Donna Pierson

Bib: 16960 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Gender (Female)

#0 / 12228

Masters (Masters Women)

#0 / 6759

Division (F70-74)

#0 / 71

Top 30%

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

9:14/mi

28:42

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:36/mi

58:32

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

9:47/mi

1:28:57

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

10:04/mi

2:00:15

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

9:58/mi

2:07:03

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

10:28/mi

2:32:26

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

11:05/mi

3:06:53

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

11:16/mi

3:22:11

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

12:10/mi

3:34:21

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

11:03/mi

3:42:37

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

10:56/mi

3:56:18

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

10:41/mi

4:06:59

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

11:09/mi

4:16:31

↓ 20 ft0.3% grade

20 ft elev

25.2M

12:46/mi

4:20:55

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

11:10/mi

4:32:18

↑ 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

2:07:039:41 /mi⚡ faster

2nd Half

2:25:1511:05 /mi+14.3%

Positive split — 14.3% slower in the second half

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:42	9:14	3.11 mi	28:42	9:14	-
10K	58:32	9:25	3.10 mi	29:50	9:36	+0:22
15K	1:28:57	9:33	3.11 mi	30:25	9:47	+0:11
20K	2:00:15	9:41	3.11 mi	31:18	10:04	+0:17
Half(13.11 mi)	2:07:03	9:41	0.68 mi	6:48	9:58	-0:06
25K	2:32:26	9:49	2.42 mi	25:23	10:28	+0:30
30K	3:06:53	10:02	3.11 mi	34:27	11:05	+0:37
20M	3:22:11	10:07	1.36 mi	15:18	11:16	+0:11
21M	3:34:21	10:12	1.00 mi	12:10	12:10	+0:54
35K	3:42:37	10:14	0.75 mi	8:16	11:03	-1:07
23M	3:56:18	10:16	1.25 mi	13:41	10:56	-0:07
24M	4:06:59	10:17	1.00 mi	10:41	10:41	-0:15
40K	4:16:31	10:19	0.85 mi	9:32	11:09	+0:28
25.2M	4:20:55	10:21	0.35 mi	4:24	12:46	+1:37
Finish(26.22 mi)	4:32:18	10:24	1.02 mi	11:23	11:10	-1:36

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:14 /mi

Average Pace

10:24 /mi

Slowest Pace

12:46 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:32:26

56% of race

Time at Steady Pace

1:43:18

38% of race

Time at Slower Pace

16:34

6% of race

Average Pace: 10:23 /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	F70-74	Seg. Overall	Seg. Females	Seg. F70-74
5K	3.11 mi	23356	9363	9363	24529	9973	9973
10K	3.10 mi	23951-595	9659-296	9659-296	24377	9898	9898
15K	3.11 mi	24158-207	9760-101	9760-101	24529	9973	9973
20K	3.11 mi	24239-81	9828-68	9828-68	24403	9935	9935
Half(13.11 mi)	0.68 mi	24274-35	9852-24	9852-24	24780	10147	10147
25K	2.42 mi	24284-10	9869-17	9869-17	24322	9922	9922
30K	3.11 mi	24290-6	9890-21	9890-21	24170	9959	9959
20M	1.36 mi	24280+10	9899-9	9899-9	24121	10016	10016
21M	1.00 mi	24246+34	9897+2	9897+2	23885	9967	9967
35K	0.75 mi	24249-3	9914-17	9914-17	24329	10239	10239
23M	1.25 mi	24186+63	9900+14	9900+14	23068	9642	9642
24M	1.00 mi	24155+31	9898+2	9898+2	23295	9784	9784
40K	0.85 mi	24135+20	9900-2	9900-2	23470	9930	9930
25.2M	0.35 mi	24150-15	9912-12	9912-12	24696	10514	10514
Finish(26.22 mi)	1.02 mi	24216-66	9950-38	9950-38	25672	10989	10989

10989

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#23356
5K → 10K	66873-595	#23356 → #23951
10K → 15K	28679-207	#23951 → #24158
15K → 20K	199118-81	#24158 → #24239
20K → Half	4914-35	#24239 → #24274
Half → 25K	124114-10	#24274 → #24284
25K → 30K	149143-6	#24284 → #24290
30K → 20M	6070+10	#24290 → #24280
20M → 21M	4680+34	#24280 → #24246
21M → 35K	3734-3	#24246 → #24249
35K → 23M	3194+63	#24249 → #24186
23M → 24M	2556+31	#24186 → #24155
24M → 40K	3454+20	#24155 → #24135
40K → 25.2M	2712-15	#24135 → #24150
25.2M → Finish	8519-66	#24150 → #24216
TOTALS	1820960-860	#23356 → #24216

Passing Visualized

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