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BOSTON MARATHON 2023

Anna-Brook Opalinski

Bib: 16886•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
24:28
Rank: #13060
Start → 5K
7:53/mi
24:28 split
10K· 6.21 mi
48:35
Rank: #12883 (+177)
5K → 10K
7:46/mi
24:07 split
15K· 9.32 mi
1:15:08
Rank: #14840 (-1957)
10K → 15K
8:33/mi
26:33 split
20K· 12.43 mi
1:42:33
Rank: #15932 (-1092)
15K → 20K
8:49/mi
27:25 split
Half· 13.11 mi
1:48:19
Rank: #16011 (-79)
20K → Half
8:27/mi
5:46 split
25K· 15.53 mi
2:10:16
Rank: #16645 (-634)
Half → 25K
9:03/mi
21:57 split
30K· 18.64 mi
2:42:55
Rank: #18216 (-1571)
25K → 30K
10:31/mi
32:39 split
20M
2:57:06
Rank: #18638 (-422)
30K → 20M
10:26/mi
14:11 split
21M
3:08:24
Rank: #18923 (-285)
20M → 21M
11:18/mi
11:18 split
35K· 21.75 mi
3:15:41
Rank: #18997 (-74)
21M → 35K
9:44/mi
7:17 split
23M
3:28:32
Rank: #19149 (-152)
35K → 23M
10:16/mi
12:51 split
24M
3:40:25
Rank: #19601 (-452)
23M → 24M
11:53/mi
11:53 split
40K· 24.85 mi
3:49:45
Rank: #19752 (-151)
24M → 40K
10:55/mi
9:20 split
25.2M
3:54:08
Rank: #19859 (-107)
40K → 25.2M
12:43/mi
4:23 split
Finish· 26.22 mi
4:03:03
Rank: #19761 (+98)
25.2M → Finish
8:45/mi
8:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:19
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:14:44
Pace10:17 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4024:287:5324:28
7:53
-
10K
6.21 mi11:39:4748:357:4924:07
7:46
-0:07
15K
9.32 mi12:06:201:15:088:0426:33
8:33
+0:47
20K
12.43 mi12:33:451:42:338:1527:25
8:49
+0:16
Half
13.11 mi12:39:311:48:198:165:46
8:27
-0:22
25K
15.53 mi13:01:282:10:168:2321:57
9:03
+0:36
30K
18.64 mi13:34:072:42:558:4432:39
10:31
+1:28
20M
20.00 mi13:48:182:57:068:5114:11
10:26
-0:05
21M
21.00 mi13:59:363:08:248:5811:18
11:18
+0:52
35K
21.75 mi14:06:533:15:419:007:17
9:44
-1:34
23M
23.00 mi14:19:443:28:329:0412:51
10:16
+0:32
24M
24.00 mi14:31:373:40:259:1111:53
11:53
+1:37
40K
24.85 mi14:40:573:49:459:159:20
10:55
-0:58
25.2M
25.20 mi14:45:203:54:089:174:23
12:43
+1:48
Finish
26.22 mi14:54:154:03:039:178:55
8:45
-3:58

