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BOSTON MARATHON 2023

Katherine Shank

Bib: 17870•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F60-64)
#0 / 527
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:25
Rank: #9977
Start → 5K
23:25 | 7:32/mi
10K· 6.21 mi
46:39
Rank: #10111 (-134)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:10:22
Rank: #10500 (-389)
10K → 15K
23:43 | 7:38/mi
20K· 12.43 mi
1:34:17
Rank: #10589 (-89)
15K → 20K
23:55 | 7:42/mi
Half· 13.11 mi
1:39:30
Rank: #10640 (-51)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:58:24
Rank: #10671 (-31)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:23:19
Rank: #10662 (+9)
25K → 30K
24:55 | 8:01/mi
20M
2:34:12
Rank: #10634 (+28)
30K → 20M
10:53 | 8:01/mi
21M
2:42:38
Rank: #10576 (+58)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:48:30
Rank: #10554 (+22)
21M → 35K
5:52 | 7:51/mi
23M
2:58:23
Rank: #10441 (+113)
35K → 23M
9:53 | 7:54/mi
24M
3:06:05
Rank: #10372 (+69)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:12:43
Rank: #10262 (+110)
24M → 40K
6:38 | 7:45/mi
25.2M
3:15:44
Rank: #10259 (+3)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:23:38
Rank: #10248 (+11)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:30
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:44:08
Pace7:57 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5323:257:3223:25
7:32
-
10K
6.21 mi11:37:0746:397:3023:14
7:29
-0:03
15K
9.32 mi12:00:501:10:227:3323:43
7:38
+0:09
20K
12.43 mi12:24:451:34:177:3523:55
7:42
+0:04
Half
13.11 mi12:29:581:39:307:355:13
7:39
-0:03
25K
15.53 mi12:48:521:58:247:3718:54
7:48
+0:09
30K
18.64 mi13:13:472:23:197:4124:55
8:01
+0:13
20M
20.00 mi13:24:402:34:127:4310:53
8:01
0:00
21M
21.00 mi13:33:062:42:387:458:26
8:26
+0:25
35K
21.75 mi13:38:582:48:307:455:52
7:51
-0:35
23M
23.00 mi13:48:512:58:237:459:53
7:54
+0:03
24M
24.00 mi13:56:333:06:057:457:42
7:42
-0:12
40K
24.85 mi14:03:113:12:437:456:38
7:45
+0:03
25.2M
25.20 mi14:06:123:15:447:463:01
8:45
+1:00
Finish
26.22 mi14:14:063:23:387:467:54
7:45
-1:00

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

7:29 /mi

Average Pace

7:46 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:11

94% of race

Time at Steady Pace

11:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:13:5323:257:3223:25
7:32
#9977
10K
6.21 mi11:37:0746:397:3023:14
7:29
#10111
15K
9.32 mi12:00:501:10:227:3323:43
7:38
#10500
20K
12.43 mi12:24:451:34:177:3523:55
7:42
#10589
Half
13.11 mi12:29:581:39:307:355:13
7:39
#10640
25K
15.53 mi12:48:521:58:247:3718:54
7:48
#10671
30K
18.64 mi13:13:472:23:197:4124:55
8:01
#10662
20M
20.00 mi13:24:402:34:127:4310:53
8:01
#10634
21M
21.00 mi13:33:062:42:387:458:26
8:26
#10576
35K
21.75 mi13:38:582:48:307:455:52
7:51
#10554
23M
23.00 mi13:48:512:58:237:459:53
7:54
#10441
24M
24.00 mi13:56:333:06:057:457:42
7:42
#10372
40K
24.85 mi14:03:113:12:437:456:38
7:45
#10262
25.2M
25.20 mi14:06:123:15:447:463:01
8:45
#10259
Finish
26.22 mi14:14:063:23:387:467:54
7:45
#10248
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi99771852185211309(Top 42%)2519(Top 22%)2519(Top 478%)
10K6.21 mi3.10 mi10111-1341890-381890-3810288(Top 39%)1951(Top 17%)1951(Top 370%)
15K9.32 mi3.11 mi10500-3892063-1732063-17311309(Top 42%)2519(Top 22%)2519(Top 478%)
20K12.43 mi3.11 mi10589-892120-572120-5710917(Top 41%)2366(Top 21%)2366(Top 449%)
Half13.11 mi0.68 mi10640-512149-292149-2911441(Top 43%)2582(Top 23%)2582(Top 490%)
25K15.53 mi2.42 mi10671-312187-382187-3811059(Top 42%)2507(Top 22%)2507(Top 476%)
30K18.64 mi3.11 mi10662+92235-482235-4811067(Top 42%)2671(Top 23%)2671(Top 507%)
20M20.00 mi1.36 mi10634+282247-122247-1210347(Top 39%)2393(Top 21%)2393(Top 454%)
21M21.00 mi1.00 mi10576+582237+102237+1010092(Top 38%)2425(Top 21%)2425(Top 460%)
35K21.75 mi0.75 mi10554+222250-132250-1310973(Top 41%)2850(Top 25%)2850(Top 541%)
23M23.00 mi1.25 mi10441+1132220+302220+309064(Top 34%)2066(Top 18%)2066(Top 392%)
24M24.00 mi1.00 mi10372+692210+102210+109115(Top 34%)2159(Top 19%)2159(Top 410%)
40K24.85 mi0.85 mi10262+1102181+292181+298422(Top 32%)1912(Top 17%)1912(Top 363%)
25.2M25.20 mi0.35 mi10259+32192-112192-1111049(Top 42%)3207(Top 28%)3207(Top 609%)
Finish26.22 mi1.02 mi10248+112222-302222-3010336(Top 39%)2853(Top 25%)2853(Top 541%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11309

Females

2519

F60-64

2519

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10288

Females

1951

F60-64

1951

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11309

Females

2519

F60-64

2519

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10917

Females

2366

F60-64

2366

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11441

Females

2582

F60-64

2582

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11059

Females

2507

F60-64

2507

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11067

Females

2671

F60-64

2671

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10347

Females

2393

F60-64

2393

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10092

Females

2425

F60-64

2425

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10973

Females

2850

F60-64

2850

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9064

Females

2066

F60-64

2066

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9115

Females

2159

F60-64

2159

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8422

Females

1912

F60-64

1912

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11049

Females

3207

F60-64

3207

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10336

Females

2853

F60-64

2853

Passing Analysis

Category:
Athletes Passed
1502*
Passed By
1772
Net Change
-271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9977
5K → 10K253386-134#9977#10111
10K → 15K74463-389#10111#10500
15K → 20K121210-89#10500#10589
20K → Half1667-51#10589#10640
Half → 25K116147-31#10640#10671
25K → 30K183174+9#10671#10662
30K → 20M94*66+28#10662#10634
20M → 21M10143+58#10634#10576
21M → 35K5937+22#10576#10554
35K → 23M14532+113#10554#10441
23M → 24M9223+69#10441#10372
24M → 40K13525+110#10372#10262
40K → 25.2M34*31+3#10262#10259
25.2M → Finish7968+11#10259#10248
TOTALS1502*1772-271

* 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