Natalie Johnston

Bib: 15449F

BC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:05
Rank: #9074
Start5K
7:26/mi
23:05 split
10K· 6.21 mi
46:48
Rank: #10321 (-1247)
5K10K
7:38/mi
23:43 split
15K· 9.32 mi
1:10:28
Rank: #10589 (-268)
10K15K
7:37/mi
23:40 split
20K· 12.43 mi
1:34:08
Rank: #10472 (+117)
15K20K
7:37/mi
23:40 split
Half· 13.11 mi
1:39:18
Rank: #10490 (-18)
20KHalf
7:34/mi
5:10 split
25K· 15.53 mi
1:57:53
Rank: #10385 (+105)
Half25K
7:40/mi
18:35 split
30K· 18.64 mi
2:21:44
Rank: #10000 (+385)
25K30K
7:41/mi
23:51 split
20M
2:32:11
Rank: #9812 (+188)
30K20M
7:41/mi
10:27 split
21M
2:40:09
Rank: #9646 (+166)
20M21M
7:58/mi
7:58 split
35K· 21.75 mi
2:45:46
Rank: #9584 (+62)
21M35K
7:30/mi
5:37 split
23M
2:55:25
Rank: #9427 (+157)
35K23M
7:42/mi
9:39 split
24M
3:02:52
Rank: #9290 (+137)
23M24M
7:27/mi
7:27 split
40K· 24.85 mi
3:09:14
Rank: #9156 (+134)
24M40K
7:27/mi
6:22 split
25.2M
3:11:55
Rank: #9093 (+63)
40K25.2M
7:47/mi
2:41 split
Finish· 26.22 mi
3:18:55
Rank: #8858 (+235)
25.2MFinish
6:52/mi
7:00 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:18
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3523:057:2623:05
7:26
-
10K
6.21 mi11:17:1846:487:3223:43
7:38
+0:12
15K
9.32 mi11:40:581:10:287:3423:40
7:37
-0:01
20K
12.43 mi12:04:381:34:087:3423:40
7:37
0:00
Half
13.11 mi12:09:481:39:187:345:10
7:34
-0:03
25K
15.53 mi12:28:231:57:537:3518:35
7:40
+0:06
30K
18.64 mi12:52:142:21:447:3623:51
7:41
+0:01
20M
20.00 mi13:02:412:32:117:3710:27
7:41
0:00
21M
21.00 mi13:10:392:40:097:387:58
7:58
+0:17
35K
21.75 mi13:16:162:45:467:375:37
7:30
-0:28
23M
23.00 mi13:25:552:55:257:389:39
7:42
+0:12
24M
24.00 mi13:33:223:02:527:377:27
7:27
-0:15
40K
24.85 mi13:39:443:09:147:376:22
7:27
0:00
25.2M
25.20 mi13:42:253:11:557:372:41
7:47
+0:20
Finish
26.22 mi13:49:253:18:557:367:00
6:52
-0:55

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

6:52 /mi

Average Pace

7:36 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:31

25% of race

Time at Steady Pace

2:29:24

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:53:3523:057:2623:05
7:26
#9074
10K
6.21 mi11:17:1846:487:3223:43
7:38
#10321
15K
9.32 mi11:40:581:10:287:3423:40
7:37
#10589
20K
12.43 mi12:04:381:34:087:3423:40
7:37
#10472
Half
13.11 mi12:09:481:39:187:345:10
7:34
#10490
25K
15.53 mi12:28:231:57:537:3518:35
7:40
#10385
30K
18.64 mi12:52:142:21:447:3623:51
7:41
#10000
20M
20.00 mi13:02:412:32:117:3710:27
7:41
#9812
21M
21.00 mi13:10:392:40:097:387:58
7:58
#9646
35K
21.75 mi13:16:162:45:467:375:37
7:30
#9584
23M
23.00 mi13:25:552:55:257:389:39
7:42
#9427
24M
24.00 mi13:33:223:02:527:377:27
7:27
#9290
40K
24.85 mi13:39:443:09:147:376:22
7:27
#9156
25.2M
25.20 mi13:42:253:11:557:372:41
7:47
#9093
Finish
26.22 mi13:49:253:18:557:367:00
6:52
#8858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi90741421142111166(Top 42%)2434(Top 21%)2434(Top 50%)
10K6.21 mi3.10 mi10321-12471985-5641985-56411641(Top 44%)2666(Top 23%)2666(Top 55%)
15K9.32 mi3.11 mi10589-2682115-1302115-13011166(Top 42%)2434(Top 21%)2434(Top 50%)
20K12.43 mi3.11 mi10472+1172055+602055+6010223(Top 38%)2008(Top 18%)2008(Top 41%)
Half13.11 mi0.68 mi10490-182063-82063-810834(Top 41%)2263(Top 20%)2263(Top 46%)
25K15.53 mi2.42 mi10385+1052035+282035+2810039(Top 38%)2015(Top 18%)2015(Top 41%)
30K18.64 mi3.11 mi10000+3851891+1441891+1448492(Top 32%)1503(Top 13%)1503(Top 31%)
20M20.00 mi1.36 mi9812+1881833+581833+588132(Top 31%)1453(Top 13%)1453(Top 30%)
21M21.00 mi1.00 mi9646+1661783+501783+507179(Top 27%)1204(Top 11%)1204(Top 25%)
35K21.75 mi0.75 mi9584+621777+61777+68610(Top 32%)1729(Top 15%)1729(Top 35%)
23M23.00 mi1.25 mi9427+1571737+401737+407793(Top 29%)1491(Top 13%)1491(Top 31%)
24M24.00 mi1.00 mi9290+1371711+261711+267395(Top 28%)1442(Top 13%)1442(Top 30%)
40K24.85 mi0.85 mi9156+1341679+321679+326410(Top 24%)1128(Top 10%)1128(Top 23%)
25.2M25.20 mi0.35 mi9093+631660+191660+195385(Top 20%)877(Top 8%)877(Top 18%)
Finish26.22 mi1.02 mi8858+2351581+791581+794492(Top 17%)585(Top 5%)585(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11166

Females

2434

F18-39

2434

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11641

Females

2666

F18-39

2666

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11166

Females

2434

F18-39

2434

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10223

Females

2008

F18-39

2008

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10834

Females

2263

F18-39

2263

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10039

Females

2015

F18-39

2015

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8492

Females

1503

F18-39

1503

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8132

Females

1453

F18-39

1453

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7179

Females

1204

F18-39

1204

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8610

Females

1729

F18-39

1729

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7793

Females

1491

F18-39

1491

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7395

Females

1442

F18-39

1442

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6410

Females

1128

F18-39

1128

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5385

Females

877

F18-39

877

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4492

Females

585

F18-39

585

Passing Analysis

Category:
Athletes Passed
2173*
Passed By
1956
Net Change
+216
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9074
5K10K371283-1247#9074#10321
10K15K93361-268#10321#10589
15K20K21093+117#10589#10472
20KHalf2846-18#10472#10490
Half25K18378+105#10490#10385
25K30K406*21+385#10385#10000
30K20M195*7+188#10000#9812
20M21M18418+166#9812#9646
21M35K7513+62#9646#9584
35K23M17215+157#9584#9427
23M24M15013+137#9427#9290
24M40K1384+134#9290#9156
40K25.2M663+63#9156#9093
25.2MFinish2361+235#9093#8858
TOTALS2173*1956+216

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing