Susan Mcdonald

Bib: 2792 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 20%

Gender (Female)

#0 / 12228

Top 5%

Masters (Masters Women)

#0 / 6759

Top 1%

Division (F55-59)

#0 / 994

Top 0.2%

Race Day Weather

50°/40°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 2 · 298 ft

Mile 4 · 178 ft

Mile 8 · 159 ft

Mile 10 · 171 ft

Mile 14 · 142 ft

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

6:27/mi

20:01

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

6:41/mi

40:46

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

6:52/mi

1:02:06

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

7:05/mi

1:24:06

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

6:53/mi

1:28:48

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

7:07/mi

1:46:03

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

7:25/mi

2:09:05

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

7:51/mi

2:19:45

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

7:51/mi

2:27:35

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

7:02/mi

2:32:51

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

7:18/mi

2:41:59

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

7:18/mi

2:49:17

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

7:07/mi

2:55:22

↓ 20 ft0.3% grade

20 ft elev

25.2M

7:56/mi

2:58:06

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

6:55/mi

3:05:09

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

890ft

Total climb

462ft

Range

7 to 469 ft

1,342ft

Total descent

About the height of two redwood trees

The Course

Half Splits

1st Half· via Half

1:28:486:46 /mi⚡ faster

2nd Half

1:36:217:21 /mi+8.5%

Positive split — 8.5% 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
5K	20:01	6:27	3.11 mi	20:01	6:27	-
10K	40:46	6:34	3.10 mi	20:45	6:41	+0:14
15K	1:02:06	6:40	3.11 mi	21:20	6:52	+0:11
20K	1:24:06	6:46	3.11 mi	22:00	7:05	+0:13
Half(13.11 mi)	1:28:48	6:46	0.68 mi	4:42	6:53	-0:12
25K	1:46:03	6:50	2.42 mi	17:15	7:07	+0:14
30K	2:09:05	6:55	3.11 mi	23:02	7:25	+0:18
20M	2:19:45	6:59	1.36 mi	10:40	7:51	+0:26
21M	2:27:35	7:02	1.00 mi	7:50	7:51	0:00
35K	2:32:51	7:02	0.75 mi	5:16	7:02	-0:49
23M	2:41:59	7:03	1.25 mi	9:08	7:18	+0:16
24M	2:49:17	7:03	1.00 mi	7:18	7:18	0:00
40K	2:55:22	7:03	0.85 mi	6:05	7:07	-0:11
25.2M	2:58:06	7:04	0.35 mi	2:44	7:56	+0:49
Finish(26.22 mi)	3:05:09	7:04	1.02 mi	7:03	6:55	-1:01

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:27 /mi

Average Pace

7:04 /mi

Slowest Pace

7:56 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:06:48

36% of race

Time at Steady Pace

1:14:05

40% of race

Time at Slower Pace

44:16

24% of race

Average Pace: 7:04 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	3438	166	166	6734	664	664
10K	3.10 mi	4221-783	242-76	242-76	5171	355	355
15K	3.11 mi	4906-685	320-78	320-78	6734	664	664
20K	3.11 mi	5655-749	448-128	448-128	7416	896	896
Half(13.11 mi)	0.68 mi	5725-70	459-11	459-11	6873	731	731
25K	2.42 mi	5954-229	523-64	523-64	7073	878	878
30K	3.11 mi	6144-190	589-66	589-66	7141	1064	1064
20M	1.36 mi	6310-166	629-40	629-40	9331	2149	2149
21M	1.00 mi	6262+48	634-5	634-5	6435	1088	1088
35K	0.75 mi	6197+65	632+2	632+2	5673	808	808
23M	1.25 mi	6066+131	621+11	621+11	5477	823	823
24M	1.00 mi	6030+36	627-6	627-6	6369	1227	1227
40K	0.85 mi	5924+106	619+8	619+8	4602	666	666
25.2M	0.35 mi	5885+39	617+2	617+2	5613	1076	1076
Finish(26.22 mi)	1.02 mi	5785+100	616+1	616+1	5236	940	940

940

Passing Analysis

No position changes recorded for this athlete.

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All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing