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BOSTON MARATHON 2023

Kelly Lorence

Bib: 30297•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

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
8:49/mi
27:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
54:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:20:36
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:48:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:54:12
↑ 19↓ 370.5%
25K· 15.53 mi
9:27/mi
2:17:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:16/mi
2:49:00
↑ 181↓ 1480.2%
20M
11:20/mi
3:04:24
↑ 64↓ 500.2%
21M
13:22/mi
3:17:46
↑ 106↓ 241.6%
35K· 21.75 mi
11:34/mi
3:26:25
↑ 17↓ 861.7%
23M
13:46/mi
3:43:39
↑ 23↓ 630.6%
24M
11:06/mi
3:54:45
↓ 821.3%
40K· 24.85 mi
10:04/mi
4:03:21
↓ 200.3%
25.2M
11:39/mi
4:07:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
4:17:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:12
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:23:11
Pace10:55 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5527:248:4927:24
8:49
-
10K
6.21 mi12:12:3354:028:4226:38
8:34
-0:15
15K
9.32 mi12:39:071:20:368:3926:34
8:33
-0:01
20K
12.43 mi13:06:391:48:088:4227:32
8:52
+0:19
Half
13.11 mi13:12:431:54:128:436:04
8:54
+0:02
25K
15.53 mi13:35:372:17:068:5022:54
9:27
+0:33
30K
18.64 mi14:07:312:49:009:0431:54
10:16
+0:49
20M
20.00 mi14:22:553:04:249:1315:24
11:20
+1:04
21M
21.00 mi14:36:173:17:469:2513:22
13:22
+2:02
35K
21.75 mi14:44:563:26:259:298:39
11:34
-1:48
23M
23.00 mi15:02:103:43:399:4317:14
13:46
+2:12
24M
24.00 mi15:13:163:54:459:4711:06
11:06
-2:40
40K
24.85 mi15:21:524:03:219:478:36
10:04
-1:02
25.2M
25.20 mi15:25:534:07:229:494:01
11:39
+1:35
Finish
26.22 mi15:35:544:17:239:4910:01
9:50
-1:49

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

8:33 /mi

Average Pace

9:49 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

44% of race

Time at Steady Pace

1:13:25

29% of race

Time at Slower Pace

1:09:46

27% 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 mi11:45:5527:248:4927:24
8:49
#19580
10K
6.21 mi12:12:3354:028:4226:38
8:34
#19087
15K
9.32 mi12:39:071:20:368:3926:34
8:33
#18745
20K
12.43 mi13:06:391:48:088:4227:32
8:52
#18799
Half
13.11 mi13:12:431:54:128:436:04
8:54
#18861
25K
15.53 mi13:35:372:17:068:5022:54
9:27
#19235
30K
18.64 mi14:07:312:49:009:0431:54
10:16
#19907
20M
20.00 mi14:22:553:04:249:1315:24
11:20
#20328
21M
21.00 mi14:36:173:17:469:2513:22
13:22
#20753
35K
21.75 mi14:44:563:26:259:298:39
11:34
#20939
23M
23.00 mi15:02:103:43:399:4317:14
13:46
#21532
24M
24.00 mi15:13:163:54:459:4711:06
11:06
#21629
40K
24.85 mi15:21:524:03:219:478:36
10:04
#21580
25.2M
25.20 mi15:25:534:07:229:494:01
11:39
#21576
Finish
26.22 mi15:35:544:17:239:4910:01
9:50
#21568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi195807566756618173(Top 68%)6606(Top 58%)6606(Top 135%)
10K6.21 mi3.10 mi19087+4937206+3607206+36018695(Top 70%)6900(Top 60%)6900(Top 141%)
15K9.32 mi3.11 mi18745+3426972+2346972+23418173(Top 68%)6606(Top 58%)6606(Top 135%)
20K12.43 mi3.11 mi18799-547001-297001-2919031(Top 71%)7109(Top 62%)7109(Top 146%)
Half13.11 mi0.68 mi18861-627042-417042-4120005(Top 75%)7678(Top 67%)7678(Top 157%)
25K15.53 mi2.42 mi19235-3747260-2187260-21820672(Top 78%)8090(Top 71%)8090(Top 166%)
30K18.64 mi3.11 mi19907-6727680-4207680-42021714(Top 82%)8747(Top 77%)8747(Top 179%)
20M20.00 mi1.36 mi20328-4217929-2497929-24923242(Top 87%)9648(Top 84%)9648(Top 198%)
21M21.00 mi1.00 mi20753-4258164-2358164-23524465(Top 92%)10323(Top 90%)10323(Top 211%)
35K21.75 mi0.75 mi20939-1868287-1238287-12324192(Top 91%)10221(Top 89%)10221(Top 209%)
23M23.00 mi1.25 mi21532-5938616-3298616-32925669(Top 96%)10986(Top 96%)10986(Top 225%)
24M24.00 mi1.00 mi21629-978687-718687-7123234(Top 87%)9754(Top 85%)9754(Top 200%)
40K24.85 mi0.85 mi21580+498670+178670+1720151(Top 76%)8141(Top 71%)8141(Top 167%)
25.2M25.20 mi0.35 mi21576+48672-28672-221878(Top 82%)9062(Top 79%)9062(Top 186%)
Finish26.22 mi1.02 mi21568+88676-48676-421266(Top 80%)8698(Top 76%)8698(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18173

Females

6606

F18-39

6606

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18695

Females

6900

F18-39

6900

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18173

Females

6606

F18-39

6606

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

19031

Females

7109

F18-39

7109

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

20005

Females

7678

F18-39

7678

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20672

Females

8090

F18-39

8090

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21714

Females

8747

F18-39

8747

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23242

Females

9648

F18-39

9648

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24465

Females

10323

F18-39

10323

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24192

Females

10221

F18-39

10221

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25669

Females

10986

F18-39

10986

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23234

Females

9754

F18-39

9754

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20151

Females

8141

F18-39

8141

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21878

Females

9062

F18-39

9062

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21266

Females

8698

F18-39

8698

Passing Analysis

Category:
Athletes Passed
1506
Passed By
3494
Net Change
-1988
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19580
5K → 10K659166+493#19580#19087
10K → 15K40866+342#19087#18745
15K → 20K146200-54#18745#18799
20K → Half1375-62#18799#18861
Half → 25K48422-374#18861#19235
25K → 30K38710-672#19235#19907
30K → 20M17438-421#19907#20328
20M → 21M6431-425#20328#20753
21M → 35K9195-186#20753#20939
35K → 23M8601-593#20939#21532
23M → 24M22119-97#21532#21629
24M → 40K6314+49#21629#21580
40K → 25.2M2521+4#21580#21576
25.2M → Finish4436+8#21576#21568
TOTALS15063494-1988
📊

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