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BOSTON MARATHON 2023

Sheila Marand

Bib: 27140•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #14813
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
49:18
Rank: #13868 (+945)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:14:20
Rank: #14190 (-322)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:40:43
Rank: #14895 (-705)
15K → 20K
26:23 | 8:30/mi
Half· 13.11 mi
1:46:29
Rank: #15036 (-141)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:08:48
Rank: #15982 (-946)
Half → 25K
22:19 | 9:12/mi
30K· 18.64 mi
2:38:52
Rank: #16907 (-925)
25K → 30K
30:04 | 9:41/mi
20M
2:52:30
Rank: #17274 (-367)
30K → 20M
13:38 | 10:02/mi
21M
3:03:40
Rank: #17676 (-402)
20M → 21M
11:10 | 11:10/mi
35K· 21.75 mi
3:10:57
Rank: #17827 (-151)
21M → 35K
7:17 | 9:44/mi
23M
3:23:47
Rank: #18098 (-271)
35K → 23M
12:50 | 10:15/mi
24M
3:33:38
Rank: #18246 (-148)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
3:42:44
Rank: #18456 (-210)
24M → 40K
9:06 | 10:39/mi
25.2M
3:45:58
Rank: #18400 (+56)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:54:40
Rank: #18311 (+89)
25.2M → Finish
8:42 | 8:32/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:08:11
Pace9:47 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:3225:128:0725:12
8:07
-
10K
6.21 mi12:06:3849:187:5624:06
7:45
-0:22
15K
9.32 mi12:31:401:14:207:5925:02
8:03
+0:18
20K
12.43 mi12:58:031:40:438:0626:23
8:30
+0:27
Half
13.11 mi13:03:491:46:298:075:46
8:27
-0:03
25K
15.53 mi13:26:082:08:488:1722:19
9:12
+0:45
30K
18.64 mi13:56:122:38:528:3130:04
9:41
+0:29
20M
20.00 mi14:09:502:52:308:3713:38
10:02
+0:21
21M
21.00 mi14:21:003:03:408:4511:10
11:10
+1:08
35K
21.75 mi14:28:173:10:578:477:17
9:44
-1:26
23M
23.00 mi14:41:073:23:478:5212:50
10:15
+0:31
24M
24.00 mi14:50:583:33:388:549:51
9:51
-0:24
40K
24.85 mi15:00:043:42:448:589:06
10:39
+0:48
25.2M
25.20 mi15:03:183:45:588:583:14
9:23
-1:16
Finish
26.22 mi15:12:003:54:408:578:42
8:32
-0:51

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

7:45 /mi

Average Pace

8:57 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:55:11

49% of race

Time at Steady Pace

1:12:45

31% of race

Time at Slower Pace

46:44

20% of race

Average Pace: 8:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:42:3225:128:0725:12
8:07
#14813
10K
6.21 mi12:06:3849:187:5624:06
7:45
#13868
15K
9.32 mi12:31:401:14:207:5925:02
8:03
#14190
20K
12.43 mi12:58:031:40:438:0626:23
8:30
#14895
Half
13.11 mi13:03:491:46:298:075:46
8:27
#15036
25K
15.53 mi13:26:082:08:488:1722:19
9:12
#15982
30K
18.64 mi13:56:122:38:528:3130:04
9:41
#16907
20M
20.00 mi14:09:502:52:308:3713:38
10:02
#17274
21M
21.00 mi14:21:003:03:408:4511:10
11:10
#17676
35K
21.75 mi14:28:173:10:578:477:17
9:44
#17827
23M
23.00 mi14:41:073:23:478:5212:50
10:15
#18098
24M
24.00 mi14:50:583:33:388:549:51
9:51
#18246
40K
24.85 mi15:00:043:42:448:589:06
10:39
#18456
25.2M
25.20 mi15:03:183:45:588:583:14
9:23
#18400
Finish
26.22 mi15:12:003:54:408:578:42
8:32
#18311
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148134527452714878(Top 56%)4614(Top 40%)4614(Top 94%)
10K6.21 mi3.10 mi13868+9453964+5633964+56312767(Top 48%)3300(Top 29%)3300(Top 68%)
15K9.32 mi3.11 mi14190-3224171-2074171-20714878(Top 56%)4614(Top 40%)4614(Top 94%)
20K12.43 mi3.11 mi14895-7054617-4464617-44616815(Top 63%)5833(Top 51%)5833(Top 119%)
Half13.11 mi0.68 mi15036-1414710-934710-9317522(Top 66%)6205(Top 54%)6205(Top 127%)
25K15.53 mi2.42 mi15982-9465327-6175327-61719866(Top 75%)7618(Top 67%)7618(Top 156%)
30K18.64 mi3.11 mi16907-9255904-5775904-57720064(Top 75%)7801(Top 68%)7801(Top 160%)
20M20.00 mi1.36 mi17274-3676143-2396143-23920565(Top 77%)8165(Top 71%)8165(Top 167%)
21M21.00 mi1.00 mi17676-4026397-2546397-25421189(Top 80%)8561(Top 75%)8561(Top 175%)
35K21.75 mi0.75 mi17827-1516498-1016498-10120570(Top 77%)8251(Top 72%)8251(Top 169%)
23M23.00 mi1.25 mi18098-2716672-1746672-17420715(Top 78%)8351(Top 73%)8351(Top 171%)
24M24.00 mi1.00 mi18246-1486767-956767-9520386(Top 77%)8193(Top 72%)8193(Top 168%)
40K24.85 mi0.85 mi18456-2106896-1296896-12921567(Top 81%)8918(Top 78%)8918(Top 183%)
25.2M25.20 mi0.35 mi18400+566872+246872+2414683(Top 55%)5149(Top 45%)5149(Top 105%)
Finish26.22 mi1.02 mi18311+896828+446828+4415676(Top 59%)5644(Top 49%)5644(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14878

Females

4614

F18-39

4614

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12767

Females

3300

F18-39

3300

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14878

Females

4614

F18-39

4614

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16815

Females

5833

F18-39

5833

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17522

Females

6205

F18-39

6205

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19866

Females

7618

F18-39

7618

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

20064

Females

7801

F18-39

7801

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20565

Females

8165

F18-39

8165

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21189

Females

8561

F18-39

8561

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20570

Females

8251

F18-39

8251

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20715

Females

8351

F18-39

8351

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20386

Females

8193

F18-39

8193

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21567

Females

8918

F18-39

8918

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14683

Females

5149

F18-39

5149

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15676

Females

5644

F18-39

5644

Passing Analysis

Category:
Athletes Passed
1496
Passed By
4994
Net Change
-3498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14813
5K → 10K100661+945#14813#13868
10K → 15K83405-322#13868#14190
15K → 20K56761-705#14190#14895
20K → Half13154-141#14895#15036
Half → 25K15961-946#15036#15982
25K → 30K40965-925#15982#16907
30K → 20M16383-367#16907#17274
20M → 21M16418-402#17274#17676
21M → 35K25176-151#17676#17827
35K → 23M29300-271#17827#18098
23M → 24M21169-148#18098#18246
24M → 40K13223-210#18246#18456
40K → 25.2M582+56#18456#18400
25.2M → Finish10516+89#18400#18311
TOTALS14964994-3498
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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