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BOSTON MARATHON 2023

Heather Pearce

Bib: 19040•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #16519
Start → 5K
25:57 | 8:21/mi
10K· 6.21 mi
51:50
Rank: #16790 (-271)
5K → 10K
25:53 | 8:20/mi
15K· 9.32 mi
1:17:20
Rank: #16490 (+300)
10K → 15K
25:30 | 8:12/mi
20K· 12.43 mi
1:42:37
Rank: #15964 (+526)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:48:10
Rank: #15918 (+46)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:07:51
Rank: #15546 (+372)
Half → 25K
19:41 | 8:07/mi
30K· 18.64 mi
2:33:39
Rank: #15088 (+458)
25K → 30K
25:48 | 8:18/mi
20M
2:45:08
Rank: #14943 (+145)
30K → 20M
11:29 | 8:27/mi
21M
2:54:10
Rank: #14852 (+91)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
3:00:16
Rank: #14763 (+89)
21M → 35K
6:06 | 8:09/mi
23M
3:10:55
Rank: #14675 (+88)
35K → 23M
10:39 | 8:30/mi
24M
3:19:17
Rank: #14602 (+73)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:26:29
Rank: #14525 (+77)
24M → 40K
7:12 | 8:25/mi
25.2M
3:29:40
Rank: #14497 (+28)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:38:25
Rank: #14538 (-41)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:10
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:50:15
Pace8:25 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4025:578:2125:57
8:21
-
10K
6.21 mi11:43:3351:508:2125:53
8:20
-0:01
15K
9.32 mi12:09:031:17:208:1825:30
8:12
-0:08
20K
12.43 mi12:34:201:42:378:1525:17
8:08
-0:04
Half
13.11 mi12:39:531:48:108:155:33
8:08
0:00
25K
15.53 mi12:59:342:07:518:1419:41
8:07
-0:01
30K
18.64 mi13:25:222:33:398:1525:48
8:18
+0:11
20M
20.00 mi13:36:512:45:088:1511:29
8:27
+0:09
21M
21.00 mi13:45:532:54:108:189:02
9:02
+0:35
35K
21.75 mi13:51:593:00:168:176:06
8:09
-0:53
23M
23.00 mi14:02:383:10:558:1810:39
8:30
+0:21
24M
24.00 mi14:11:003:19:178:188:22
8:22
-0:08
40K
24.85 mi14:18:123:26:298:187:12
8:25
+0:03
25.2M
25.20 mi14:21:233:29:408:193:11
9:14
+0:49
Finish
26.22 mi14:30:083:38:258:208:45
8:35
-0:39

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

8:07 /mi

Average Pace

8:20 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:12

94% of race

Time at Steady Pace

12:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:17:4025:578:2125:57
8:21
#16519
10K
6.21 mi11:43:3351:508:2125:53
8:20
#16790
15K
9.32 mi12:09:031:17:208:1825:30
8:12
#16490
20K
12.43 mi12:34:201:42:378:1525:17
8:08
#15964
Half
13.11 mi12:39:531:48:108:155:33
8:08
#15918
25K
15.53 mi12:59:342:07:518:1419:41
8:07
#15546
30K
18.64 mi13:25:222:33:398:1525:48
8:18
#15088
20M
20.00 mi13:36:512:45:088:1511:29
8:27
#14943
21M
21.00 mi13:45:532:54:108:189:02
9:02
#14852
35K
21.75 mi13:51:593:00:168:176:06
8:09
#14763
23M
23.00 mi14:02:383:10:558:1810:39
8:30
#14675
24M
24.00 mi14:11:003:19:178:188:22
8:22
#14602
40K
24.85 mi14:18:123:26:298:187:12
8:25
#14525
25.2M
25.20 mi14:21:233:29:408:193:11
9:14
#14497
Finish
26.22 mi14:30:083:38:258:208:45
8:35
#14538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi165195612561215917(Top 60%)5243(Top 46%)5243(Top 289%)
10K6.21 mi3.10 mi16790-2715769-1575769-15717130(Top 64%)5949(Top 52%)5949(Top 327%)
15K9.32 mi3.11 mi16490+3005585+1845585+18415917(Top 60%)5243(Top 46%)5243(Top 289%)
20K12.43 mi3.11 mi15964+5265284+3015284+30114520(Top 55%)4419(Top 39%)4419(Top 243%)
Half13.11 mi0.68 mi15918+465254+305254+3015367(Top 58%)4901(Top 43%)4901(Top 270%)
25K15.53 mi2.42 mi15546+3725059+1955059+19513644(Top 51%)4011(Top 35%)4011(Top 221%)
30K18.64 mi3.11 mi15088+4584812+2474812+24713070(Top 49%)3799(Top 33%)3799(Top 209%)
20M20.00 mi1.36 mi14943+1454734+784734+7813362(Top 50%)4053(Top 35%)4053(Top 223%)
21M21.00 mi1.00 mi14852+914697+374697+3713624(Top 51%)4280(Top 37%)4280(Top 236%)
35K21.75 mi0.75 mi14763+894660+374660+3713203(Top 50%)4124(Top 36%)4124(Top 227%)
23M23.00 mi1.25 mi14675+884634+264634+2613301(Top 50%)4243(Top 37%)4243(Top 234%)
24M24.00 mi1.00 mi14602+734617+174617+1713673(Top 51%)4492(Top 39%)4492(Top 247%)
40K24.85 mi0.85 mi14525+774592+254592+2512877(Top 48%)4150(Top 36%)4150(Top 228%)
25.2M25.20 mi0.35 mi14497+284587+54587+513864(Top 52%)4675(Top 41%)4675(Top 257%)
Finish26.22 mi1.02 mi14538-414622-354622-3515927(Top 60%)5762(Top 50%)5762(Top 317%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15917

Females

5243

F45-49

5243

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17130

Females

5949

F45-49

5949

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15917

Females

5243

F45-49

5243

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14520

Females

4419

F45-49

4419

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15367

Females

4901

F45-49

4901

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13644

Females

4011

F45-49

4011

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13070

Females

3799

F45-49

3799

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13362

Females

4053

F45-49

4053

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13624

Females

4280

F45-49

4280

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13203

Females

4124

F45-49

4124

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13301

Females

4243

F45-49

4243

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13673

Females

4492

F45-49

4492

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12877

Females

4150

F45-49

4150

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13864

Females

4675

F45-49

4675

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15927

Females

5762

F45-49

5762

Passing Analysis

Category:
Athletes Passed
2855
Passed By
874
Net Change
+1981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16519
5K → 10K195466-271#16519#16790
10K → 15K39090+300#16790#16490
15K → 20K54014+526#16490#15964
20K → Half6014+46#15964#15918
Half → 25K3808+372#15918#15546
25K → 30K47517+458#15546#15088
30K → 20M16116+145#15088#14943
20M → 21M12938+91#14943#14852
21M → 35K978+89#14852#14763
35K → 23M12941+88#14763#14675
23M → 24M11239+73#14675#14602
24M → 40K9720+77#14602#14525
40K → 25.2M4214+28#14525#14497
25.2M → Finish4889-41#14497#14538
TOTALS2855874+1981
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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