Katie Stirling

Bib: 16446F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:20
Rank: #19763
Start5K
26:20 | 8:29/mi
10K· 6.21 mi
52:51
Rank: #19870 (-107)
5K10K
26:31 | 8:32/mi
15K· 9.32 mi
1:19:47
Rank: #20026 (-156)
10K15K
26:56 | 8:40/mi
20K· 12.43 mi
1:46:36
Rank: #19754 (+272)
15K20K
26:49 | 8:38/mi
Half· 13.11 mi
1:52:23
Rank: #19723 (+31)
20KHalf
5:47 | 8:29/mi
25K· 15.53 mi
2:13:23
Rank: #19431 (+292)
Half25K
21:00 | 8:40/mi
30K· 18.64 mi
2:41:09
Rank: #19013 (+418)
25K30K
27:46 | 8:56/mi
20M
2:53:25
Rank: #18851 (+162)
30K20M
12:16 | 9:02/mi
21M
3:02:58
Rank: #18693 (+158)
20M21M
9:33 | 9:33/mi
35K· 21.75 mi
3:09:49
Rank: #18697 (-4)
21M35K
6:51 | 9:09/mi
23M
3:21:44
Rank: #18703 (-6)
35K23M
11:55 | 9:31/mi
24M
3:31:08
Rank: #18760 (-57)
23M24M
9:24 | 9:24/mi
40K· 24.85 mi
3:39:13
Rank: #18745 (+15)
24M40K
8:05 | 9:27/mi
25.2M
3:42:22
Rank: #18632 (+113)
40K25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:50:14
Rank: #18371 (+261)
25.2MFinish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:23
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:57:51
Pace8:59 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:0626:208:2926:20
8:29
-
10K
6.21 mi11:27:3752:518:3026:31
8:32
+0:03
15K
9.32 mi11:54:331:19:478:3426:56
8:40
+0:08
20K
12.43 mi12:21:221:46:368:3526:49
8:38
-0:02
Half
13.11 mi12:27:091:52:238:345:47
8:29
-0:09
25K
15.53 mi12:48:092:13:238:3521:00
8:40
+0:11
30K
18.64 mi13:15:552:41:098:3927:46
8:56
+0:16
20M
20.00 mi13:28:112:53:258:4012:16
9:02
+0:06
21M
21.00 mi13:37:443:02:588:439:33
9:33
+0:31
35K
21.75 mi13:44:353:09:498:446:51
9:09
-0:24
23M
23.00 mi13:56:303:21:448:4611:55
9:31
+0:22
24M
24.00 mi14:05:543:31:088:489:24
9:24
-0:07
40K
24.85 mi14:13:593:39:138:498:05
9:27
+0:03
25.2M
25.20 mi14:17:083:42:228:493:09
9:08
-0:19
Finish
26.22 mi14:25:003:50:148:477:52
7:43
-1:25

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

7:43 /mi

Average Pace

8:47 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:15

61% of race

Time at Steady Pace

50:02

22% of race

Time at Slower Pace

38:57

17% of race

Average Pace: 8:47 /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 mi11:01:0626:208:2926:20
8:29
#19763
10K
6.21 mi11:27:3752:518:3026:31
8:32
#19870
15K
9.32 mi11:54:331:19:478:3426:56
8:40
#20026
20K
12.43 mi12:21:221:46:368:3526:49
8:38
#19754
Half
13.11 mi12:27:091:52:238:345:47
8:29
#19723
25K
15.53 mi12:48:092:13:238:3521:00
8:40
#19431
30K
18.64 mi13:15:552:41:098:3927:46
8:56
#19013
20M
20.00 mi13:28:112:53:258:4012:16
9:02
#18851
21M
21.00 mi13:37:443:02:588:439:33
9:33
#18693
35K
21.75 mi13:44:353:09:498:446:51
9:09
#18697
23M
23.00 mi13:56:303:21:448:4611:55
9:31
#18703
24M
24.00 mi14:05:543:31:088:489:24
9:24
#18760
40K
24.85 mi14:13:593:39:138:498:05
9:27
#18745
25.2M
25.20 mi14:17:083:42:228:493:09
9:08
#18632
Finish
26.22 mi14:25:003:50:148:477:52
7:43
#18371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197637368736820297(Top 71%)7592(Top 62%)7592(Top 139%)
10K6.21 mi3.10 mi19870-1077395-277395-2720006(Top 70%)7466(Top 61%)7466(Top 137%)
15K9.32 mi3.11 mi20026-1567479-847479-8420297(Top 71%)7592(Top 62%)7592(Top 139%)
20K12.43 mi3.11 mi19754+2727336+1437336+14319029(Top 67%)6934(Top 57%)6934(Top 127%)
Half13.11 mi0.68 mi19723+317319+177319+1719098(Top 67%)6957(Top 57%)6957(Top 127%)
25K15.53 mi2.42 mi19431+2927162+1577162+15718169(Top 64%)6520(Top 53%)6520(Top 119%)
30K18.64 mi3.11 mi19013+4186961+2016961+20117362(Top 61%)6227(Top 51%)6227(Top 114%)
20M20.00 mi1.36 mi18851+1626885+766885+7616958(Top 60%)6117(Top 50%)6117(Top 112%)
21M21.00 mi1.00 mi18693+1586832+536832+5316338(Top 58%)5897(Top 48%)5897(Top 108%)
35K21.75 mi0.75 mi18697-46847-156847-1519003(Top 67%)7454(Top 61%)7454(Top 136%)
23M23.00 mi1.25 mi18703-66885-386885-3818788(Top 66%)7395(Top 60%)7395(Top 135%)
24M24.00 mi1.00 mi18760-576936-516936-5119241(Top 68%)7669(Top 63%)7669(Top 140%)
40K24.85 mi0.85 mi18745+156960-246960-2418547(Top 65%)7403(Top 61%)7403(Top 135%)
25.2M25.20 mi0.35 mi18632+1136909+516909+5112692(Top 45%)4371(Top 36%)4371(Top 80%)
Finish26.22 mi1.02 mi18371+2616785+1246785+12410903(Top 38%)3424(Top 28%)3424(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20297

Females

7592

F18-39

7592

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

20006

Females

7466

F18-39

7466

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20297

Females

7592

F18-39

7592

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19029

Females

6934

F18-39

6934

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19098

Females

6957

F18-39

6957

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18169

Females

6520

F18-39

6520

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17362

Females

6227

F18-39

6227

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16958

Females

6117

F18-39

6117

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16338

Females

5897

F18-39

5897

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19003

Females

7454

F18-39

7454

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18788

Females

7395

F18-39

7395

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19241

Females

7669

F18-39

7669

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18547

Females

7403

F18-39

7403

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12692

Females

4371

F18-39

4371

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10903

Females

3424

F18-39

3424

Passing Analysis

Category:
Athletes Passed
2568
Passed By
1176
Net Change
+1392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19763
5K10K214321-107#19763#19870
10K15K135291-156#19870#20026
15K20K33563+272#20026#19754
20KHalf4817+31#19754#19723
Half25K32937+292#19723#19431
25K30K46345+418#19431#19013
30K20M19331+162#19013#18851
20M21M18628+158#18851#18693
21M35K5559-4#18693#18697
35K23M109115-6#18697#18703
23M24M51108-57#18703#18760
24M40K7459+15#18760#18745
40K25.2M1141+113#18745#18632
25.2MFinish2621+261#18632#18371
TOTALS25681176+1392
📊

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