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BOSTON MARATHON 2023

Donna Pierson

Bib: 24507•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F70-74)
#0 / 62
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:50
Rank: #21476
Start → 5K
9:17/mi
28:50 split
10K· 6.21 mi
58:01
Rank: #21852 (-376)
5K → 10K
9:24/mi
29:11 split
15K· 9.32 mi
1:27:55
Rank: #22090 (-238)
10K → 15K
9:37/mi
29:54 split
20K· 12.43 mi
1:58:23
Rank: #22199 (-109)
15K → 20K
9:48/mi
30:28 split
Half· 13.11 mi
2:05:02
Rank: #22215 (-16)
20K → Half
9:45/mi
6:39 split
25K· 15.53 mi
2:29:32
Rank: #22283 (-68)
Half → 25K
10:06/mi
24:30 split
30K· 18.64 mi
3:02:24
Rank: #22311 (-28)
25K → 30K
10:35/mi
32:52 split
20M
3:17:41
Rank: #22372 (-61)
30K → 20M
11:15/mi
15:17 split
21M
3:30:28
Rank: #22483 (-111)
20M → 21M
12:47/mi
12:47 split
35K· 21.75 mi
3:38:48
Rank: #22515 (-32)
21M → 35K
11:08/mi
8:20 split
23M
3:54:08
Rank: #22658 (-143)
35K → 23M
12:15/mi
15:20 split
24M
4:06:06
Rank: #22768 (-110)
23M → 24M
11:58/mi
11:58 split
40K· 24.85 mi
4:16:49
Rank: #22852 (-84)
24M → 40K
12:32/mi
10:43 split
25.2M
4:21:40
Rank: #22907 (-55)
40K → 25.2M
14:04/mi
4:51 split
Finish· 26.22 mi
4:35:19
Rank: #23152 (-245)
25.2M → Finish
13:24/mi
13:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:02
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:30:17
Pace11:28 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5328:509:1728:50
9:17
-
10K
6.21 mi12:13:0458:019:2029:11
9:24
+0:07
15K
9.32 mi12:42:581:27:559:2629:54
9:37
+0:13
20K
12.43 mi13:13:261:58:239:3230:28
9:48
+0:11
Half
13.11 mi13:20:052:05:029:326:39
9:45
-0:03
25K
15.53 mi13:44:352:29:329:3824:30
10:06
+0:21
30K
18.64 mi14:17:273:02:249:4732:52
10:35
+0:29
20M
20.00 mi14:32:443:17:419:5315:17
11:15
+0:40
21M
21.00 mi14:45:313:30:2810:0112:47
12:47
+1:32
35K
21.75 mi14:53:513:38:4810:048:20
11:08
-1:39
23M
23.00 mi15:09:113:54:0810:1115:20
12:15
+1:07
24M
24.00 mi15:21:094:06:0610:1511:58
11:58
-0:17
40K
24.85 mi15:31:524:16:4910:2010:43
12:32
+0:34
25.2M
25.20 mi15:36:434:21:4010:234:51
14:04
+1:32
Finish
26.22 mi15:50:224:35:1910:3013:39
13:24
-0:40

