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BOSTON MARATHON 2023

Danielle Spivack

Bib: 29762•F

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

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
10:24/mi
32:19
↑ 97↓ 3451.5%
10K· 6.21 mi
10:31/mi
1:04:59
↑ 79↓ 1380.4%
15K· 9.32 mi
10:21/mi
1:37:09
↑ 67↓ 78
20K· 12.43 mi
10:50/mi
2:10:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:14/mi
2:17:47
↑ 19↓ 370.5%
25K· 15.53 mi
10:26/mi
2:43:04
↑ 66↓ 880.2%
30K· 18.64 mi
12:16/mi
3:21:11
↑ 181↓ 1480.2%
20M
11:59/mi
3:37:28
↑ 64↓ 500.2%
21M
14:43/mi
3:52:11
↑ 106↓ 241.6%
35K· 21.75 mi
12:33/mi
4:01:34
↑ 17↓ 861.7%
23M
14:03/mi
4:19:09
↑ 23↓ 630.6%
24M
12:09/mi
4:31:18
↓ 821.3%
40K· 24.85 mi
11:09/mi
4:40:50
↓ 200.3%
25.2M
11:59/mi
4:44:58
↑ 13↓ 160.2%
Finish· 26.22 mi
10:35/mi
4:55:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:47
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:37:58
Pace12:03 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3532:1910:2432:19
10:24
-
10K
6.21 mi12:26:151:04:5910:2732:40
10:31
+0:07
15K
9.32 mi12:58:251:37:0910:2532:10
10:21
-0:10
20K
12.43 mi13:32:042:10:4810:3233:39
10:50
+0:29
Half
13.11 mi13:39:032:17:4710:316:59
10:14
-0:36
25K
15.53 mi14:04:202:43:0410:3025:17
10:26
+0:12
30K
18.64 mi14:42:273:21:1110:4838:07
12:16
+1:50
20M
20.00 mi14:58:443:37:2810:5216:17
11:59
-0:17
21M
21.00 mi15:13:273:52:1111:0314:43
14:43
+2:44
35K
21.75 mi15:22:504:01:3411:069:23
12:33
-2:10
23M
23.00 mi15:40:254:19:0911:1617:35
14:03
+1:30
24M
24.00 mi15:52:344:31:1811:1812:09
12:09
-1:54
40K
24.85 mi16:02:064:40:5011:189:32
11:09
-1:00
25.2M
25.20 mi16:06:144:44:5811:184:08
11:59
+0:50
Finish
26.22 mi16:17:014:55:4511:1710:47
10:35
-1:24

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

10:14 /mi

Average Pace

11:17 /mi

Slowest Pace

14:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:45

33% of race

Time at Steady Pace

1:26:38

29% of race

Time at Slower Pace

1:52:22

38% of race

Average Pace: 11:17 /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 mi11:53:3532:1910:2432:19
10:24
#24482
10K
6.21 mi12:26:151:04:5910:2732:40
10:31
#24632
15K
9.32 mi12:58:251:37:0910:2532:10
10:21
#24490
20K
12.43 mi13:32:042:10:4810:3233:39
10:50
#24464
Half
13.11 mi13:39:032:17:4710:316:59
10:14
#24424
25K
15.53 mi14:04:202:43:0410:3025:17
10:26
#24162
30K
18.64 mi14:42:273:21:1110:4838:07
12:16
#24347
20M
20.00 mi14:58:443:37:2810:5216:17
11:59
#24327
21M
21.00 mi15:13:273:52:1111:0314:43
14:43
#24456
35K
21.75 mi15:22:504:01:3411:069:23
12:33
#24505
23M
23.00 mi15:40:254:19:0911:1617:35
14:03
#24653
24M
24.00 mi15:52:344:31:1811:1812:09
12:09
#24676
40K
24.85 mi16:02:064:40:5011:189:32
11:09
#24604
25.2M
25.20 mi16:06:144:44:5811:184:08
11:59
#24582
Finish
26.22 mi16:17:014:55:4511:1710:47
10:35
#24556
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24482101451014524198(Top 91%)10003(Top 88%)10003(Top 205%)
10K6.21 mi3.10 mi24632-15010227-8210227-8224706(Top 93%)10281(Top 90%)10281(Top 211%)
15K9.32 mi3.11 mi24490+14210157+7010157+7024198(Top 91%)10003(Top 88%)10003(Top 205%)
20K12.43 mi3.11 mi24464+2610152+510152+524372(Top 92%)10134(Top 89%)10134(Top 207%)
Half13.11 mi0.68 mi24424+4010133+1910133+1923758(Top 89%)9779(Top 86%)9779(Top 200%)
25K15.53 mi2.42 mi24162+2629995+1389995+13823064(Top 87%)9428(Top 83%)9428(Top 193%)
30K18.64 mi3.11 mi24347-18510120-12510120-12524781(Top 93%)10443(Top 91%)10443(Top 214%)
20M20.00 mi1.36 mi24327+20101201012024195(Top 91%)10180(Top 89%)10180(Top 208%)
21M21.00 mi1.00 mi24456-12910194-7410194-7425575(Top 96%)10892(Top 95%)10892(Top 223%)
35K21.75 mi0.75 mi24505-4910219-2510219-2525226(Top 95%)10774(Top 94%)10774(Top 221%)
23M23.00 mi1.25 mi24653-14810317-9810317-9825855(Top 97%)11070(Top 97%)11070(Top 227%)
24M24.00 mi1.00 mi24676-2310346-2910346-2924716(Top 93%)10535(Top 92%)10535(Top 216%)
40K24.85 mi0.85 mi24604+7210313+3310313+3322664(Top 85%)9489(Top 83%)9489(Top 194%)
25.2M25.20 mi0.35 mi24582+2210307+610307+622518(Top 85%)9418(Top 82%)9418(Top 193%)
Finish26.22 mi1.02 mi24556+2610292+1510292+1523187(Top 87%)9747(Top 85%)9747(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24198

Females

10003

F18-39

10003

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24706

Females

10281

F18-39

10281

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24198

Females

10003

F18-39

10003

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24372

Females

10134

F18-39

10134

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23758

Females

9779

F18-39

9779

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23064

Females

9428

F18-39

9428

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24781

Females

10443

F18-39

10443

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24195

Females

10180

F18-39

10180

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25575

Females

10892

F18-39

10892

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25226

Females

10774

F18-39

10774

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25855

Females

11070

F18-39

11070

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24716

Females

10535

F18-39

10535

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22664

Females

9489

F18-39

9489

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22518

Females

9418

F18-39

9418

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23187

Females

9747

F18-39

9747

Passing Analysis

Category:
Athletes Passed
1030
Passed By
1104
Net Change
-74
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24482
5K → 10K117267-150#24482#24632
10K → 15K19755+142#24632#24490
15K → 20K11084+26#24490#24464
20K → Half433+40#24464#24424
Half → 25K2675+262#24424#24162
25K → 30K47232-185#24162#24347
30K → 20M6242+20#24347#24327
20M → 21M9138-129#24327#24456
21M → 35K1160-49#24456#24505
35K → 23M8156-148#24505#24653
23M → 24M2245-23#24653#24676
24M → 40K753+72#24676#24604
40K → 25.2M275+22#24604#24582
25.2M → Finish359+26#24582#24556
TOTALS10301104-74
📊

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