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BOSTON MARATHON 2023

Lori Mitchener

Bib: 21394•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F45-49)
#0 / 1817
Top 49%
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
8:37/mi
26:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
53:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:19:42
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:46:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:51:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:12:48
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:41:00
↑ 181↓ 1480.2%
20M
8:46/mi
2:52:55
↑ 64↓ 500.2%
21M
9:20/mi
3:02:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:08:34
↑ 17↓ 861.7%
23M
8:39/mi
3:19:24
↑ 23↓ 630.6%
24M
8:13/mi
3:27:37
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:34:47
↓ 200.3%
25.2M
9:08/mi
3:37:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:46:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:53
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:54:35
Pace8:44 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2726:468:3726:46
8:37
-
10K
6.21 mi12:08:5353:128:3426:26
8:30
-0:07
15K
9.32 mi12:35:231:19:428:3326:30
8:32
+0:02
20K
12.43 mi13:01:511:46:108:3326:28
8:31
-0:01
Half
13.11 mi13:07:341:51:538:325:43
8:23
-0:08
25K
15.53 mi13:28:292:12:488:3320:55
8:38
+0:15
30K
18.64 mi13:56:412:41:008:3828:12
9:05
+0:27
20M
20.00 mi14:08:362:52:558:3911:55
8:46
-0:19
21M
21.00 mi14:17:563:02:158:419:20
9:20
+0:34
35K
21.75 mi14:24:153:08:348:406:19
8:27
-0:53
23M
23.00 mi14:35:053:19:248:4010:50
8:39
+0:12
24M
24.00 mi14:43:183:27:378:398:13
8:13
-0:26
40K
24.85 mi14:50:283:34:478:387:10
8:23
+0:10
25.2M
25.20 mi14:53:373:37:568:393:09
9:08
+0:45
Finish
26.22 mi15:02:093:46:288:398:32
8:22
-0:46

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

8:39 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:47

82% of race

Time at Steady Pace

40:41

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:42:2726:468:3726:46
8:37
#18318
10K
6.21 mi12:08:5353:128:3426:26
8:30
#18270
15K
9.32 mi12:35:231:19:428:3326:30
8:32
#18182
20K
12.43 mi13:01:511:46:108:3326:28
8:31
#17856
Half
13.11 mi13:07:341:51:538:325:43
8:23
#17780
25K
15.53 mi13:28:292:12:488:3320:55
8:38
#17621
30K
18.64 mi13:56:412:41:008:3828:12
9:05
#17583
20M
20.00 mi14:08:362:52:558:3911:55
8:46
#17390
21M
21.00 mi14:17:563:02:158:419:20
9:20
#17264
35K
21.75 mi14:24:153:08:348:406:19
8:27
#17171
23M
23.00 mi14:35:053:19:248:4010:50
8:39
#16988
24M
24.00 mi14:43:183:27:378:398:13
8:13
#16826
40K
24.85 mi14:50:283:34:478:387:10
8:23
#16657
25.2M
25.20 mi14:53:373:37:568:393:09
9:08
#16590
Finish
26.22 mi15:02:093:46:288:398:32
8:22
#16504
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi183186754675418011(Top 68%)6499(Top 57%)6499(Top 358%)
10K6.21 mi3.10 mi18270+486676+786676+7818309(Top 69%)6661(Top 58%)6661(Top 367%)
15K9.32 mi3.11 mi18182+886631+456631+4518011(Top 68%)6499(Top 57%)6499(Top 358%)
20K12.43 mi3.11 mi17856+3266436+1956436+19516983(Top 64%)5917(Top 52%)5917(Top 326%)
Half13.11 mi0.68 mi17780+766393+436393+4317043(Top 64%)5922(Top 52%)5922(Top 326%)
25K15.53 mi2.42 mi17621+1596308+856308+8516966(Top 64%)5984(Top 52%)5984(Top 329%)
30K18.64 mi3.11 mi17583+386308630817577(Top 66%)6398(Top 56%)6398(Top 352%)
20M20.00 mi1.36 mi17390+1936210+986210+9815277(Top 57%)5157(Top 45%)5157(Top 284%)
21M21.00 mi1.00 mi17264+1266150+606150+6015206(Top 57%)5178(Top 45%)5178(Top 285%)
35K21.75 mi0.75 mi17171+936099+516099+5115029(Top 56%)5134(Top 45%)5134(Top 283%)
23M23.00 mi1.25 mi16988+1836017+826017+8214121(Top 53%)4696(Top 41%)4696(Top 258%)
24M24.00 mi1.00 mi16826+1625942+755942+7512776(Top 48%)4016(Top 35%)4016(Top 221%)
40K24.85 mi0.85 mi16657+1695857+855857+8512653(Top 48%)4045(Top 35%)4045(Top 223%)
25.2M25.20 mi0.35 mi16590+675823+345823+3413375(Top 50%)4446(Top 39%)4446(Top 245%)
Finish26.22 mi1.02 mi16504+865790+335790+3314597(Top 55%)5048(Top 44%)5048(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18011

Females

6499

F45-49

6499

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18309

Females

6661

F45-49

6661

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18011

Females

6499

F45-49

6499

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16983

Females

5917

F45-49

5917

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17043

Females

5922

F45-49

5922

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16966

Females

5984

F45-49

5984

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17577

Females

6398

F45-49

6398

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15277

Females

5157

F45-49

5157

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15206

Females

5178

F45-49

5178

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15029

Females

5134

F45-49

5134

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14121

Females

4696

F45-49

4696

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12776

Females

4016

F45-49

4016

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12653

Females

4045

F45-49

4045

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13375

Females

4446

F45-49

4446

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14597

Females

5048

F45-49

5048

Passing Analysis

Category:
Athletes Passed
2590
Passed By
776
Net Change
+1814
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18318
5K → 10K337289+48#18318#18270
10K → 15K227139+88#18270#18182
15K → 20K36943+326#18182#17856
20K → Half837+76#17856#17780
Half → 25K20243+159#17780#17621
25K → 30K199161+38#17621#17583
30K → 20M1996+193#17583#17390
20M → 21M15630+126#17390#17264
21M → 35K996+93#17264#17171
35K → 23M20219+183#17171#16988
23M → 24M1675+162#16988#16826
24M → 40K1734+169#16826#16657
40K → 25.2M758+67#16657#16590
25.2M → Finish10216+86#16590#16504
TOTALS2590776+1814
📊

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