Boston Marathon logo
BOSTON MARATHON 2023

Patricia Pedersen

Bib: 20540•F

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:47
Rank: #20189
Start → 5K
27:47 | 8:57/mi
10K· 6.21 mi
55:10
Rank: #20075 (+114)
5K → 10K
27:23 | 8:49/mi
15K· 9.32 mi
1:22:47
Rank: #20041 (+34)
10K → 15K
27:37 | 8:53/mi
20K· 12.43 mi
1:51:32
Rank: #20241 (-200)
15K → 20K
28:45 | 9:15/mi
Half· 13.11 mi
1:57:33
Rank: #20215 (+26)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:19:09
Rank: #19919 (+296)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:47:51
Rank: #19614 (+305)
25K → 30K
28:42 | 9:14/mi
20M
3:00:20
Rank: #19448 (+166)
30K → 20M
12:29 | 9:11/mi
21M
3:10:24
Rank: #19356 (+92)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
3:16:59
Rank: #19275 (+81)
21M → 35K
6:35 | 8:48/mi
23M
3:28:24
Rank: #19132 (+143)
35K → 23M
11:25 | 9:07/mi
24M
3:37:09
Rank: #18996 (+136)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:44:45
Rank: #18865 (+131)
24M → 40K
7:36 | 8:53/mi
25.2M
3:48:06
Rank: #18819 (+46)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:56:44
Rank: #18717 (+102)
25.2M → Finish
8:38 | 8:28/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:33
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0827:478:5727:47
8:57
-
10K
6.21 mi11:50:3155:108:5327:23
8:49
-0:08
15K
9.32 mi12:18:081:22:478:5327:37
8:53
+0:04
20K
12.43 mi12:46:531:51:328:5828:45
9:15
+0:22
Half
13.11 mi12:52:541:57:338:586:01
8:49
-0:26
25K
15.53 mi13:14:302:19:098:5721:36
8:55
+0:06
30K
18.64 mi13:43:122:47:519:0028:42
9:14
+0:19
20M
20.00 mi13:55:413:00:209:0112:29
9:11
-0:03
21M
21.00 mi14:05:453:10:249:0410:04
10:04
+0:53
35K
21.75 mi14:12:203:16:599:036:35
8:48
-1:16
23M
23.00 mi14:23:453:28:249:0411:25
9:07
+0:19
24M
24.00 mi14:32:303:37:099:038:45
8:45
-0:22
40K
24.85 mi14:40:063:44:459:037:36
8:53
+0:08
25.2M
25.20 mi14:43:273:48:069:033:21
9:43
+0:50
Finish
26.22 mi14:52:053:56:449:028:38
8:28
-1:15

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

8:28 /mi

Average Pace

9:02 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:19

94% of race

Time at Steady Pace

3:21

1% of race

Time at Slower Pace

10:04

4% of race

Average Pace: 9:02 /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 mi11:23:0827:478:5727:47
8:57
#20189
10K
6.21 mi11:50:3155:108:5327:23
8:49
#20075
15K
9.32 mi12:18:081:22:478:5327:37
8:53
#20041
20K
12.43 mi12:46:531:51:328:5828:45
9:15
#20241
Half
13.11 mi12:52:541:57:338:586:01
8:49
#20215
25K
15.53 mi13:14:302:19:098:5721:36
8:55
#19919
30K
18.64 mi13:43:122:47:519:0028:42
9:14
#19614
20M
20.00 mi13:55:413:00:209:0112:29
9:11
#19448
21M
21.00 mi14:05:453:10:249:0410:04
10:04
#19356
35K
21.75 mi14:12:203:16:599:036:35
8:48
#19275
23M
23.00 mi14:23:453:28:249:0411:25
9:07
#19132
24M
24.00 mi14:32:303:37:099:038:45
8:45
#18996
40K
24.85 mi14:40:063:44:459:037:36
8:53
#18865
25.2M
25.20 mi14:43:273:48:069:033:21
9:43
#18819
Finish
26.22 mi14:52:053:56:449:028:38
8:28
#18717
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201897931793119994(Top 75%)7680(Top 67%)7680(Top 636%)
10K6.21 mi3.10 mi20075+1147807+1247807+12420011(Top 75%)7705(Top 67%)7705(Top 638%)
15K9.32 mi3.11 mi20041+347764+437764+4319994(Top 75%)7680(Top 67%)7680(Top 636%)
20K12.43 mi3.11 mi20241-2007855-917855-9120799(Top 78%)8111(Top 71%)8111(Top 672%)
Half13.11 mi0.68 mi20215+267835+207835+2019609(Top 74%)7437(Top 65%)7437(Top 616%)
25K15.53 mi2.42 mi19919+2967666+1697666+16918516(Top 70%)6859(Top 60%)6859(Top 568%)
30K18.64 mi3.11 mi19614+3057497+1697497+16918352(Top 69%)6842(Top 60%)6842(Top 567%)
20M20.00 mi1.36 mi19448+1667420+777420+7717507(Top 66%)6460(Top 57%)6460(Top 535%)
21M21.00 mi1.00 mi19356+927376+447376+4418279(Top 69%)6916(Top 61%)6916(Top 573%)
35K21.75 mi0.75 mi19275+817331+457331+4516986(Top 64%)6280(Top 55%)6280(Top 520%)
23M23.00 mi1.25 mi19132+1437260+717260+7116661(Top 63%)6124(Top 54%)6124(Top 507%)
24M24.00 mi1.00 mi18996+1367196+647196+6415976(Top 60%)5804(Top 51%)5804(Top 481%)
40K24.85 mi0.85 mi18865+1317126+707126+7015604(Top 59%)5649(Top 49%)5649(Top 468%)
25.2M25.20 mi0.35 mi18819+467114+127114+1216268(Top 61%)6035(Top 53%)6035(Top 500%)
Finish26.22 mi1.02 mi18717+1027058+567058+5615294(Top 57%)5437(Top 48%)5437(Top 450%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19994

Females

7680

F50-54

7680

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

20011

Females

7705

F50-54

7705

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19994

Females

7680

F50-54

7680

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20799

Females

8111

F50-54

8111

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19609

Females

7437

F50-54

7437

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18516

Females

6859

F50-54

6859

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18352

Females

6842

F50-54

6842

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17507

Females

6460

F50-54

6460

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18279

Females

6916

F50-54

6916

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16986

Females

6280

F50-54

6280

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16661

Females

6124

F50-54

6124

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15976

Females

5804

F50-54

5804

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15604

Females

5649

F50-54

5649

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16268

Females

6035

F50-54

6035

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15294

Females

5437

F50-54

5437

Passing Analysis

Category:
Athletes Passed
2373
Passed By
901
Net Change
+1472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20189
5K → 10K379265+114#20189#20075
10K → 15K193159+34#20075#20041
15K → 20K110310-200#20041#20241
20K → Half4216+26#20241#20215
Half → 25K31115+296#20215#19919
25K → 30K34237+305#19919#19614
30K → 20M18115+166#19614#19448
20M → 21M12735+92#19448#19356
21M → 35K854+81#19356#19275
35K → 23M15916+143#19275#19132
23M → 24M1426+136#19132#18996
24M → 40K1354+131#18996#18865
40K → 25.2M515+46#18865#18819
25.2M → Finish11614+102#18819#18717
TOTALS2373901+1472
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing