Tatsuya Arai

Los Altos Hls, CA

Bib: 9576 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 30047

Top 2%

Gender (Male)

#0 / 17709

Top 4%

Masters (Masters Men)

#0 / 8330

Top 2%

Division (M45-49)

#0 / 1775

Top 2%

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

8:24/mi

26:07

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

7:03/mi

48:01

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

6:45/mi

1:08:58

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

6:46/mi

1:34:13

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

6:40/mi

1:50:47

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

6:58/mi

2:12:25

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

7:22/mi

2:35:18

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

7:07/mi

2:57:24

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

8:07/mi

3:08:28

↑ 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

1:34:137:13 /mi⚖️ balanced

2nd Half

1:34:157:09 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:07	8:24	3.11 mi	26:07	8:24	-
10K	48:01	7:44	3.10 mi	21:54	7:03	-1:21
15K	1:08:58	7:24	3.11 mi	20:57	6:45	-0:18
21K	1:34:13	7:13	3.73 mi	25:15	6:46	+0:01
25K	1:50:47	7:08	2.48 mi	16:34	6:40	-0:06
30K	2:12:25	7:06	3.11 mi	21:38	6:58	+0:18
35K	2:35:18	7:08	3.11 mi	22:53	7:22	+0:24
40K	2:57:24	7:08	3.10 mi	22:06	7:07	-0:15
Finish(26.22 mi)	3:08:28	7:12	1.37 mi	11:04	8:07	+1:00

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:40 /mi

Average Pace

7:12 /mi

Slowest Pace

8:24 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

37:31

20% of race

Time at Steady Pace

1:30:53

48% of race

Time at Slower Pace

1:00:04

32% of race

Average Pace: 7:11 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	2811	2298	172	618	578	30
10K	3.10 mi	1824+987	1524+774	115+57	1021	912	65
15K	3.11 mi	1343+481	1167+357	92+23	618	578	30
21K	3.73 mi	949+394	856+311	61+31	393	371	14
25K	2.48 mi	860+89	782+74	52+9	546	514	21
30K	3.11 mi	775+85	707+75	46+6	546	503	20
35K	3.11 mi	742+33	676+31	41+5	797	706	46
40K	3.10 mi	665+77	609+67	38+3	454	419	21
Finish(26.22 mi)	1.37 mi	701-36	636-27	42-4	1726	1340	94

1340

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#2811
5K → 10K	0987*+987	#2811 → #1824
10K → 15K	0481+481	#1824 → #1343
15K → 21K	0394*+394	#1343 → #949
21K → 25K	190+89	#949 → #860
25K → 30K	186*+85	#860 → #775
30K → 35K	1750+33	#775 → #742
35K → 40K	885+77	#742 → #665
40K → Finish	404*-36	#665 → #701
TOTALS	672177*+2110	#2811 → #701

* 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 16 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