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BOSTON MARATHON 2023

Dana Smith

Bib: 25309•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:33
Rank: #24651
Start → 5K
10:29/mi
32:33 split
10K· 6.21 mi
1:05:47
Rank: #24879 (-228)
5K → 10K
10:42/mi
33:14 split
15K· 9.32 mi
1:38:23
Rank: #24732 (+147)
10K → 15K
10:30/mi
32:36 split
20K· 12.43 mi
2:11:31
Rank: #24554 (+178)
15K → 20K
10:40/mi
33:08 split
Half· 13.11 mi
2:19:00
Rank: #24588 (-34)
20K → Half
10:58/mi
7:29 split
25K· 15.53 mi
2:45:03
Rank: #24400 (+188)
Half → 25K
10:45/mi
26:03 split
30K· 18.64 mi
3:19:51
Rank: #24207 (+193)
25K → 30K
11:12/mi
34:48 split
20M
3:35:22
Rank: #24151 (+56)
30K → 20M
11:25/mi
15:31 split
21M
3:46:21
Rank: #24010 (+141)
20M → 21M
10:59/mi
10:59 split
35K· 21.75 mi
3:54:10
Rank: #23956 (+54)
21M → 35K
10:27/mi
7:49 split
23M
4:06:20
Rank: #23745 (+211)
35K → 23M
9:43/mi
12:10 split
24M
4:16:40
Rank: #23671 (+74)
23M → 24M
10:20/mi
10:20 split
40K· 24.85 mi
4:25:36
Rank: #23591 (+80)
24M → 40K
10:27/mi
8:56 split
25.2M
4:29:15
Rank: #23545 (+46)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
4:38:15
Rank: #23385 (+160)
25.2M → Finish
8:50/mi
9:00 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:19:00
Pace10:36 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:19:15
Pace10:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4132:3310:2932:33
10:29
-
10K
6.21 mi12:26:551:05:4710:3533:14
10:42
+0:13
15K
9.32 mi12:59:311:38:2310:3332:36
10:30
-0:12
20K
12.43 mi13:32:392:11:3110:3533:08
10:40
+0:10
Half
13.11 mi13:40:082:19:0010:367:29
10:58
+0:18
25K
15.53 mi14:06:112:45:0310:3726:03
10:45
-0:13
30K
18.64 mi14:40:593:19:5110:4334:48
11:12
+0:27
20M
20.00 mi14:56:303:35:2210:4615:31
11:25
+0:13
21M
21.00 mi15:07:293:46:2110:4710:59
10:59
-0:26
35K
21.75 mi15:15:183:54:1010:467:49
10:27
-0:32
23M
23.00 mi15:27:284:06:2010:4312:10
9:43
-0:44
24M
24.00 mi15:37:484:16:4010:4210:20
10:20
+0:37
40K
24.85 mi15:46:444:25:3610:418:56
10:27
+0:07
25.2M
25.20 mi15:50:234:29:1510:413:39
10:35
+0:08
Finish
26.22 mi15:59:234:38:1510:379:00
8:50
-1:45

