Jillian Macdonald

Bib: 27571 F

0:00

0:00

/ mi

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Overall

#0 / 28404

Gender (Female)

#0 / 12228

Division (F18-39)

#0 / 5469

Race Day Weather

50°/40°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

10:00/mi

31:05

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:57/mi

1:02:01

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

10:09/mi

1:33:33

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

10:27/mi

2:06:02

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

9:45/mi

2:12:41

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

10:26/mi

2:37:59

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

12:04/mi

3:15:27

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

11:52/mi

3:31:34

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

12:13/mi

3:43:47

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

11:14/mi

3:52:11

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

11:53/mi

4:07:04

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

13:14/mi

4:20:18

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

15:47/mi

4:33:48

↓ 20 ft0.3% grade

20 ft elev

25.2M

12:48/mi

4:38:13

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

10:18/mi

4:48:43

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half

2:12:4110:07 /mi⚡ faster

2nd Half

2:36:0211:54 /mi+17.6%

Positive split — 17.6% slower in the second half

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See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:05	10:00	3.11 mi	31:05	10:00	-
10K	1:02:01	9:59	3.10 mi	30:56	9:57	-0:03
15K	1:33:33	10:02	3.11 mi	31:32	10:09	+0:12
20K	2:06:02	10:08	3.11 mi	32:29	10:27	+0:18
Half(13.11 mi)	2:12:41	10:07	0.68 mi	6:39	9:45	-0:42
25K	2:37:59	10:10	2.42 mi	25:18	10:26	+0:41
30K	3:15:27	10:29	3.11 mi	37:28	12:04	+1:38
20M	3:31:34	10:35	1.36 mi	16:07	11:52	-0:12
21M	3:43:47	10:39	1.00 mi	12:13	12:13	+0:21
35K	3:52:11	10:41	0.75 mi	8:24	11:14	-0:59
23M	4:07:04	10:45	1.25 mi	14:53	11:53	+0:39
24M	4:20:18	10:51	1.00 mi	13:14	13:14	+1:21
40K	4:33:48	11:01	0.85 mi	13:30	15:47	+2:33
25.2M	4:38:13	11:02	0.35 mi	4:25	12:48	-2:59
Finish(26.22 mi)	4:48:43	11:01	1.02 mi	10:30	10:18	-2:30

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:45 /mi

Average Pace

11:01 /mi

Slowest Pace

15:47 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:16:00

47% of race

Time at Steady Pace

1:11:53

25% of race

Time at Slower Pace

1:20:50

28% of race

Average Pace: 11:01 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	25581	10528	10528	25303	10404	10404
10K	3.10 mi	25392+189	10447+81	10447+81	25203	10343	10343
15K	3.11 mi	25380+12	10430+17	10430+17	25303	10404	10404
20K	3.11 mi	25317+63	10417+13	10417+13	25116	10326	10326
Half(13.11 mi)	0.68 mi	25262+55	10385+32	10385+32	24212	9832	9832
25K	2.42 mi	25065+197	10288+97	10288+97	24242	9877	9877
30K	3.11 mi	25211-146	10398-110	10398-110	25670	10769	10769
20M	1.36 mi	25213-2	10416-18	10416-18	25061	10510	10510
21M	1.00 mi	25161+52	10398+18	10398+18	23942	10002	10002
35K	0.75 mi	25144+17	10399-1	10399-1	24641	10401	10401
23M	1.25 mi	25134+10	10406-7	10406-7	24936	10570	10570
24M	1.00 mi	25241-107	10474-68	10474-68	27073	11674	11674
40K	0.85 mi	25462-221	10604-130	10604-130	28038	12115	12115
25.2M	0.35 mi	25455+7	10600+4	10600+4	24708	10526	10526
Finish(26.22 mi)	1.02 mi	25398+57	10577+23	10577+23	23779	10064	10064

10064

Passing Analysis

Category:

Passed

1252

Passed By

1069

Net Change

+183

Segment	Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#25581
5K → 10K	294	105	+189	#25581	#25392
10K → 15K	141	129	+12	#25392	#25380
15K → 20K	152	89	+63	#25380	#25317
20K → Half	56	1	+55	#25317	#25262
Half → 25K	210	13	+197	#25262	#25065
25K → 30K	89	235	-146	#25065	#25211
30K → 20M	51	53	-2	#25211	#25213
20M → 21M	80	28	+52	#25213	#25161
21M → 35K	34	17	+17	#25161	#25144
35K → 23M	43	33	+10	#25144	#25134
23M → 24M	14	121	-107	#25134	#25241
24M → 40K	5	226	-221	#25241	#25462
40K → 25.2M	14	7	+7	#25462	#25455
25.2M → Finish	69	12	+57	#25455	#25398
TOTALS	1252	1069	+183

Passing Charts

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing