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BOSTON MARATHON 2023

Amy Claus

Bib: 20186•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F45-49)
#0 / 1817
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:22
Rank: #15200
Start → 5K
25:22 | 8:10/mi
10K· 6.21 mi
49:50
Rank: #14530 (+670)
5K → 10K
24:28 | 7:53/mi
15K· 9.32 mi
1:14:14
Rank: #14099 (+431)
10K → 15K
24:24 | 7:51/mi
20K· 12.43 mi
1:39:12
Rank: #13960 (+139)
15K → 20K
24:58 | 8:02/mi
Half· 13.11 mi
1:44:44
Rank: #14030 (-70)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:04:47
Rank: #14133 (-103)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:32:22
Rank: #14623 (-490)
25K → 30K
27:35 | 8:53/mi
20M
2:44:38
Rank: #14792 (-169)
30K → 20M
12:16 | 9:02/mi
21M
2:54:18
Rank: #14896 (-104)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:01:13
Rank: #15067 (-171)
21M → 35K
6:55 | 9:15/mi
23M
3:12:56
Rank: #15211 (-144)
35K → 23M
11:43 | 9:21/mi
24M
3:21:48
Rank: #15271 (-60)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:29:29
Rank: #15318 (-47)
24M → 40K
7:41 | 8:59/mi
25.2M
3:32:59
Rank: #15355 (-37)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:42:30
Rank: #15565 (-210)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:44
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:57:46
Pace8:59 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5225:228:1025:22
8:10
-
10K
6.21 mi11:42:2049:508:0124:28
7:53
-0:17
15K
9.32 mi12:06:441:14:147:5824:24
7:51
-0:02
20K
12.43 mi12:31:421:39:127:5924:58
8:02
+0:11
Half
13.11 mi12:37:141:44:447:595:32
8:07
+0:05
25K
15.53 mi12:57:172:04:478:0220:03
8:16
+0:09
30K
18.64 mi13:24:522:32:228:1027:35
8:53
+0:37
20M
20.00 mi13:37:082:44:388:1412:16
9:02
+0:09
21M
21.00 mi13:46:482:54:188:189:40
9:40
+0:38
35K
21.75 mi13:53:433:01:138:206:55
9:15
-0:25
23M
23.00 mi14:05:263:12:568:2311:43
9:21
+0:06
24M
24.00 mi14:14:183:21:488:258:52
8:52
-0:29
40K
24.85 mi14:21:593:29:298:267:41
8:59
+0:07
25.2M
25.20 mi14:25:293:32:598:273:30
10:09
+1:10
Finish
26.22 mi14:35:003:42:308:309:31
9:20
-0:49

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

7:51 /mi

Average Pace

8:30 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:47

56% of race

Time at Steady Pace

56:24

25% of race

Time at Slower Pace

41:19

19% of race

Average Pace: 8:29 /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 mi11:17:5225:228:1025:22
8:10
#15200
10K
6.21 mi11:42:2049:508:0124:28
7:53
#14530
15K
9.32 mi12:06:441:14:147:5824:24
7:51
#14099
20K
12.43 mi12:31:421:39:127:5924:58
8:02
#13960
Half
13.11 mi12:37:141:44:447:595:32
8:07
#14030
25K
15.53 mi12:57:172:04:478:0220:03
8:16
#14133
30K
18.64 mi13:24:522:32:228:1027:35
8:53
#14623
20M
20.00 mi13:37:082:44:388:1412:16
9:02
#14792
21M
21.00 mi13:46:482:54:188:189:40
9:40
#14896
35K
21.75 mi13:53:433:01:138:206:55
9:15
#15067
23M
23.00 mi14:05:263:12:568:2311:43
9:21
#15211
24M
24.00 mi14:14:183:21:488:258:52
8:52
#15271
40K
24.85 mi14:21:593:29:298:267:41
8:59
#15318
25.2M
25.20 mi14:25:293:32:598:273:30
10:09
#15355
Finish
26.22 mi14:35:003:42:308:309:31
9:20
#15565
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi152004772477213163(Top 49%)3584(Top 31%)3584(Top 197%)
10K6.21 mi3.10 mi14530+6704361+4114361+41113792(Top 52%)3922(Top 34%)3922(Top 216%)
15K9.32 mi3.11 mi14099+4314119+2424119+24213163(Top 49%)3584(Top 31%)3584(Top 197%)
20K12.43 mi3.11 mi13960+1394062+574062+5713744(Top 52%)3964(Top 35%)3964(Top 218%)
Half13.11 mi0.68 mi14030-704104-424104-4215266(Top 57%)4851(Top 42%)4851(Top 267%)
25K15.53 mi2.42 mi14133-1034189-854189-8514753(Top 55%)4682(Top 41%)4682(Top 258%)
30K18.64 mi3.11 mi14623-4904512-3234512-32316538(Top 62%)5809(Top 51%)5809(Top 320%)
20M20.00 mi1.36 mi14792-1694634-1224634-12216689(Top 63%)5962(Top 52%)5962(Top 328%)
21M21.00 mi1.00 mi14896-1044728-944728-9416719(Top 63%)6022(Top 53%)6022(Top 331%)
35K21.75 mi0.75 mi15067-1714858-1304858-13018931(Top 71%)7344(Top 64%)7344(Top 404%)
23M23.00 mi1.25 mi15211-1444973-1154973-11517760(Top 67%)6721(Top 59%)6721(Top 370%)
24M24.00 mi1.00 mi15271-605026-535026-5316597(Top 62%)6127(Top 54%)6127(Top 337%)
40K24.85 mi0.85 mi15318-475072-465072-4616083(Top 60%)5903(Top 52%)5903(Top 325%)
25.2M25.20 mi0.35 mi15355-375110-385110-3817961(Top 67%)6932(Top 61%)6932(Top 382%)
Finish26.22 mi1.02 mi15565-2105243-1335243-13319526(Top 73%)7737(Top 68%)7737(Top 426%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13163

Females

3584

F45-49

3584

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13792

Females

3922

F45-49

3922

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13163

Females

3584

F45-49

3584

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13744

Females

3964

F45-49

3964

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15266

Females

4851

F45-49

4851

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14753

Females

4682

F45-49

4682

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16538

Females

5809

F45-49

5809

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16689

Females

5962

F45-49

5962

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16719

Females

6022

F45-49

6022

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18931

Females

7344

F45-49

7344

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17760

Females

6721

F45-49

6721

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16597

Females

6127

F45-49

6127

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16083

Females

5903

F45-49

5903

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17961

Females

6932

F45-49

6932

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19526

Females

7737

F45-49

7737

Passing Analysis

Category:
Athletes Passed
1962
Passed By
2327
Net Change
-365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15200
5K → 10K75282+670#15200#14530
10K → 15K48251+431#14530#14099
15K → 20K245106+139#14099#13960
20K → Half1585-70#13960#14030
Half → 25K104207-103#14030#14133
25K → 30K68558-490#14133#14623
30K → 20M38207-169#14623#14792
20M → 21M53157-104#14792#14896
21M → 35K19190-171#14896#15067
35K → 23M43187-144#15067#15211
23M → 24M54114-60#15211#15271
24M → 40K4592-47#15271#15318
40K → 25.2M1956-37#15318#15355
25.2M → Finish25235-210#15355#15565
TOTALS19622327-365
📊

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