Natalie Cook

Bib: 10412F

IL

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 30%
Gender (Female)
#0 / 10924
Top 15%
Division (F18-39)
#0 / 4660
Top 27%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:32
Rank: #8834
Start5K
7:15/mi
22:32 split
10K· 6.21 mi
44:58
Rank: #8422 (+412)
5K10K
7:13/mi
22:26 split
15K· 9.32 mi
1:07:25
Rank: #8094 (+328)
10K15K
7:14/mi
22:27 split
20K· 12.43 mi
1:30:53
Rank: #8222 (-128)
15K20K
7:33/mi
23:28 split
Half· 13.11 mi
1:36:09
Rank: #8348 (-126)
20KHalf
7:43/mi
5:16 split
25K· 15.53 mi
1:55:16
Rank: #8478 (-130)
Half25K
7:53/mi
19:07 split
30K· 18.64 mi
2:20:21
Rank: #8345 (+133)
25K30K
8:04/mi
25:05 split
20M
2:32:05
Rank: #8458 (-113)
30K20M
8:38/mi
11:44 split
21M
2:41:17
Rank: #8457 (+1)
20M21M
9:12/mi
9:12 split
35K· 21.75 mi
2:47:37
Rank: #8472 (-15)
21M35K
8:28/mi
6:20 split
23M
2:58:07
Rank: #8345 (+127)
35K23M
8:23/mi
10:30 split
24M
3:06:12
Rank: #8236 (+109)
23M24M
8:05/mi
8:05 split
40K· 24.85 mi
3:13:03
Rank: #8080 (+156)
24M40K
8:01/mi
6:51 split
25.2M
3:16:05
Rank: #8009 (+71)
40K25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:23:34
Rank: #7791 (+218)
25.2MFinish
7:21/mi
7:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:09
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:47:25
Pace8:12 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3722:327:1522:32
7:15
-
10K
6.21 mi11:12:0344:587:1422:26
7:13
-0:02
15K
9.32 mi11:34:301:07:257:1422:27
7:14
+0:01
20K
12.43 mi11:57:581:30:537:1923:28
7:33
+0:19
Half
13.11 mi12:03:141:36:097:205:16
7:43
+0:10
25K
15.53 mi12:22:211:55:167:2519:07
7:53
+0:10
30K
18.64 mi12:47:262:20:217:3225:05
8:04
+0:11
20M
20.00 mi12:59:102:32:057:3611:44
8:38
+0:34
21M
21.00 mi13:08:222:41:177:419:12
9:12
+0:34
35K
21.75 mi13:14:422:47:377:426:20
8:28
-0:44
23M
23.00 mi13:25:122:58:077:4510:30
8:23
-0:05
24M
24.00 mi13:33:173:06:127:468:05
8:05
-0:18
40K
24.85 mi13:40:083:13:037:466:51
8:01
-0:04
25.2M
25.20 mi13:43:103:16:057:473:02
8:48
+0:47
Finish
26.22 mi13:50:393:23:347:467:29
7:21
-1:27

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

7:13 /mi

Average Pace

7:46 /mi

Slowest Pace

9:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:38

51% of race

Time at Steady Pace

59:08

29% of race

Time at Slower Pace

40:48

20% 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 mi10:49:3722:327:1522:32
7:15
#8834
10K
6.21 mi11:12:0344:587:1422:26
7:13
#8422
15K
9.32 mi11:34:301:07:257:1422:27
7:14
#8094
20K
12.43 mi11:57:581:30:537:1923:28
7:33
#8222
Half
13.11 mi12:03:141:36:097:205:16
7:43
#8348
25K
15.53 mi12:22:211:55:167:2519:07
7:53
#8478
30K
18.64 mi12:47:262:20:217:3225:05
8:04
#8345
20M
20.00 mi12:59:102:32:057:3611:44
8:38
#8458
21M
21.00 mi13:08:222:41:177:419:12
9:12
#8457
35K
21.75 mi13:14:422:47:377:426:20
8:28
#8472
23M
23.00 mi13:25:122:58:077:4510:30
8:23
#8345
24M
24.00 mi13:33:173:06:127:468:05
8:05
#8236
40K
24.85 mi13:40:083:13:037:466:51
8:01
#8080
25.2M
25.20 mi13:43:103:16:057:473:02
8:48
#8009
Finish
26.22 mi13:50:393:23:347:467:29
7:21
#7791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8834151015107662(Top 30%)1133(Top 10%)1133(Top 24%)
10K6.21 mi3.10 mi8422+4121386+1241386+1248085(Top 32%)1280(Top 12%)1280(Top 27%)
15K9.32 mi3.11 mi8094+3281264+1221264+1227662(Top 30%)1133(Top 10%)1133(Top 24%)
20K12.43 mi3.11 mi8222-1281334-701334-708774(Top 34%)1714(Top 16%)1714(Top 37%)
Half13.11 mi0.68 mi8348-1261391-571391-5710755(Top 42%)2652(Top 24%)2652(Top 57%)
25K15.53 mi2.42 mi8478-1301494-1031494-1039438(Top 37%)2207(Top 20%)2207(Top 47%)
30K18.64 mi3.11 mi8345+1331534-401534-408307(Top 33%)1896(Top 17%)1896(Top 41%)
20M20.00 mi1.36 mi8458-1131632-981632-9810180(Top 40%)3032(Top 28%)3032(Top 65%)
21M21.00 mi1.00 mi8457+11685-531685-539496(Top 37%)2943(Top 27%)2943(Top 63%)
35K21.75 mi0.75 mi8472-151725-401725-4010535(Top 41%)3495(Top 32%)3495(Top 75%)
23M23.00 mi1.25 mi8345+1271738-131738-137841(Top 31%)2313(Top 21%)2313(Top 50%)
24M24.00 mi1.00 mi8236+1091731+71731+77115(Top 28%)2051(Top 19%)2051(Top 44%)
40K24.85 mi0.85 mi8080+1561709+221709+225883(Top 23%)1606(Top 15%)1606(Top 34%)
25.2M25.20 mi0.35 mi8009+711700+91700+95705(Top 22%)1576(Top 14%)1576(Top 34%)
Finish26.22 mi1.02 mi7791+2181649+511649+514768(Top 19%)1089(Top 10%)1089(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7662

Females

1133

F18-39

1133

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8085

Females

1280

F18-39

1280

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7662

Females

1133

F18-39

1133

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8774

Females

1714

F18-39

1714

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10755

Females

2652

F18-39

2652

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9438

Females

2207

F18-39

2207

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8307

Females

1896

F18-39

1896

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10180

Females

3032

F18-39

3032

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9496

Females

2943

F18-39

2943

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10535

Females

3495

F18-39

3495

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

7841

Females

2313

F18-39

2313

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7115

Females

2051

F18-39

2051

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5883

Females

1606

F18-39

1606

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5705

Females

1576

F18-39

1576

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4768

Females

1089

F18-39

1089

Passing Analysis

Category:
Athletes Passed
2604
Passed By
1561
Net Change
+1043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8834
5K10K49381+412#8834#8422
10K15K35729+328#8422#8094
15K20K153281-128#8094#8222
20KHalf5131-126#8222#8348
Half25K163293-130#8348#8478
25K30K331198+133#8478#8345
30K20M96209-113#8345#8458
20M21M123122+1#8458#8457
21M35K7388-15#8457#8472
35K23M19770+127#8472#8345
23M24M14233+109#8345#8236
24M40K16711+156#8236#8080
40K25.2M809+71#8080#8009
25.2MFinish2246+218#8009#7791
TOTALS26041561+1043
📊

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