Alexandra Kantro

Bib: 12966F

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 17%
Masters (Masters Women)
#0 / 6263
Top 7%
Division (F45-49)
#0 / 1753
Top 8%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:04
Rank: #10158
Start5K
7:25/mi
23:04 split
10K· 6.21 mi
46:09
Rank: #9841 (+317)
5K10K
7:26/mi
23:05 split
15K· 9.32 mi
1:09:06
Rank: #9465 (+376)
10K15K
7:23/mi
22:57 split
20K· 12.43 mi
1:32:58
Rank: #9481 (-16)
15K20K
7:41/mi
23:52 split
Half· 13.11 mi
1:38:12
Rank: #9521 (-40)
20KHalf
7:40/mi
5:14 split
25K· 15.53 mi
1:57:53
Rank: #9708 (-187)
Half25K
8:07/mi
19:41 split
30K· 18.64 mi
2:23:38
Rank: #9576 (+132)
25K30K
8:17/mi
25:45 split
20M
2:34:48
Rank: #9365 (+211)
30K20M
8:13/mi
11:10 split
21M
2:43:28
Rank: #9129 (+236)
20M21M
8:40/mi
8:40 split
35K· 21.75 mi
2:49:11
Rank: #8945 (+184)
21M35K
7:38/mi
5:43 split
23M
2:59:46
Rank: #8810 (+135)
35K23M
8:27/mi
10:35 split
24M
3:08:04
Rank: #8741 (+69)
23M24M
8:18/mi
8:18 split
40K· 24.85 mi
3:15:13
Rank: #8661 (+80)
24M40K
8:22/mi
7:09 split
25.2M
3:18:13
Rank: #8564 (+97)
40K25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:25:49
Rank: #8376 (+188)
25.2MFinish
7:27/mi
7:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:12
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:47:37
Pace8:13 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3423:047:2523:04
7:25
-
10K
6.21 mi11:14:3946:097:2623:05
7:26
+0:01
15K
9.32 mi11:37:361:09:067:2522:57
7:23
-0:03
20K
12.43 mi12:01:281:32:587:2923:52
7:41
+0:18
Half
13.11 mi12:06:421:38:127:295:14
7:40
-0:01
25K
15.53 mi12:26:231:57:537:3519:41
8:07
+0:27
30K
18.64 mi12:52:082:23:387:4225:45
8:17
+0:10
20M
20.00 mi13:03:182:34:487:4411:10
8:13
-0:04
21M
21.00 mi13:11:582:43:287:478:40
8:40
+0:27
35K
21.75 mi13:17:412:49:117:475:43
7:38
-1:02
23M
23.00 mi13:28:162:59:467:4910:35
8:27
+0:49
24M
24.00 mi13:36:343:08:047:508:18
8:18
-0:09
40K
24.85 mi13:43:433:15:137:517:09
8:22
+0:04
25.2M
25.20 mi13:46:433:18:137:523:00
8:42
+0:20
Finish
26.22 mi13:54:193:25:497:517:36
7:27
-1:15

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

7:23 /mi

Average Pace

7:51 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:12

64% of race

Time at Steady Pace

1:14:37

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /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 mi10:51:3423:047:2523:04
7:25
#10158
10K
6.21 mi11:14:3946:097:2623:05
7:26
#9841
15K
9.32 mi11:37:361:09:067:2522:57
7:23
#9465
20K
12.43 mi12:01:281:32:587:2923:52
7:41
#9481
Half
13.11 mi12:06:421:38:127:295:14
7:40
#9521
25K
15.53 mi12:26:231:57:537:3519:41
8:07
#9708
30K
18.64 mi12:52:082:23:387:4225:45
8:17
#9576
20M
20.00 mi13:03:182:34:487:4411:10
8:13
#9365
21M
21.00 mi13:11:582:43:287:478:40
8:40
#9129
35K
21.75 mi13:17:412:49:117:475:43
7:38
#8945
23M
23.00 mi13:28:162:59:467:4910:35
8:27
#8810
24M
24.00 mi13:36:343:08:047:508:18
8:18
#8741
40K
24.85 mi13:43:433:15:137:517:09
8:22
#8661
25.2M
25.20 mi13:46:433:18:137:523:00
8:42
#8564
Finish
26.22 mi13:54:193:25:497:517:36
7:27
#8376
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi10158209220928806(Top 34%)1609(Top 15%)1609(Top 92%)
10K6.21 mi3.10 mi9841+3171978+1141978+1149662(Top 38%)1950(Top 18%)1950(Top 111%)
15K9.32 mi3.11 mi9465+3761840+1381840+1388806(Top 34%)1609(Top 15%)1609(Top 92%)
20K12.43 mi3.11 mi9481-161885-451885-459626(Top 38%)2134(Top 20%)2134(Top 122%)
Half13.11 mi0.68 mi9521-401914-291914-2910397(Top 41%)2487(Top 23%)2487(Top 142%)
25K15.53 mi2.42 mi9708-1872067-1532067-15310909(Top 43%)2916(Top 27%)2916(Top 166%)
30K18.64 mi3.11 mi9576+1322097-302097-309496(Top 37%)2455(Top 22%)2455(Top 140%)
20M20.00 mi1.36 mi9365+2112043+542043+547946(Top 31%)1953(Top 18%)1953(Top 111%)
21M21.00 mi1.00 mi9129+2362008+352008+357010(Top 27%)1721(Top 16%)1721(Top 98%)
35K21.75 mi0.75 mi8945+1841944+641944+645850(Top 23%)1250(Top 11%)1250(Top 71%)
23M23.00 mi1.25 mi8810+1351947-31947-38217(Top 32%)2484(Top 23%)2484(Top 142%)
24M24.00 mi1.00 mi8741+691959-121959-128311(Top 33%)2631(Top 24%)2631(Top 150%)
40K24.85 mi0.85 mi8661+801967-81967-87677(Top 30%)2447(Top 22%)2447(Top 140%)
25.2M25.20 mi0.35 mi8564+971950+171950+175315(Top 21%)1418(Top 13%)1418(Top 81%)
Finish26.22 mi1.02 mi8376+1881906+441906+445422(Top 21%)1377(Top 13%)1377(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8806

Females

1609

F45-49

1609

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

9662

Females

1950

F45-49

1950

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8806

Females

1609

F45-49

1609

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9626

Females

2134

F45-49

2134

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10397

Females

2487

F45-49

2487

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

10909

Females

2916

F45-49

2916

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9496

Females

2455

F45-49

2455

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7946

Females

1953

F45-49

1953

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7010

Females

1721

F45-49

1721

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5850

Females

1250

F45-49

1250

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8217

Females

2484

F45-49

2484

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8311

Females

2631

F45-49

2631

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7677

Females

2447

F45-49

2447

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5315

Females

1418

F45-49

1418

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5422

Females

1377

F45-49

1377

Passing Analysis

Category:
Athletes Passed
3000*
Passed By
1216
Net Change
+1782
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10158
5K10K437*120+317#10158#9841
10K15K41135+376#9841#9465
15K20K219235-16#9465#9481
20KHalf2363-40#9481#9521
Half25K156342-187#9521#9708
25K30K313180+132#9708#9576
30K20M25443+211#9576#9365
20M21M25923+236#9365#9129
21M35K1917+184#9129#8945
35K23M19358+135#8945#8810
23M24M12354+69#8810#8741
24M40K12141+80#8741#8661
40K25.2M1025+97#8661#8564
25.2MFinish19810+188#8564#8376
TOTALS3000*1216+1782

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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