Liam O'Brien

Bib: 30736•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Gender (Male)

#0 / 16105

Masters (Masters Men)

#0 / 10463

Division (M50-54)

#0 / 1996

Race Day Weather

50°/40°F

broken clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

26:37

Rank: #20274

Start → 5K

26:37 | 8:34/mi

5K· 3.11 mi

26:37

Rank: #20274

Start → 5K

26:37 | 8:34/mi

10K· 6.21 mi

52:46

Rank: #19781 (+493)

5K → 10K

26:09 | 8:25/mi

10K· 6.21 mi

52:46

Rank: #19781 (+493)

5K → 10K

26:09 | 8:25/mi

15K· 9.32 mi

1:18:59

Rank: #19503 (+278)

10K → 15K

26:13 | 8:26/mi

15K· 9.32 mi

1:18:59

Rank: #19503 (+278)

10K → 15K

26:13 | 8:26/mi

20K· 12.43 mi

1:45:10

Rank: #19026 (+477)

15K → 20K

26:11 | 8:26/mi

20K· 12.43 mi

1:45:10

Rank: #19026 (+477)

15K → 20K

26:11 | 8:26/mi

Half· 13.11 mi

1:50:53

Rank: #19002 (+24)

20K → Half

5:43 | 8:23/mi

Half· 13.11 mi

1:50:53

Rank: #19002 (+24)

20K → Half

5:43 | 8:23/mi

25K· 15.53 mi

2:11:32

Rank: #18707 (+295)

Half → 25K

20:39 | 8:31/mi

25K· 15.53 mi

2:11:32

Rank: #18707 (+295)

Half → 25K

20:39 | 8:31/mi

30K· 18.64 mi

2:38:49

Rank: #18258 (+449)

25K → 30K

27:17 | 8:47/mi

30K· 18.64 mi

2:38:49

Rank: #18258 (+449)

25K → 30K

27:17 | 8:47/mi

20M

2:50:44

Rank: #18008 (+250)

30K → 20M

11:55 | 8:46/mi

20M

2:50:44

Rank: #18008 (+250)

30K → 20M

11:55 | 8:46/mi

21M

2:59:50

Rank: #17776 (+232)

20M → 21M

9:06 | 9:06/mi

21M

2:59:50

Rank: #17776 (+232)

20M → 21M

9:06 | 9:06/mi

35K· 21.75 mi

3:06:16

Rank: #17694 (+82)

21M → 35K

6:26 | 8:36/mi

35K· 21.75 mi

3:06:16

Rank: #17694 (+82)

21M → 35K

6:26 | 8:36/mi

23M

3:17:20

Rank: #17541 (+153)

35K → 23M

11:04 | 8:50/mi

23M

3:17:20

Rank: #17541 (+153)

35K → 23M

11:04 | 8:50/mi

24M

3:25:57

Rank: #17421 (+120)

23M → 24M

8:37 | 8:37/mi

24M

3:25:57

Rank: #17421 (+120)

23M → 24M

8:37 | 8:37/mi

40K· 24.85 mi

3:33:26

Rank: #17317 (+104)

24M → 40K

7:29 | 8:45/mi

40K· 24.85 mi

3:33:26

Rank: #17317 (+104)

24M → 40K

7:29 | 8:45/mi

25.2M

3:36:37

Rank: #17249 (+68)

40K → 25.2M

3:11 | 9:14/mi

25.2M

3:36:37

Rank: #17249 (+68)

40K → 25.2M

3:11 | 9:14/mi

Finish· 26.22 mi

3:44:50

Rank: #17085 (+164)

25.2M → Finish

8:13 | 8:04/mi

Finish· 26.22 mi

3:44:50

Rank: #17085 (+164)

25.2M → Finish

8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:50:53

Pace8:27 /mi

2nd Half

Distance13.11 mi

Time1:53:57

Pace8:42 /mi

📊Positive Split: 2.8% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:47:06	26:37	8:34	26:37	8:34	-
10K	6.21 mi	12:13:15	52:46	8:30	26:09	8:25	-0:09
15K	9.32 mi	12:39:28	1:18:59	8:28	26:13	8:26	+0:01
20K	12.43 mi	13:05:39	1:45:10	8:28	26:11	8:26	0:00
Half	13.11 mi	13:11:22	1:50:53	8:27	5:43	8:23	-0:03
25K	15.53 mi	13:32:01	2:11:32	8:28	20:39	8:31	+0:08
30K	18.64 mi	13:59:18	2:38:49	8:31	27:17	8:47	+0:16
20M	20.00 mi	14:11:13	2:50:44	8:32	11:55	8:46	-0:01
21M	21.00 mi	14:20:19	2:59:50	8:34	9:06	9:06	+0:20
35K	21.75 mi	14:26:45	3:06:16	8:34	6:26	8:36	-0:30
23M	23.00 mi	14:37:49	3:17:20	8:35	11:04	8:50	+0:14
24M	24.00 mi	14:46:26	3:25:57	8:35	8:37	8:37	-0:13
40K	24.85 mi	14:53:55	3:33:26	8:35	7:29	8:45	+0:08
25.2M	25.20 mi	14:57:06	3:36:37	8:36	3:11	9:14	+0:29
Finish	26.22 mi	15:05:19	3:44:50	8:35	8:13	8:04	-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

8:04 /mi

Average Pace

8:35 /mi

Slowest Pace

9:14 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:33

95% of race

Time at Steady Pace

12:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:47:06	26:37	8:34	26:37	8:34	#20274
10K	6.21 mi	12:13:15	52:46	8:30	26:09	8:25	#19781
15K	9.32 mi	12:39:28	1:18:59	8:28	26:13	8:26	#19503
20K	12.43 mi	13:05:39	1:45:10	8:28	26:11	8:26	#19026
Half	13.11 mi	13:11:22	1:50:53	8:27	5:43	8:23	#19002
25K	15.53 mi	13:32:01	2:11:32	8:28	20:39	8:31	#18707
30K	18.64 mi	13:59:18	2:38:49	8:31	27:17	8:47	#18258
20M	20.00 mi	14:11:13	2:50:44	8:32	11:55	8:46	#18008
21M	21.00 mi	14:20:19	2:59:50	8:34	9:06	9:06	#17776
35K	21.75 mi	14:26:45	3:06:16	8:34	6:26	8:36	#17694
23M	23.00 mi	14:37:49	3:17:20	8:35	11:04	8:50	#17541
24M	24.00 mi	14:46:26	3:25:57	8:35	8:37	8:37	#17421
40K	24.85 mi	14:53:55	3:33:26	8:35	7:29	8:45	#17317
25.2M	25.20 mi	14:57:06	3:36:37	8:36	3:11	9:14	#17249
Finish	26.22 mi	15:05:19	3:44:50	8:35	8:13	8:04	#17085

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	3.11 mi	20274	12550	12550	18936(Top 67%)	12017(Top 75%)	12017(Top 602%)
10K	6.21 mi	3.10 mi	19781+493	12380+170	12380+170	19290(Top 68%)	12185(Top 76%)	12185(Top 610%)
15K	9.32 mi	3.11 mi	19503+278	12264+116	12264+116	18936(Top 67%)	12017(Top 75%)	12017(Top 602%)
20K	12.43 mi	3.11 mi	19026+477	12052+212	12052+212	17709(Top 62%)	11487(Top 71%)	11487(Top 576%)
Half	13.11 mi	0.68 mi	19002+24	12039+13	12039+13	18424(Top 65%)	11786(Top 73%)	11786(Top 590%)
25K	15.53 mi	2.42 mi	18707+295	11903+136	11903+136	17286(Top 61%)	11216(Top 70%)	11216(Top 562%)
30K	18.64 mi	3.11 mi	18258+449	11670+233	11670+233	16484(Top 58%)	10706(Top 66%)	10706(Top 536%)
20M	20.00 mi	1.36 mi	18008+250	11531+139	11531+139	15480(Top 54%)	10143(Top 63%)	10143(Top 508%)
21M	21.00 mi	1.00 mi	17776+232	11415+116	11415+116	14096(Top 50%)	9385(Top 58%)	9385(Top 470%)
35K	21.75 mi	0.75 mi	17694+82	11360+55	11360+55	16039(Top 56%)	10191(Top 63%)	10191(Top 511%)
23M	23.00 mi	1.25 mi	17541+153	11243+117	11243+117	15315(Top 54%)	9777(Top 61%)	9777(Top 490%)
24M	24.00 mi	1.00 mi	17421+120	11169+74	11169+74	15250(Top 54%)	9703(Top 60%)	9703(Top 486%)
40K	24.85 mi	0.85 mi	17317+104	11104+65	11104+65	14909(Top 52%)	9406(Top 58%)	9406(Top 471%)
25.2M	25.20 mi	0.35 mi	17249+68	11058+46	11058+46	13081(Top 46%)	8526(Top 53%)	8526(Top 427%)
Finish	26.22 mi	1.02 mi	17085+164	10973+85	10973+85	13310(Top 47%)	8676(Top 54%)	8676(Top 435%)

8676

Passing Analysis

Category:

Athletes Passed

3632

Passed By

443

Net Change

+3189

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#20274
5K → 10K	609	116	+493	#20274	#19781
10K → 15K	352	74	+278	#19781	#19503
15K → 20K	501	24	+477	#19503	#19026
20K → Half	41	17	+24	#19026	#19002
Half → 25K	317	22	+295	#19002	#18707
25K → 30K	494	45	+449	#18707	#18258
30K → 20M	273	23	+250	#18258	#18008
20M → 21M	242	10	+232	#18008	#17776
21M → 35K	100	18	+82	#17776	#17694
35K → 23M	193	40	+153	#17694	#17541
23M → 24M	142	22	+120	#17541	#17421
24M → 40K	124	20	+104	#17421	#17317
40K → 25.2M	75	7	+68	#17317	#17249
25.2M → Finish	169	5	+164	#17249	#17085
TOTALS	3632	443	+3189