Santiago Serna

Boston, MA

Bib: 8658 M

0:00

0:00

/ mi

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Overall

#0 / 15907

Top 29%

Gender (Male)

#0 / 9934

Top 34%

Division (M30-34)

#0 / 1564

Top 39%

Race Day Weather

43°/33°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

27 ft elev

5K· 3.11 mi

9:54/mi

30:46

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

9:27/mi

1:00:09

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

9:48/mi

1:30:35

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

9:15/mi

2:05:03

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

8:39/mi

2:26:34

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

9:10/mi

2:55:04

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

8:39/mi

3:21:58

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

8:50/mi

3:49:25

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

8:35/mi

4:01:07

↑ 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

2:05:039:35 /mi+7.2%

2nd Half

1:56:038:49 /mi✓ faster

Negative split — 7.2% faster in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:46	9:54	3.11 mi	30:46	9:54	-
10K	1:00:09	9:41	3.10 mi	29:23	9:27	-0:27
15K	1:30:35	9:43	3.11 mi	30:26	9:48	+0:21
21K	2:05:03	9:35	3.73 mi	34:28	9:15	-0:33
25K	2:26:34	9:26	2.48 mi	21:31	8:39	-0:36
30K	2:55:04	9:23	3.11 mi	28:30	9:10	+0:31
35K	3:21:58	9:17	3.11 mi	26:54	8:39	-0:31
40K	3:49:25	9:14	3.10 mi	27:27	8:50	+0:11
Finish(26.22 mi)	4:01:07	9:12	1.37 mi	11:42	8:35	-0:15

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:35 /mi

Average Pace

9:12 /mi

Slowest Pace

9:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:30:32

62% of race

Time at Steady Pace

1:30:35

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:12 /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	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
5K	3.11 mi	7367	5394	933	8038	5805	1005
10K	3.10 mi	7571-204	5552-158	960-27	7758	5681	986
15K	3.11 mi	7700-129	5614-62	974-14	8038	5805	1005
21K	3.73 mi	7050+650	5199+415	908+66	5709	4322	760
25K	2.48 mi	6529+521	4862+337	859+49	4249	3270	591
30K	3.11 mi	5988+541	4456+406	784+75	4171	3168	567
35K	3.11 mi	5267+721	3918+538	694+90	2632	1991	380
40K	3.10 mi	4681+586	3495+423	620+74	2326	1727	325
Finish(26.22 mi)	1.37 mi	4501+180	3365+130	600+20	2058	1543	281

1543

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#7367
5K → 10K	333129*-204	#7367 → #7571
10K → 15K	257128*-129	#7571 → #7700
15K → 21K	9659*+650	#7700 → #7050
21K → 25K	1522*+521	#7050 → #6529
25K → 30K	6547*+541	#6529 → #5988
30K → 35K	2723*+721	#5988 → #5267
35K → 40K	5591*+586	#5267 → #4681
40K → Finish	8188*+180	#4681 → #4501
TOTALS	6213487*+2866	#7367 → #4501

* 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 19 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