:008:59
8:49
-2:12

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

8:01 /mi

Average Pace

9:00 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:44:07

70% of race

Time at Slower Pace

1:11:47

30% of race

Average Pace: 9:00 /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 mi11:23:1025:518:1925:51
8:19
#16780
10K
6.21 mi11:48:3851:198:1625:28
8:12
#16109
15K
9.32 mi12:14:121:16:538:1525:34
8:14
#15627
20K
12.43 mi12:39:541:42:358:1525:42
8:16
#15058
Half
13.11 mi12:45:271:48:088:155:33
8:08
#14981
25K
15.53 mi13:05:552:08:368:1720:28
8:26
#14513
30K
18.64 mi13:37:512:40:328:3731:56
10:17
#15409
20M
20.00 mi13:50:162:52:578:3912:25
9:08
#15241
21M
21.00 mi14:01:253:04:068:4611:09
11:09
#15352
35K
21.75 mi14:07:313:10:128:456:06
8:09
#15146
23M
23.00 mi14:22:113:24:528:5414:40
11:43
#15665
24M
24.00 mi14:30:123:32:538:528:01
8:01
#15291
40K
24.85 mi14:40:263:43:078:5910:14
11:58
#15613
25.2M
25.20 mi14:44:143:46:559:003:48
11:01
#15578
Finish
26.22 mi14:53:133:55:549:008:59
8:49
#15474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi167806029602914888(Top 58%)4899(Top 45%)4899(Top 413%)
10K6.21 mi3.10 mi16109+6715609+4205609+42015529(Top 61%)5236(Top 48%)5236(Top 441%)
15K9.32 mi3.11 mi15627+4825327+2825327+28214888(Top 58%)4899(Top 45%)4899(Top 413%)
20K12.43 mi3.11 mi15058+5694980+3474980+34713569(Top 53%)4170(Top 38%)4170(Top 351%)
Half13.11 mi0.68 mi14981+774945+354945+3513690(Top 54%)4319(Top 40%)4319(Top 364%)
25K15.53 mi2.42 mi14513+4684713+2324713+23212771(Top 50%)3925(Top 36%)3925(Top 331%)
30K18.64 mi3.11 mi15409-8965323-6105323-61018190(Top 71%)7142(Top 65%)7142(Top 602%)
20M20.00 mi1.36 mi15241+1685270+535270+5312830(Top 50%)4483(Top 41%)4483(Top 378%)
21M21.00 mi1.00 mi15352-1115378-1085378-10816726(Top 65%)6709(Top 61%)6709(Top 565%)
35K21.75 mi0.75 mi15146+2065285+935285+938796(Top 34%)2627(Top 24%)2627(Top 221%)
23M23.00 mi1.25 mi15665-5195635-3505635-35020143(Top 79%)8468(Top 78%)8468(Top 713%)
24M24.00 mi1.00 mi15291+3745456+1795456+1796770(Top 26%)1905(Top 17%)1905(Top 160%)
40K24.85 mi0.85 mi15613-3225660-2045660-20420388(Top 80%)8710(Top 80%)8710(Top 734%)
25.2M25.20 mi0.35 mi15578+355662-25662-214600(Top 57%)5845(Top 54%)5845(Top 492%)
Finish26.22 mi1.02 mi15474+1045631+315631+3113279(Top 52%)5110(Top 47%)5110(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14888

Females

4899

F50-54

4899

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

15529

Females

5236

F50-54

5236

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14888

Females

4899

F50-54

4899

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13569

Females

4170

F50-54

4170

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

13690

Females

4319

F50-54

4319

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

12771

Females

3925

F50-54

3925

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18190

Females

7142

F50-54

7142

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

12830

Females

4483

F50-54

4483

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16726

Females

6709

F50-54

6709

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8796

Females

2627

F50-54

2627

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20143

Females

8468

F50-54

8468

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6770

Females

1905

F50-54

1905

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20388

Females

8710

F50-54

8710

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14600

Females

5845

F50-54

5845

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13279

Females

5110

F50-54

5110

Passing Analysis

Category:
Athletes Passed
3612
Passed By
2306
Net Change
+1306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16780
5K → 10K73665+671#16780#16109
10K → 15K52442+482#16109#15627
15K → 20K58819+569#15627#15058
20K → Half836+77#15058#14981
Half → 25K50133+468#14981#14513
25K → 30K67963-896#14513#15409
30K → 20M20234+168#15409#15241
20M → 21M94205-111#15241#15352
21M → 35K2082+206#15352#15146
35K → 23M36555-519#15146#15665
23M → 24M3740+374#15665#15291
24M → 40K22344-322#15291#15613
40K → 25.2M5520+35#15613#15578
25.2M → Finish12218+104#15578#15474
TOTALS36122306+1306
📊

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