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

8:50 /mi

Average Pace

10:37 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:10

8% of race

Time at Steady Pace

3:08:18

68% of race

Time at Slower Pace

1:08:47

25% of race

Average Pace: 10:37 /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 mi11:53:4132:3310:2932:33
10:29
#24651
10K
6.21 mi12:26:551:05:4710:3533:14
10:42
#24879
15K
9.32 mi12:59:311:38:2310:3332:36
10:30
#24732
20K
12.43 mi13:32:392:11:3110:3533:08
10:40
#24554
Half
13.11 mi13:40:082:19:0010:367:29
10:58
#24588
25K
15.53 mi14:06:112:45:0310:3726:03
10:45
#24400
30K
18.64 mi14:40:593:19:5110:4334:48
11:12
#24207
20M
20.00 mi14:56:303:35:2210:4615:31
11:25
#24151
21M
21.00 mi15:07:293:46:2110:4710:59
10:59
#24010
35K
21.75 mi15:15:183:54:1010:467:49
10:27
#23956
23M
23.00 mi15:27:284:06:2010:4312:10
9:43
#23745
24M
24.00 mi15:37:484:16:4010:4210:20
10:20
#23671
40K
24.85 mi15:46:444:25:3610:418:56
10:27
#23591
25.2M
25.20 mi15:50:234:29:1510:413:39
10:35
#23545
Finish
26.22 mi15:59:234:38:1510:379:00
8:50
#23385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24651102451024524444(Top 92%)10148(Top 89%)10148(Top 208%)
10K6.21 mi3.10 mi24879-22810368-12310368-12325017(Top 94%)10448(Top 91%)10448(Top 214%)
15K9.32 mi3.11 mi24732+14710294+7410294+7424444(Top 92%)10148(Top 89%)10148(Top 208%)
20K12.43 mi3.11 mi24554+17810209+8510209+8524126(Top 91%)9982(Top 87%)9982(Top 204%)
Half13.11 mi0.68 mi24588-3410228-1910228-1924901(Top 94%)10442(Top 91%)10442(Top 214%)
25K15.53 mi2.42 mi24400+18810133+9510133+9523584(Top 89%)9723(Top 85%)9723(Top 199%)
30K18.64 mi3.11 mi24207+19310049+8410049+8423420(Top 88%)9693(Top 85%)9693(Top 198%)
20M20.00 mi1.36 mi24151+5610022+2710022+2723393(Top 88%)9730(Top 85%)9730(Top 199%)
21M21.00 mi1.00 mi24010+1419946+769946+7620816(Top 78%)8364(Top 73%)8364(Top 171%)
35K21.75 mi0.75 mi23956+549922+249922+2422302(Top 84%)9220(Top 81%)9220(Top 189%)
23M23.00 mi1.25 mi23745+2119810+1129810+11219167(Top 72%)7515(Top 66%)7515(Top 154%)
24M24.00 mi1.00 mi23671+749783+279783+2721647(Top 81%)8919(Top 78%)8919(Top 183%)
40K24.85 mi0.85 mi23591+809739+449739+4421109(Top 79%)8680(Top 76%)8680(Top 178%)
25.2M25.20 mi0.35 mi23545+469722+179722+1719431(Top 73%)7765(Top 68%)7765(Top 159%)
Finish26.22 mi1.02 mi23385+1609655+679655+6717230(Top 65%)6507(Top 57%)6507(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24444

Females

10148

F18-39

10148

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25017

Females

10448

F18-39

10448

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24444

Females

10148

F18-39

10148

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24126

Females

9982

F18-39

9982

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24901

Females

10442

F18-39

10442

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23584

Females

9723

F18-39

9723

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23420

Females

9693

F18-39

9693

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23393

Females

9730

F18-39

9730

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20816

Females

8364

F18-39

8364

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22302

Females

9220

F18-39

9220

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19167

Females

7515

F18-39

7515

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21647

Females

8919

F18-39

8919

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21109

Females

8680

F18-39

8680

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19431

Females

7765

F18-39

7765

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17230

Females

6507

F18-39

6507

Passing Analysis

Category:
Athletes Passed
1824
Passed By
558
Net Change
+1266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24651
5K → 10K105333-228#24651#24879
10K → 15K19447+147#24879#24732
15K → 20K20426+178#24732#24554
20K → Half1347-34#24554#24588
Half → 25K20618+188#24588#24400
25K → 30K23239+193#24400#24207
30K → 20M8529+56#24207#24151
20M → 21M1410+141#24151#24010
21M → 35K606+54#24010#23956
35K → 23M2110+211#23956#23745
23M → 24M828+74#23745#23671
24M → 40K855+80#23671#23591
40K → 25.2M460+46#23591#23545
25.2M → Finish1600+160#23545#23385
TOTALS1824558+1266
📊

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