Zachary Blackwood

Boston, MA

Bib: 1398 M 24

0:00

0:00

/ mi

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Overall

#0 / 1437

Top 0.6%

Gender (Male)

#0 / 830

Top 1.0%

Division (M21-24)

#0 / 45

Top 4%

Race Day Weather

41°/31°F

light rain

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 10 · 204 ft

Mile 15 · 154 ft

Start

0:00

Race begins

343 ft elev

6.2M

6:11/mi

38:19

↑ 218 ft↓ 323 ft0.3% grade

236 ft elev

13.1M

5:51/mi

1:18:41

↑ 132 ft↓ 211 ft0.2% grade

152 ft elev

20M

6:04/mi

2:00:31

↑ 195 ft↓ 222 ft

125 ft elev

Finish· 26.22 mi

7:08/mi

2:44:55

↑ 64 ft↓ 131 ft0.2% grade

60 ft elev

Course Elevation

611ft

Total climb

353ft

Range

58 to 411 ft

894ft

Total descent

About the height of a redwood tree

The Course

Half Splits

1st Half· via 13.1M

1:18:416:00 /mi⚡ faster

2nd Half

1:26:146:34 /mi+9.6%

Positive split — 9.6% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
6.2M	38:19	6:11	6.20 mi	38:19	6:11	-
13.1M	1:18:41	6:00	6.90 mi	40:22	5:51	-0:20
20M	2:00:31	6:02	6.90 mi	41:50	6:04	+0:13
Finish(26.22 mi)	2:44:55	6:18	6.22 mi	44:24	7:08	+1:04

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:51 /mi

Average Pace

6:18 /mi

Slowest Pace

7:08 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

40:22

24% of race

Time at Steady Pace

1:20:09

49% of race

Time at Slower Pace

44:24

27% of race

Average Pace: 6:17 /mi

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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	M21-24	Seg. Overall	Seg. Males	Seg. M21-24
6.2M	6.20 mi	8	7	2	8	7	2
13.1M	6.90 mi	4+4	4+3	1+1	2	2	1
20M	6.90 mi	3+1	3+1	1	3	3	1
Finish(26.22 mi)	6.22 mi	8-5	8-5	2-1	70	60	7

Segment Performance Analysis

Start → 6.2M

0.0 - 6.2 mi

Top 0.6%

343 ft238 ft

↑ 218ft↓ 323ft

175 ft

Overall

Males

M21-24

6.2M→13.1M

6.2 - 13.1 mi

Top 0.1%

231 ft153 ft

↑ 132ft↓ 211ft

79 ft

Overall

Males

M21-24

13.1M→20M

13.1 - 20.0 mi

Top 0.2%

152 ft125 ft

↑ 195ft↓ 222ft

104 ft

Overall

Males

M21-24

20M→Finish

20.0 - 26.2 mi

Top 5%

126 ft60 ft

↑ 64ft↓ 131ft

66 ft

Overall

Males

M21-24

Passing Analysis

No position changes recorded for this athlete.

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All Results

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