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BOSTON MARATHON 2023

Claudia Sanchez

Bib: 21756•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #15731
Start → 5K
25:36 | 8:14/mi
10K· 6.21 mi
50:54
Rank: #15762 (-31)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:16:17
Rank: #15708 (+54)
10K → 15K
25:23 | 8:10/mi
20K· 12.43 mi
1:42:04
Rank: #15661 (+47)
15K → 20K
25:47 | 8:18/mi
Half· 13.11 mi
1:47:40
Rank: #15675 (-14)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:08:03
Rank: #15639 (+36)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:34:32
Rank: #15399 (+240)
25K → 30K
26:29 | 8:31/mi
20M
2:46:07
Rank: #15272 (+127)
30K → 20M
11:35 | 8:31/mi
21M
2:55:07
Rank: #15135 (+137)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
3:01:11
Rank: #15052 (+83)
21M → 35K
6:04 | 8:07/mi
23M
3:11:49
Rank: #14928 (+124)
35K → 23M
10:38 | 8:30/mi
24M
3:20:07
Rank: #14827 (+101)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:27:18
Rank: #14714 (+113)
24M → 40K
7:11 | 8:24/mi
25.2M
3:30:25
Rank: #14675 (+39)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:38:48
Rank: #14635 (+40)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:40
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:51:08
Pace8:29 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4725:368:1425:36
8:14
-
10K
6.21 mi11:44:0550:548:1125:18
8:09
-0:05
15K
9.32 mi12:09:281:16:178:1125:23
8:10
+0:01
20K
12.43 mi12:35:151:42:048:1325:47
8:18
+0:08
Half
13.11 mi12:40:511:47:408:135:36
8:12
-0:06
25K
15.53 mi13:01:142:08:038:1520:23
8:24
+0:12
30K
18.64 mi13:27:432:34:328:1726:29
8:31
+0:07
20M
20.00 mi13:39:182:46:078:1811:35
8:31
0:00
21M
21.00 mi13:48:182:55:078:209:00
9:00
+0:29
35K
21.75 mi13:54:223:01:118:206:04
8:07
-0:53
23M
23.00 mi14:05:003:11:498:2010:38
8:30
+0:23
24M
24.00 mi14:13:183:20:078:208:18
8:18
-0:12
40K
24.85 mi14:20:293:27:188:207:11
8:24
+0:06
25.2M
25.20 mi14:23:363:30:258:213:07
9:02
+0:38
Finish
26.22 mi14:31:593:38:488:218:23
8:14
-0:48

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

8:21 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:41

94% of race

Time at Steady Pace

12:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:18:4725:368:1425:36
8:14
#15731
10K
6.21 mi11:44:0550:548:1125:18
8:09
#15762
15K
9.32 mi12:09:281:16:178:1125:23
8:10
#15708
20K
12.43 mi12:35:151:42:048:1325:47
8:18
#15661
Half
13.11 mi12:40:511:47:408:135:36
8:12
#15675
25K
15.53 mi13:01:142:08:038:1520:23
8:24
#15639
30K
18.64 mi13:27:432:34:328:1726:29
8:31
#15399
20M
20.00 mi13:39:182:46:078:1811:35
8:31
#15272
21M
21.00 mi13:48:182:55:078:209:00
9:00
#15135
35K
21.75 mi13:54:223:01:118:206:04
8:07
#15052
23M
23.00 mi14:05:003:11:498:2010:38
8:30
#14928
24M
24.00 mi14:13:183:20:078:208:18
8:18
#14827
40K
24.85 mi14:20:293:27:188:207:11
8:24
#14714
25.2M
25.20 mi14:23:363:30:258:213:07
9:02
#14675
Finish
26.22 mi14:31:593:38:488:218:23
8:14
#14635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi157315111511115657(Top 59%)5083(Top 44%)5083(Top 280%)
10K6.21 mi3.10 mi15762-315134-235134-2315855(Top 60%)5178(Top 45%)5178(Top 285%)
15K9.32 mi3.11 mi15708+545101+335101+3315657(Top 59%)5083(Top 44%)5083(Top 280%)
20K12.43 mi3.11 mi15661+475093+85093+815601(Top 59%)5093(Top 45%)5093(Top 280%)
Half13.11 mi0.68 mi15675-145106-135106-1315877(Top 60%)5209(Top 46%)5209(Top 287%)
25K15.53 mi2.42 mi15639+365111-55111-515626(Top 59%)5216(Top 46%)5216(Top 287%)
30K18.64 mi3.11 mi15399+2405018+935018+9314481(Top 54%)4614(Top 40%)4614(Top 254%)
20M20.00 mi1.36 mi15272+1274954+644954+6413793(Top 52%)4292(Top 38%)4292(Top 236%)
21M21.00 mi1.00 mi15135+1374885+694885+6913443(Top 50%)4188(Top 37%)4188(Top 230%)
35K21.75 mi0.75 mi15052+834845+404845+4012915(Top 49%)3968(Top 35%)3968(Top 218%)
23M23.00 mi1.25 mi14928+1244790+554790+5513201(Top 50%)4186(Top 37%)4186(Top 230%)
24M24.00 mi1.00 mi14827+1014747+434747+4313276(Top 50%)4272(Top 37%)4272(Top 235%)
40K24.85 mi0.85 mi14714+1134708+394708+3912753(Top 48%)4091(Top 36%)4091(Top 225%)
25.2M25.20 mi0.35 mi14675+394696+124696+1212818(Top 48%)4151(Top 36%)4151(Top 228%)
Finish26.22 mi1.02 mi14635+404687+94687+913644(Top 51%)4550(Top 40%)4550(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15657

Females

5083

F45-49

5083

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15855

Females

5178

F45-49

5178

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15657

Females

5083

F45-49

5083

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

15601

Females

5093

F45-49

5093

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15877

Females

5209

F45-49

5209

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15626

Females

5216

F45-49

5216

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14481

Females

4614

F45-49

4614

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13793

Females

4292

F45-49

4292

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13443

Females

4188

F45-49

4188

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12915

Females

3968

F45-49

3968

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13201

Females

4186

F45-49

4186

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13276

Females

4272

F45-49

4272

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12753

Females

4091

F45-49

4091

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12818

Females

4151

F45-49

4151

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13644

Females

4550

F45-49

4550

Passing Analysis

Category:
Athletes Passed
2090
Passed By
994
Net Change
+1096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15731
5K → 10K276307-31#15731#15762
10K → 15K211157+54#15762#15708
15K → 20K206159+47#15708#15661
20K → Half2236-14#15661#15675
Half → 25K151115+36#15675#15639
25K → 30K30666+240#15639#15399
30K → 20M15427+127#15399#15272
20M → 21M15821+137#15272#15135
21M → 35K9613+83#15135#15052
35K → 23M13915+124#15052#14928
23M → 24M11918+101#14928#14827
24M → 40K12512+113#14827#14714
40K → 25.2M445+39#14714#14675
25.2M → Finish8343+40#14675#14635
TOTALS2090994+1096
📊

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