Natalie Johnston

Bib: 20235F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 18%
Division (F40-44)
#0 / 1718
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:40
Rank: #20362
Start5K
8:35/mi
26:40 split
10K· 6.21 mi
52:31
Rank: #19545 (+817)
5K10K
8:19/mi
25:51 split
15K· 9.32 mi
1:17:38
Rank: #18586 (+959)
10K15K
8:05/mi
25:07 split
20K· 12.43 mi
1:42:09
Rank: #17477 (+1109)
15K20K
7:53/mi
24:31 split
Half· 13.11 mi
1:47:29
Rank: #17318 (+159)
20KHalf
7:49/mi
5:20 split
25K· 15.53 mi
2:06:20
Rank: #16526 (+792)
Half25K
7:46/mi
18:51 split
30K· 18.64 mi
2:31:09
Rank: #15569 (+957)
25K30K
7:59/mi
24:49 split
20M
2:42:03
Rank: #15161 (+408)
30K20M
8:01/mi
10:54 split
21M
2:50:29
Rank: #14798 (+363)
20M21M
8:26/mi
8:26 split
35K· 21.75 mi
2:56:21
Rank: #14645 (+153)
21M35K
7:51/mi
5:52 split
23M
3:06:15
Rank: #14330 (+315)
35K23M
7:54/mi
9:54 split
24M
3:13:57
Rank: #14064 (+266)
23M24M
7:42/mi
7:42 split
40K· 24.85 mi
3:20:32
Rank: #13786 (+278)
24M40K
7:42/mi
6:35 split
25.2M
3:23:06
Rank: #13585 (+201)
40K25.2M
7:28/mi
2:34 split
Finish· 26.22 mi
3:30:43
Rank: #13398 (+187)
25.2MFinish
7:28/mi
7:37 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:29
Pace8:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
📊Negative Split: 4.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1226:408:3526:40
8:35
-
10K
6.21 mi11:45:0352:318:2725:51
8:19
-0:16
15K
9.32 mi12:10:101:17:388:2025:07
8:05
-0:14
20K
12.43 mi12:34:411:42:098:1324:31
7:53
-0:12
Half
13.11 mi12:40:011:47:298:125:20
7:49
-0:04
25K
15.53 mi12:58:522:06:208:0818:51
7:46
-0:03
30K
18.64 mi13:23:412:31:098:0724:49
7:59
+0:13
20M
20.00 mi13:34:352:42:038:0610:54
8:01
+0:02
21M
21.00 mi13:43:012:50:298:078:26
8:26
+0:25
35K
21.75 mi13:48:532:56:218:075:52
7:51
-0:35
23M
23.00 mi13:58:473:06:158:069:54
7:54
+0:03
24M
24.00 mi14:06:293:13:578:057:42
7:42
-0:12
40K
24.85 mi14:13:043:20:328:046:35
7:42
0:00
25.2M
25.20 mi14:15:383:23:068:042:34
7:28
-0:14
Finish
26.22 mi14:23:153:30:438:037:37
7:28
0:00

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

7:28 /mi

Average Pace

8:03 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:46

71% of race

Time at Steady Pace

1:00:57

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:19:1226:408:3526:40
8:35
#20362
10K
6.21 mi11:45:0352:318:2725:51
8:19
#19545
15K
9.32 mi12:10:101:17:388:2025:07
8:05
#18586
20K
12.43 mi12:34:411:42:098:1324:31
7:53
#17477
Half
13.11 mi12:40:011:47:298:125:20
7:49
#17318
25K
15.53 mi12:58:522:06:208:0818:51
7:46
#16526
30K
18.64 mi13:23:412:31:098:0724:49
7:59
#15569
20M
20.00 mi13:34:352:42:038:0610:54
8:01
#15161
21M
21.00 mi13:43:012:50:298:078:26
8:26
#14798
35K
21.75 mi13:48:532:56:218:075:52
7:51
#14645
23M
23.00 mi13:58:473:06:158:069:54
7:54
#14330
24M
24.00 mi14:06:293:13:578:057:42
7:42
#14064
40K
24.85 mi14:13:043:20:328:046:35
7:42
#13786
25.2M
25.20 mi14:15:383:23:068:042:34
7:28
#13585
Finish
26.22 mi14:23:153:30:438:037:37
7:28
#13398
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi203627720772016638(Top 59%)5518(Top 45%)5518(Top 321%)
10K6.21 mi3.10 mi19545+8177207+5137207+51318674(Top 66%)6689(Top 55%)6689(Top 389%)
15K9.32 mi3.11 mi18586+9596670+5376670+53716638(Top 59%)5518(Top 45%)5518(Top 321%)
20K12.43 mi3.11 mi17477+11096019+6516019+65114018(Top 49%)4106(Top 34%)4106(Top 239%)
Half13.11 mi0.68 mi17318+1595935+845935+8414445(Top 51%)4310(Top 35%)4310(Top 251%)
25K15.53 mi2.42 mi16526+7925473+4625473+46212166(Top 43%)3208(Top 26%)3208(Top 187%)
30K18.64 mi3.11 mi15569+9574978+4954978+49511305(Top 40%)2937(Top 24%)2937(Top 171%)
20M20.00 mi1.36 mi15161+4084791+1874791+18710624(Top 37%)2762(Top 23%)2762(Top 161%)
21M21.00 mi1.00 mi14798+3634608+1834608+18310102(Top 36%)2668(Top 22%)2668(Top 155%)
35K21.75 mi0.75 mi14645+1534531+774531+7711194(Top 39%)3220(Top 26%)3220(Top 187%)
23M23.00 mi1.25 mi14330+3154392+1394392+1399394(Top 33%)2461(Top 20%)2461(Top 143%)
24M24.00 mi1.00 mi14064+2664298+944298+949064(Top 32%)2372(Top 19%)2372(Top 138%)
40K24.85 mi0.85 mi13786+2784175+1234175+1238149(Top 29%)2076(Top 17%)2076(Top 121%)
25.2M25.20 mi0.35 mi13585+2014062+1134062+1133259(Top 11%)396(Top 3%)396(Top 23%)
Finish26.22 mi1.02 mi13398+1873984+783984+788956(Top 32%)2530(Top 21%)2530(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16638

Females

5518

F40-44

5518

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

18674

Females

6689

F40-44

6689

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16638

Females

5518

F40-44

5518

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

14018

Females

4106

F40-44

4106

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14445

Females

4310

F40-44

4310

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12166

Females

3208

F40-44

3208

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11305

Females

2937

F40-44

2937

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10624

Females

2762

F40-44

2762

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10102

Females

2668

F40-44

2668

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11194

Females

3220

F40-44

3220

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9394

Females

2461

F40-44

2461

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9064

Females

2372

F40-44

2372

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8149

Females

2076

F40-44

2076

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3259

Females

396

F40-44

396

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8956

Females

2530

F40-44

2530

Passing Analysis

Category:
Athletes Passed
7065
Passed By
101
Net Change
+6964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20362
5K10K87659+817#20362#19545
10K15K9656+959#19545#18586
15K20K11090+1109#18586#17477
20KHalf1612+159#17477#17318
Half25K7931+792#17318#16526
25K30K9581+957#16526#15569
30K20M4080+408#15569#15161
20M21M3696+363#15161#14798
21M35K1618+153#14798#14645
35K23M3172+315#14645#14330
23M24M2726+266#14330#14064
24M40K2791+278#14064#13786
40K25.2M2010+201#13786#13585
25.2MFinish1969+187#13585#13398
TOTALS7065101+6964
📊

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