Rachel Ziff

Boston, MA

Bib: 12661 F

0:00

0:00

/ mi

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Overall

#0 / 30047

Top 48%

Gender (Female)

#0 / 12338

Top 40%

Division (F20-24)

#0 / 1404

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

9:40/mi

30:01

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

9:12/mi

58:37

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

9:20/mi

1:27:38

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

10:09/mi

2:05:27

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

10:22/mi

2:31:13

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

11:00/mi

3:05:24

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

12:03/mi

3:42:50

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

13:14/mi

4:23:57

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

12:06/mi

4:40:27

↑ 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

2:05:279:37 /mi⚡ faster

2nd Half

2:35:0011:46 /mi+23.6%

Positive split — 23.6% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:01	9:40	3.11 mi	30:01	9:40	-
10K	58:37	9:26	3.10 mi	28:36	9:12	-0:28
15K	1:27:38	9:24	3.11 mi	29:01	9:20	+0:08
21K	2:05:27	9:37	3.73 mi	37:49	10:09	+0:49
25K	2:31:13	9:44	2.48 mi	25:46	10:22	+0:13
30K	3:05:24	9:57	3.11 mi	34:11	11:00	+0:38
35K	3:42:50	10:15	3.11 mi	37:26	12:03	+1:03
40K	4:23:57	10:37	3.10 mi	41:07	13:14	+1:11
Finish(26.22 mi)	4:40:27	10:42	1.37 mi	16:30	12:06	-1:08

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:12 /mi

Average Pace

10:42 /mi

Slowest Pace

13:14 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:27:38

31% of race

Time at Steady Pace

1:37:46

35% of race

Time at Slower Pace

1:35:03

34% of race

Average Pace: 10:42 /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	Females	F20-24	Seg. Overall	Seg. Females	Seg. F20-24
5K	3.11 mi	9598	2583	464	11038	3105	545
10K	3.10 mi	10161-563	2769-186	485-21	10765	2975	520
15K	3.11 mi	10436-275	2867-98	504-19	11038	3105	545
21K	3.73 mi	11422-986	3253-386	553-49	13944	4336	706
25K	2.48 mi	12043-621	3546-293	600-47	15303	5137	839
30K	3.11 mi	12455-412	3797-251	636-36	14749	5116	836
35K	3.11 mi	13184-729	4234-437	703-67	16822	6443	969
40K	3.10 mi	14213-1029	4805-571	787-84	19036	7603	1083
Finish(26.22 mi)	1.37 mi	14317-104	4895-90	797-10	16063	6315	991

6315

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#9598
5K → 10K	687124*-563	#9598 → #10161
10K → 15K	404129*-275	#10161 → #10436
15K → 21K	107387*-986	#10436 → #11422
21K → 25K	741120*-621	#11422 → #12043
25K → 30K	599187*-412	#12043 → #12455
30K → 35K	915186*-729	#12455 → #13184
35K → 40K	112495*-1029	#13184 → #14213
40K → Finish	19389*-104	#14213 → #14317
TOTALS	57361017*-4719	#9598 → #14317

* 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

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Race managed by

U.S. Marine Corps Community Services (MCCS)

Race timed by

Timing Productions