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BOSTON MARATHON 2023

Cathy Pearce

Bib: 23977•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #16338
Start → 5K
25:52 | 8:20/mi
10K· 6.21 mi
52:30
Rank: #17549 (-1211)
5K → 10K
26:38 | 8:34/mi
15K· 9.32 mi
1:19:57
Rank: #18353 (-804)
10K → 15K
27:27 | 8:50/mi
20K· 12.43 mi
1:48:15
Rank: #18851 (-498)
15K → 20K
28:18 | 9:07/mi
Half· 13.11 mi
1:54:24
Rank: #18954 (-103)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:17:04
Rank: #19223 (-269)
Half → 25K
22:40 | 9:21/mi
30K· 18.64 mi
2:46:36
Rank: #19300 (-77)
25K → 30K
29:32 | 9:30/mi
20M
2:59:56
Rank: #19352 (-52)
30K → 20M
13:20 | 9:49/mi
21M
3:10:23
Rank: #19353 (-1)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:17:19
Rank: #19340 (+13)
21M → 35K
6:56 | 9:16/mi
23M
3:29:39
Rank: #19376 (-36)
35K → 23M
12:20 | 9:51/mi
24M
3:39:06
Rank: #19360 (+16)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:47:39
Rank: #19425 (-65)
24M → 40K
8:33 | 10:00/mi
25.2M
3:51:23
Rank: #19443 (-18)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:01:08
Rank: #19495 (-52)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:06:44
Pace9:40 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0225:528:2025:52
8:20
-
10K
6.21 mi11:48:4052:308:2726:38
8:34
+0:14
15K
9.32 mi12:16:071:19:578:3527:27
8:50
+0:16
20K
12.43 mi12:44:251:48:158:4328:18
9:07
+0:17
Half
13.11 mi12:50:341:54:248:446:09
9:01
-0:06
25K
15.53 mi13:13:142:17:048:4922:40
9:21
+0:20
30K
18.64 mi13:42:462:46:368:5629:32
9:30
+0:09
20M
20.00 mi13:56:062:59:569:0013:20
9:49
+0:19
21M
21.00 mi14:06:333:10:239:0410:27
10:27
+0:38
35K
21.75 mi14:13:293:17:199:046:56
9:16
-1:11
23M
23.00 mi14:25:493:29:399:0712:20
9:51
+0:35
24M
24.00 mi14:35:163:39:069:089:27
9:27
-0:24
40K
24.85 mi14:43:493:47:399:108:33
10:00
+0:33
25.2M
25.20 mi14:47:333:51:239:113:44
10:50
+0:50
Finish
26.22 mi14:57:184:01:089:129:45
9:34
-1:16

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

8:20 /mi

Average Pace

9:12 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:24

47% of race

Time at Steady Pace

1:18:20

32% of race

Time at Slower Pace

48:24

20% of race

Average Pace: 9:12 /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 mi11:22:0225:528:2025:52
8:20
#16338
10K
6.21 mi11:48:4052:308:2726:38
8:34
#17549
15K
9.32 mi12:16:071:19:578:3527:27
8:50
#18353
20K
12.43 mi12:44:251:48:158:4328:18
9:07
#18851
Half
13.11 mi12:50:341:54:248:446:09
9:01
#18954
25K
15.53 mi13:13:142:17:048:4922:40
9:21
#19223
30K
18.64 mi13:42:462:46:368:5629:32
9:30
#19300
20M
20.00 mi13:56:062:59:569:0013:20
9:49
#19352
21M
21.00 mi14:06:333:10:239:0410:27
10:27
#19353
35K
21.75 mi14:13:293:17:199:046:56
9:16
#19340
23M
23.00 mi14:25:493:29:399:0712:20
9:51
#19376
24M
24.00 mi14:35:163:39:069:089:27
9:27
#19360
40K
24.85 mi14:43:493:47:399:108:33
10:00
#19425
25.2M
25.20 mi14:47:333:51:239:113:44
10:50
#19443
Finish
26.22 mi14:57:184:01:089:129:45
9:34
#19495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi163385494549419711(Top 74%)7510(Top 66%)7510(Top 1425%)
10K6.21 mi3.10 mi17549-12116255-7616255-76118689(Top 70%)6894(Top 60%)6894(Top 1308%)
15K9.32 mi3.11 mi18353-8046721-4666721-46619711(Top 74%)7510(Top 66%)7510(Top 1425%)
20K12.43 mi3.11 mi18851-4987027-3067027-30620182(Top 76%)7767(Top 68%)7767(Top 1474%)
Half13.11 mi0.68 mi18954-1037095-687095-6820512(Top 77%)7967(Top 70%)7967(Top 1512%)
25K15.53 mi2.42 mi19223-2697252-1577252-15720352(Top 76%)7901(Top 69%)7901(Top 1499%)
30K18.64 mi3.11 mi19300-777316-647316-6419464(Top 73%)7449(Top 65%)7449(Top 1413%)
20M20.00 mi1.36 mi19352-527356-407356-4019898(Top 75%)7793(Top 68%)7793(Top 1479%)
21M21.00 mi1.00 mi19353-17374-187374-1819446(Top 73%)7609(Top 67%)7609(Top 1444%)
35K21.75 mi0.75 mi19340+137373+17373+119043(Top 72%)7413(Top 65%)7413(Top 1407%)
23M23.00 mi1.25 mi19376-367393-207393-2019574(Top 74%)7726(Top 68%)7726(Top 1466%)
24M24.00 mi1.00 mi19360+167390+37390+319060(Top 72%)7480(Top 65%)7480(Top 1419%)
40K24.85 mi0.85 mi19425-657448-587448-5819973(Top 75%)8049(Top 70%)8049(Top 1527%)
25.2M25.20 mi0.35 mi19443-187461-137461-1320058(Top 75%)8089(Top 71%)8089(Top 1535%)
Finish26.22 mi1.02 mi19495-527498-377498-3720365(Top 76%)8222(Top 72%)8222(Top 1560%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19711

Females

7510

F60-64

7510

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18689

Females

6894

F60-64

6894

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19711

Females

7510

F60-64

7510

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20182

Females

7767

F60-64

7767

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20512

Females

7967

F60-64

7967

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20352

Females

7901

F60-64

7901

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19464

Females

7449

F60-64

7449

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19898

Females

7793

F60-64

7793

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19446

Females

7609

F60-64

7609

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19043

Females

7413

F60-64

7413

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19574

Females

7726

F60-64

7726

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19060

Females

7480

F60-64

7480

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19973

Females

8049

F60-64

8049

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20058

Females

8089

F60-64

8089

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20365

Females

8222

F60-64

8222

Passing Analysis

Category:
Athletes Passed
736
Passed By
3893
Net Change
-3157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16338
5K → 10K431254-1211#16338#17549
10K → 15K36840-804#17549#18353
15K → 20K50548-498#18353#18851
20K → Half5108-103#18851#18954
Half → 25K62331-269#18954#19223
25K → 30K139216-77#19223#19300
30K → 20M67119-52#19300#19352
20M → 21M8687-1#19352#19353
21M → 35K4027+13#19353#19340
35K → 23M6399-36#19340#19376
23M → 24M6246+16#19376#19360
24M → 40K3499-65#19360#19425
40K → 25.2M1836-18#19425#19443
25.2M → Finish3183-52#19443#19495
TOTALS7363893-3157
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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