Joel Koffman

Bib: 23250•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Division (M70-74)

#0 / 195

Top 37%

Race Day Weather

55°/45°F

scattered clouds

⏱️ 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

8:39/mi

26:54

↑ 97 ft↓ 345 ft1.5% grade

10K· 6.21 mi

8:59/mi

54:48

↑ 79 ft↓ 138 ft0.4% grade

15K· 9.32 mi

9:29/mi

1:24:16

↑ 67 ft↓ 78 ft

20K· 12.43 mi

9:54/mi

1:55:01

↑ 106 ft↓ 86 ft0.1% grade

Half· 13.11 mi

9:30/mi

2:01:30

↑ 19 ft↓ 37 ft0.5% grade

25K· 15.53 mi

10:10/mi

2:26:10

↑ 66 ft↓ 88 ft0.2% grade

30K· 18.64 mi

11:03/mi

3:00:30

↑ 181 ft↓ 148 ft0.2% grade

20M

11:30/mi

3:16:08

↑ 64 ft↓ 50 ft0.2% grade

21M

12:53/mi

3:29:01

↑ 106 ft↓ 24 ft1.6% grade

35K· 21.75 mi

10:48/mi

3:37:06

↑ 17 ft↓ 86 ft1.7% grade

23M

12:00/mi

3:52:07

↑ 23 ft↓ 63 ft0.6% grade

24M

11:19/mi

4:03:26

↓ 82 ft1.3% grade

40K· 24.85 mi

12:05/mi

4:13:46

↓ 20 ft0.3% grade

25.2M

13:58/mi

4:18:35

↑ 13 ft↓ 16 ft0.2% grade

Finish· 26.22 mi

11:24/mi

4:30:12

↑ 22 ft↓ 21 ft

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time2:01:30

Pace9:16 /mi

2nd Half

Distance13.11 mi

Time2:28:42

Pace11:21 /mi

📊Positive Split: 22.4% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:27:39	26:54	8:39	26:54	8:39	-
10K	6.21 mi	11:55:33	54:48	8:49	27:54	8:59	+0:20
15K	9.32 mi	12:25:01	1:24:16	9:02	29:28	9:29	+0:30
20K	12.43 mi	12:55:46	1:55:01	9:15	30:45	9:54	+0:25
Half	13.11 mi	13:02:15	2:01:30	9:16	6:29	9:30	-0:24
25K	15.53 mi	13:26:55	2:26:10	9:25	24:40	10:10	+0:40
30K	18.64 mi	14:01:15	3:00:30	9:41	34:20	11:03	+0:53
20M	20.00 mi	14:16:53	3:16:08	9:48	15:38	11:30	+0:27
21M	21.00 mi	14:29:46	3:29:01	9:57	12:53	12:53	+1:23
35K	21.75 mi	14:37:51	3:37:06	9:59	8:05	10:48	-2:05
23M	23.00 mi	14:52:52	3:52:07	10:06	15:01	12:00	+1:12
24M	24.00 mi	15:04:11	4:03:26	10:09	11:19	11:19	-0:41
40K	24.85 mi	15:14:31	4:13:46	10:13	10:20	12:05	+0:46
25.2M	25.20 mi	15:19:20	4:18:35	10:16	4:49	13:58	+1:53
Finish	26.22 mi	15:30:57	4:30:12	10:19	11:37	11:24	-2:34

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

8:39 /mi

Average Pace

10:19 /mi

Slowest Pace

13:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:10

54% of race

Time at Steady Pace

1:20:59

30% of race

Time at Slower Pace

43:03

16% of race

Average Pace: 10:18 /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	11:27:39	26:54	8:39	26:54	8:39	#18620
10K	6.21 mi	11:55:33	54:48	8:49	27:54	8:59	#19144
15K	9.32 mi	12:25:01	1:24:16	9:02	29:28	9:29	#19725
20K	12.43 mi	12:55:46	1:55:01	9:15	30:45	9:54	#19956
Half	13.11 mi	13:02:15	2:01:30	9:16	6:29	9:30	#19967
25K	15.53 mi	13:26:55	2:26:10	9:25	24:40	10:10	#19895
30K	18.64 mi	14:01:15	3:00:30	9:41	34:20	11:03	#19910
20M	20.00 mi	14:16:53	3:16:08	9:48	15:38	11:30	#19944
21M	21.00 mi	14:29:46	3:29:01	9:57	12:53	12:53	#19989
35K	21.75 mi	14:37:51	3:37:06	9:59	8:05	10:48	#19946
23M	23.00 mi	14:52:52	3:52:07	10:06	15:01	12:00	#19982
24M	24.00 mi	15:04:11	4:03:26	10:09	11:19	11:19	#19991
40K	24.85 mi	15:14:31	4:13:46	10:13	10:20	12:05	#20021
25.2M	25.20 mi	15:19:20	4:18:35	10:16	4:49	13:58	#20034
Finish	26.22 mi	15:30:57	4:30:12	10:19	11:37	11:24	#20122

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M70-74	Seg. Overall	Seg. Males	Seg. M70-74
5K	3.11 mi	3.11 mi	18620	11464	11464	20611(Top 81%)	12457(Top 85%)	12457(Top 6388%)
10K	6.21 mi	3.10 mi	19144-524	11701-237	11701-237	19668(Top 77%)	11972(Top 82%)	11972(Top 6139%)
15K	9.32 mi	3.11 mi	19725-581	11987-286	11987-286	20611(Top 81%)	12457(Top 85%)	12457(Top 6388%)
20K	12.43 mi	3.11 mi	19956-231	12110-123	12110-123	20319(Top 80%)	12280(Top 84%)	12280(Top 6297%)
Half	13.11 mi	0.68 mi	19967-11	12114-4	12114-4	20064(Top 79%)	12108(Top 83%)	12108(Top 6209%)
25K	15.53 mi	2.42 mi	19895+72	12074+40	12074+40	19583(Top 77%)	11853(Top 81%)	11853(Top 6078%)
30K	18.64 mi	3.11 mi	19910-15	12023+51	12023+51	20100(Top 79%)	11891(Top 82%)	11891(Top 6098%)
20M	20.00 mi	1.36 mi	19944-34	12008+15	12008+15	20393(Top 80%)	11920(Top 82%)	11920(Top 6113%)
21M	21.00 mi	1.00 mi	19989-45	12013-5	12013-5	20524(Top 80%)	11889(Top 82%)	11889(Top 6097%)
35K	21.75 mi	0.75 mi	19946+43	11973+40	11973+40	19351(Top 76%)	11302(Top 78%)	11302(Top 5796%)
23M	23.00 mi	1.25 mi	19982-36	11968+5	11968+5	20707(Top 81%)	11917(Top 82%)	11917(Top 6111%)
24M	24.00 mi	1.00 mi	19991-9	11947+21	11947+21	20013(Top 78%)	11526(Top 79%)	11526(Top 5911%)
40K	24.85 mi	0.85 mi	20021-30	11941+6	11941+6	20622(Top 81%)	11767(Top 81%)	11767(Top 6034%)
25.2M	25.20 mi	0.35 mi	20034-13	11941	11941	21530(Top 84%)	12247(Top 84%)	12247(Top 6281%)
Finish	26.22 mi	1.02 mi	20122-88	11963-22	11963-22	22217(Top 87%)	12621(Top 87%)	12621(Top 6472%)

12621

Passing Analysis

Category:

Athletes Passed

1237

Passed By

2739

Net Change

-1502

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#18620
5K → 10K	122	646	-524	#18620	#19144
10K → 15K	87	668	-581	#19144	#19725
15K → 20K	151	382	-231	#19725	#19956
20K → Half	27	38	-11	#19956	#19967
Half → 25K	207	135	+72	#19967	#19895
25K → 30K	179	194	-15	#19895	#19910
30K → 20M	67	101	-34	#19910	#19944
20M → 21M	69	114	-45	#19944	#19989
21M → 35K	73	30	+43	#19989	#19946
35K → 23M	80	116	-36	#19946	#19982
23M → 24M	63	72	-9	#19982	#19991
24M → 40K	50	80	-30	#19991	#20021
40K → 25.2M	28	41	-13	#20021	#20034
25.2M → Finish	34	122	-88	#20034	#20122
TOTALS	1237	2739	-1502

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 24 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing