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BOSTON MARATHON 2023

Tana Kaskalla

Bib: 8907•F

NM

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Masters (Masters Women)
#0 / 6539
Top 1%
Division (F45-49)
#0 / 1817
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #5486
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
42:39
Rank: #5549 (-63)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:04:00
Rank: #5608 (-59)
10K → 15K
21:21 | 6:52/mi
20K· 12.43 mi
1:25:28
Rank: #5549 (+59)
15K → 20K
21:28 | 6:55/mi
Half· 13.11 mi
1:30:07
Rank: #5546 (+3)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:47:09
Rank: #5574 (-28)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:09:56
Rank: #5644 (-70)
25K → 30K
22:47 | 7:20/mi
20M
2:20:05
Rank: #5678 (-34)
30K → 20M
10:09 | 7:28/mi
21M
2:28:03
Rank: #5714 (-36)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:33:16
Rank: #5678 (+36)
21M → 35K
5:13 | 6:58/mi
23M
2:42:45
Rank: #5667 (+11)
35K → 23M
9:29 | 7:34/mi
24M
2:50:06
Rank: #5659 (+8)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:56:34
Rank: #5661 (-2)
24M → 40K
6:28 | 7:34/mi
25.2M
2:59:32
Rank: #5703 (-42)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:06:55
Rank: #5677 (+26)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:07
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:36:48
Pace7:23 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3121:246:5321:24
6:53
-
10K
6.21 mi11:07:4642:396:5221:15
6:50
-0:03
15K
9.32 mi11:29:071:04:006:5221:21
6:52
+0:02
20K
12.43 mi11:50:351:25:286:5321:28
6:55
+0:03
Half
13.11 mi11:55:141:30:076:524:39
6:49
-0:06
25K
15.53 mi12:12:161:47:096:5417:02
7:02
+0:13
30K
18.64 mi12:35:032:09:566:5822:47
7:20
+0:18
20M
20.00 mi12:45:122:20:057:0010:09
7:28
+0:08
21M
21.00 mi12:53:102:28:037:037:58
7:58
+0:30
35K
21.75 mi12:58:232:33:167:035:13
6:58
-1:00
23M
23.00 mi13:07:522:42:457:059:29
7:34
+0:36
24M
24.00 mi13:15:132:50:067:057:21
7:21
-0:13
40K
24.85 mi13:21:412:56:347:066:28
7:34
+0:13
25.2M
25.20 mi13:24:392:59:327:072:58
8:36
+1:02
Finish
26.22 mi13:32:023:06:557:087:23
7:15
-1:21

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

6:49 /mi

Average Pace

7:08 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:20

51% of race

Time at Steady Pace

1:04:42

35% of race

Time at Slower Pace

26:53

14% of race

Average Pace: 7:08 /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 mi10:46:3121:246:5321:24
6:53
#5486
10K
6.21 mi11:07:4642:396:5221:15
6:50
#5549
15K
9.32 mi11:29:071:04:006:5221:21
6:52
#5608
20K
12.43 mi11:50:351:25:286:5321:28
6:55
#5549
Half
13.11 mi11:55:141:30:076:524:39
6:49
#5546
25K
15.53 mi12:12:161:47:096:5417:02
7:02
#5574
30K
18.64 mi12:35:032:09:566:5822:47
7:20
#5644
20M
20.00 mi12:45:122:20:057:0010:09
7:28
#5678
21M
21.00 mi12:53:102:28:037:037:58
7:58
#5714
35K
21.75 mi12:58:232:33:167:035:13
6:58
#5678
23M
23.00 mi13:07:522:42:457:059:29
7:34
#5667
24M
24.00 mi13:15:132:50:067:057:21
7:21
#5659
40K
24.85 mi13:21:412:56:347:066:28
7:34
#5661
25.2M
25.20 mi13:24:392:59:327:072:58
8:36
#5703
Finish
26.22 mi13:32:023:06:557:087:23
7:15
#5677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi54864184185762(Top 22%)478(Top 4%)478(Top 26%)
10K6.21 mi3.10 mi5549-63428-10428-105674(Top 21%)467(Top 4%)467(Top 26%)
15K9.32 mi3.11 mi5608-59440-12440-125762(Top 22%)478(Top 4%)478(Top 26%)
20K12.43 mi3.11 mi5549+59426+14426+145418(Top 20%)412(Top 4%)412(Top 23%)
Half13.11 mi0.68 mi5546+3421+5421+55482(Top 21%)430(Top 4%)430(Top 24%)
25K15.53 mi2.42 mi5574-28432-11432-115739(Top 22%)481(Top 4%)481(Top 26%)
30K18.64 mi3.11 mi5644-70457-25457-256229(Top 23%)687(Top 6%)687(Top 38%)
20M20.00 mi1.36 mi5678-34469-12469-126599(Top 25%)878(Top 8%)878(Top 48%)
21M21.00 mi1.00 mi5714-36481-12481-127156(Top 27%)1181(Top 10%)1181(Top 65%)
35K21.75 mi0.75 mi5678+36478+3478+35239(Top 20%)560(Top 5%)560(Top 31%)
23M23.00 mi1.25 mi5667+11494-16494-166920(Top 26%)1132(Top 10%)1132(Top 62%)
24M24.00 mi1.00 mi5659+8504-10504-106738(Top 25%)1160(Top 10%)1160(Top 64%)
40K24.85 mi0.85 mi5661-2516-12516-127118(Top 27%)1405(Top 12%)1405(Top 77%)
25.2M25.20 mi0.35 mi5703-42534-18534-1810175(Top 38%)2755(Top 24%)2755(Top 152%)
Finish26.22 mi1.02 mi5677+26541-7541-76746(Top 25%)1323(Top 12%)1323(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5762

Females

478

F45-49

478

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5674

Females

467

F45-49

467

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5762

Females

478

F45-49

478

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5418

Females

412

F45-49

412

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5482

Females

430

F45-49

430

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5739

Females

481

F45-49

481

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6229

Females

687

F45-49

687

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6599

Females

878

F45-49

878

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7156

Females

1181

F45-49

1181

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5239

Females

560

F45-49

560

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6920

Females

1132

F45-49

1132

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6738

Females

1160

F45-49

1160

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7118

Females

1405

F45-49

1405

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10175

Females

2755

F45-49

2755

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6746

Females

1323

F45-49

1323

Passing Analysis

Category:
Athletes Passed
999
Passed By
1190
Net Change
-191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5486
5K → 10K179242-63#5486#5549
10K → 15K95154-59#5549#5608
15K → 20K13778+59#5608#5549
20K → Half2118+3#5549#5546
Half → 25K73101-28#5546#5574
25K → 30K97167-70#5574#5644
30K → 20M4478-34#5644#5678
20M → 21M4278-36#5678#5714
21M → 35K4913+36#5714#5678
35K → 23M7867+11#5678#5667
23M → 24M5042+8#5667#5659
24M → 40K5153-2#5659#5661
40K → 25.2M749-42#5661#5703
25.2M → Finish7650+26#5703#5677
TOTALS9991190-191
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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