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

9:17 /mi

Average Pace

10:30 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:32

54% of race

Time at Steady Pace

56:29

21% of race

Time at Slower Pace

1:09:18

25% of race

Average Pace: 10:30 /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 mi11:43:5328:509:1728:50
9:17
#21476
10K
6.21 mi12:13:0458:019:2029:11
9:24
#21852
15K
9.32 mi12:42:581:27:559:2629:54
9:37
#22090
20K
12.43 mi13:13:261:58:239:3230:28
9:48
#22199
Half
13.11 mi13:20:052:05:029:326:39
9:45
#22215
25K
15.53 mi13:44:352:29:329:3824:30
10:06
#22283
30K
18.64 mi14:17:273:02:249:4732:52
10:35
#22311
20M
20.00 mi14:32:443:17:419:5315:17
11:15
#22372
21M
21.00 mi14:45:313:30:2810:0112:47
12:47
#22483
35K
21.75 mi14:53:513:38:4810:048:20
11:08
#22515
23M
23.00 mi15:09:113:54:0810:1115:20
12:15
#22658
24M
24.00 mi15:21:094:06:0610:1511:58
11:58
#22768
40K
24.85 mi15:31:524:16:4910:2010:43
12:32
#22852
25.2M
25.20 mi15:36:434:21:4010:234:51
14:04
#22907
Finish
26.22 mi15:50:224:35:1910:3013:39
13:24
#23152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi214768624862422591(Top 85%)9126(Top 80%)9126(Top 14719%)
10K6.21 mi3.10 mi21852-3768771-1478771-14722203(Top 83%)8926(Top 78%)8926(Top 14397%)
15K9.32 mi3.11 mi22090-2388890-1198890-11922591(Top 85%)9126(Top 80%)9126(Top 14719%)
20K12.43 mi3.11 mi22199-1098935-458935-4522431(Top 84%)9043(Top 79%)9043(Top 14585%)
Half13.11 mi0.68 mi22215-168947-128947-1222780(Top 86%)9235(Top 81%)9235(Top 14895%)
25K15.53 mi2.42 mi22283-688996-498996-4922448(Top 84%)9086(Top 80%)9086(Top 14655%)
30K18.64 mi3.11 mi22311-289012-169012-1622371(Top 84%)9112(Top 80%)9112(Top 14697%)
20M20.00 mi1.36 mi22372-619054-429054-4223099(Top 87%)9566(Top 84%)9566(Top 15429%)
21M21.00 mi1.00 mi22483-1119135-819135-8123820(Top 89%)9991(Top 87%)9991(Top 16115%)
35K21.75 mi0.75 mi22515-329150-159150-1523549(Top 88%)9901(Top 87%)9901(Top 15969%)
23M23.00 mi1.25 mi22658-1439241-919241-9124302(Top 91%)10286(Top 90%)10286(Top 16590%)
24M24.00 mi1.00 mi22768-1109313-729313-7224492(Top 92%)10422(Top 91%)10422(Top 16810%)
40K24.85 mi0.85 mi22852-849363-509363-5024486(Top 92%)10427(Top 91%)10427(Top 16818%)
25.2M25.20 mi0.35 mi22907-559396-339396-3325056(Top 94%)10724(Top 94%)10724(Top 17297%)
Finish26.22 mi1.02 mi23152-2459527-1319527-13126153(Top 98%)11246(Top 98%)11246(Top 18139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22591

Females

9126

F70-74

9126

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22203

Females

8926

F70-74

8926

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22591

Females

9126

F70-74

9126

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22431

Females

9043

F70-74

9043

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22780

Females

9235

F70-74

9235

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22448

Females

9086

F70-74

9086

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22371

Females

9112

F70-74

9112

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23099

Females

9566

F70-74

9566

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23820

Females

9991

F70-74

9991

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23549

Females

9901

F70-74

9901

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24302

Females

10286

F70-74

10286

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24492

Females

10422

F70-74

10422

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24486

Females

10427

F70-74

10427

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25056

Females

10724

F70-74

10724

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26153

Females

11246

F70-74

11246

Passing Analysis

Category:
Athletes Passed
667
Passed By
2343
Net Change
-1676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21476
5K → 10K127503-376#21476#21852
10K → 15K88326-238#21852#22090
15K → 20K96205-109#22090#22199
20K → Half1632-16#22199#22215
Half → 25K80148-68#22215#22283
25K → 30K111139-28#22283#22311
30K → 20M3596-61#22311#22372
20M → 21M28139-111#22372#22483
21M → 35K2456-32#22483#22515
35K → 23M26169-143#22515#22658
23M → 24M15125-110#22658#22768
24M → 40K1094-84#22768#22852
40K → 25.2M459-55#22852#22907
25.2M → Finish7252-245#22907#23152
TOTALS6672343-1676
📊

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