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BOSTON MARATHON 2023

Dawn Smith

Bib: 20493•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F45-49)
#0 / 1817
Top 26%
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
8:23/mi
26:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:16:32
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:41:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:46:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:06:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:32:39
↑ 181↓ 1480.2%
20M
8:10/mi
2:43:45
↑ 64↓ 500.2%
21M
8:37/mi
2:52:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:58:24
↑ 17↓ 861.7%
23M
8:27/mi
3:08:59
↑ 23↓ 630.6%
24M
8:11/mi
3:17:10
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:24:20
↓ 200.3%
25.2M
9:08/mi
3:27:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:36:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:51
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:49:09
Pace8:20 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4726:028:2326:02
8:23
-
10K
6.21 mi11:44:1451:298:1725:27
8:11
-0:12
15K
9.32 mi12:09:171:16:328:1325:03
8:04
-0:07
20K
12.43 mi12:34:151:41:308:1024:58
8:02
-0:02
Half
13.11 mi12:39:361:46:518:095:21
7:50
-0:12
25K
15.53 mi12:58:582:06:138:0819:22
7:59
+0:09
30K
18.64 mi13:25:242:32:398:1126:26
8:30
+0:31
20M
20.00 mi13:36:302:43:458:1111:06
8:10
-0:20
21M
21.00 mi13:45:072:52:228:128:37
8:37
+0:27
35K
21.75 mi13:51:092:58:248:126:02
8:04
-0:33
23M
23.00 mi14:01:443:08:598:1310:35
8:27
+0:23
24M
24.00 mi14:09:553:17:108:138:11
8:11
-0:16
40K
24.85 mi14:17:053:24:208:137:10
8:23
+0:12
25.2M
25.20 mi14:20:143:27:298:143:09
9:08
+0:45
Finish
26.22 mi14:28:453:36:008:158:31
8:21
-0:47

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

7:50 /mi

Average Pace

8:15 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:14

95% of race

Time at Steady Pace

11:46

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:18:4726:028:2326:02
8:23
#16724
10K
6.21 mi11:44:1451:298:1725:27
8:11
#16401
15K
9.32 mi12:09:171:16:328:1325:03
8:04
#15906
20K
12.43 mi12:34:151:41:308:1024:58
8:02
#15362
Half
13.11 mi12:39:361:46:518:095:21
7:50
#15257
25K
15.53 mi12:58:582:06:138:0819:22
7:59
#14819
30K
18.64 mi13:25:242:32:398:1126:26
8:30
#14722
20M
20.00 mi13:36:302:43:458:1111:06
8:10
#14467
21M
21.00 mi13:45:072:52:228:128:37
8:37
#14270
35K
21.75 mi13:51:092:58:248:126:02
8:04
#14197
23M
23.00 mi14:01:443:08:598:1310:35
8:27
#14073
24M
24.00 mi14:09:553:17:108:138:11
8:11
#13981
40K
24.85 mi14:17:053:24:208:137:10
8:23
#13898
25.2M
25.20 mi14:20:143:27:298:143:09
9:08
#13897
Finish
26.22 mi14:28:453:36:008:158:31
8:21
#13900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi167245739573914916(Top 56%)4629(Top 41%)4629(Top 255%)
10K6.21 mi3.10 mi16401+3235525+2145525+21416198(Top 61%)5395(Top 47%)5395(Top 297%)
15K9.32 mi3.11 mi15906+4955218+3075218+30714916(Top 56%)4629(Top 41%)4629(Top 255%)
20K12.43 mi3.11 mi15362+5444909+3094909+30913738(Top 52%)3958(Top 35%)3958(Top 218%)
Half13.11 mi0.68 mi15257+1054848+614848+6113193(Top 50%)3627(Top 32%)3627(Top 200%)
25K15.53 mi2.42 mi14819+4384598+2504598+25012669(Top 48%)3461(Top 30%)3461(Top 190%)
30K18.64 mi3.11 mi14722+974570+284570+2814372(Top 54%)4548(Top 40%)4548(Top 250%)
20M20.00 mi1.36 mi14467+2554458+1124458+11211512(Top 43%)3018(Top 26%)3018(Top 166%)
21M21.00 mi1.00 mi14270+1974361+974361+9711203(Top 42%)2985(Top 26%)2985(Top 164%)
35K21.75 mi0.75 mi14197+734328+334328+3312626(Top 47%)3787(Top 33%)3787(Top 208%)
23M23.00 mi1.25 mi14073+1244272+564272+5612946(Top 49%)4042(Top 35%)4042(Top 222%)
24M24.00 mi1.00 mi13981+924241+314241+3112517(Top 47%)3872(Top 34%)3872(Top 213%)
40K24.85 mi0.85 mi13898+834209+324209+3212621(Top 47%)4013(Top 35%)4013(Top 221%)
25.2M25.20 mi0.35 mi13897+14221-124221-1213322(Top 50%)4393(Top 38%)4393(Top 242%)
Finish26.22 mi1.02 mi13900-34229-84229-814472(Top 54%)4980(Top 44%)4980(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14916

Females

4629

F45-49

4629

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16198

Females

5395

F45-49

5395

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14916

Females

4629

F45-49

4629

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13738

Females

3958

F45-49

3958

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13193

Females

3627

F45-49

3627

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12669

Females

3461

F45-49

3461

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14372

Females

4548

F45-49

4548

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11512

Females

3018

F45-49

3018

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11203

Females

2985

F45-49

2985

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12626

Females

3787

F45-49

3787

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12946

Females

4042

F45-49

4042

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12517

Females

3872

F45-49

3872

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12621

Females

4013

F45-49

4013

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13322

Females

4393

F45-49

4393

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14472

Females

4980

F45-49

4980

Passing Analysis

Category:
Athletes Passed
3389
Passed By
565
Net Change
+2824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16724
5K → 10K497174+323#16724#16401
10K → 15K54247+495#16401#15906
15K → 20K55713+544#15906#15362
20K → Half1072+105#15362#15257
Half → 25K4446+438#15257#14819
25K → 30K214117+97#14819#14722
30K → 20M2616+255#14722#14467
20M → 21M2058+197#14467#14270
21M → 35K8815+73#14270#14197
35K → 23M15834+124#14197#14073
23M → 24M11422+92#14073#13981
24M → 40K11027+83#13981#13898
40K → 25.2M2928+1#13898#13897
25.2M → Finish6366-3#13897#13900
TOTALS3389565+2824
📊

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