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BOSTON MARATHON 2023

Kristen Smith

MI

Bib: 19582 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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:25/mi
26:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:13/mi
51:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:13/mi
1:17:13
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:35/mi
1:43:52
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:40/mi
1:49:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:33/mi
2:20:13
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:01/mi
3:03:46
↑ 181↓ 1480.2%
138 ft elev
20M
9:50/mi
3:17:08
↑ 64↓ 500.2%
148 ft elev
21M
9:47/mi
3:26:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:21/mi
3:33:55
↑ 17↓ 861.7%
156 ft elev
23M
9:37/mi
3:45:58
↑ 23↓ 630.6%
116 ft elev
24M
9:47/mi
3:55:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:50/mi
4:05:01
↓ 200.3%
20 ft elev
25.2M
10:00/mi
4:08:28
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:41/mi
4:17:19
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:47
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:27:32
Pace11:15 /mi
📊Positive Split: 34.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5726:088:2526:08
8:25
-
10K
6.21 mi11:43:2951:408:1925:32
8:13
-0:12
15K
9.32 mi12:09:021:17:138:1725:33
8:13
0:00
20K
12.43 mi12:35:411:43:528:2126:39
8:35
+0:22
Half
13.11 mi12:41:361:49:478:225:55
8:40
+0:05
25K
15.53 mi13:12:022:20:139:0230:26
12:33
+3:53
30K
18.64 mi13:55:353:03:469:5143:33
14:01
+1:28
20M
20.00 mi14:08:573:17:089:5113:22
9:50
-4:11
21M
21.00 mi14:18:443:26:559:519:47
9:47
-0:03
35K
21.75 mi14:25:443:33:559:507:00
9:21
-0:26
23M
23.00 mi14:37:473:45:589:4912:03
9:37
+0:16
24M
24.00 mi14:47:343:55:459:499:47
9:47
+0:10
40K
24.85 mi14:56:504:05:019:519:16
10:50
+1:03
25.2M
25.20 mi15:00:174:08:289:523:27
10:00
-0:50
Finish
26.22 mi15:09:084:17:199:498:51
8:41
-1:19

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

8:13 /mi

Average Pace

9:49 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:38

46% of race

Time at Steady Pace

55:26

22% of race

Time at Slower Pace

1:23:15

32% of race

Average Pace: 9:49 /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 mi11:17:5726:088:2526:08
8:25
#16985
10K
6.21 mi11:43:2951:408:1925:32
8:13
#16630
15K
9.32 mi12:09:021:17:138:1725:33
8:13
#16404
20K
12.43 mi12:35:411:43:528:2126:39
8:35
#16690
Half
13.11 mi12:41:361:49:478:225:55
8:40
#16794
25K
15.53 mi13:12:022:20:139:0230:26
12:33
#20255
30K
18.64 mi13:55:353:03:469:5143:33
14:01
#22461
20M
20.00 mi14:08:573:17:089:5113:22
9:50
#22299
21M
21.00 mi14:18:443:26:559:519:47
9:47
#22072
35K
21.75 mi14:25:443:33:559:507:00
9:21
#21993
23M
23.00 mi14:37:473:45:589:4912:03
9:37
#21823
24M
24.00 mi14:47:343:55:459:499:47
9:47
#21758
40K
24.85 mi14:56:504:05:019:519:16
10:50
#21754
25.2M
25.20 mi15:00:174:08:289:523:27
10:00
#21705
Finish
26.22 mi15:09:084:17:199:498:51
8:41
#21559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169855924592416043(Top 60%)5324(Top 47%)5324(Top 109%)
10K6.21 mi3.10 mi16630+3555666+2585666+25816411(Top 62%)5523(Top 48%)5523(Top 113%)
15K9.32 mi3.11 mi16404+2265532+1345532+13416043(Top 60%)5324(Top 47%)5324(Top 109%)
20K12.43 mi3.11 mi16690-2865731-1995731-19917367(Top 65%)6154(Top 54%)6154(Top 126%)
Half13.11 mi0.68 mi16794-1045796-655796-6518854(Top 71%)7011(Top 61%)7011(Top 144%)
25K15.53 mi2.42 mi20255-34617848-20527848-205225585(Top 96%)10838(Top 95%)10838(Top 222%)
30K18.64 mi3.11 mi22461-22069097-12499097-124926039(Top 98%)11119(Top 97%)11119(Top 228%)
20M20.00 mi1.36 mi22299+1629009+889009+8819987(Top 75%)7848(Top 69%)7848(Top 161%)
21M21.00 mi1.00 mi22072+2278902+1078902+10717230(Top 65%)6330(Top 55%)6330(Top 130%)
35K21.75 mi0.75 mi21993+798856+468856+4619408(Top 73%)7616(Top 67%)7616(Top 156%)
23M23.00 mi1.25 mi21823+1708776+808776+8018852(Top 71%)7326(Top 64%)7326(Top 150%)
24M24.00 mi1.00 mi21758+658756+208756+2020194(Top 76%)8087(Top 71%)8087(Top 166%)
40K24.85 mi0.85 mi21754+48766-108766-1022021(Top 83%)9160(Top 80%)9160(Top 188%)
25.2M25.20 mi0.35 mi21705+498743+238743+2317484(Top 66%)6717(Top 59%)6717(Top 138%)
Finish26.22 mi1.02 mi21559+1468672+718672+7116441(Top 62%)6078(Top 53%)6078(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16043

Females

5324

F18-39

5324

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16411

Females

5523

F18-39

5523

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16043

Females

5324

F18-39

5324

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17367

Females

6154

F18-39

6154

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18854

Females

7011

F18-39

7011

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25585

Females

10838

F18-39

10838

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26039

Females

11119

F18-39

11119

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19987

Females

7848

F18-39

7848

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17230

Females

6330

F18-39

6330

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19408

Females

7616

F18-39

7616

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18852

Females

7326

F18-39

7326

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20194

Females

8087

F18-39

8087

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22021

Females

9160

F18-39

9160

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17484

Females

6717

F18-39

6717

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16441

Females

6078

F18-39

6078

Passing Analysis

Category:
Athletes Passed
1906
Passed By
6480
Net Change
-4574
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16985
5K → 10K516161+355#16985#16630
10K → 15K330104+226#16630#16404
15K → 20K92378-286#16404#16690
20K → Half6110-104#16690#16794
Half → 25K13462-3461#16794#20255
25K → 30K12207-2206#20255#22461
30K → 20M1664+162#22461#22299
20M → 21M2270+227#22299#22072
21M → 35K801+79#22072#21993
35K → 23M1744+170#21993#21823
23M → 24M7813+65#21823#21758
24M → 40K3733+4#21758#21754
40K → 25.2M512+49#21754#21705
25.2M → Finish1471+146#21705#21559
TOTALS19066480-4574
📊

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