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BOSTON MARATHON 2023

Peggy Zhang

Bib: 30135•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

Start
0:00:00
Race begins
5K· 3.11 mi
37:36
Rank: #26464
Start → 5K
37:36 | 12:06/mi
10K· 6.21 mi
1:16:02
Rank: #26462 (+2)
5K → 10K
38:26 | 12:22/mi
15K· 9.32 mi
1:55:24
Rank: #26457 (+5)
10K → 15K
39:22 | 12:40/mi
20K· 12.43 mi
2:37:05
Rank: #26458 (-1)
15K → 20K
41:41 | 13:25/mi
Half· 13.11 mi
2:45:28
Rank: #26447 (+11)
20K → Half
8:23 | 12:17/mi
25K· 15.53 mi
3:16:46
Rank: #26372 (+75)
Half → 25K
31:18 | 12:55/mi
30K· 18.64 mi
3:58:02
Rank: #26288 (+84)
25K → 30K
41:16 | 13:17/mi
20M
4:16:47
Rank: #26255 (+33)
30K → 20M
18:45 | 13:48/mi
21M
4:32:12
Rank: #26252 (+3)
20M → 21M
15:25 | 15:25/mi
35K· 21.75 mi
4:41:58
Rank: #26230 (+22)
21M → 35K
9:46 | 13:03/mi
23M
4:58:15
Rank: #26191 (+39)
35K → 23M
16:17 | 13:00/mi
24M
5:11:06
Rank: #26174 (+17)
23M → 24M
12:51 | 12:51/mi
40K· 24.85 mi
5:23:22
Rank: #26175 (-1)
24M → 40K
12:16 | 14:21/mi
25.2M
5:28:49
Rank: #26180 (-5)
40K → 25.2M
5:27 | 15:48/mi
Finish· 26.22 mi
5:42:06
Rank: #26179 (+1)
25.2M → Finish
13:17 | 13:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:28
Pace12:37 /mi
2nd Half
Distance13.11 mi
Time2:56:38
Pace13:28 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4137:3612:0637:36
12:06
-
10K
6.21 mi12:35:071:16:0212:1438:26
12:22
+0:16
15K
9.32 mi13:14:291:55:2412:2339:22
12:40
+0:18
20K
12.43 mi13:56:102:37:0512:3841:41
13:25
+0:45
Half
13.11 mi14:04:332:45:2812:378:23
12:17
-1:08
25K
15.53 mi14:35:513:16:4612:4031:18
12:55
+0:38
30K
18.64 mi15:17:073:58:0212:4641:16
13:17
+0:22
20M
20.00 mi15:35:524:16:4712:5018:45
13:48
+0:31
21M
21.00 mi15:51:174:32:1212:5815:25
15:25
+1:37
35K
21.75 mi16:01:034:41:5812:589:46
13:03
-2:22
23M
23.00 mi16:17:204:58:1512:5816:17
13:00
-0:03
24M
24.00 mi16:30:115:11:0612:5812:51
12:51
-0:09
40K
24.85 mi16:42:275:23:2213:0112:16
14:21
+1:30
25.2M
25.20 mi16:47:545:28:4913:035:27
15:48
+1:27
Finish
26.22 mi17:01:115:42:0613:0313:17
13:02
-2:46

