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BOSTON MARATHON 2023

Katie Salcido

Bib: 19286•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 (F40-44)
#0 / 1878
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
8:36/mi
26:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
53:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:21:50
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:51:40
↑ 106↓ 860.1%
Half· 13.11 mi
9:58/mi
1:58:28
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:21:24
↑ 66↓ 880.2%
30K· 18.64 mi
11:25/mi
2:56:52
↑ 181↓ 1480.2%
20M
10:59/mi
3:11:48
↑ 64↓ 500.2%
21M
16:49/mi
3:28:37
↑ 106↓ 241.6%
35K· 21.75 mi
9:51/mi
3:35:59
↑ 17↓ 861.7%
23M
11:11/mi
3:49:59
↑ 23↓ 630.6%
24M
10:29/mi
4:00:28
↓ 821.3%
40K· 24.85 mi
12:53/mi
4:11:29
↓ 200.3%
25.2M
12:40/mi
4:15:51
↑ 13↓ 160.2%
Finish· 26.22 mi
13:04/mi
4:29:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:28
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:30:42
Pace11:30 /mi
📊Positive Split: 27.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3626:448:3626:44
8:36
-
10K
6.21 mi11:45:3853:468:3927:02
8:42
+0:06
15K
9.32 mi12:13:421:21:508:4728:04
9:02
+0:20
20K
12.43 mi12:43:321:51:408:5929:50
9:36
+0:34
Half
13.11 mi12:50:201:58:289:026:48
9:58
+0:22
25K
15.53 mi13:13:162:21:249:0622:56
9:28
-0:30
30K
18.64 mi13:48:442:56:529:2935:28
11:25
+1:57
20M
20.00 mi14:03:403:11:489:3514:56
10:59
-0:26
21M
21.00 mi14:20:293:28:379:5616:49
16:49
+5:50
35K
21.75 mi14:27:513:35:599:567:22
9:51
-6:58
23M
23.00 mi14:41:513:49:5910:0014:00
11:11
+1:20
24M
24.00 mi14:52:204:00:2810:0110:29
10:29
-0:42
40K
24.85 mi15:03:214:11:2910:0711:01
12:53
+2:24
25.2M
25.20 mi15:07:434:15:5110:094:22
12:40
-0:13
Finish
26.22 mi15:21:024:29:1010:1613:19
13:04
+0:24

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

8:36 /mi

Average Pace

10:16 /mi

Slowest Pace

16:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:50

30% of race

Time at Steady Pace

2:21:49

53% of race

Time at Slower Pace

45:31

17% of race

Average Pace: 10:16 /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 mi11:18:3626:448:3626:44
8:36
#18275
10K
6.21 mi11:45:3853:468:3927:02
8:42
#18828
15K
9.32 mi12:13:421:21:508:4728:04
9:02
#19503
20K
12.43 mi12:43:321:51:408:5929:50
9:36
#20300
Half
13.11 mi12:50:201:58:289:026:48
9:58
#20525
25K
15.53 mi13:13:162:21:249:0622:56
9:28
#20580
30K
18.64 mi13:48:442:56:529:2935:28
11:25
#21446
20M
20.00 mi14:03:403:11:489:3514:56
10:59
#21569
21M
21.00 mi14:20:293:28:379:5616:49
16:49
#22256
35K
21.75 mi14:27:513:35:599:567:22
9:51
#22195
23M
23.00 mi14:41:513:49:5910:0014:00
11:11
#22250
24M
24.00 mi14:52:204:00:2810:0110:29
10:29
#22232
40K
24.85 mi15:03:214:11:2910:0711:01
12:53
#22393
25.2M
25.20 mi15:07:434:15:5110:094:22
12:40
#22406
Finish
26.22 mi15:21:024:29:1010:1613:19
13:04
#22667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi182756726672620656(Top 78%)8046(Top 70%)8046(Top 428%)
10K6.21 mi3.10 mi18828-5537029-3037029-30319456(Top 73%)7358(Top 64%)7358(Top 392%)
15K9.32 mi3.11 mi19503-6757448-4197448-41920656(Top 78%)8046(Top 70%)8046(Top 428%)
20K12.43 mi3.11 mi20300-7977889-4417889-44121878(Top 82%)8731(Top 76%)8731(Top 465%)
Half13.11 mi0.68 mi20525-2258005-1168005-11623219(Top 87%)9473(Top 83%)9473(Top 504%)
25K15.53 mi2.42 mi20580-558025-208025-2020717(Top 78%)8118(Top 71%)8118(Top 432%)
30K18.64 mi3.11 mi21446-8668528-5038528-50323737(Top 89%)9857(Top 86%)9857(Top 525%)
20M20.00 mi1.36 mi21569-1238605-778605-7722698(Top 85%)9360(Top 82%)9360(Top 498%)
21M21.00 mi1.00 mi22256-6879002-3979002-39726407(Top 99%)11322(Top 99%)11322(Top 603%)
35K21.75 mi0.75 mi22195+618974+288974+2820893(Top 78%)8435(Top 74%)8435(Top 449%)
23M23.00 mi1.25 mi22250-559013-399013-3922696(Top 85%)9431(Top 83%)9431(Top 502%)
24M24.00 mi1.00 mi22232+189008+59008+522014(Top 83%)9107(Top 80%)9107(Top 485%)
40K24.85 mi0.85 mi22393-1619112-1049112-10424843(Top 93%)10591(Top 93%)10591(Top 564%)
25.2M25.20 mi0.35 mi22406-139121-99121-923537(Top 88%)9943(Top 87%)9943(Top 529%)
Finish26.22 mi1.02 mi22667-2619273-1529273-15226005(Top 98%)11174(Top 98%)11174(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20656

Females

8046

F40-44

8046

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19456

Females

7358

F40-44

7358

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20656

Females

8046

F40-44

8046

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21878

Females

8731

F40-44

8731

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23219

Females

9473

F40-44

9473

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20717

Females

8118

F40-44

8118

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23737

Females

9857

F40-44

9857

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22698

Females

9360

F40-44

9360

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26407

Females

11322

F40-44

11322

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20893

Females

8435

F40-44

8435

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22696

Females

9431

F40-44

9431

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22014

Females

9107

F40-44

9107

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24843

Females

10591

F40-44

10591

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23537

Females

9943

F40-44

9943

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26005

Females

11174

F40-44

11174

Passing Analysis

Category:
Athletes Passed
501
Passed By
4893
Net Change
-4392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18275
5K → 10K125678-553#18275#18828
10K → 15K37712-675#18828#19503
15K → 20K37834-797#19503#20300
20K → Half1226-225#20300#20525
Half → 25K79134-55#20525#20580
25K → 30K15881-866#20580#21446
30K → 20M38161-123#21446#21569
20M → 21M2689-687#21569#22256
21M → 35K687+61#22256#22195
35K → 23M3085-55#22195#22250
23M → 24M4527+18#22250#22232
24M → 40K7168-161#22232#22393
40K → 25.2M1023-13#22393#22406
25.2M → Finish7268-261#22406#22667
TOTALS5014893-4392
📊

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