Katherine Johnson

Bib: 28226F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:16
Rank: #26497
Start5K
32:16 | 10:23/mi
10K· 6.21 mi
1:07:14
Rank: #27062 (-565)
5K10K
34:58 | 11:15/mi
15K· 9.32 mi
1:43:25
Rank: #27193 (-131)
10K15K
36:11 | 11:39/mi
20K· 12.43 mi
2:22:03
Rank: #27315 (-122)
15K20K
38:38 | 12:26/mi
Half· 13.11 mi
2:30:19
Rank: #27327 (-12)
20KHalf
8:16 | 12:07/mi
25K· 15.53 mi
3:00:58
Rank: #27257 (+70)
Half25K
30:39 | 12:38/mi
30K· 18.64 mi
3:44:57
Rank: #27361 (-104)
25K30K
43:59 | 14:09/mi
20M
4:05:17
Rank: #27426 (-65)
30K20M
20:20 | 14:58/mi
21M
4:20:50
Rank: #27443 (-17)
20M21M
15:33 | 15:33/mi
35K· 21.75 mi
4:31:25
Rank: #27478 (-35)
21M35K
10:35 | 14:09/mi
23M
4:50:03
Rank: #27524 (-46)
35K23M
18:38 | 14:53/mi
24M
5:03:57
Rank: #27542 (-18)
23M24M
13:54 | 13:54/mi
40K· 24.85 mi
5:15:55
Rank: #27539 (+3)
24M40K
11:58 | 14:00/mi
25.2M
5:20:38
Rank: #27522 (+17)
40K25.2M
4:43 | 13:41/mi
Finish· 26.22 mi
5:32:39
Rank: #27505 (+17)
25.2MFinish
12:01 | 11:48/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:19
Pace11:28 /mi
2nd Half
Distance13.11 mi
Time3:02:20
Pace13:55 /mi
📊Positive Split: 21.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3832:1610:2332:16
10:23
-
10K
6.21 mi12:26:361:07:1410:4934:58
11:15
+0:52
15K
9.32 mi13:02:471:43:2511:0636:11
11:39
+0:24
20K
12.43 mi13:41:252:22:0311:2638:38
12:26
+0:47
Half
13.11 mi13:49:412:30:1911:288:16
12:07
-0:19
25K
15.53 mi14:20:203:00:5811:3930:39
12:38
+0:31
30K
18.64 mi15:04:193:44:5712:0443:59
14:09
+1:31
20M
20.00 mi15:24:394:05:1712:1620:20
14:58
+0:49
21M
21.00 mi15:40:124:20:5012:2515:33
15:33
+0:35
35K
21.75 mi15:50:474:31:2512:2910:35
14:09
-1:24
23M
23.00 mi16:09:254:50:0312:3718:38
14:53
+0:44
24M
24.00 mi16:23:195:03:5712:4013:54
13:54
-0:59
40K
24.85 mi16:35:175:15:5512:4311:58
14:00
+0:06
25.2M
25.20 mi16:40:005:20:3812:434:43
13:41
-0:19
Finish
26.22 mi16:52:015:32:3912:4212:01
11:48
-1:53

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

10:23 /mi

Average Pace

12:42 /mi

Slowest Pace

15:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:59

58% of race

Time at Steady Pace

1:25:09

26% of race

Time at Slower Pace

54:31

16% of race

Average Pace: 12:41 /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 mi11:51:3832:1610:2332:16
10:23
#26497
10K
6.21 mi12:26:361:07:1410:4934:58
11:15
#27062
15K
9.32 mi13:02:471:43:2511:0636:11
11:39
#27193
20K
12.43 mi13:41:252:22:0311:2638:38
12:26
#27315
Half
13.11 mi13:49:412:30:1911:288:16
12:07
#27327
25K
15.53 mi14:20:203:00:5811:3930:39
12:38
#27257
30K
18.64 mi15:04:193:44:5712:0443:59
14:09
#27361
20M
20.00 mi15:24:394:05:1712:1620:20
14:58
#27426
21M
21.00 mi15:40:124:20:5012:2515:33
15:33
#27443
35K
21.75 mi15:50:474:31:2512:2910:35
14:09
#27478
23M
23.00 mi16:09:254:50:0312:3718:38
14:53
#27524
24M
24.00 mi16:23:195:03:5712:4013:54
13:54
#27542
40K
24.85 mi16:35:175:15:5512:4311:58
14:00
#27539
25.2M
25.20 mi16:40:005:20:3812:434:43
13:41
#27522
Finish
26.22 mi16:52:015:32:3912:4212:01
11:48
#27505
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26497110371103727369(Top 96%)11603(Top 95%)11603(Top 675%)
10K6.21 mi3.10 mi27062-56511384-34711384-34727336(Top 96%)11570(Top 95%)11570(Top 673%)
15K9.32 mi3.11 mi27193-13111464-8011464-8027369(Top 96%)11603(Top 95%)11603(Top 675%)
20K12.43 mi3.11 mi27315-12211549-8511549-8527468(Top 97%)11684(Top 96%)11684(Top 680%)
Half13.11 mi0.68 mi27327-1211559-1011559-1027533(Top 97%)11733(Top 96%)11733(Top 683%)
25K15.53 mi2.42 mi27257+7011534+2511534+2527034(Top 95%)11448(Top 94%)11448(Top 666%)
30K18.64 mi3.11 mi27361-10411624-9011624-9027618(Top 97%)11846(Top 97%)11846(Top 690%)
20M20.00 mi1.36 mi27426-6511661-3711661-3727847(Top 98%)11986(Top 98%)11986(Top 698%)
21M21.00 mi1.00 mi27443-1711674-1311674-1327567(Top 97%)11845(Top 97%)11845(Top 689%)
35K21.75 mi0.75 mi27478-3511703-2911703-2927753(Top 98%)11987(Top 98%)11987(Top 698%)
23M23.00 mi1.25 mi27524-4611735-3211735-3227867(Top 98%)12033(Top 98%)12033(Top 700%)
24M24.00 mi1.00 mi27542-1811750-1511750-1527587(Top 97%)11930(Top 98%)11930(Top 694%)
40K24.85 mi0.85 mi27539+311751-111751-127173(Top 96%)11728(Top 96%)11728(Top 683%)
25.2M25.20 mi0.35 mi27522+1711740+1111740+1125883(Top 91%)11133(Top 91%)11133(Top 648%)
Finish26.22 mi1.02 mi27505+1711738+211738+226533(Top 93%)11408(Top 93%)11408(Top 664%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27369

Females

11603

F40-44

11603

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27336

Females

11570

F40-44

11570

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27369

Females

11603

F40-44

11603

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27468

Females

11684

F40-44

11684

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27533

Females

11733

F40-44

11733

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27034

Females

11448

F40-44

11448

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27618

Females

11846

F40-44

11846

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27847

Females

11986

F40-44

11986

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27567

Females

11845

F40-44

11845

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27753

Females

11987

F40-44

11987

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27867

Females

12033

F40-44

12033

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27587

Females

11930

F40-44

11930

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27173

Females

11728

F40-44

11728

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25883

Females

11133

F40-44

11133

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26533

Females

11408

F40-44

11408

Passing Analysis

Category:
Athletes Passed
452
Passed By
1460
Net Change
-1008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26497
5K10K37602-565#26497#27062
10K15K67198-131#27062#27193
15K20K61183-122#27193#27315
20KHalf1123-12#27315#27327
Half25K11141+70#27327#27257
25K30K50154-104#27257#27361
30K20M1378-65#27361#27426
20M21M1835-17#27426#27443
21M35K439-35#27443#27478
35K23M854-46#27478#27524
23M24M1028-18#27524#27542
24M40K2118+3#27542#27539
40K25.2M170+17#27539#27522
25.2MFinish247+17#27522#27505
TOTALS4521460-1008
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing