James Pfaff

Somerville, MA

Bib: 18390 M

0:00

0:00

/ mi

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Overall

#0 / 30047

Top 15%

Gender (Male)

#0 / 17709

Top 19%

Division (M20-24)

#0 / 1424

Top 30%

Race Day Weather

42°/32°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

27 ft elev

5K· 3.11 mi

8:52/mi

27:32

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

8:11/mi

52:57

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

8:10/mi

1:18:18

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

8:13/mi

1:48:57

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

8:23/mi

2:09:46

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

9:05/mi

2:38:00

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

8:51/mi

3:05:29

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

9:34/mi

3:35:11

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

9:36/mi

3:48:16

↑ 80 ft↓ 24 ft0.8% grade

74 ft elev

Course Elevation

3–237 ft

≈

×20story building

•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K

1:48:578:21 /mi⚡ faster

2nd Half

1:59:199:04 /mi+9.5%

Positive split — 9.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:32	8:52	3.11 mi	27:32	8:52	-
10K	52:57	8:31	3.10 mi	25:25	8:11	-0:41
15K	1:18:18	8:24	3.11 mi	25:21	8:10	-0:01
21K	1:48:57	8:21	3.73 mi	30:39	8:13	+0:03
25K	2:09:46	8:21	2.48 mi	20:49	8:23	+0:10
30K	2:38:00	8:29	3.11 mi	28:14	9:05	+0:42
35K	3:05:29	8:32	3.11 mi	27:29	8:51	-0:14
40K	3:35:11	8:39	3.10 mi	29:42	9:34	+0:43
Finish(26.22 mi)	3:48:16	8:43	1.37 mi	13:05	9:36	+0:02

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:10 /mi

Average Pace

8:43 /mi

Slowest Pace

9:36 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:37:15

69% of race

Time at Steady Pace

1:11:01

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M20-24	Seg. Overall	Seg. Males	Seg. M20-24
5K	3.11 mi	4866	3839	457	4177	3360	408
10K	3.10 mi	4645+221	3688+151	438+19	4600	3669	435
15K	3.11 mi	4458+187	3558+130	435+3	4177	3360	408
21K	3.73 mi	4170+288	3348+210	417+18	3713	3003	388
25K	2.48 mi	4257-87	3388-40	420-3	5145	3974	464
30K	3.11 mi	4470-213	3507-119	424-4	6417	4765	545
35K	3.11 mi	4325+145	3365+142	412+12	4423	3287	415
40K	3.10 mi	4438-113	3386-21	417-5	6154	4244	494
Finish(26.22 mi)	1.37 mi	4480-42	3407-21	420-3	6327	4245	526

4245

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#4866
5K → 10K	121342*+221	#4866 → #4645
10K → 15K	54241*+187	#4645 → #4458
15K → 21K	28316*+288	#4458 → #4170
21K → 25K	15366-87	#4170 → #4257
25K → 30K	30390*-213	#4257 → #4470
30K → 35K	93238*+145	#4470 → #4325
35K → 40K	269156*-113	#4325 → #4438
40K → Finish	10664*-42	#4438 → #4480
TOTALS	11271513*+386	#4866 → #4480

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

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 20 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

U.S. Marine Corps Community Services (MCCS)

Race timed by

Timing Productions