Isobel Doster

Bib: 12776F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 31%
Gender (Female)
#0 / 10924
Top 16%
Division (F18-39)
#0 / 4660
Top 28%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #9283
Start5K
7:19/mi
22:43 split
10K· 6.21 mi
45:24
Rank: #8960 (+323)
5K10K
7:18/mi
22:41 split
15K· 9.32 mi
1:08:03
Rank: #8623 (+337)
10K15K
7:17/mi
22:39 split
20K· 12.43 mi
1:30:58
Rank: #8268 (+355)
15K20K
7:23/mi
22:55 split
Half· 13.11 mi
1:35:59
Rank: #8256 (+12)
20KHalf
7:21/mi
5:01 split
25K· 15.53 mi
1:54:00
Rank: #7888 (+368)
Half25K
7:26/mi
18:01 split
30K· 18.64 mi
2:18:46
Rank: #7746 (+142)
25K30K
7:58/mi
24:46 split
20M
2:29:56
Rank: #7724 (+22)
30K20M
8:13/mi
11:10 split
21M
2:39:25
Rank: #7847 (-123)
20M21M
9:29/mi
9:29 split
35K· 21.75 mi
2:45:19
Rank: #7773 (+74)
21M35K
7:53/mi
5:54 split
23M
2:56:09
Rank: #7777 (-4)
35K23M
8:39/mi
10:50 split
24M
3:04:37
Rank: #7782 (-5)
23M24M
8:28/mi
8:28 split
40K· 24.85 mi
3:12:13
Rank: #7853 (-71)
24M40K
8:53/mi
7:36 split
25.2M
3:15:41
Rank: #7896 (-43)
40K25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:24:07
Rank: #7954 (-58)
25.2MFinish
8:17/mi
8:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:59
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1922:437:1922:43
7:19
-
10K
6.21 mi11:15:0045:247:1822:41
7:18
-0:01
15K
9.32 mi11:37:391:08:037:1822:39
7:17
-0:01
20K
12.43 mi12:00:341:30:587:1922:55
7:23
+0:06
Half
13.11 mi12:05:351:35:597:195:01
7:21
-0:02
25K
15.53 mi12:23:361:54:007:2018:01
7:26
+0:05
30K
18.64 mi12:48:222:18:467:2724:46
7:58
+0:32
20M
20.00 mi12:59:322:29:567:3011:10
8:13
+0:15
21M
21.00 mi13:09:012:39:257:359:29
9:29
+1:16
35K
21.75 mi13:14:552:45:197:365:54
7:53
-1:36
23M
23.00 mi13:25:452:56:097:4010:50
8:39
+0:46
24M
24.00 mi13:34:133:04:377:428:28
8:28
-0:11
40K
24.85 mi13:41:493:12:137:447:36
8:53
+0:25
25.2M
25.20 mi13:45:173:15:417:463:28
10:03
+1:10
Finish
26.22 mi13:53:433:24:077:478:26
8:17
-1:46

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

7:17 /mi

Average Pace

7:47 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:00

56% of race

Time at Steady Pace

50:16

25% of race

Time at Slower Pace

39:51

20% of race

Average Pace: 7:47 /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 mi10:52:1922:437:1922:43
7:19
#9283
10K
6.21 mi11:15:0045:247:1822:41
7:18
#8960
15K
9.32 mi11:37:391:08:037:1822:39
7:17
#8623
20K
12.43 mi12:00:341:30:587:1922:55
7:23
#8268
Half
13.11 mi12:05:351:35:597:195:01
7:21
#8256
25K
15.53 mi12:23:361:54:007:2018:01
7:26
#7888
30K
18.64 mi12:48:222:18:467:2724:46
7:58
#7746
20M
20.00 mi12:59:322:29:567:3011:10
8:13
#7724
21M
21.00 mi13:09:012:39:257:359:29
9:29
#7847
35K
21.75 mi13:14:552:45:197:365:54
7:53
#7773
23M
23.00 mi13:25:452:56:097:4010:50
8:39
#7777
24M
24.00 mi13:34:133:04:377:428:28
8:28
#7782
40K
24.85 mi13:41:493:12:137:447:36
8:53
#7853
25.2M
25.20 mi13:45:173:15:417:463:28
10:03
#7896
Finish
26.22 mi13:53:433:24:077:478:26
8:17
#7954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9283169716978115(Top 32%)1316(Top 12%)1316(Top 28%)
10K6.21 mi3.10 mi8960+3231602+951602+958703(Top 34%)1513(Top 14%)1513(Top 32%)
15K9.32 mi3.11 mi8623+3371470+1321470+1328115(Top 32%)1316(Top 12%)1316(Top 28%)
20K12.43 mi3.11 mi8268+3551353+1171353+1177474(Top 29%)1175(Top 11%)1175(Top 25%)
Half13.11 mi0.68 mi8256+121352+11352+18096(Top 32%)1407(Top 13%)1407(Top 30%)
25K15.53 mi2.42 mi7888+3681250+1021250+1026608(Top 26%)1016(Top 9%)1016(Top 22%)
30K18.64 mi3.11 mi7746+1421282-321282-327714(Top 30%)1657(Top 15%)1657(Top 36%)
20M20.00 mi1.36 mi7724+221315-331315-337942(Top 31%)1949(Top 18%)1949(Top 42%)
21M21.00 mi1.00 mi7847-1231421-1061421-10610770(Top 42%)3614(Top 33%)3614(Top 78%)
35K21.75 mi0.75 mi7773+741418+31418+37111(Top 28%)1799(Top 16%)1799(Top 39%)
23M23.00 mi1.25 mi7777-41481-631481-639307(Top 36%)3026(Top 28%)3026(Top 65%)
24M24.00 mi1.00 mi7782-51525-441525-449266(Top 36%)3062(Top 28%)3062(Top 66%)
40K24.85 mi0.85 mi7853-711602-771602-7710324(Top 40%)3715(Top 34%)3715(Top 80%)
25.2M25.20 mi0.35 mi7896-431646-441646-4411161(Top 44%)4154(Top 38%)4154(Top 89%)
Finish26.22 mi1.02 mi7954-581717-711717-7110193(Top 40%)3591(Top 33%)3591(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8115

Females

1316

F18-39

1316

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8703

Females

1513

F18-39

1513

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8115

Females

1316

F18-39

1316

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7474

Females

1175

F18-39

1175

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8096

Females

1407

F18-39

1407

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6608

Females

1016

F18-39

1016

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7714

Females

1657

F18-39

1657

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7942

Females

1949

F18-39

1949

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

10770

Females

3614

F18-39

3614

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7111

Females

1799

F18-39

1799

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9307

Females

3026

F18-39

3026

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9266

Females

3062

F18-39

3062

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10324

Females

3715

F18-39

3715

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11161

Females

4154

F18-39

4154

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10193

Females

3591

F18-39

3591

Passing Analysis

Category:
Athletes Passed
2645
Passed By
1316
Net Change
+1329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9283
5K10K41794+323#9283#8960
10K15K38245+337#8960#8623
15K20K39843+355#8623#8268
20KHalf3624+12#8268#8256
Half25K39224+368#8256#7888
25K30K306164+142#7888#7746
30K20M133111+22#7746#7724
20M21M96219-123#7724#7847
21M35K9925+74#7847#7773
35K23M143147-4#7773#7777
23M24M8994-5#7777#7782
24M40K67138-71#7782#7853
40K25.2M2669-43#7853#7896
25.2MFinish61119-58#7896#7954
TOTALS26451316+1329
📊

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