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

7:46 /mi

Average Pace

9:17 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:14

48% of race

Time at Steady Pace

56:16

23% of race

Time at Slower Pace

1:09:33

29% of race

Average Pace: 9:16 /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 mi11:15:4024:287:5324:28
7:53
#13060
10K
6.21 mi11:39:4748:357:4924:07
7:46
#12883
15K
9.32 mi12:06:201:15:088:0426:33
8:33
#14840
20K
12.43 mi12:33:451:42:338:1527:25
8:49
#15932
Half
13.11 mi12:39:311:48:198:165:46
8:27
#16011
25K
15.53 mi13:01:282:10:168:2321:57
9:03
#16645
30K
18.64 mi13:34:072:42:558:4432:39
10:31
#18216
20M
20.00 mi13:48:182:57:068:5114:11
10:26
#18638
21M
21.00 mi13:59:363:08:248:5811:18
11:18
#18923
35K
21.75 mi14:06:533:15:419:007:17
9:44
#18997
23M
23.00 mi14:19:443:28:329:0412:51
10:16
#19149
24M
24.00 mi14:31:373:40:259:1111:53
11:53
#19601
40K
24.85 mi14:40:573:49:459:159:20
10:55
#19752
25.2M
25.20 mi14:45:203:54:089:174:23
12:43
#19859
Finish
26.22 mi14:54:154:03:039:178:55
8:45
#19761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130603481348118138(Top 68%)6586(Top 58%)6586(Top 135%)
10K6.21 mi3.10 mi12883+1773371+1103371+11012819(Top 48%)3331(Top 29%)3331(Top 68%)
15K9.32 mi3.11 mi14840-19574564-11934564-119318138(Top 68%)6586(Top 58%)6586(Top 135%)
20K12.43 mi3.11 mi15932-10925263-6995263-69918819(Top 71%)6977(Top 61%)6977(Top 143%)
Half13.11 mi0.68 mi16011-795320-575320-5717530(Top 66%)6213(Top 54%)6213(Top 127%)
25K15.53 mi2.42 mi16645-6345725-4055725-40519225(Top 72%)7263(Top 64%)7263(Top 149%)
30K18.64 mi3.11 mi18216-15716698-9736698-97322230(Top 84%)9031(Top 79%)9031(Top 185%)
20M20.00 mi1.36 mi18638-4226954-2566954-25621590(Top 81%)8746(Top 77%)8746(Top 179%)
21M21.00 mi1.00 mi18923-2857121-1677121-16721483(Top 81%)8727(Top 76%)8727(Top 179%)
35K21.75 mi0.75 mi18997-747177-567177-5620573(Top 77%)8254(Top 72%)8254(Top 169%)
23M23.00 mi1.25 mi19149-1527270-937270-9320750(Top 78%)8372(Top 73%)8372(Top 171%)
24M24.00 mi1.00 mi19601-4527541-2717541-27124378(Top 92%)10365(Top 91%)10365(Top 212%)
40K24.85 mi0.85 mi19752-1517639-987639-9822182(Top 83%)9226(Top 81%)9226(Top 189%)
25.2M25.20 mi0.35 mi19859-1077702-637702-6323601(Top 89%)9976(Top 87%)9976(Top 204%)
Finish26.22 mi1.02 mi19761+987647+557647+5516808(Top 63%)6271(Top 55%)6271(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18138

Females

6586

F18-39

6586

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12819

Females

3331

F18-39

3331

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18138

Females

6586

F18-39

6586

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18819

Females

6977

F18-39

6977

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17530

Females

6213

F18-39

6213

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19225

Females

7263

F18-39

7263

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22230

Females

9031

F18-39

9031

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21590

Females

8746

F18-39

8746

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21483

Females

8727

F18-39

8727

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20573

Females

8254

F18-39

8254

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20750

Females

8372

F18-39

8372

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24378

Females

10365

F18-39

10365

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22182

Females

9226

F18-39

9226

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23601

Females

9976

F18-39

9976

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16808

Females

6271

F18-39

6271

Passing Analysis

Category:
Athletes Passed
737
Passed By
7438
Net Change
-6701
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13060
5K → 10K410233+177#13060#12883
10K → 15K81965-1957#12883#14840
15K → 20K271119-1092#14840#15932
20K → Half1190-79#15932#16011
Half → 25K28662-634#16011#16645
25K → 30K171588-1571#16645#18216
30K → 20M17439-422#18216#18638
20M → 21M21306-285#18638#18923
21M → 35K2599-74#18923#18997
35K → 23M39191-152#18997#19149
23M → 24M11463-452#19149#19601
24M → 40K13164-151#19601#19752
40K → 25.2M5112-107#19752#19859
25.2M → Finish1057+98#19859#19761
TOTALS7377438-6701
📊

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