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BOSTON MARATHON 2023

Penny Leong

Bib: 22720•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:34
Rank: #17921
Start → 5K
26:34 | 8:33/mi
10K· 6.21 mi
53:04
Rank: #18153 (-232)
5K → 10K
26:30 | 8:32/mi
15K· 9.32 mi
1:19:28
Rank: #18012 (+141)
10K → 15K
26:24 | 8:30/mi
20K· 12.43 mi
1:46:47
Rank: #18163 (-151)
15K → 20K
27:19 | 8:48/mi
Half· 13.11 mi
1:52:29
Rank: #18088 (+75)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:12:54
Rank: #17654 (+434)
Half → 25K
20:25 | 8:25/mi
30K· 18.64 mi
2:40:37
Rank: #17471 (+183)
25K → 30K
27:43 | 8:55/mi
20M
2:52:59
Rank: #17412 (+59)
30K → 20M
12:22 | 9:06/mi
21M
3:02:37
Rank: #17359 (+53)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
3:08:56
Rank: #17265 (+94)
21M → 35K
6:19 | 8:27/mi
23M
3:20:07
Rank: #17178 (+87)
35K → 23M
11:11 | 8:56/mi
24M
3:28:49
Rank: #17093 (+85)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:36:20
Rank: #17021 (+72)
24M → 40K
7:31 | 8:47/mi
25.2M
3:39:31
Rank: #16965 (+56)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:47:36
Rank: #16773 (+192)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:55:07
Pace8:47 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5926:348:3326:34
8:33
-
10K
6.21 mi11:47:2953:048:3226:30
8:32
-0:01
15K
9.32 mi12:13:531:19:288:3226:24
8:30
-0:02
20K
12.43 mi12:41:121:46:478:3627:19
8:48
+0:18
Half
13.11 mi12:46:541:52:298:355:42
8:21
-0:27
25K
15.53 mi13:07:192:12:548:3320:25
8:25
+0:04
30K
18.64 mi13:35:022:40:378:3727:43
8:55
+0:30
20M
20.00 mi13:47:242:52:598:3912:22
9:06
+0:11
21M
21.00 mi13:57:023:02:378:429:38
9:38
+0:32
35K
21.75 mi14:03:213:08:568:416:19
8:27
-1:11
23M
23.00 mi14:14:323:20:078:4211:11
8:56
+0:29
24M
24.00 mi14:23:143:28:498:428:42
8:42
-0:14
40K
24.85 mi14:30:453:36:208:427:31
8:47
+0:05
25.2M
25.20 mi14:33:563:39:318:433:11
9:14
+0:27
Finish
26.22 mi14:42:013:47:368:418:05
7:56
-1:18

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

7:56 /mi

Average Pace

8:41 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:55

29% of race

Time at Steady Pace

1:36:36

42% of race

Time at Slower Pace

1:04:05

28% of race

Average Pace: 8:41 /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 mi11:20:5926:348:3326:34
8:33
#17921
10K
6.21 mi11:47:2953:048:3226:30
8:32
#18153
15K
9.32 mi12:13:531:19:288:3226:24
8:30
#18012
20K
12.43 mi12:41:121:46:478:3627:19
8:48
#18163
Half
13.11 mi12:46:541:52:298:355:42
8:21
#18088
25K
15.53 mi13:07:192:12:548:3320:25
8:25
#17654
30K
18.64 mi13:35:022:40:378:3727:43
8:55
#17471
20M
20.00 mi13:47:242:52:598:3912:22
9:06
#17412
21M
21.00 mi13:57:023:02:378:429:38
9:38
#17359
35K
21.75 mi14:03:213:08:568:416:19
8:27
#17265
23M
23.00 mi14:14:323:20:078:4211:11
8:56
#17178
24M
24.00 mi14:23:143:28:498:428:42
8:42
#17093
40K
24.85 mi14:30:453:36:208:427:31
8:47
#17021
25.2M
25.20 mi14:33:563:39:318:433:11
9:14
#16965
Finish
26.22 mi14:42:013:47:368:418:05
7:56
#16773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi179216499649917801(Top 67%)6387(Top 56%)6387(Top 352%)
10K6.21 mi3.10 mi18153-2326619-1206619-12018434(Top 69%)6729(Top 59%)6729(Top 370%)
15K9.32 mi3.11 mi18012+1416533+866533+8617801(Top 67%)6387(Top 56%)6387(Top 352%)
20K12.43 mi3.11 mi18163-1516608-756608-7518628(Top 70%)6866(Top 60%)6866(Top 378%)
Half13.11 mi0.68 mi18088+756562+466562+4616898(Top 63%)5844(Top 51%)5844(Top 322%)
25K15.53 mi2.42 mi17654+4346326+2366326+23615728(Top 59%)5278(Top 46%)5278(Top 290%)
30K18.64 mi3.11 mi17471+1836236+906236+9016775(Top 63%)5936(Top 52%)5936(Top 327%)
20M20.00 mi1.36 mi17412+596225+116225+1117069(Top 64%)6199(Top 54%)6199(Top 341%)
21M21.00 mi1.00 mi17359+536208+176208+1716598(Top 62%)5968(Top 52%)5968(Top 328%)
35K21.75 mi0.75 mi17265+946161+476161+4715035(Top 56%)5140(Top 45%)5140(Top 283%)
23M23.00 mi1.25 mi17178+876120+416120+4115720(Top 59%)5589(Top 49%)5589(Top 308%)
24M24.00 mi1.00 mi17093+856096+246096+2415690(Top 59%)5639(Top 49%)5639(Top 310%)
40K24.85 mi0.85 mi17021+726076+206076+2015078(Top 57%)5347(Top 47%)5347(Top 294%)
25.2M25.20 mi0.35 mi16965+566052+246052+2413921(Top 52%)4732(Top 41%)4732(Top 260%)
Finish26.22 mi1.02 mi16773+1925946+1065946+10611677(Top 44%)3548(Top 31%)3548(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17801

Females

6387

F45-49

6387

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18434

Females

6729

F45-49

6729

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17801

Females

6387

F45-49

6387

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18628

Females

6866

F45-49

6866

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16898

Females

5844

F45-49

5844

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15728

Females

5278

F45-49

5278

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16775

Females

5936

F45-49

5936

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

17069

Females

6199

F45-49

6199

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16598

Females

5968

F45-49

5968

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15035

Females

5140

F45-49

5140

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15720

Females

5589

F45-49

5589

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15690

Females

5639

F45-49

5639

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15078

Females

5347

F45-49

5347

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13921

Females

4732

F45-49

4732

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11677

Females

3548

F45-49

3548

Passing Analysis

Category:
Athletes Passed
2287
Passed By
1139
Net Change
+1148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17921
5K → 10K200432-232#17921#18153
10K → 15K267126+141#18153#18012
15K → 20K125276-151#18012#18163
20K → Half783+75#18163#18088
Half → 25K4384+434#18088#17654
25K → 30K26279+183#17654#17471
30K → 20M11455+59#17471#17412
20M → 21M11158+53#17412#17359
21M → 35K1028+94#17359#17265
35K → 23M12841+87#17265#17178
23M → 24M10621+85#17178#17093
24M → 40K9826+72#17093#17021
40K → 25.2M626+56#17021#16965
25.2M → Finish1964+192#16965#16773
TOTALS22871139+1148
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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