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

12:06 /mi

Average Pace

13:03 /mi

Slowest Pace

15:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:25

25% of race

Time at Steady Pace

3:25:48

60% of race

Time at Slower Pace

51:53

15% of race

Average Pace: 13:03 /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 mi11:56:4137:3612:0637:36
12:06
#26464
10K
6.21 mi12:35:071:16:0212:1438:26
12:22
#26462
15K
9.32 mi13:14:291:55:2412:2339:22
12:40
#26457
20K
12.43 mi13:56:102:37:0512:3841:41
13:25
#26458
Half
13.11 mi14:04:332:45:2812:378:23
12:17
#26447
25K
15.53 mi14:35:513:16:4612:4031:18
12:55
#26372
30K
18.64 mi15:17:073:58:0212:4641:16
13:17
#26288
20M
20.00 mi15:35:524:16:4712:5018:45
13:48
#26255
21M
21.00 mi15:51:174:32:1212:5815:25
15:25
#26252
35K
21.75 mi16:01:034:41:5812:589:46
13:03
#26230
23M
23.00 mi16:17:204:58:1512:5816:17
13:00
#26191
24M
24.00 mi16:30:115:11:0612:5812:51
12:51
#26174
40K
24.85 mi16:42:275:23:2213:0112:16
14:21
#26175
25.2M
25.20 mi16:47:545:28:4913:035:27
15:48
#26180
Finish
26.22 mi17:01:115:42:0613:0313:17
13:02
#26179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26464113361133626394(Top 99%)11291(Top 99%)11291(Top 231%)
10K6.21 mi3.10 mi26462+211334+211334+226434(Top 99%)11318(Top 99%)11318(Top 232%)
15K9.32 mi3.11 mi26457+5113341133426394(Top 99%)11291(Top 99%)11291(Top 231%)
20K12.43 mi3.11 mi26458-111332+211332+226402(Top 99%)11298(Top 99%)11298(Top 231%)
Half13.11 mi0.68 mi26447+1111326+611326+626055(Top 98%)11093(Top 97%)11093(Top 227%)
25K15.53 mi2.42 mi26372+7511265+6111265+6125813(Top 97%)10973(Top 96%)10973(Top 225%)
30K18.64 mi3.11 mi26288+8411219+4611219+4625625(Top 96%)10908(Top 95%)10908(Top 223%)
20M20.00 mi1.36 mi26255+3311205+1411205+1425725(Top 97%)10975(Top 96%)10975(Top 225%)
21M21.00 mi1.00 mi26252+311208-311208-325972(Top 98%)11096(Top 97%)11096(Top 227%)
35K21.75 mi0.75 mi26230+2211201+711201+725609(Top 96%)10950(Top 96%)10950(Top 224%)
23M23.00 mi1.25 mi26191+3911180+2111180+2125094(Top 94%)10682(Top 94%)10682(Top 219%)
24M24.00 mi1.00 mi26174+1711171+911171+925376(Top 95%)10870(Top 95%)10870(Top 223%)
40K24.85 mi0.85 mi26175-1111711117125881(Top 97%)11120(Top 97%)11120(Top 228%)
25.2M25.20 mi0.35 mi26180-511175-411175-426059(Top 98%)11193(Top 98%)11193(Top 229%)
Finish26.22 mi1.02 mi26179+111172+311172+325993(Top 98%)11169(Top 98%)11169(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26394

Females

11291

F18-39

11291

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26434

Females

11318

F18-39

11318

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26394

Females

11291

F18-39

11291

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26402

Females

11298

F18-39

11298

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26055

Females

11093

F18-39

11093

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25813

Females

10973

F18-39

10973

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25625

Females

10908

F18-39

10908

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25725

Females

10975

F18-39

10975

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

25972

Females

11096

F18-39

11096

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25609

Females

10950

F18-39

10950

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

25094

Females

10682

F18-39

10682

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25376

Females

10870

F18-39

10870

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25881

Females

11120

F18-39

11120

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26059

Females

11193

F18-39

11193

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

25993

Females

11169

F18-39

11169

Passing Analysis

Category:
Athletes Passed
449
Passed By
164
Net Change
+285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26464
5K → 10K3735+2#26464#26462
10K → 15K3227+5#26462#26457
15K → 20K3132-1#26457#26458
20K → Half110+11#26458#26447
Half → 25K794+75#26447#26372
25K → 30K917+84#26372#26288
30K → 20M374+33#26288#26255
20M → 21M2017+3#26255#26252
21M → 35K275+22#26252#26230
35K → 23M412+39#26230#26191
23M → 24M203+17#26191#26174
24M → 40K1314-1#26174#26175
40K → 25.2M16-5#26175#26180
25.2M → Finish98+1#26180#26179
TOTALS449164+285
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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