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BOSTON MARATHON 2023

Lisa Perks

Bib: 18454•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F40-44)
#0 / 1878
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
8:32/mi
26:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
51:30
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:42
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:42:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:47:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:07:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:34:02
↑ 181↓ 1480.2%
20M
8:44/mi
2:45:54
↑ 64↓ 500.2%
21M
10:05/mi
2:55:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
3:02:12
↑ 17↓ 861.7%
23M
8:39/mi
3:13:02
↑ 23↓ 630.6%
24M
8:24/mi
3:21:26
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:28:47
↓ 200.3%
25.2M
9:46/mi
3:32:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
3:41:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:33
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:53:38
Pace8:40 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4026:318:3226:31
8:32
-
10K
6.21 mi11:42:3951:308:1724:59
8:02
-0:30
15K
9.32 mi12:07:511:16:428:1425:12
8:07
+0:05
20K
12.43 mi12:33:111:42:028:1325:20
8:09
+0:02
Half
13.11 mi12:38:421:47:338:125:31
8:05
-0:04
25K
15.53 mi12:58:502:07:418:1320:08
8:18
+0:13
30K
18.64 mi13:25:112:34:028:1626:21
8:29
+0:11
20M
20.00 mi13:37:032:45:548:1811:52
8:44
+0:15
21M
21.00 mi13:47:082:55:598:2310:05
10:05
+1:21
35K
21.75 mi13:53:213:02:128:236:13
8:19
-1:46
23M
23.00 mi14:04:113:13:028:2410:50
8:39
+0:20
24M
24.00 mi14:12:353:21:268:248:24
8:24
-0:15
40K
24.85 mi14:19:563:28:478:247:21
8:36
+0:12
25.2M
25.20 mi14:23:183:32:098:253:22
9:46
+1:10
Finish
26.22 mi14:32:203:41:118:279:02
8:52
-0:54

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

8:02 /mi

Average Pace

8:27 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:02

37% of race

Time at Steady Pace

1:57:40

53% of race

Time at Slower Pace

22:29

10% of race

Average Pace: 8:26 /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 mi11:17:4026:318:3226:31
8:32
#17796
10K
6.21 mi11:42:3951:308:1724:59
8:02
#16424
15K
9.32 mi12:07:511:16:428:1425:12
8:07
#16030
20K
12.43 mi12:33:111:42:028:1325:20
8:09
#15648
Half
13.11 mi12:38:421:47:338:125:31
8:05
#15621
25K
15.53 mi12:58:502:07:418:1320:08
8:18
#15492
30K
18.64 mi13:25:112:34:028:1626:21
8:29
#15217
20M
20.00 mi13:37:032:45:548:1811:52
8:44
#15202
21M
21.00 mi13:47:082:55:598:2310:05
10:05
#15396
35K
21.75 mi13:53:213:02:128:236:13
8:19
#15321
23M
23.00 mi14:04:113:13:028:2410:50
8:39
#15243
24M
24.00 mi14:12:353:21:268:248:24
8:24
#15157
40K
24.85 mi14:19:563:28:478:247:21
8:36
#15114
25.2M
25.20 mi14:23:183:32:098:253:22
9:46
#15118
Finish
26.22 mi14:32:203:41:118:279:02
8:52
#15231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi177966418641815254(Top 57%)4828(Top 42%)4828(Top 257%)
10K6.21 mi3.10 mi16424+13725540+8785540+87815120(Top 57%)4740(Top 41%)4740(Top 252%)
15K9.32 mi3.11 mi16030+3945301+2395301+23915254(Top 57%)4828(Top 42%)4828(Top 257%)
20K12.43 mi3.11 mi15648+3825084+2175084+21714644(Top 55%)4495(Top 39%)4495(Top 239%)
Half13.11 mi0.68 mi15621+275071+135071+1315112(Top 57%)4757(Top 42%)4757(Top 253%)
25K15.53 mi2.42 mi15492+1295022+495022+4914993(Top 56%)4835(Top 42%)4835(Top 257%)
30K18.64 mi3.11 mi15217+2754893+1294893+12914209(Top 53%)4461(Top 39%)4461(Top 238%)
20M20.00 mi1.36 mi15202+154909-164909-1615075(Top 57%)5042(Top 44%)5042(Top 268%)
21M21.00 mi1.00 mi15396-1945055-1465055-14618317(Top 69%)6936(Top 61%)6936(Top 369%)
35K21.75 mi0.75 mi15321+755019+365019+3614198(Top 53%)4678(Top 41%)4678(Top 249%)
23M23.00 mi1.25 mi15243+784990+294990+2914110(Top 53%)4685(Top 41%)4685(Top 249%)
24M24.00 mi1.00 mi15157+864952+384952+3813906(Top 52%)4621(Top 40%)4621(Top 246%)
40K24.85 mi0.85 mi15114+434946+64946+613968(Top 52%)4731(Top 41%)4731(Top 252%)
25.2M25.20 mi0.35 mi15118-44957-114957-1116397(Top 62%)6091(Top 53%)6091(Top 324%)
Finish26.22 mi1.02 mi15231-1135041-845041-8417348(Top 65%)6556(Top 57%)6556(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15254

Females

4828

F40-44

4828

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15120

Females

4740

F40-44

4740

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15254

Females

4828

F40-44

4828

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14644

Females

4495

F40-44

4495

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15112

Females

4757

F40-44

4757

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14993

Females

4835

F40-44

4835

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14209

Females

4461

F40-44

4461

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15075

Females

5042

F40-44

5042

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18317

Females

6936

F40-44

6936

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14198

Females

4678

F40-44

4678

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14110

Females

4685

F40-44

4685

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13906

Females

4621

F40-44

4621

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13968

Females

4731

F40-44

4731

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16397

Females

6091

F40-44

6091

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17348

Females

6556

F40-44

6556

Passing Analysis

Category:
Athletes Passed
3462
Passed By
897
Net Change
+2565
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17796
5K → 10K141745+1372#17796#16424
10K → 15K45460+394#16424#16030
15K → 20K41533+382#16030#15648
20K → Half4518+27#15648#15621
Half → 25K19768+129#15621#15492
25K → 30K32752+275#15492#15217
30K → 20M9782+15#15217#15202
20M → 21M39233-194#15202#15396
21M → 35K8914+75#15396#15321
35K → 23M12850+78#15321#15243
23M → 24M11226+86#15243#15157
24M → 40K7936+43#15157#15114
40K → 25.2M3337-4#15114#15118
25.2M → Finish30143-113#15118#15231
TOTALS3462897+2565
📊

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