John Duffy

Bib: 13047•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Gender (Male)

#0 / 15176

Masters (Masters Men)

#0 / 9891

Division (M55-59)

#0 / 1422

Race Day Weather

49°/39°F

light intensity drizzle

⏱️ Race Timeline

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

5K· 3.11 mi

8:36/mi

26:43

↑ 97 ft↓ 345 ft1.5% grade

10K· 6.21 mi

8:39/mi

53:36

↑ 79 ft↓ 138 ft0.4% grade

15K· 9.32 mi

8:39/mi

1:20:28

↑ 67 ft↓ 78 ft

20K· 12.43 mi

9:29/mi

1:49:55

↑ 106 ft↓ 86 ft0.1% grade

Half· 13.11 mi

8:17/mi

1:55:34

↑ 19 ft↓ 37 ft0.5% grade

25K· 15.53 mi

9:35/mi

2:18:47

↑ 66 ft↓ 88 ft0.2% grade

30K· 18.64 mi

10:13/mi

2:50:31

↑ 181 ft↓ 148 ft0.2% grade

20M

10:24/mi

3:04:39

↑ 64 ft↓ 50 ft0.2% grade

21M

11:44/mi

3:16:23

↑ 106 ft↓ 24 ft1.6% grade

35K· 21.75 mi

9:17/mi

3:23:20

↑ 17 ft↓ 86 ft1.7% grade

23M

9:47/mi

3:35:35

↑ 23 ft↓ 63 ft0.6% grade

24M

9:27/mi

3:45:02

↓ 82 ft1.3% grade

40K· 24.85 mi

11:00/mi

3:54:26

↓ 20 ft0.3% grade

25.2M

11:53/mi

3:58:32

↑ 13 ft↓ 16 ft0.2% grade

Finish· 26.22 mi

10:00/mi

4:08:43

↑ 22 ft↓ 21 ft

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:55:34

Pace8:49 /mi

2nd Half

Distance13.11 mi

Time2:13:09

Pace10:09 /mi

📊Positive Split: 15.2% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:55:38	26:43	8:36	26:43	8:36	-
10K	6.21 mi	11:22:31	53:36	8:38	26:53	8:39	+0:03
15K	9.32 mi	11:49:23	1:20:28	8:38	26:52	8:39	0:00
20K	12.43 mi	12:18:50	1:49:55	8:51	29:27	9:29	+0:50
Half	13.11 mi	12:24:29	1:55:34	8:49	5:39	8:17	-1:12
25K	15.53 mi	12:47:42	2:18:47	8:56	23:13	9:35	+1:18
30K	18.64 mi	13:19:26	2:50:31	9:09	31:44	10:13	+0:38
20M	20.00 mi	13:33:34	3:04:39	9:14	14:08	10:24	+0:11
21M	21.00 mi	13:45:18	3:16:23	9:21	11:44	11:44	+1:20
35K	21.75 mi	13:52:15	3:23:20	9:21	6:57	9:17	-2:27
23M	23.00 mi	14:04:30	3:35:35	9:22	12:15	9:47	+0:30
24M	24.00 mi	14:13:57	3:45:02	9:23	9:27	9:27	-0:20
40K	24.85 mi	14:23:21	3:54:26	9:26	9:24	11:00	+1:33
25.2M	25.20 mi	14:27:27	3:58:32	9:28	4:06	11:53	+0:53
Finish	26.22 mi	14:37:38	4:08:43	9:30	10:11	10:00	-1:53

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

8:17 /mi

Average Pace

9:30 /mi

Slowest Pace

11:53 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:07

35% of race

Time at Steady Pace

1:31:30

37% of race

Time at Slower Pace

1:11:06

29% of race

Average Pace: 9:29 /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.

