Karina Contreras Alvarado

Bib: 18030F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F45-49)
#0 / 1813
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #13160
Start5K
23:37 | 7:36/mi
10K· 6.21 mi
47:58
Rank: #14067 (-907)
5K10K
24:21 | 7:50/mi
15K· 9.32 mi
1:13:09
Rank: #15068 (-1001)
10K15K
25:11 | 8:06/mi
20K· 12.43 mi
1:38:41
Rank: #15466 (-398)
15K20K
25:32 | 8:13/mi
Half· 13.11 mi
1:44:17
Rank: #15589 (-123)
20KHalf
5:36 | 8:12/mi
25K· 15.53 mi
2:06:09
Rank: #16458 (-869)
Half25K
21:52 | 9:01/mi
30K· 18.64 mi
2:33:38
Rank: #16466 (-8)
25K30K
27:29 | 8:51/mi
20M
2:45:39
Rank: #16380 (+86)
30K20M
12:01 | 8:51/mi
21M
2:55:09
Rank: #16332 (+48)
20M21M
9:30 | 9:30/mi
35K· 21.75 mi
3:01:39
Rank: #16305 (+27)
21M35K
6:30 | 8:41/mi
23M
3:13:04
Rank: #16299 (+6)
35K23M
11:25 | 9:07/mi
24M
3:21:58
Rank: #16302 (-3)
23M24M
8:54 | 8:54/mi
40K· 24.85 mi
3:29:49
Rank: #16348 (-46)
24M40K
7:51 | 9:11/mi
25.2M
3:33:13
Rank: #16350 (-2)
40K25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:42:05
Rank: #16382 (-32)
25.2MFinish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:17
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:57:48
Pace8:59 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4123:377:3623:37
7:36
-
10K
6.21 mi11:38:0247:587:4324:21
7:50
+0:14
15K
9.32 mi12:03:131:13:097:5125:11
8:06
+0:16
20K
12.43 mi12:28:451:38:417:5625:32
8:13
+0:07
Half
13.11 mi12:34:211:44:177:575:36
8:12
-0:01
25K
15.53 mi12:56:132:06:098:0721:52
9:01
+0:49
30K
18.64 mi13:23:422:33:388:1427:29
8:51
-0:10
20M
20.00 mi13:35:432:45:398:1712:01
8:51
0:00
21M
21.00 mi13:45:132:55:098:209:30
9:30
+0:39
35K
21.75 mi13:51:433:01:398:216:30
8:41
-0:49
23M
23.00 mi14:03:083:13:048:2411:25
9:07
+0:26
24M
24.00 mi14:12:023:21:588:258:54
8:54
-0:13
40K
24.85 mi14:19:533:29:498:277:51
9:11
+0:17
25.2M
25.20 mi14:23:173:33:138:283:24
9:52
+0:41
Finish
26.22 mi14:32:093:42:058:298:52
8:42
-1:10

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

7:36 /mi

Average Pace

8:29 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:17

47% of race

Time at Steady Pace

1:37:03

44% of race

Time at Slower Pace

20:45

9% of race

Average Pace: 8:28 /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 mi11:13:4123:377:3623:37
7:36
#13160
10K
6.21 mi11:38:0247:587:4324:21
7:50
#14067
15K
9.32 mi12:03:131:13:097:5125:11
8:06
#15068
20K
12.43 mi12:28:451:38:417:5625:32
8:13
#15466
Half
13.11 mi12:34:211:44:177:575:36
8:12
#15589
25K
15.53 mi12:56:132:06:098:0721:52
9:01
#16458
30K
18.64 mi13:23:422:33:388:1427:29
8:51
#16466
20M
20.00 mi13:35:432:45:398:1712:01
8:51
#16380
21M
21.00 mi13:45:132:55:098:209:30
9:30
#16332
35K
21.75 mi13:51:433:01:398:216:30
8:41
#16305
23M
23.00 mi14:03:083:13:048:2411:25
9:07
#16299
24M
24.00 mi14:12:023:21:588:258:54
8:54
#16302
40K
24.85 mi14:19:533:29:498:277:51
9:11
#16348
25.2M
25.20 mi14:23:173:33:138:283:24
9:52
#16350
Finish
26.22 mi14:32:093:42:058:298:52
8:42
#16382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi131603410341016780(Top 59%)5595(Top 46%)5595(Top 309%)
10K6.21 mi3.10 mi14067-9073980-5703980-57015179(Top 53%)4654(Top 38%)4654(Top 257%)
15K9.32 mi3.11 mi15068-10014597-6174597-61716780(Top 59%)5595(Top 46%)5595(Top 309%)
20K12.43 mi3.11 mi15466-3984841-2444841-24416438(Top 58%)5458(Top 45%)5458(Top 301%)
Half13.11 mi0.68 mi15589-1234924-834924-8317353(Top 61%)5952(Top 49%)5952(Top 328%)
25K15.53 mi2.42 mi16458-8695439-5155439-51519990(Top 70%)7526(Top 62%)7526(Top 415%)
30K18.64 mi3.11 mi16466-85508-695508-6916874(Top 59%)5966(Top 49%)5966(Top 329%)
20M20.00 mi1.36 mi16380+865484+245484+2415918(Top 56%)5545(Top 45%)5545(Top 306%)
21M21.00 mi1.00 mi16332+485485-15485-116099(Top 57%)5758(Top 47%)5758(Top 318%)
35K21.75 mi0.75 mi16305+275493-85493-816631(Top 59%)6127(Top 50%)6127(Top 338%)
23M23.00 mi1.25 mi16299+65516-235516-2316933(Top 60%)6408(Top 52%)6408(Top 353%)
24M24.00 mi1.00 mi16302-35550-345550-3416859(Top 59%)6413(Top 52%)6413(Top 354%)
40K24.85 mi0.85 mi16348-465606-565606-5617272(Top 61%)6730(Top 55%)6730(Top 371%)
25.2M25.20 mi0.35 mi16350-25615-95615-916427(Top 58%)6288(Top 51%)6288(Top 347%)
Finish26.22 mi1.02 mi16382-325656-415656-4117484(Top 62%)6806(Top 56%)6806(Top 375%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16780

Females

5595

F45-49

5595

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15179

Females

4654

F45-49

4654

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16780

Females

5595

F45-49

5595

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16438

Females

5458

F45-49

5458

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17353

Females

5952

F45-49

5952

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19990

Females

7526

F45-49

7526

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16874

Females

5966

F45-49

5966

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15918

Females

5545

F45-49

5545

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16099

Females

5758

F45-49

5758

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16631

Females

6127

F45-49

6127

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16933

Females

6408

F45-49

6408

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16859

Females

6413

F45-49

6413

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17272

Females

6730

F45-49

6730

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16427

Females

6288

F45-49

6288

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17484

Females

6806

F45-49

6806

Passing Analysis

Category:
Athletes Passed
1183
Passed By
4405
Net Change
-3222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13160
5K10K69976-907#13160#14067
10K15K421043-1001#14067#15068
15K20K102500-398#15068#15466
20KHalf11134-123#15466#15589
Half25K26895-869#15589#16458
25K30K237245-8#16458#16466
30K20M15266+86#16466#16380
20M21M13486+48#16380#16332
21M35K7548+27#16332#16305
35K23M114108+6#16305#16299
23M24M7780-3#16299#16302
24M40K55101-46#16302#16348
40K25.2M3032-2#16348#16350
25.2MFinish5991-32#16350#16382
TOTALS11834405-3222
📊

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