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BOSTON MARATHON 2023

Jessica Shand

Bib: 17835•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F45-49)
#0 / 1817
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:07
Rank: #14596
Start → 5K
25:07 | 8:05/mi
10K· 6.21 mi
49:20
Rank: #13910 (+686)
5K → 10K
24:13 | 7:48/mi
15K· 9.32 mi
1:13:50
Rank: #13751 (+159)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:38:47
Rank: #13695 (+56)
15K → 20K
24:57 | 8:02/mi
Half· 13.11 mi
1:44:11
Rank: #13686 (+9)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:44
Rank: #13604 (+82)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:29:49
Rank: #13577 (+27)
25K → 30K
26:05 | 8:24/mi
20M
2:41:16
Rank: #13541 (+36)
30K → 20M
11:27 | 8:26/mi
21M
2:50:08
Rank: #13464 (+77)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:56:15
Rank: #13444 (+20)
21M → 35K
6:07 | 8:11/mi
23M
3:06:57
Rank: #13425 (+19)
35K → 23M
10:42 | 8:33/mi
24M
3:15:16
Rank: #13391 (+34)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:22:43
Rank: #13419 (-28)
24M → 40K
7:27 | 8:43/mi
25.2M
3:25:53
Rank: #13411 (+8)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:34:12
Rank: #13402 (+9)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:50:01
Pace8:24 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4425:078:0525:07
8:05
-
10K
6.21 mi11:39:5749:207:5624:13
7:48
-0:17
15K
9.32 mi12:04:271:13:507:5524:30
7:53
+0:05
20K
12.43 mi12:29:241:38:477:5724:57
8:02
+0:09
Half
13.11 mi12:34:481:44:117:575:24
7:55
-0:07
25K
15.53 mi12:54:212:03:447:5819:33
8:04
+0:09
30K
18.64 mi13:20:262:29:498:0226:05
8:24
+0:20
20M
20.00 mi13:31:532:41:168:0411:27
8:26
+0:02
21M
21.00 mi13:40:452:50:088:068:52
8:52
+0:26
35K
21.75 mi13:46:522:56:158:066:07
8:11
-0:41
23M
23.00 mi13:57:343:06:578:0810:42
8:33
+0:22
24M
24.00 mi14:05:533:15:168:088:19
8:19
-0:14
40K
24.85 mi14:13:203:22:438:097:27
8:43
+0:24
25.2M
25.20 mi14:16:303:25:538:103:10
9:11
+0:28
Finish
26.22 mi14:24:493:34:128:118:19
8:10
-1:01

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

7:48 /mi

Average Pace

8:11 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:43

91% of race

Time at Steady Pace

19:29

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:15:4425:078:0525:07
8:05
#14596
10K
6.21 mi11:39:5749:207:5624:13
7:48
#13910
15K
9.32 mi12:04:271:13:507:5524:30
7:53
#13751
20K
12.43 mi12:29:241:38:477:5724:57
8:02
#13695
Half
13.11 mi12:34:481:44:117:575:24
7:55
#13686
25K
15.53 mi12:54:212:03:447:5819:33
8:04
#13604
30K
18.64 mi13:20:262:29:498:0226:05
8:24
#13577
20M
20.00 mi13:31:532:41:168:0411:27
8:26
#13541
21M
21.00 mi13:40:452:50:088:068:52
8:52
#13464
35K
21.75 mi13:46:522:56:158:066:07
8:11
#13444
23M
23.00 mi13:57:343:06:578:0810:42
8:33
#13425
24M
24.00 mi14:05:533:15:168:088:19
8:19
#13391
40K
24.85 mi14:13:203:22:438:097:27
8:43
#13419
25.2M
25.20 mi14:16:303:25:538:103:10
9:11
#13411
Finish
26.22 mi14:24:493:34:128:118:19
8:10
#13402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi145964387438713409(Top 50%)3732(Top 33%)3732(Top 205%)
10K6.21 mi3.10 mi13910+6863987+4003987+40013087(Top 49%)3486(Top 31%)3486(Top 192%)
15K9.32 mi3.11 mi13751+1593912+753912+7513409(Top 50%)3732(Top 33%)3732(Top 205%)
20K12.43 mi3.11 mi13695+563906+63906+613704(Top 51%)3938(Top 34%)3938(Top 217%)
Half13.11 mi0.68 mi13686+93900+63900+613750(Top 52%)3937(Top 34%)3937(Top 217%)
25K15.53 mi2.42 mi13604+823867+333867+3313269(Top 50%)3790(Top 33%)3790(Top 209%)
30K18.64 mi3.11 mi13577+273887-203887-2013673(Top 51%)4135(Top 36%)4135(Top 228%)
20M20.00 mi1.36 mi13541+363884+33884+313185(Top 50%)3954(Top 35%)3954(Top 218%)
21M21.00 mi1.00 mi13464+773852+323852+3212677(Top 48%)3773(Top 33%)3773(Top 208%)
35K21.75 mi0.75 mi13444+203855-33855-313302(Top 50%)4164(Top 36%)4164(Top 229%)
23M23.00 mi1.25 mi13425+193869-143869-1413514(Top 51%)4345(Top 38%)4345(Top 239%)
24M24.00 mi1.00 mi13391+343867+23867+213344(Top 50%)4302(Top 38%)4302(Top 237%)
40K24.85 mi0.85 mi13419-283909-423909-4214598(Top 55%)5072(Top 44%)5072(Top 279%)
25.2M25.20 mi0.35 mi13411+83920-113920-1113586(Top 51%)4523(Top 40%)4523(Top 249%)
Finish26.22 mi1.02 mi13402+93936-163936-1613199(Top 50%)4308(Top 38%)4308(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13409

Females

3732

F45-49

3732

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13087

Females

3486

F45-49

3486

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13409

Females

3732

F45-49

3732

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13704

Females

3938

F45-49

3938

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13750

Females

3937

F45-49

3937

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13269

Females

3790

F45-49

3790

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13673

Females

4135

F45-49

4135

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13185

Females

3954

F45-49

3954

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12677

Females

3773

F45-49

3773

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13302

Females

4164

F45-49

4164

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13514

Females

4345

F45-49

4345

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13344

Females

4302

F45-49

4302

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14598

Females

5072

F45-49

5072

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13586

Females

4523

F45-49

4523

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13199

Females

4308

F45-49

4308

Passing Analysis

Category:
Athletes Passed
2322
Passed By
1128
Net Change
+1194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14596
5K → 10K77791+686#14596#13910
10K → 15K270111+159#13910#13751
15K → 20K204148+56#13751#13695
20K → Half3122+9#13695#13686
Half → 25K17189+82#13686#13604
25K → 30K206179+27#13604#13577
30K → 20M10670+36#13577#13541
20M → 21M13356+77#13541#13464
21M → 35K6444+20#13464#13444
35K → 23M10283+19#13444#13425
23M → 24M8854+34#13425#13391
24M → 40K5482-28#13391#13419
40K → 25.2M3729+8#13419#13411
25.2M → Finish7970+9#13411#13402
TOTALS23221128+1194
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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