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	10:55:38	26:43	8:36	26:43	8:36	#18223
10K	6.21 mi	11:22:31	53:36	8:38	26:53	8:39	#18665
15K	9.32 mi	11:49:23	1:20:28	8:38	26:52	8:39	#18653
20K	12.43 mi	12:18:50	1:49:55	8:51	29:27	9:29	#19560
Half	13.11 mi	12:24:29	1:55:34	8:49	5:39	8:17	#19400
25K	15.53 mi	12:47:42	2:18:47	8:56	23:13	9:35	#19804
30K	18.64 mi	13:19:26	2:50:31	9:09	31:44	10:13	#20263
20M	20.00 mi	13:33:34	3:04:39	9:14	14:08	10:24	#20371
21M	21.00 mi	13:45:18	3:16:23	9:21	11:44	11:44	#20515
35K	21.75 mi	13:52:15	3:23:20	9:21	6:57	9:17	#20450
23M	23.00 mi	14:04:30	3:35:35	9:22	12:15	9:47	#20373
24M	24.00 mi	14:13:57	3:45:02	9:23	9:27	9:27	#20321
40K	24.85 mi	14:23:21	3:54:26	9:26	9:24	11:00	#20397
25.2M	25.20 mi	14:27:27	3:58:32	9:28	4:06	11:53	#20427
Finish	26.22 mi	14:37:38	4:08:43	9:30	10:11	10:00	#20489

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3.11 mi	18223	11512	11512	18710(Top 70%)	11762(Top 78%)	11762(Top 827%)
10K	6.21 mi	3.10 mi	18665-442	11722-210	11722-210	19142(Top 72%)	11957(Top 79%)	11957(Top 841%)
15K	9.32 mi	3.11 mi	18653+12	11719+3	11719+3	18710(Top 70%)	11762(Top 78%)	11762(Top 827%)
20K	12.43 mi	3.11 mi	19560-907	12079-360	12079-360	21483(Top 81%)	12944(Top 85%)	12944(Top 910%)
Half	13.11 mi	0.68 mi	19400+160	12010+69	12010+69	16361(Top 61%)	10847(Top 71%)	10847(Top 763%)
25K	15.53 mi	2.42 mi	19804-404	12174-164	12174-164	21069(Top 79%)	12742(Top 84%)	12742(Top 896%)
30K	18.64 mi	3.11 mi	20263-459	12363-189	12363-189	21548(Top 81%)	12874(Top 85%)	12874(Top 905%)
20M	20.00 mi	1.36 mi	20371-108	12401-38	12401-38	21515(Top 81%)	12786(Top 84%)	12786(Top 899%)
21M	21.00 mi	1.00 mi	20515-144	12456-55	12456-55	22280(Top 84%)	13103(Top 86%)	13103(Top 921%)
35K	21.75 mi	0.75 mi	20450+65	12416+40	12416+40	19106(Top 72%)	11645(Top 77%)	11645(Top 819%)
23M	23.00 mi	1.25 mi	20373+77	12371+45	12371+45	19386(Top 73%)	11744(Top 77%)	11744(Top 826%)
24M	24.00 mi	1.00 mi	20321+52	12343+28	12343+28	19034(Top 71%)	11552(Top 76%)	11552(Top 812%)
40K	24.85 mi	0.85 mi	20397-76	12364-21	12364-21	22325(Top 84%)	12990(Top 86%)	12990(Top 914%)
25.2M	25.20 mi	0.35 mi	20427-30	12370-6	12370-6	22272(Top 84%)	12972(Top 85%)	12972(Top 912%)
Finish	26.22 mi	1.02 mi	20489-62	12387-17	12387-17	21730(Top 82%)	12736(Top 84%)	12736(Top 896%)

12736

Passing Analysis

Category:

Athletes Passed

1002

Passed By

3268

Net Change

-2266

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#18223
5K → 10K	152	594	-442	#18223	#18665
10K → 15K	186	174	+12	#18665	#18653
15K → 20K	27	934	-907	#18653	#19560
20K → Half	160	0	+160	#19560	#19400
Half → 25K	31	435	-404	#19400	#19804
25K → 30K	56	515	-459	#19804	#20263
30K → 20M	46	154	-108	#20263	#20371
20M → 21M	32	176	-144	#20371	#20515
21M → 35K	78	13	+65	#20515	#20450
35K → 23M	111	34	+77	#20450	#20373
23M → 24M	68	16	+52	#20373	#20321
24M → 40K	20	96	-76	#20321	#20397
40K → 25.2M	15	45	-30	#20397	#20427
25.2M → Finish	20	82	-62	#20427	#20489
TOTALS	1002	3268	-2266

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 26 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing