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BOSTON MARATHON 2023

Catherine Wall

Bib: 24837•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:00/mi
27:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
54:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:20:51
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:47:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:53:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:46/mi
2:14:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:42:22
↑ 181↓ 1480.2%
20M
9:10/mi
2:54:49
↑ 64↓ 500.2%
21M
10:05/mi
3:04:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:11:30
↑ 17↓ 861.7%
23M
9:15/mi
3:23:05
↑ 23↓ 630.6%
24M
9:02/mi
3:32:07
↓ 821.3%
40K· 24.85 mi
9:11/mi
3:39:58
↓ 200.3%
25.2M
10:26/mi
3:43:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
3:52:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:25
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:59:12
Pace9:06 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4827:579:0027:57
9:00
-
10K
6.21 mi12:10:2954:388:4826:41
8:35
-0:25
15K
9.32 mi12:36:421:20:518:4026:13
8:26
-0:09
20K
12.43 mi13:03:311:47:408:4026:49
8:38
+0:12
Half
13.11 mi13:09:161:53:258:395:45
8:26
-0:12
25K
15.53 mi13:30:312:14:408:4021:15
8:46
+0:20
30K
18.64 mi13:58:132:42:228:4327:42
8:55
+0:09
20M
20.00 mi14:10:402:54:498:4412:27
9:10
+0:15
21M
21.00 mi14:20:453:04:548:4810:05
10:05
+0:55
35K
21.75 mi14:27:213:11:308:486:36
8:49
-1:16
23M
23.00 mi14:38:563:23:058:5011:35
9:15
+0:26
24M
24.00 mi14:47:583:32:078:509:02
9:02
-0:13
40K
24.85 mi14:55:493:39:588:517:51
9:11
+0:09
25.2M
25.20 mi14:59:253:43:348:523:36
10:26
+1:15
Finish
26.22 mi15:08:283:52:378:539:03
8:53
-1:33

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

8:26 /mi

Average Pace

8:53 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:28

37% of race

Time at Steady Pace

2:01:53

52% of race

Time at Slower Pace

25:16

11% of race

Average Pace: 8:52 /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 mi11:43:4827:579:0027:57
9:00
#20426
10K
6.21 mi12:10:2954:388:4826:41
8:35
#19634
15K
9.32 mi12:36:421:20:518:4026:13
8:26
#18901
20K
12.43 mi13:03:311:47:408:4026:49
8:38
#18604
Half
13.11 mi13:09:161:53:258:395:45
8:26
#18529
25K
15.53 mi13:30:312:14:408:4021:15
8:46
#18398
30K
18.64 mi13:58:132:42:228:4327:42
8:55
#18044
20M
20.00 mi14:10:402:54:498:4412:27
9:10
#17979
21M
21.00 mi14:20:453:04:548:4810:05
10:05
#17995
35K
21.75 mi14:27:213:11:308:486:36
8:49
#17979
23M
23.00 mi14:38:563:23:058:5011:35
9:15
#17947
24M
24.00 mi14:47:583:32:078:509:02
9:02
#17926
40K
24.85 mi14:55:493:39:588:517:51
9:11
#17894
25.2M
25.20 mi14:59:253:43:348:523:36
10:26
#17914
Finish
26.22 mi15:08:283:52:378:539:03
8:53
#17909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi204268066806617402(Top 65%)6161(Top 54%)6161(Top 328%)
10K6.21 mi3.10 mi19634+7927553+5137553+51318796(Top 71%)6957(Top 61%)6957(Top 370%)
15K9.32 mi3.11 mi18901+7337069+4847069+48417402(Top 65%)6161(Top 54%)6161(Top 328%)
20K12.43 mi3.11 mi18604+2976868+2016868+20117701(Top 66%)6346(Top 56%)6346(Top 338%)
Half13.11 mi0.68 mi18529+756821+476821+4717377(Top 65%)6123(Top 54%)6123(Top 326%)
25K15.53 mi2.42 mi18398+1316763+586763+5817763(Top 67%)6437(Top 56%)6437(Top 343%)
30K18.64 mi3.11 mi18044+3546594+1696594+16916751(Top 63%)5925(Top 52%)5925(Top 315%)
20M20.00 mi1.36 mi17979+656576+186576+1817381(Top 65%)6380(Top 56%)6380(Top 340%)
21M21.00 mi1.00 mi17995-166591-156591-1518330(Top 69%)6949(Top 61%)6949(Top 370%)
35K21.75 mi0.75 mi17979+166581+106581+1017096(Top 64%)6334(Top 55%)6334(Top 337%)
23M23.00 mi1.25 mi17947+326584-36584-317317(Top 65%)6460(Top 57%)6460(Top 344%)
24M24.00 mi1.00 mi17926+216579+56579+517394(Top 65%)6573(Top 58%)6573(Top 350%)
40K24.85 mi0.85 mi17894+326570+96570+917049(Top 64%)6434(Top 56%)6434(Top 343%)
25.2M25.20 mi0.35 mi17914-206586-166586-1618923(Top 71%)7464(Top 65%)7464(Top 397%)
Finish26.22 mi1.02 mi17909+56599-136599-1317437(Top 65%)6611(Top 58%)6611(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17402

Females

6161

F40-44

6161

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18796

Females

6957

F40-44

6957

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17402

Females

6161

F40-44

6161

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17701

Females

6346

F40-44

6346

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17377

Females

6123

F40-44

6123

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17763

Females

6437

F40-44

6437

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16751

Females

5925

F40-44

5925

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17381

Females

6380

F40-44

6380

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18330

Females

6949

F40-44

6949

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17096

Females

6334

F40-44

6334

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17317

Females

6460

F40-44

6460

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17394

Females

6573

F40-44

6573

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17049

Females

6434

F40-44

6434

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18923

Females

7464

F40-44

7464

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17437

Females

6611

F40-44

6611

Passing Analysis

Category:
Athletes Passed
3205
Passed By
688
Net Change
+2517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20426
5K → 10K87785+792#20426#19634
10K → 15K75320+733#19634#18901
15K → 20K34346+297#18901#18604
20K → Half794+75#18604#18529
Half → 25K19968+131#18529#18398
25K → 30K39541+354#18398#18044
30K → 20M11853+65#18044#17979
20M → 21M88104-16#17979#17995
21M → 35K4832+16#17995#17979
35K → 23M10573+32#17979#17947
23M → 24M5635+21#17947#17926
24M → 40K6836+32#17926#17894
40K → 25.2M1737-20#17894#17914
25.2M → Finish5954+5#17914#17909
TOTALS3205688+2517
📊

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