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BOSTON MARATHON 2023

Andi Peng

Bib: 12771•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:53
Rank: #8563
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
45:42
Rank: #8856 (-293)
5K → 10K
22:49 | 7:21/mi
15K· 9.32 mi
1:08:15
Rank: #8630 (+226)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:31:12
Rank: #8546 (+84)
15K → 20K
22:57 | 7:23/mi
Half· 13.11 mi
1:36:11
Rank: #8552 (-6)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:54:21
Rank: #8522 (+30)
Half → 25K
18:10 | 7:30/mi
30K· 18.64 mi
2:18:27
Rank: #8586 (-64)
25K → 30K
24:06 | 7:45/mi
20M
2:29:11
Rank: #8629 (-43)
30K → 20M
10:44 | 7:54/mi
21M
2:37:28
Rank: #8631 (-2)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:43:18
Rank: #8701 (-70)
21M → 35K
5:50 | 7:48/mi
23M
2:53:16
Rank: #8741 (-40)
35K → 23M
9:58 | 7:58/mi
24M
3:01:03
Rank: #8745 (-4)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:07:38
Rank: #8691 (+54)
24M → 40K
6:35 | 7:42/mi
25.2M
3:10:23
Rank: #8643 (+48)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:17:38
Rank: #8512 (+131)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:11
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:41:27
Pace7:44 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3822:537:2222:53
7:22
-
10K
6.21 mi11:13:2745:427:2122:49
7:21
-0:01
15K
9.32 mi11:36:001:08:157:1922:33
7:15
-0:06
20K
12.43 mi11:58:571:31:127:2022:57
7:23
+0:08
Half
13.11 mi12:03:561:36:117:204:59
7:18
-0:05
25K
15.53 mi12:22:061:54:217:2218:10
7:30
+0:12
30K
18.64 mi12:46:122:18:277:2624:06
7:45
+0:15
20M
20.00 mi12:56:562:29:117:2810:44
7:54
+0:09
21M
21.00 mi13:05:132:37:287:308:17
8:17
+0:23
35K
21.75 mi13:11:032:43:187:315:50
7:48
-0:29
23M
23.00 mi13:21:012:53:167:329:58
7:58
+0:10
24M
24.00 mi13:28:483:01:037:337:47
7:47
-0:11
40K
24.85 mi13:35:233:07:387:336:35
7:42
-0:05
25.2M
25.20 mi13:38:083:10:237:332:45
7:58
+0:16
Finish
26.22 mi13:45:233:17:387:337:15
7:07
-0:51

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

7:07 /mi

Average Pace

7:33 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:54

84% of race

Time at Steady Pace

31:44

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:50:3822:537:2222:53
7:22
#8563
10K
6.21 mi11:13:2745:427:2122:49
7:21
#8856
15K
9.32 mi11:36:001:08:157:1922:33
7:15
#8630
20K
12.43 mi11:58:571:31:127:2022:57
7:23
#8546
Half
13.11 mi12:03:561:36:117:204:59
7:18
#8552
25K
15.53 mi12:22:061:54:217:2218:10
7:30
#8522
30K
18.64 mi12:46:122:18:277:2624:06
7:45
#8586
20M
20.00 mi12:56:562:29:117:2810:44
7:54
#8629
21M
21.00 mi13:05:132:37:287:308:17
8:17
#8631
35K
21.75 mi13:11:032:43:187:315:50
7:48
#8701
23M
23.00 mi13:21:012:53:167:329:58
7:58
#8741
24M
24.00 mi13:28:483:01:037:337:47
7:47
#8745
40K
24.85 mi13:35:233:07:387:336:35
7:42
#8691
25.2M
25.20 mi13:38:083:10:237:332:45
7:58
#8643
Finish
26.22 mi13:45:233:17:387:337:15
7:07
#8512
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8563121912198250(Top 31%)1165(Top 10%)1165(Top 24%)
10K6.21 mi3.10 mi8856-2931352-1331352-1339195(Top 35%)1494(Top 13%)1494(Top 31%)
15K9.32 mi3.11 mi8630+2261273+791273+798250(Top 31%)1165(Top 10%)1165(Top 24%)
20K12.43 mi3.11 mi8546+841259+141259+148421(Top 32%)1271(Top 11%)1271(Top 26%)
Half13.11 mi0.68 mi8552-61253+61253+68708(Top 33%)1368(Top 12%)1368(Top 28%)
25K15.53 mi2.42 mi8522+301267-141267-148754(Top 33%)1455(Top 13%)1455(Top 30%)
30K18.64 mi3.11 mi8586-641329-621329-629037(Top 34%)1721(Top 15%)1721(Top 35%)
20M20.00 mi1.36 mi8629-431363-341363-349562(Top 36%)2038(Top 18%)2038(Top 42%)
21M21.00 mi1.00 mi8631-21384-211384-219148(Top 34%)1980(Top 17%)1980(Top 41%)
35K21.75 mi0.75 mi8701-701424-401424-4010644(Top 40%)2678(Top 23%)2678(Top 55%)
23M23.00 mi1.25 mi8741-401461-371461-379491(Top 36%)2256(Top 20%)2256(Top 46%)
24M24.00 mi1.00 mi8745-41486-251486-259667(Top 36%)2416(Top 21%)2416(Top 49%)
40K24.85 mi0.85 mi8691+541489-31489-38004(Top 30%)1742(Top 15%)1742(Top 36%)
25.2M25.20 mi0.35 mi8643+481474+151474+156430(Top 24%)1214(Top 11%)1214(Top 25%)
Finish26.22 mi1.02 mi8512+1311445+291445+295924(Top 22%)1043(Top 9%)1043(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8250

Females

1165

F18-39

1165

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9195

Females

1494

F18-39

1494

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8250

Females

1165

F18-39

1165

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8421

Females

1271

F18-39

1271

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8708

Females

1368

F18-39

1368

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8754

Females

1455

F18-39

1455

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9037

Females

1721

F18-39

1721

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9562

Females

2038

F18-39

2038

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9148

Females

1980

F18-39

1980

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10644

Females

2678

F18-39

2678

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9491

Females

2256

F18-39

2256

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9667

Females

2416

F18-39

2416

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8004

Females

1742

F18-39

1742

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6430

Females

1214

F18-39

1214

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5924

Females

1043

F18-39

1043

Passing Analysis

Category:
Athletes Passed
1443
Passed By
1392
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8563
5K → 10K144437-293#8563#8856
10K → 15K27549+226#8856#8630
15K → 20K17490+84#8630#8546
20K → Half2531-6#8546#8552
Half → 25K10777+30#8552#8522
25K → 30K143207-64#8522#8586
30K → 20M68111-43#8586#8629
20M → 21M7476-2#8629#8631
21M → 35K2393-70#8631#8701
35K → 23M62102-40#8701#8741
23M → 24M6367-4#8741#8745
24M → 40K8834+54#8745#8691
40K → 25.2M524+48#8691#8643
25.2M → Finish14514+131#8643#8512
TOTALS14431392+51
📊

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