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BOSTON MARATHON 2023

Sophia Lin

Bib: 29285•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:26/mi
29:20
↑ 97↓ 3451.5%
10K· 6.21 mi
9:52/mi
59:58
↑ 79↓ 1380.4%
15K· 9.32 mi
10:11/mi
1:31:37
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:05:14
↑ 106↓ 860.1%
Half· 13.11 mi
10:39/mi
2:12:30
↑ 19↓ 370.5%
25K· 15.53 mi
11:39/mi
2:40:46
↑ 66↓ 880.2%
30K· 18.64 mi
12:33/mi
3:19:47
↑ 181↓ 1480.2%
20M
11:34/mi
3:35:30
↑ 64↓ 500.2%
21M
12:31/mi
3:48:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:56/mi
3:56:12
↑ 17↓ 861.7%
23M
12:24/mi
4:11:44
↑ 23↓ 630.6%
24M
10:29/mi
4:22:13
↓ 821.3%
40K· 24.85 mi
10:57/mi
4:31:35
↓ 200.3%
25.2M
12:14/mi
4:35:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:46/mi
4:46:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:30
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:34:16
Pace11:46 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2829:209:2629:20
9:26
-
10K
6.21 mi12:15:0659:589:3930:38
9:52
+0:26
15K
9.32 mi12:46:451:31:379:5031:39
10:11
+0:19
20K
12.43 mi13:20:222:05:1410:0533:37
10:49
+0:38
Half
13.11 mi13:27:382:12:3010:067:16
10:39
-0:10
25K
15.53 mi13:55:542:40:4610:2128:16
11:39
+1:00
30K
18.64 mi14:34:553:19:4710:4339:01
12:33
+0:54
20M
20.00 mi14:50:383:35:3010:4615:43
11:34
-0:59
21M
21.00 mi15:03:093:48:0110:5112:31
12:31
+0:57
35K
21.75 mi15:11:203:56:1210:528:11
10:56
-1:35
23M
23.00 mi15:26:524:11:4410:5715:32
12:24
+1:28
24M
24.00 mi15:37:214:22:1310:5610:29
10:29
-1:55
40K
24.85 mi15:46:434:31:3510:569:22
10:57
+0:28
25.2M
25.20 mi15:50:564:35:4810:574:13
12:14
+1:17
Finish
26.22 mi16:01:544:46:4610:5710:58
10:46
-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

9:26 /mi

Average Pace

10:57 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:37

32% of race

Time at Steady Pace

1:19:53

28% of race

Time at Slower Pace

1:55:16

40% of race

Average Pace: 10:56 /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 mi11:44:2829:209:2629:20
9:26
#21926
10K
6.21 mi12:15:0659:589:3930:38
9:52
#22760
15K
9.32 mi12:46:451:31:379:5031:39
10:11
#23220
20K
12.43 mi13:20:222:05:1410:0533:37
10:49
#23590
Half
13.11 mi13:27:382:12:3010:067:16
10:39
#23643
25K
15.53 mi13:55:542:40:4610:2128:16
11:39
#23863
30K
18.64 mi14:34:553:19:4710:4339:01
12:33
#24201
20M
20.00 mi14:50:383:35:3010:4615:43
11:34
#24161
21M
21.00 mi15:03:093:48:0110:5112:31
12:31
#24129
35K
21.75 mi15:11:203:56:1210:528:11
10:56
#24112
23M
23.00 mi15:26:524:11:4410:5715:32
12:24
#24144
24M
24.00 mi15:37:214:22:1310:5610:29
10:29
#24060
40K
24.85 mi15:46:434:31:3510:569:22
10:57
#24009
25.2M
25.20 mi15:50:564:35:4810:574:13
12:14
#23994
Finish
26.22 mi16:01:544:46:4610:5710:58
10:46
#23981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi219268848884823844(Top 90%)9811(Top 86%)9811(Top 1862%)
10K6.21 mi3.10 mi22760-8349231-3839231-38323404(Top 88%)9569(Top 84%)9569(Top 1816%)
15K9.32 mi3.11 mi23220-4609469-2389469-23823844(Top 90%)9811(Top 86%)9811(Top 1862%)
20K12.43 mi3.11 mi23590-3709657-1889657-18824354(Top 91%)10122(Top 89%)10122(Top 1921%)
Half13.11 mi0.68 mi23643-539691-349691-3424473(Top 92%)10193(Top 89%)10193(Top 1934%)
25K15.53 mi2.42 mi23863-2209828-1379828-13724853(Top 93%)10433(Top 91%)10433(Top 1980%)
30K18.64 mi3.11 mi24201-33810044-21610044-21625053(Top 94%)10595(Top 93%)10595(Top 2010%)
20M20.00 mi1.36 mi24161+4010032+1210032+1223626(Top 89%)9852(Top 86%)9852(Top 1869%)
21M21.00 mi1.00 mi24129+3210021+1110021+1123476(Top 88%)9798(Top 86%)9798(Top 1859%)
35K21.75 mi0.75 mi24112+1710014+710014+723207(Top 87%)9700(Top 85%)9700(Top 1841%)
23M23.00 mi1.25 mi24144-3210045-3110045-3124487(Top 92%)10383(Top 91%)10383(Top 1970%)
24M24.00 mi1.00 mi24060+8410002+4310002+4322021(Top 83%)9114(Top 80%)9114(Top 1729%)
40K24.85 mi0.85 mi24009+519979+239979+2322276(Top 84%)9285(Top 81%)9285(Top 1762%)
25.2M25.20 mi0.35 mi23994+159972+79972+722893(Top 86%)9606(Top 84%)9606(Top 1823%)
Finish26.22 mi1.02 mi23981+139971+19971+123548(Top 88%)9934(Top 87%)9934(Top 1885%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23844

Females

9811

F60-64

9811

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23404

Females

9569

F60-64

9569

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23844

Females

9811

F60-64

9811

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24354

Females

10122

F60-64

10122

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24473

Females

10193

F60-64

10193

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24853

Females

10433

F60-64

10433

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25053

Females

10595

F60-64

10595

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23626

Females

9852

F60-64

9852

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23476

Females

9798

F60-64

9798

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23207

Females

9700

F60-64

9700

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24487

Females

10383

F60-64

10383

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22021

Females

9114

F60-64

9114

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22276

Females

9285

F60-64

9285

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22893

Females

9606

F60-64

9606

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23548

Females

9934

F60-64

9934

Passing Analysis

Category:
Athletes Passed
547
Passed By
2602
Net Change
-2055
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21926
5K → 10K33867-834#21926#22760
10K → 15K35495-460#22760#23220
15K → 20K32402-370#23220#23590
20K → Half962-53#23590#23643
Half → 25K35255-220#23643#23863
25K → 30K27365-338#23863#24201
30K → 20M7434+40#24201#24161
20M → 21M5422+32#24161#24129
21M → 35K269+17#24129#24112
35K → 23M2557-32#24112#24144
23M → 24M873+84#24144#24060
24M → 40K587+51#24060#24009
40K → 25.2M172+15#24009#23994
25.2M → Finish3522+13#23994#23981
TOTALS5472602-2055
📊

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