Gary O'Sullivan

Bib: 8005M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M50-54)
#0 / 1996
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:37
Rank: #10137
Start5K
22:37 | 7:17/mi
10K· 6.21 mi
46:07
Rank: #11424 (-1287)
5K10K
23:30 | 7:34/mi
15K· 9.32 mi
1:09:07
Rank: #11198 (+226)
10K15K
23:00 | 7:24/mi
20K· 12.43 mi
1:32:23
Rank: #11047 (+151)
15K20K
23:16 | 7:29/mi
Half· 13.11 mi
1:37:23
Rank: #11003 (+44)
20KHalf
5:00 | 7:20/mi
25K· 15.53 mi
1:55:36
Rank: #10818 (+185)
Half25K
18:13 | 7:31/mi
30K· 18.64 mi
2:18:47
Rank: #10097 (+721)
25K30K
23:11 | 7:28/mi
20M
2:29:01
Rank: #9794 (+303)
30K20M
10:14 | 7:32/mi
21M
2:36:50
Rank: #9539 (+255)
20M21M
7:49 | 7:49/mi
35K· 21.75 mi
2:42:25
Rank: #9471 (+68)
21M35K
5:35 | 7:28/mi
23M
2:51:36
Rank: #9147 (+324)
35K23M
9:11 | 7:20/mi
24M
2:58:43
Rank: #8923 (+224)
23M24M
7:07 | 7:07/mi
40K· 24.85 mi
3:05:00
Rank: #8742 (+181)
24M40K
6:17 | 7:21/mi
25.2M
3:07:46
Rank: #8675 (+67)
40K25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:15:02
Rank: #8557 (+118)
25.2MFinish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:23
Pace7:26 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:39
Pace7:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:1922:377:1722:37
7:17
-
10K
6.21 mi10:54:4946:077:2523:30
7:34
+0:17
15K
9.32 mi11:17:491:09:077:2523:00
7:24
-0:10
20K
12.43 mi11:41:051:32:237:2623:16
7:29
+0:05
Half
13.11 mi11:46:051:37:237:265:00
7:20
-0:09
25K
15.53 mi12:04:181:55:367:2618:13
7:31
+0:11
30K
18.64 mi12:27:292:18:477:2723:11
7:28
-0:03
20M
20.00 mi12:37:432:29:017:2710:14
7:32
+0:04
21M
21.00 mi12:45:322:36:507:287:49
7:49
+0:17
35K
21.75 mi12:51:072:42:257:285:35
7:28
-0:21
23M
23.00 mi13:00:182:51:367:289:11
7:20
-0:08
24M
24.00 mi13:07:252:58:437:277:07
7:07
-0:13
40K
24.85 mi13:13:423:05:007:276:17
7:21
+0:14
25.2M
25.20 mi13:16:283:07:467:272:46
8:01
+0:40
Finish
26.22 mi13:23:443:15:027:277:16
7:08
-0:53

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

7:07 /mi

Average Pace

7:27 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:16

99% of race

Time at Steady Pace

2:46

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:31:1922:377:1722:37
7:17
#10137
10K
6.21 mi10:54:4946:077:2523:30
7:34
#11424
15K
9.32 mi11:17:491:09:077:2523:00
7:24
#11198
20K
12.43 mi11:41:051:32:237:2623:16
7:29
#11047
Half
13.11 mi11:46:051:37:237:265:00
7:20
#11003
25K
15.53 mi12:04:181:55:367:2618:13
7:31
#10818
30K
18.64 mi12:27:292:18:477:2723:11
7:28
#10097
20M
20.00 mi12:37:432:29:017:2710:14
7:32
#9794
21M
21.00 mi12:45:322:36:507:287:49
7:49
#9539
35K
21.75 mi12:51:072:42:257:285:35
7:28
#9471
23M
23.00 mi13:00:182:51:367:289:11
7:20
#9147
24M
24.00 mi13:07:252:58:437:277:07
7:07
#8923
40K
24.85 mi13:13:423:05:007:276:17
7:21
#8742
25.2M
25.20 mi13:16:283:07:467:272:46
8:01
#8675
Finish
26.22 mi13:23:443:15:027:277:16
7:08
#8557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi101378244824410885(Top 38%)8533(Top 53%)8533(Top 428%)
10K6.21 mi3.10 mi11424-12878880-6368880-63612674(Top 45%)9447(Top 59%)9447(Top 473%)
15K9.32 mi3.11 mi11198+2268753+1278753+12710885(Top 38%)8533(Top 53%)8533(Top 428%)
20K12.43 mi3.11 mi11047+1518653+1008653+10010642(Top 37%)8323(Top 52%)8323(Top 417%)
Half13.11 mi0.68 mi11003+448632+218632+2110168(Top 36%)8084(Top 50%)8084(Top 405%)
25K15.53 mi2.42 mi10818+1858493+1398493+13910063(Top 35%)7906(Top 49%)7906(Top 396%)
30K18.64 mi3.11 mi10097+7218060+4338060+4337482(Top 26%)6270(Top 39%)6270(Top 314%)
20M20.00 mi1.36 mi9794+3037869+1917869+1917209(Top 25%)5972(Top 37%)5972(Top 299%)
21M21.00 mi1.00 mi9539+2557697+1727697+1726295(Top 22%)5263(Top 33%)5263(Top 264%)
35K21.75 mi0.75 mi9471+687644+537644+538342(Top 29%)6506(Top 40%)6506(Top 326%)
23M23.00 mi1.25 mi9147+3247417+2277417+2275657(Top 20%)4782(Top 30%)4782(Top 240%)
24M24.00 mi1.00 mi8923+2247257+1607257+1605312(Top 19%)4479(Top 28%)4479(Top 224%)
40K24.85 mi0.85 mi8742+1817111+1467111+1465921(Top 21%)4808(Top 30%)4808(Top 241%)
25.2M25.20 mi0.35 mi8675+677059+527059+526077(Top 21%)4803(Top 30%)4803(Top 241%)
Finish26.22 mi1.02 mi8557+1186968+916968+916567(Top 23%)5079(Top 32%)5079(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10885

Males

8533

M50-54

8533

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12674

Males

9447

M50-54

9447

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10885

Males

8533

M50-54

8533

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10642

Males

8323

M50-54

8323

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10168

Males

8084

M50-54

8084

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

10063

Males

7906

M50-54

7906

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7482

Males

6270

M50-54

6270

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7209

Males

5972

M50-54

5972

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6295

Males

5263

M50-54

5263

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8342

Males

6506

M50-54

6506

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5657

Males

4782

M50-54

4782

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5312

Males

4479

M50-54

4479

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5921

Males

4808

M50-54

4808

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6077

Males

4803

M50-54

4803

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6567

Males

5079

M50-54

5079

Passing Analysis

Category:
Athletes Passed
3230*
Passed By
1649
Net Change
+1580
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10137
5K10K181304-1287#10137#11424
10K15K31084+226#11424#11198
15K20K24493+151#11198#11047
20KHalf6117+44#11047#11003
Half25K25974+185#11003#10818
25K30K7243+721#10818#10097
30K20M309*6+303#10097#9794
20M21M2583+255#9794#9539
21M35K9325+68#9539#9471
35K23M3284+324#9471#9147
23M24M2262+224#9147#8923
24M40K1887+181#8923#8742
40K25.2M714+67#8742#8675
25.2MFinish14123+118#8675#8557
TOTALS3230*1649+1580

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Boston Athletic Association

Boston Athletic Association

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Mika Timing