James Obrien

Bib: 9748M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 26%
Gender (Male)
#0 / 14578
Top 38%
Masters (Masters Men)
#0 / 9729
Top 26%
Division (M50-54)
#0 / 1935
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:05
Rank: #7711
Start5K
22:05 | 7:06/mi
10K· 6.21 mi
44:07
Rank: #7446 (+265)
5K10K
22:02 | 7:06/mi
15K· 9.32 mi
1:06:15
Rank: #7257 (+189)
10K15K
22:08 | 7:07/mi
20K· 12.43 mi
1:28:35
Rank: #6952 (+305)
15K20K
22:20 | 7:11/mi
Half· 13.11 mi
1:33:27
Rank: #6923 (+29)
20KHalf
4:52 | 7:08/mi
25K· 15.53 mi
1:51:37
Rank: #6846 (+77)
Half25K
18:10 | 7:30/mi
30K· 18.64 mi
2:16:20
Rank: #6914 (-68)
25K30K
24:43 | 7:57/mi
20M
2:27:07
Rank: #6763 (+151)
30K20M
10:47 | 7:56/mi
21M
2:37:14
Rank: #7148 (-385)
20M21M
10:07 | 10:07/mi
35K· 21.75 mi
2:42:53
Rank: #6999 (+149)
21M35K
5:39 | 7:33/mi
23M
2:52:50
Rank: #6810 (+189)
35K23M
9:57 | 7:57/mi
24M
3:01:40
Rank: #6972 (-162)
23M24M
8:50 | 8:50/mi
40K· 24.85 mi
3:08:24
Rank: #6834 (+138)
24M40K
6:44 | 7:53/mi
25.2M
3:11:23
Rank: #6758 (+76)
40K25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:19:12
Rank: #6708 (+50)
25.2MFinish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:27
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4022:057:0622:05
7:06
-
10K
6.21 mi11:10:4244:077:0622:02
7:06
0:00
15K
9.32 mi11:32:501:06:157:0622:08
7:07
+0:01
20K
12.43 mi11:55:101:28:357:0822:20
7:11
+0:04
Half
13.11 mi12:00:021:33:277:084:52
7:08
-0:03
25K
15.53 mi12:18:121:51:377:1118:10
7:30
+0:22
30K
18.64 mi12:42:552:16:207:1924:43
7:57
+0:27
20M
20.00 mi12:53:422:27:077:2110:47
7:56
-0:01
21M
21.00 mi13:03:492:37:147:2910:07
10:07
+2:11
35K
21.75 mi13:09:282:42:537:295:39
7:33
-2:34
23M
23.00 mi13:19:252:52:507:319:57
7:57
+0:24
24M
24.00 mi13:28:153:01:407:348:50
8:50
+0:53
40K
24.85 mi13:34:593:08:247:356:44
7:53
-0:57
25.2M
25.20 mi13:37:583:11:237:362:59
8:39
+0:46
Finish
26.22 mi13:45:473:19:127:367:49
7:40
-0:59

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

7:06 /mi

Average Pace

7:36 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:27

47% of race

Time at Steady Pace

1:23:49

42% of race

Time at Slower Pace

21:56

11% of race

Average Pace: 7:36 /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 mi10:48:4022:057:0622:05
7:06
#7711
10K
6.21 mi11:10:4244:077:0622:02
7:06
#7446
15K
9.32 mi11:32:501:06:157:0622:08
7:07
#7257
20K
12.43 mi11:55:101:28:357:0822:20
7:11
#6952
Half
13.11 mi12:00:021:33:277:084:52
7:08
#6923
25K
15.53 mi12:18:121:51:377:1118:10
7:30
#6846
30K
18.64 mi12:42:552:16:207:1924:43
7:57
#6914
20M
20.00 mi12:53:422:27:077:2110:47
7:56
#6763
21M
21.00 mi13:03:492:37:147:2910:07
10:07
#7148
35K
21.75 mi13:09:282:42:537:295:39
7:33
#6999
23M
23.00 mi13:19:252:52:507:319:57
7:57
#6810
24M
24.00 mi13:28:153:01:407:348:50
8:50
#6972
40K
24.85 mi13:34:593:08:247:356:44
7:53
#6834
25.2M
25.20 mi13:37:583:11:237:362:59
8:39
#6758
Finish
26.22 mi13:45:473:19:127:367:49
7:40
#6708
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7711663366336947(Top 27%)6035(Top 41%)6035(Top 312%)
10K6.21 mi3.10 mi7446+2656443+1906443+1907227(Top 28%)6264(Top 43%)6264(Top 324%)
15K9.32 mi3.11 mi7257+1896302+1416302+1416947(Top 27%)6035(Top 41%)6035(Top 312%)
20K12.43 mi3.11 mi6952+3056053+2496053+2496303(Top 25%)5526(Top 38%)5526(Top 286%)
Half13.11 mi0.68 mi6923+296039+146039+146510(Top 25%)5663(Top 39%)5663(Top 293%)
25K15.53 mi2.42 mi6846+775945+945945+946916(Top 27%)5762(Top 40%)5762(Top 298%)
30K18.64 mi3.11 mi6914-685935+105935+107601(Top 30%)5970(Top 41%)5970(Top 309%)
20M20.00 mi1.36 mi6763+1515801+1345801+1346390(Top 25%)5089(Top 35%)5089(Top 263%)
21M21.00 mi1.00 mi7148-3855998-1975998-19713411(Top 52%)8380(Top 57%)8380(Top 433%)
35K21.75 mi0.75 mi6999+1495869+1295869+1295310(Top 21%)4283(Top 29%)4283(Top 221%)
23M23.00 mi1.25 mi6810+1895704+1655704+1655481(Top 21%)4255(Top 29%)4255(Top 220%)
24M24.00 mi1.00 mi6972-1625767-635767-6311247(Top 44%)7173(Top 49%)7173(Top 371%)
40K24.85 mi0.85 mi6834+1385633+1345633+1345150(Top 20%)3890(Top 27%)3890(Top 201%)
25.2M25.20 mi0.35 mi6758+765563+705563+705038(Top 20%)3759(Top 26%)3759(Top 194%)
Finish26.22 mi1.02 mi6708+505504+595504+596549(Top 26%)4616(Top 32%)4616(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

6947

Males

6035

M50-54

6035

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7227

Males

6264

M50-54

6264

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

6947

Males

6035

M50-54

6035

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6303

Males

5526

M50-54

5526

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6510

Males

5663

M50-54

5663

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

6916

Males

5762

M50-54

5762

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7601

Males

5970

M50-54

5970

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6390

Males

5089

M50-54

5089

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13411

Males

8380

M50-54

8380

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5310

Males

4283

M50-54

4283

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5481

Males

4255

M50-54

4255

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11247

Males

7173

M50-54

7173

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5150

Males

3890

M50-54

3890

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5038

Males

3759

M50-54

3759

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6549

Males

4616

M50-54

4616

Passing Analysis

Category:
Athletes Passed
2384
Passed By
1381
Net Change
+1003
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7711
5K10K35489+265#7711#7446
10K15K24455+189#7446#7257
15K20K33025+305#7257#6952
20KHalf4213+29#6952#6923
Half25K200123+77#6923#6846
25K30K205273-68#6846#6914
30K20M19342+151#6914#6763
20M21M34419-385#6763#7148
21M35K16516+149#7148#6999
35K23M21930+189#6999#6810
23M24M55217-162#6810#6972
24M40K16325+138#6972#6834
40K25.2M837+76#6834#6758
25.2MFinish9747+50#6758#6708
TOTALS23841381+1003
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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