Karl Johnson

Bib: 6874M

AZ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M45-49)
#0 / 2252
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:48
Rank: #3625
Start5K
20:48 | 6:42/mi
10K· 6.21 mi
41:29
Rank: #3749 (-124)
5K10K
20:41 | 6:39/mi
15K· 9.32 mi
1:02:03
Rank: #3612 (+137)
10K15K
20:34 | 6:37/mi
20K· 12.43 mi
1:23:32
Rank: #4081 (-469)
15K20K
21:29 | 6:55/mi
Half· 13.11 mi
1:28:01
Rank: #4019 (+62)
20KHalf
4:29 | 6:34/mi
25K· 15.53 mi
1:44:05
Rank: #3770 (+249)
Half25K
16:04 | 6:38/mi
30K· 18.64 mi
2:04:50
Rank: #3409 (+361)
25K30K
20:45 | 6:41/mi
20M
2:13:47
Rank: #3205 (+204)
30K20M
8:57 | 6:35/mi
21M
2:20:52
Rank: #3145 (+60)
20M21M
7:05 | 7:05/mi
35K· 21.75 mi
2:26:00
Rank: #3175 (-30)
21M35K
5:08 | 6:52/mi
23M
2:34:47
Rank: #3200 (-25)
35K23M
8:47 | 7:01/mi
24M
2:42:05
Rank: #3354 (-154)
23M24M
7:18 | 7:18/mi
40K· 24.85 mi
2:48:30
Rank: #3484 (-130)
24M40K
6:25 | 7:30/mi
25.2M
2:51:13
Rank: #3523 (-39)
40K25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:59:03
Rank: #3866 (-343)
25.2MFinish
7:50 | 7:41/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
Time1:28:01
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:31:02
Pace6:57 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1220:486:4220:48
6:42
-
10K
6.21 mi10:46:5341:296:4120:41
6:39
-0:03
15K
9.32 mi11:07:271:02:036:3920:34
6:37
-0:02
20K
12.43 mi11:28:561:23:326:4321:29
6:55
+0:18
Half
13.11 mi11:33:251:28:016:434:29
6:34
-0:21
25K
15.53 mi11:49:291:44:056:4216:04
6:38
+0:04
30K
18.64 mi12:10:142:04:506:4220:45
6:41
+0:03
20M
20.00 mi12:19:112:13:476:418:57
6:35
-0:06
21M
21.00 mi12:26:162:20:526:427:05
7:05
+0:30
35K
21.75 mi12:31:242:26:006:435:08
6:52
-0:13
23M
23.00 mi12:40:112:34:476:448:47
7:01
+0:09
24M
24.00 mi12:47:292:42:056:457:18
7:18
+0:17
40K
24.85 mi12:53:542:48:306:476:25
7:30
+0:12
25.2M
25.20 mi12:56:372:51:136:482:43
7:53
+0:23
Finish
26.22 mi13:04:272:59:036:507:50
7:41
-0:12

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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:45

40% of race

Time at Steady Pace

1:16:57

43% of race

Time at Slower Pace

31:21

18% of race

Average Pace: 6:50 /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 mi10:26:1220:486:4220:48
6:42
#3625
10K
6.21 mi10:46:5341:296:4120:41
6:39
#3749
15K
9.32 mi11:07:271:02:036:3920:34
6:37
#3612
20K
12.43 mi11:28:561:23:326:4321:29
6:55
#4081
Half
13.11 mi11:33:251:28:016:434:29
6:34
#4019
25K
15.53 mi11:49:291:44:056:4216:04
6:38
#3770
30K
18.64 mi12:10:142:04:506:4220:45
6:41
#3409
20M
20.00 mi12:19:112:13:476:418:57
6:35
#3205
21M
21.00 mi12:26:162:20:526:427:05
7:05
#3145
35K
21.75 mi12:31:242:26:006:435:08
6:52
#3175
23M
23.00 mi12:40:112:34:476:448:47
7:01
#3200
24M
24.00 mi12:47:292:42:056:457:18
7:18
#3354
40K
24.85 mi12:53:542:48:306:476:25
7:30
#3484
25.2M
25.20 mi12:56:372:51:136:482:43
7:53
#3523
Finish
26.22 mi13:04:272:59:036:507:50
7:41
#3866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3625341534153456(Top 13%)3278(Top 22%)3278(Top 146%)
10K6.21 mi3.10 mi3749-1243534-1193534-1193942(Top 15%)3712(Top 24%)3712(Top 165%)
15K9.32 mi3.11 mi3612+1373414+1203414+1203456(Top 13%)3278(Top 22%)3278(Top 146%)
20K12.43 mi3.11 mi4081-4693832-4183832-4185424(Top 20%)5005(Top 33%)5005(Top 222%)
Half13.11 mi0.68 mi4019+623776+563776+563259(Top 12%)3109(Top 20%)3109(Top 138%)
25K15.53 mi2.42 mi3770+2493561+2153561+2152888(Top 11%)2759(Top 18%)2759(Top 123%)
30K18.64 mi3.11 mi3409+3613229+3323229+3322307(Top 9%)2201(Top 15%)2201(Top 98%)
20M20.00 mi1.36 mi3205+2043046+1833046+1831816(Top 7%)1732(Top 11%)1732(Top 77%)
21M21.00 mi1.00 mi3145+602985+612985+612569(Top 10%)2427(Top 16%)2427(Top 108%)
35K21.75 mi0.75 mi3175-303011-263011-264542(Top 17%)4133(Top 27%)4133(Top 184%)
23M23.00 mi1.25 mi3200-253033-223033-223860(Top 14%)3557(Top 23%)3557(Top 158%)
24M24.00 mi1.00 mi3354-1543173-1403173-1406327(Top 24%)5290(Top 35%)5290(Top 235%)
40K24.85 mi0.85 mi3484-1303292-1193292-1196704(Top 25%)5441(Top 36%)5441(Top 242%)
25.2M25.20 mi0.35 mi3523-393325-333325-335709(Top 21%)4729(Top 31%)4729(Top 210%)
Finish26.22 mi1.02 mi3866-3433628-3033628-3039841(Top 37%)7186(Top 47%)7186(Top 319%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3456

Males

3278

M45-49

3278

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3942

Males

3712

M45-49

3712

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3456

Males

3278

M45-49

3278

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5424

Males

5005

M45-49

5005

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3259

Males

3109

M45-49

3109

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2888

Males

2759

M45-49

2759

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2307

Males

2201

M45-49

2201

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1816

Males

1732

M45-49

1732

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2569

Males

2427

M45-49

2427

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4542

Males

4133

M45-49

4133

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3860

Males

3557

M45-49

3557

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6327

Males

5290

M45-49

5290

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6704

Males

5441

M45-49

5441

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5709

Males

4729

M45-49

4729

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9841

Males

7186

M45-49

7186

Passing Analysis

Category:
Athletes Passed
1427
Passed By
1668
Net Change
-241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3625
5K10K152276-124#3625#3749
10K15K18447+137#3749#3612
15K20K19488-469#3612#4081
20KHalf664+62#4081#4019
Half25K2545+249#4019#3770
25K30K3665+361#3770#3409
30K20M2095+204#3409#3205
20M21M7111+60#3205#3145
21M35K2050-30#3145#3175
35K23M4974-25#3175#3200
23M24M11165-154#3200#3354
24M40K13143-130#3354#3484
40K25.2M1049-39#3484#3523
25.2MFinish3346-343#3523#3866
TOTALS14271668-241
📊

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