John Byrne

Bib: 9240M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #8964
Start5K
22:11 | 7:08/mi
10K· 6.21 mi
44:59
Rank: #9793 (-829)
5K10K
22:48 | 7:20/mi
15K· 9.32 mi
1:07:37
Rank: #9790 (+3)
10K15K
22:38 | 7:17/mi
20K· 12.43 mi
1:30:55
Rank: #10006 (-216)
15K20K
23:18 | 7:30/mi
Half· 13.11 mi
1:36:03
Rank: #10109 (-103)
20KHalf
5:08 | 7:31/mi
25K· 15.53 mi
1:55:49
Rank: #10937 (-828)
Half25K
19:46 | 8:09/mi
30K· 18.64 mi
2:20:17
Rank: #10810 (+127)
25K30K
24:28 | 7:53/mi
20M
2:31:13
Rank: #10770 (+40)
30K20M
10:56 | 8:03/mi
21M
2:39:40
Rank: #10699 (+71)
20M21M
8:27 | 8:27/mi
35K· 21.75 mi
2:45:32
Rank: #10694 (+5)
21M35K
5:52 | 7:51/mi
23M
2:55:36
Rank: #10626 (+68)
35K23M
10:04 | 8:02/mi
24M
3:03:22
Rank: #10547 (+79)
23M24M
7:46 | 7:46/mi
40K· 24.85 mi
3:10:08
Rank: #10483 (+64)
24M40K
6:46 | 7:55/mi
25.2M
3:13:08
Rank: #10454 (+29)
40K25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:20:49
Rank: #10384 (+70)
25.2MFinish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:44:46
Pace8:00 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3222:117:0822:11
7:08
-
10K
6.21 mi11:10:2044:597:1422:48
7:20
+0:12
15K
9.32 mi11:32:581:07:377:1522:38
7:17
-0:03
20K
12.43 mi11:56:161:30:557:1923:18
7:30
+0:13
Half
13.11 mi12:01:241:36:037:205:08
7:31
+0:01
25K
15.53 mi12:21:101:55:497:2719:46
8:09
+0:38
30K
18.64 mi12:45:382:20:177:3224:28
7:53
-0:16
20M
20.00 mi12:56:342:31:137:3410:56
8:03
+0:10
21M
21.00 mi13:05:012:39:407:368:27
8:27
+0:24
35K
21.75 mi13:10:532:45:327:375:52
7:51
-0:36
23M
23.00 mi13:20:572:55:367:3810:04
8:02
+0:11
24M
24.00 mi13:28:433:03:227:387:46
7:46
-0:16
40K
24.85 mi13:35:293:10:087:396:46
7:55
+0:09
25.2M
25.20 mi13:38:293:13:087:403:00
8:42
+0:47
Finish
26.22 mi13:46:103:20:497:407:41
7:32
-1:10

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

7:08 /mi

Average Pace

7:40 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:44

52% of race

Time at Steady Pace

1:05:52

33% of race

Time at Slower Pace

31:13

16% of race

Average Pace: 7:40 /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 mi10:47:3222:117:0822:11
7:08
#8964
10K
6.21 mi11:10:2044:597:1422:48
7:20
#9793
15K
9.32 mi11:32:581:07:377:1522:38
7:17
#9790
20K
12.43 mi11:56:161:30:557:1923:18
7:30
#10006
Half
13.11 mi12:01:241:36:037:205:08
7:31
#10109
25K
15.53 mi12:21:101:55:497:2719:46
8:09
#10937
30K
18.64 mi12:45:382:20:177:3224:28
7:53
#10810
20M
20.00 mi12:56:342:31:137:3410:56
8:03
#10770
21M
21.00 mi13:05:012:39:407:368:27
8:27
#10699
35K
21.75 mi13:10:532:45:327:375:52
7:51
#10694
23M
23.00 mi13:20:572:55:367:3810:04
8:02
#10626
24M
24.00 mi13:28:433:03:227:387:46
7:46
#10547
40K
24.85 mi13:35:293:10:087:396:46
7:55
#10483
25.2M
25.20 mi13:38:293:13:087:403:00
8:42
#10454
Finish
26.22 mi13:46:103:20:497:407:41
7:32
#10384
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8964759075909873(Top 35%)8015(Top 50%)8015(Top 357%)
10K6.21 mi3.10 mi9793-8298061-4718061-47110640(Top 37%)8480(Top 53%)8480(Top 377%)
15K9.32 mi3.11 mi9790+38024+378024+379873(Top 35%)8015(Top 50%)8015(Top 357%)
20K12.43 mi3.11 mi10006-2168109-858109-8510754(Top 38%)8380(Top 52%)8380(Top 373%)
Half13.11 mi0.68 mi10109-1038161-528161-5211833(Top 42%)8941(Top 56%)8941(Top 398%)
25K15.53 mi2.42 mi10937-8288553-3928553-39214970(Top 53%)10203(Top 63%)10203(Top 454%)
30K18.64 mi3.11 mi10810+1278413+1408413+14010450(Top 37%)7908(Top 49%)7908(Top 352%)
20M20.00 mi1.36 mi10770+408346+678346+6710719(Top 38%)7896(Top 49%)7896(Top 351%)
21M21.00 mi1.00 mi10699+718277+698277+6910145(Top 36%)7442(Top 46%)7442(Top 331%)
35K21.75 mi0.75 mi10694+58260+178260+1711087(Top 39%)7898(Top 49%)7898(Top 351%)
23M23.00 mi1.25 mi10626+688186+748186+7410305(Top 36%)7389(Top 46%)7389(Top 329%)
24M24.00 mi1.00 mi10547+798108+788108+789551(Top 34%)6943(Top 43%)6943(Top 309%)
40K24.85 mi0.85 mi10483+648052+568052+569544(Top 34%)6818(Top 42%)6818(Top 303%)
25.2M25.20 mi0.35 mi10454+298017+358017+359955(Top 35%)6931(Top 43%)6931(Top 308%)
Finish26.22 mi1.02 mi10384+707950+677950+679466(Top 33%)6694(Top 42%)6694(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9873

Males

8015

M40-44

8015

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10640

Males

8480

M40-44

8480

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9873

Males

8015

M40-44

8015

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10754

Males

8380

M40-44

8380

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11833

Males

8941

M40-44

8941

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14970

Males

10203

M40-44

10203

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10450

Males

7908

M40-44

7908

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10719

Males

7896

M40-44

7896

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10145

Males

7442

M40-44

7442

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11087

Males

7898

M40-44

7898

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10305

Males

7389

M40-44

7389

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9551

Males

6943

M40-44

6943

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9544

Males

6818

M40-44

6818

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9955

Males

6931

M40-44

6931

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9466

Males

6694

M40-44

6694

Passing Analysis

Category:
Athletes Passed
1523
Passed By
2939
Net Change
-1420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8964
5K10K45873-829#8964#9793
10K15K177173+3#9793#9790
15K20K123337-216#9790#10006
20KHalf9112-103#10006#10109
Half25K40868-828#10109#10937
25K30K302175+127#10937#10810
30K20M13090+40#10810#10770
20M21M12958+71#10770#10699
21M35K5247+5#10699#10694
35K23M13769+68#10694#10626
23M24M11536+79#10626#10547
24M40K9430+64#10547#10483
40K25.2M5425+29#10483#10454
25.2MFinish11646+70#10454#10384
TOTALS15232939-1420
📊

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