Allan O'Sullivan

Bib: 31319M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:41
Rank: #23136
Start5K
30:41 | 9:53/mi
10K· 6.21 mi
59:54
Rank: #22722 (+414)
5K10K
29:13 | 9:24/mi
15K· 9.32 mi
1:29:10
Rank: #22506 (+216)
10K15K
29:16 | 9:25/mi
20K· 12.43 mi
1:59:19
Rank: #22399 (+107)
15K20K
30:09 | 9:42/mi
Half· 13.11 mi
2:05:56
Rank: #22420 (-21)
20KHalf
6:37 | 9:42/mi
25K· 15.53 mi
2:31:42
Rank: #22627 (-207)
Half25K
25:46 | 10:38/mi
30K· 18.64 mi
3:07:42
Rank: #22959 (-332)
25K30K
36:00 | 11:35/mi
20M
3:23:33
Rank: #23038 (-79)
30K20M
15:51 | 11:40/mi
21M
3:36:09
Rank: #23079 (-41)
20M21M
12:36 | 12:36/mi
35K· 21.75 mi
3:46:14
Rank: #23252 (-173)
21M35K
10:05 | 13:29/mi
23M
4:01:55
Rank: #23385 (-133)
35K23M
15:41 | 12:32/mi
24M
4:13:17
Rank: #23407 (-22)
23M24M
11:22 | 11:22/mi
40K· 24.85 mi
4:24:48
Rank: #23533 (-126)
24M40K
11:31 | 13:28/mi
25.2M
4:29:16
Rank: #23548 (-15)
40K25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
4:40:24
Rank: #23564 (-16)
25.2MFinish
11:08 | 10:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:56
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:34:28
Pace11:47 /mi
📊Positive Split: 22.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4330:419:5330:41
9:53
-
10K
6.21 mi12:19:5659:549:3829:13
9:24
-0:29
15K
9.32 mi12:49:121:29:109:3429:16
9:25
+0:01
20K
12.43 mi13:19:211:59:199:3630:09
9:42
+0:17
Half
13.11 mi13:25:582:05:569:366:37
9:42
0:00
25K
15.53 mi13:51:442:31:429:4625:46
10:38
+0:56
30K
18.64 mi14:27:443:07:4210:0436:00
11:35
+0:57
20M
20.00 mi14:43:353:23:3310:1115:51
11:40
+0:05
21M
21.00 mi14:56:113:36:0910:1812:36
12:36
+0:56
35K
21.75 mi15:06:163:46:1410:2410:05
13:29
+0:53
23M
23.00 mi15:21:574:01:5510:3115:41
12:32
-0:57
24M
24.00 mi15:33:194:13:1710:3311:22
11:22
-1:10
40K
24.85 mi15:44:504:24:4810:3911:31
13:28
+2:06
25.2M
25.20 mi15:49:184:29:1610:414:28
12:57
-0:31
Finish
26.22 mi16:00:264:40:2410:4211:08
10:56
-2:01

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

9:24 /mi

Average Pace

10:42 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:42

54% of race

Time at Steady Pace

1:14:21

27% of race

Time at Slower Pace

54:21

19% of race

Average Pace: 10:42 /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 mi11:50:4330:419:5330:41
9:53
#23136
10K
6.21 mi12:19:5659:549:3829:13
9:24
#22722
15K
9.32 mi12:49:121:29:109:3429:16
9:25
#22506
20K
12.43 mi13:19:211:59:199:3630:09
9:42
#22399
Half
13.11 mi13:25:582:05:569:366:37
9:42
#22420
25K
15.53 mi13:51:442:31:429:4625:46
10:38
#22627
30K
18.64 mi14:27:443:07:4210:0436:00
11:35
#22959
20M
20.00 mi14:43:353:23:3310:1115:51
11:40
#23038
21M
21.00 mi14:56:113:36:0910:1812:36
12:36
#23079
35K
21.75 mi15:06:163:46:1410:2410:05
13:29
#23252
23M
23.00 mi15:21:574:01:5510:3115:41
12:32
#23385
24M
24.00 mi15:33:194:13:1710:3311:22
11:22
#23407
40K
24.85 mi15:44:504:24:4810:3911:31
13:28
#23533
25.2M
25.20 mi15:49:184:29:1610:414:28
12:57
#23548
Finish
26.22 mi16:00:264:40:2410:4211:08
10:56
#23564
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23136136531365322020(Top 83%)13201(Top 87%)13201(Top 586%)
10K6.21 mi3.10 mi22722+41413491+16213491+16222221(Top 83%)13266(Top 87%)13266(Top 589%)
15K9.32 mi3.11 mi22506+21613390+10113390+10122020(Top 83%)13201(Top 87%)13201(Top 586%)
20K12.43 mi3.11 mi22399+10713351+3913351+3922177(Top 83%)13259(Top 87%)13259(Top 589%)
Half13.11 mi0.68 mi22420-2113358-713358-722638(Top 85%)13465(Top 89%)13465(Top 598%)
25K15.53 mi2.42 mi22627-20713443-8513443-8523400(Top 88%)13763(Top 91%)13763(Top 611%)
30K18.64 mi3.11 mi22959-33213575-13213575-13223981(Top 90%)13951(Top 92%)13951(Top 619%)
20M20.00 mi1.36 mi23038-7913598-2313598-2323772(Top 89%)13806(Top 91%)13806(Top 613%)
21M21.00 mi1.00 mi23079-4113612-1413612-1423579(Top 89%)13706(Top 90%)13706(Top 609%)
35K21.75 mi0.75 mi23252-17313690-7813690-7825870(Top 97%)14773(Top 97%)14773(Top 656%)
23M23.00 mi1.25 mi23385-13313743-5313743-5324608(Top 92%)14145(Top 93%)14145(Top 628%)
24M24.00 mi1.00 mi23407-2213744-113744-123683(Top 89%)13673(Top 90%)13673(Top 607%)
40K24.85 mi0.85 mi23533-12613804-6013804-6025329(Top 95%)14474(Top 95%)14474(Top 643%)
25.2M25.20 mi0.35 mi23548-1513803+113803+123895(Top 90%)13740(Top 91%)13740(Top 610%)
Finish26.22 mi1.02 mi23564-1613797+613797+623827(Top 90%)13731(Top 90%)13731(Top 610%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22020

Males

13201

M45-49

13201

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22221

Males

13266

M45-49

13266

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22020

Males

13201

M45-49

13201

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22177

Males

13259

M45-49

13259

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22638

Males

13465

M45-49

13465

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23400

Males

13763

M45-49

13763

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23981

Males

13951

M45-49

13951

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23772

Males

13806

M45-49

13806

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23579

Males

13706

M45-49

13706

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25870

Males

14773

M45-49

14773

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24608

Males

14145

M45-49

14145

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23683

Males

13673

M45-49

13673

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25329

Males

14474

M45-49

14474

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23895

Males

13740

M45-49

13740

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23827

Males

13731

M45-49

13731

Passing Analysis

Category:
Athletes Passed
1226
Passed By
1654
Net Change
-428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23136
5K10K49581+414#23136#22722
10K15K27357+216#22722#22506
15K20K19083+107#22506#22399
20KHalf1637-21#22399#22420
Half25K44251-207#22420#22627
25K30K37369-332#22627#22959
30K20M42121-79#22959#23038
20M21M3273-41#23038#23079
21M35K7180-173#23079#23252
35K23M14147-133#23252#23385
23M24M3052-22#23385#23407
24M40K7133-126#23407#23533
40K25.2M1025-15#23533#23548
25.2MFinish2945-16#23548#23564
TOTALS12261654-428
📊

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