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BOSTON MARATHON 2024

Sophia Leung

Bib: 21977•F

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
8:47/mi
27:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
54:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:21:39
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:49:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:55:30
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:17:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:23/mi
2:46:45
↑ 181↓ 1480.2%
20M
8:45/mi
2:58:39
↑ 64↓ 500.2%
21M
9:07/mi
3:07:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
3:13:54
↑ 17↓ 861.7%
23M
8:12/mi
3:24:10
↑ 23↓ 630.6%
24M
8:55/mi
3:33:05
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:40:40
↓ 200.3%
25.2M
9:43/mi
3:44:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:52:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:30
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time1:56:55
Pace8:55 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4527:178:4727:17
8:47
-
10K
6.21 mi11:50:3354:058:4226:48
8:38
-0:09
15K
9.32 mi12:18:071:21:398:4627:34
8:52
+0:14
20K
12.43 mi12:45:551:49:278:4827:48
8:57
+0:05
Half
13.11 mi12:51:581:55:308:496:03
8:52
-0:05
25K
15.53 mi13:14:052:17:378:5222:07
9:07
+0:15
30K
18.64 mi13:43:132:46:458:5729:08
9:23
+0:16
20M
20.00 mi13:55:072:58:398:5611:54
8:45
-0:38
21M
21.00 mi14:04:143:07:468:569:07
9:07
+0:22
35K
21.75 mi14:10:223:13:548:556:08
8:12
-0:55
23M
23.00 mi14:20:383:24:108:5310:16
8:12
0:00
24M
24.00 mi14:29:333:33:058:538:55
8:55
+0:43
40K
24.85 mi14:37:083:40:408:537:35
8:52
-0:03
25.2M
25.20 mi14:40:293:44:018:533:21
9:43
+0:51
Finish
26.22 mi14:48:533:52:258:528:24
8:15
-1:28

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

8:12 /mi

Average Pace

8:52 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:42

73% of race

Time at Steady Pace

1:00:22

26% of race

Time at Slower Pace

3:21

1% 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 mi11:23:4527:178:4727:17
8:47
#19201
10K
6.21 mi11:50:3354:058:4226:48
8:38
#18608
15K
9.32 mi12:18:071:21:398:4627:34
8:52
#18504
20K
12.43 mi12:45:551:49:278:4827:48
8:57
#18064
Half
13.11 mi12:51:581:55:308:496:03
8:52
#18045
25K
15.53 mi13:14:052:17:378:5222:07
9:07
#17628
30K
18.64 mi13:43:132:46:458:5729:08
9:23
#17108
20M
20.00 mi13:55:072:58:398:5611:54
8:45
#16661
21M
21.00 mi14:04:143:07:468:569:07
9:07
#16271
35K
21.75 mi14:10:223:13:548:556:08
8:12
#16016
23M
23.00 mi14:20:383:24:108:5310:16
8:12
#15497
24M
24.00 mi14:29:333:33:058:538:55
8:55
#15336
40K
24.85 mi14:37:083:40:408:537:35
8:52
#15107
25.2M
25.20 mi14:40:293:44:018:533:21
9:43
#14977
Finish
26.22 mi14:48:533:52:258:528:24
8:15
#14763
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi192017469746918320(Top 72%)6877(Top 63%)6877(Top 579%)
10K6.21 mi3.10 mi18608+5937109+3607109+36017993(Top 70%)6722(Top 62%)6722(Top 566%)
15K9.32 mi3.11 mi18504+1047022+877022+8718320(Top 72%)6877(Top 63%)6877(Top 579%)
20K12.43 mi3.11 mi18064+4406772+2506772+25017119(Top 67%)6228(Top 57%)6228(Top 525%)
Half13.11 mi0.68 mi18045+196767+56767+517647(Top 69%)6588(Top 60%)6588(Top 555%)
25K15.53 mi2.42 mi17628+4176560+2076560+20716095(Top 63%)5774(Top 53%)5774(Top 486%)
30K18.64 mi3.11 mi17108+5206318+2426318+24214956(Top 59%)5390(Top 49%)5390(Top 454%)
20M20.00 mi1.36 mi16661+4476101+2176101+21710897(Top 43%)3423(Top 31%)3423(Top 288%)
21M21.00 mi1.00 mi16271+3905907+1945907+1949149(Top 36%)2782(Top 25%)2782(Top 234%)
35K21.75 mi0.75 mi16016+2555785+1225785+1229036(Top 35%)2755(Top 25%)2755(Top 232%)
23M23.00 mi1.25 mi15497+5195537+2485537+2486841(Top 27%)1832(Top 17%)1832(Top 154%)
24M24.00 mi1.00 mi15336+1615478+595478+5911750(Top 46%)4286(Top 39%)4286(Top 361%)
40K24.85 mi0.85 mi15107+2295387+915387+9110274(Top 40%)3708(Top 34%)3708(Top 312%)
25.2M25.20 mi0.35 mi14977+1305330+575330+579780(Top 38%)3553(Top 33%)3553(Top 299%)
Finish26.22 mi1.02 mi14763+2145241+895241+8910035(Top 39%)3548(Top 32%)3548(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18320

Females

6877

F50-54

6877

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17993

Females

6722

F50-54

6722

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18320

Females

6877

F50-54

6877

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17119

Females

6228

F50-54

6228

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

17647

Females

6588

F50-54

6588

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16095

Females

5774

F50-54

5774

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

14956

Females

5390

F50-54

5390

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

10897

Females

3423

F50-54

3423

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9149

Females

2782

F50-54

2782

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9036

Females

2755

F50-54

2755

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

6841

Females

1832

F50-54

1832

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11750

Females

4286

F50-54

4286

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10274

Females

3708

F50-54

3708

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9780

Females

3553

F50-54

3553

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10035

Females

3548

F50-54

3548

Passing Analysis

Category:
Athletes Passed
4871
Passed By
433
Net Change
+4438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19201
5K → 10K67582+593#19201#18608
10K → 15K271167+104#18608#18504
15K → 20K48545+440#18504#18064
20K → Half4627+19#18064#18045
Half → 25K44730+417#18045#17628
25K → 30K56646+520#17628#17108
30K → 20M4492+447#17108#16661
20M → 21M3944+390#16661#16271
21M → 35K2550+255#16271#16016
35K → 23M5201+519#16016#15497
23M → 24M17514+161#15497#15336
24M → 40K2367+229#15336#15107
40K → 25.2M1344+130#15107#14977
25.2M → Finish2184+214#14977#14763
TOTALS4871433+4438
📊

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