John Bird

Bib: 10940M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M45-49)
#0 / 2386
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #12117
Start5K
7:29/mi
23:16 split
10K· 6.21 mi
46:29
Rank: #11954 (+163)
5K10K
7:28/mi
23:13 split
15K· 9.32 mi
1:09:46
Rank: #11853 (+101)
10K15K
7:30/mi
23:17 split
20K· 12.43 mi
1:33:09
Rank: #11589 (+264)
15K20K
7:32/mi
23:23 split
Half· 13.11 mi
1:38:09
Rank: #11523 (+66)
20KHalf
7:20/mi
5:00 split
25K· 15.53 mi
1:56:27
Rank: #11295 (+228)
Half25K
7:33/mi
18:18 split
30K· 18.64 mi
2:20:38
Rank: #10979 (+316)
25K30K
7:47/mi
24:11 split
20M
2:31:03
Rank: #10712 (+267)
30K20M
7:40/mi
10:25 split
21M
2:39:08
Rank: #10506 (+206)
20M21M
8:05/mi
8:05 split
35K· 21.75 mi
2:44:28
Rank: #10293 (+213)
21M35K
7:08/mi
5:20 split
23M
2:53:31
Rank: #9891 (+402)
35K23M
7:14/mi
9:03 split
24M
3:00:33
Rank: #9579 (+312)
23M24M
7:02/mi
7:02 split
40K· 24.85 mi
3:06:39
Rank: #9319 (+260)
24M40K
7:08/mi
6:06 split
25.2M
3:09:17
Rank: #9187 (+132)
40K25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
3:16:14
Rank: #8931 (+256)
25.2MFinish
6:49/mi
6:57 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:09
Pace7:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:05
Pace7:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2523:167:2923:16
7:29
-
10K
6.21 mi11:13:3846:297:2923:13
7:28
-0:01
15K
9.32 mi11:36:551:09:467:2923:17
7:30
+0:02
20K
12.43 mi12:00:181:33:097:3023:23
7:32
+0:02
Half
13.11 mi12:05:181:38:097:295:00
7:20
-0:12
25K
15.53 mi12:23:361:56:277:3018:18
7:33
+0:13
30K
18.64 mi12:47:472:20:387:3324:11
7:47
+0:14
20M
20.00 mi12:58:122:31:037:3310:25
7:40
-0:07
21M
21.00 mi13:06:172:39:087:358:05
8:05
+0:25
35K
21.75 mi13:11:372:44:287:345:20
7:08
-0:57
23M
23.00 mi13:20:402:53:317:339:03
7:14
+0:06
24M
24.00 mi13:27:423:00:337:317:02
7:02
-0:12
40K
24.85 mi13:33:483:06:397:316:06
7:08
+0:06
25.2M
25.20 mi13:36:263:09:177:312:38
7:38
+0:30
Finish
26.22 mi13:43:233:16:147:296:57
6:49
-0:49

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

6:49 /mi

Average Pace

7:29 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:57

44% of race

Time at Steady Pace

1:42:12

52% of race

Time at Slower Pace

8:05

4% of race

Average Pace: 7:29 /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 mi10:50:2523:167:2923:16
7:29
#12117
10K
6.21 mi11:13:3846:297:2923:13
7:28
#11954
15K
9.32 mi11:36:551:09:467:2923:17
7:30
#11853
20K
12.43 mi12:00:181:33:097:3023:23
7:32
#11589
Half
13.11 mi12:05:181:38:097:295:00
7:20
#11523
25K
15.53 mi12:23:361:56:277:3018:18
7:33
#11295
30K
18.64 mi12:47:472:20:387:3324:11
7:47
#10979
20M
20.00 mi12:58:122:31:037:3310:25
7:40
#10712
21M
21.00 mi13:06:172:39:087:358:05
8:05
#10506
35K
21.75 mi13:11:372:44:287:345:20
7:08
#10293
23M
23.00 mi13:20:402:53:317:339:03
7:14
#9891
24M
24.00 mi13:27:423:00:337:317:02
7:02
#9579
40K
24.85 mi13:33:483:06:397:316:06
7:08
#9319
25.2M
25.20 mi13:36:263:09:177:312:38
7:38
#9187
Finish
26.22 mi13:43:233:16:147:296:57
6:49
#8931
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi121179221922111699(Top 41%)8924(Top 55%)8924(Top 374%)
10K6.21 mi3.10 mi11954+1639136+859136+8511815(Top 42%)9057(Top 56%)9057(Top 380%)
15K9.32 mi3.11 mi11853+1019074+629074+6211699(Top 41%)8924(Top 55%)8924(Top 374%)
20K12.43 mi3.11 mi11589+2648892+1828892+18210975(Top 39%)8479(Top 53%)8479(Top 355%)
Half13.11 mi0.68 mi11523+668866+268866+2610177(Top 36%)8093(Top 50%)8093(Top 339%)
25K15.53 mi2.42 mi11295+2288728+1388728+13810327(Top 36%)8047(Top 50%)8047(Top 337%)
30K18.64 mi3.11 mi10979+3168490+2388490+2389799(Top 34%)7579(Top 47%)7579(Top 318%)
20M20.00 mi1.36 mi10712+2678320+1708320+1708126(Top 29%)6524(Top 41%)6524(Top 273%)
21M21.00 mi1.00 mi10506+2068180+1408180+1407840(Top 28%)6169(Top 38%)6169(Top 259%)
35K21.75 mi0.75 mi10293+2138055+1258055+1256170(Top 22%)5192(Top 32%)5192(Top 218%)
23M23.00 mi1.25 mi9891+4027805+2507805+2505059(Top 18%)4366(Top 27%)4366(Top 183%)
24M24.00 mi1.00 mi9579+3127616+1897616+1894838(Top 17%)4152(Top 26%)4152(Top 174%)
40K24.85 mi0.85 mi9319+2607441+1757441+1754694(Top 17%)3999(Top 25%)3999(Top 168%)
25.2M25.20 mi0.35 mi9187+1327353+887353+884091(Top 14%)3507(Top 22%)3507(Top 147%)
Finish26.22 mi1.02 mi8931+2567172+1817172+1814638(Top 16%)3888(Top 24%)3888(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11699

Males

8924

M45-49

8924

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11815

Males

9057

M45-49

9057

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11699

Males

8924

M45-49

8924

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10975

Males

8479

M45-49

8479

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10177

Males

8093

M45-49

8093

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10327

Males

8047

M45-49

8047

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9799

Males

7579

M45-49

7579

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8126

Males

6524

M45-49

6524

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7840

Males

6169

M45-49

6169

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6170

Males

5192

M45-49

5192

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5059

Males

4366

M45-49

4366

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4838

Males

4152

M45-49

4152

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4694

Males

3999

M45-49

3999

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4091

Males

3507

M45-49

3507

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4638

Males

3888

M45-49

3888

Passing Analysis

Category:
Athletes Passed
3729*
Passed By
543
Net Change
+3186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12117
5K10K341178+163#12117#11954
10K15K222121+101#11954#11853
15K20K33874+264#11853#11589
20KHalf715+66#11589#11523
Half25K27648+228#11523#11295
25K30K39377+316#11295#10979
30K20M27912+267#10979#10712
20M21M22317+206#10712#10506
21M35K2141+213#10506#10293
35K23M404*2+402#10293#9891
23M24M3142+312#9891#9579
24M40K2600+260#9579#9319
40K25.2M1320+132#9319#9187
25.2MFinish2626+256#9187#8931
TOTALS3729*543+3186

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing