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BOSTON MARATHON 2023

Andrea Smiley

Bib: 16861•F

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
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
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
46:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:10:24
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:39:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:57:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:21:18
↑ 181↓ 1480.2%
20M
7:38/mi
2:31:40
↑ 64↓ 500.2%
21M
8:08/mi
2:39:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:45:14
↑ 17↓ 861.7%
23M
7:37/mi
2:54:46
↑ 23↓ 630.6%
24M
7:25/mi
3:02:11
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:08:41
↓ 200.3%
25.2M
8:10/mi
3:11:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:19:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:55
Pace7:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1423:097:2723:09
7:27
-
10K
6.21 mi11:36:4746:427:3123:33
7:35
+0:08
15K
9.32 mi12:00:291:10:247:3323:42
7:38
+0:03
20K
12.43 mi12:24:061:34:017:3423:37
7:36
-0:02
Half
13.11 mi12:29:141:39:097:345:08
7:31
-0:05
25K
15.53 mi12:47:401:57:357:3418:26
7:36
+0:05
30K
18.64 mi13:11:232:21:187:3523:43
7:38
+0:02
20M
20.00 mi13:21:452:31:407:3510:22
7:38
0:00
21M
21.00 mi13:29:532:39:487:378:08
8:08
+0:30
35K
21.75 mi13:35:192:45:147:365:26
7:16
-0:52
23M
23.00 mi13:44:512:54:467:369:32
7:37
+0:21
24M
24.00 mi13:52:163:02:117:357:25
7:25
-0:12
40K
24.85 mi13:58:463:08:417:356:30
7:36
+0:11
25.2M
25.20 mi14:01:353:11:307:362:49
8:10
+0:34
Finish
26.22 mi14:09:093:19:047:367:34
7:26
-0:44

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

7:16 /mi

Average Pace

7:36 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:07

94% of race

Time at Steady Pace

10:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:13:1423:097:2723:09
7:27
#9245
10K
6.21 mi11:36:4746:427:3123:33
7:35
#10193
15K
9.32 mi12:00:291:10:247:3323:42
7:38
#10529
20K
12.43 mi12:24:061:34:017:3423:37
7:36
#10394
Half
13.11 mi12:29:141:39:097:345:08
7:31
#10398
25K
15.53 mi12:47:401:57:357:3418:26
7:36
#10220
30K
18.64 mi13:11:232:21:187:3523:43
7:38
#9822
20M
20.00 mi13:21:452:31:407:3510:22
7:38
#9624
21M
21.00 mi13:29:532:39:487:378:08
8:08
#9503
35K
21.75 mi13:35:192:45:147:365:26
7:16
#9377
23M
23.00 mi13:44:512:54:467:369:32
7:37
#9223
24M
24.00 mi13:52:163:02:117:357:25
7:25
#9105
40K
24.85 mi13:58:463:08:417:356:30
7:36
#9017
25.2M
25.20 mi14:01:353:11:307:362:49
8:10
#8975
Finish
26.22 mi14:09:093:19:047:367:34
7:26
#8910
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi92451505150511244(Top 42%)2480(Top 22%)2480(Top 51%)
10K6.21 mi3.10 mi10193-9481925-4201925-42011141(Top 42%)2392(Top 21%)2392(Top 49%)
15K9.32 mi3.11 mi10529-3362078-1532078-15311244(Top 42%)2480(Top 22%)2480(Top 51%)
20K12.43 mi3.11 mi10394+1352018+602018+6010108(Top 38%)1964(Top 17%)1964(Top 40%)
Half13.11 mi0.68 mi10398-42027-92027-910434(Top 39%)2089(Top 18%)2089(Top 43%)
25K15.53 mi2.42 mi10220+1781961+661961+669570(Top 36%)1808(Top 16%)1808(Top 37%)
30K18.64 mi3.11 mi9822+3981809+1521809+1528206(Top 31%)1392(Top 12%)1392(Top 29%)
20M20.00 mi1.36 mi9624+1981761+481761+487710(Top 29%)1298(Top 11%)1298(Top 27%)
21M21.00 mi1.00 mi9503+1211733+281733+288224(Top 31%)1620(Top 14%)1620(Top 33%)
35K21.75 mi0.75 mi9377+1261701+321701+326952(Top 26%)1093(Top 10%)1093(Top 22%)
23M23.00 mi1.25 mi9223+1541663+381663+387214(Top 27%)1256(Top 11%)1256(Top 26%)
24M24.00 mi1.00 mi9105+1181636+271636+277199(Top 27%)1369(Top 12%)1369(Top 28%)
40K24.85 mi0.85 mi9017+881617+191617+197378(Top 28%)1517(Top 13%)1517(Top 31%)
25.2M25.20 mi0.35 mi8975+421607+101607+107560(Top 28%)1630(Top 14%)1630(Top 33%)
Finish26.22 mi1.02 mi8910+651604+31604+37989(Top 30%)1819(Top 16%)1819(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11244

Females

2480

F18-39

2480

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11141

Females

2392

F18-39

2392

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11244

Females

2480

F18-39

2480

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10108

Females

1964

F18-39

1964

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10434

Females

2089

F18-39

2089

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9570

Females

1808

F18-39

1808

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8206

Females

1392

F18-39

1392

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7710

Females

1298

F18-39

1298

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8224

Females

1620

F18-39

1620

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6952

Females

1093

F18-39

1093

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7214

Females

1256

F18-39

1256

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7199

Females

1369

F18-39

1369

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7378

Females

1517

F18-39

1517

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7560

Females

1630

F18-39

1630

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7989

Females

1819

F18-39

1819

Passing Analysis

Category:
Athletes Passed
2036*
Passed By
1700
Net Change
+335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9245
5K → 10K531000-948#9245#10193
10K → 15K85421-336#10193#10529
15K → 20K21176+135#10529#10394
20K → Half3135-4#10394#10398
Half → 25K22648+178#10398#10220
25K → 30K418*20+398#10220#9822
30K → 20M2079+198#9822#9624
20M → 21M13615+121#9624#9503
21M → 35K1337+126#9503#9377
35K → 23M17117+154#9377#9223
23M → 24M1246+118#9223#9105
24M → 40K10012+88#9105#9017
40K → 25.2M5210+42#9017#8975
25.2M → Finish8924+65#8975#8910
TOTALS2036*1700+335

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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