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BOSTON MARATHON 2023

Pam Sanchez

Bib: 22439•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:35/mi
26:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
53:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:20:08
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:47:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:53:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:14:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:42:52
↑ 181↓ 1480.2%
20M
9:12/mi
2:55:22
↑ 64↓ 500.2%
21M
9:57/mi
3:05:19
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:12:03
↑ 17↓ 861.7%
23M
9:25/mi
3:23:50
↑ 23↓ 630.6%
24M
9:11/mi
3:33:01
↓ 821.3%
40K· 24.85 mi
9:24/mi
3:41:03
↓ 200.3%
25.2M
10:18/mi
3:44:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
3:54:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:00:38
Pace9:12 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3226:418:3526:41
8:35
-
10K
6.21 mi11:49:2253:318:3726:50
8:38
+0:03
15K
9.32 mi12:15:591:20:088:3626:37
8:34
-0:04
20K
12.43 mi12:43:171:47:268:3927:18
8:47
+0:13
Half
13.11 mi12:49:141:53:238:395:57
8:43
-0:04
25K
15.53 mi13:10:212:14:308:3921:07
8:43
0:00
30K
18.64 mi13:38:432:42:528:4428:22
9:08
+0:25
20M
20.00 mi13:51:132:55:228:4612:30
9:12
+0:04
21M
21.00 mi14:01:103:05:198:499:57
9:57
+0:45
35K
21.75 mi14:07:543:12:038:506:44
9:00
-0:57
23M
23.00 mi14:19:413:23:508:5211:47
9:25
+0:25
24M
24.00 mi14:28:523:33:018:539:11
9:11
-0:14
40K
24.85 mi14:36:543:41:038:548:02
9:24
+0:13
25.2M
25.20 mi14:40:273:44:368:553:33
10:18
+0:54
Finish
26.22 mi14:49:523:54:018:569:25
9:14
-1:04

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

8:34 /mi

Average Pace

8:56 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:30

57% of race

Time at Steady Pace

1:06:12

28% of race

Time at Slower Pace

33:19

14% of race

Average Pace: 8:56 /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 mi11:22:3226:418:3526:41
8:35
#18169
10K
6.21 mi11:49:2253:318:3726:50
8:38
#18595
15K
9.32 mi12:15:591:20:088:3626:37
8:34
#18474
20K
12.43 mi12:43:171:47:268:3927:18
8:47
#18489
Half
13.11 mi12:49:141:53:238:395:57
8:43
#18510
25K
15.53 mi13:10:212:14:308:3921:07
8:43
#18328
30K
18.64 mi13:38:432:42:528:4428:22
9:08
#18197
20M
20.00 mi13:51:132:55:228:4612:30
9:12
#18146
21M
21.00 mi14:01:103:05:198:499:57
9:57
#18112
35K
21.75 mi14:07:543:12:038:506:44
9:00
#18115
23M
23.00 mi14:19:413:23:508:5211:47
9:25
#18113
24M
24.00 mi14:28:523:33:018:539:11
9:11
#18130
40K
24.85 mi14:36:543:41:038:548:02
9:24
#18119
25.2M
25.20 mi14:40:273:44:368:553:33
10:18
#18137
Finish
26.22 mi14:49:523:54:018:569:25
9:14
#18170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi181696664666418251(Top 69%)6645(Top 58%)6645(Top 366%)
10K6.21 mi3.10 mi18595-4266880-2166880-21619062(Top 72%)7118(Top 62%)7118(Top 392%)
15K9.32 mi3.11 mi18474+1216798+826798+8218251(Top 69%)6645(Top 58%)6645(Top 366%)
20K12.43 mi3.11 mi18489-156794+46794+418603(Top 70%)6852(Top 60%)6852(Top 377%)
Half13.11 mi0.68 mi18510-216806-126806-1219085(Top 72%)7127(Top 62%)7127(Top 392%)
25K15.53 mi2.42 mi18328+1826723+836723+8317440(Top 66%)6251(Top 55%)6251(Top 344%)
30K18.64 mi3.11 mi18197+1316688+356688+3517845(Top 67%)6554(Top 57%)6554(Top 361%)
20M20.00 mi1.36 mi18146+516666+226666+2217563(Top 66%)6491(Top 57%)6491(Top 357%)
21M21.00 mi1.00 mi18112+346663+36663+317878(Top 67%)6686(Top 59%)6686(Top 368%)
35K21.75 mi0.75 mi18115-36669-66669-617930(Top 67%)6798(Top 60%)6798(Top 374%)
23M23.00 mi1.25 mi18113+26679-106679-1017986(Top 68%)6858(Top 60%)6858(Top 377%)
24M24.00 mi1.00 mi18130-176707-286707-2818012(Top 68%)6907(Top 60%)6907(Top 380%)
40K24.85 mi0.85 mi18119+116708-16708-117950(Top 67%)6922(Top 61%)6922(Top 381%)
25.2M25.20 mi0.35 mi18137-186723-156723-1518479(Top 69%)7212(Top 63%)7212(Top 397%)
Finish26.22 mi1.02 mi18170-336751-286751-2819127(Top 72%)7504(Top 66%)7504(Top 413%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18251

Females

6645

F45-49

6645

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19062

Females

7118

F45-49

7118

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18251

Females

6645

F45-49

6645

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18603

Females

6852

F45-49

6852

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19085

Females

7127

F45-49

7127

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17440

Females

6251

F45-49

6251

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17845

Females

6554

F45-49

6554

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17563

Females

6491

F45-49

6491

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17878

Females

6686

F45-49

6686

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17930

Females

6798

F45-49

6798

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17986

Females

6858

F45-49

6858

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18012

Females

6907

F45-49

6907

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17950

Females

6922

F45-49

6922

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18479

Females

7212

F45-49

7212

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19127

Females

7504

F45-49

7504

Passing Analysis

Category:
Athletes Passed
1551
Passed By
1552
Net Change
-1
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18169
5K → 10K158584-426#18169#18595
10K → 15K239118+121#18595#18474
15K → 20K149164-15#18474#18489
20K → Half2041-21#18489#18510
Half → 25K23250+182#18510#18328
25K → 30K251120+131#18328#18197
30K → 20M11059+51#18197#18146
20M → 21M11581+34#18146#18112
21M → 35K5053-3#18112#18115
35K → 23M7270+2#18115#18113
23M → 24M5370-17#18113#18130
24M → 40K4938+11#18130#18119
40K → 25.2M1634-18#18119#18137
25.2M → Finish3770-33#18137#18170
TOTALS15511552-1
📊

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