Donna Pierson

Bib: 11963 F

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 29021

Gender (Female)

#0 / 12578

Masters (Masters Women)

#0 / 6862

Division (F75-79)

#0 / 14

Top 29%

Race Day Weather

51°/41°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

9:30/mi

29:28

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:31/mi

59:01

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

9:40/mi

1:29:01

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

9:54/mi

1:59:45

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

HALF· 13.11 mi

9:53/mi

2:06:29

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

10:15/mi

2:31:19

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

10:35/mi

3:04:10

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

11:07/mi

3:19:15

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

12:22/mi

3:31:37

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

11:49/mi

3:40:27

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

11:38/mi

3:55:00

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

11:18/mi

4:06:18

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

11:34/mi

4:16:11

↓ 20 ft0.3% grade

20 ft elev

25.2M

12:43/mi

4:20:34

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

FINISH· 26.22 mi

11:36/mi

4:32:23

↑ 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

2:06:299:39 /mi⚡ faster

2nd Half

2:25:5411:08 /mi+15.4%

Positive split — 15.4% slower in the second half

Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:28	9:30	3.11 mi	29:28	9:30	-
10K	59:01	9:30	3.10 mi	29:33	9:31	+0:01
15K	1:29:01	9:34	3.11 mi	30:00	9:40	+0:09
20K	1:59:45	9:39	3.11 mi	30:44	9:54	+0:14
HALF(13.11 mi)	2:06:29	9:39	0.68 mi	6:44	9:53	-0:01
25K	2:31:19	9:45	2.42 mi	24:50	10:15	+0:22
30K	3:04:10	9:53	3.11 mi	32:51	10:35	+0:20
20M	3:19:15	9:58	1.36 mi	15:05	11:07	+0:32
21M	3:31:37	10:05	1.00 mi	12:22	12:22	+1:15
35K	3:40:27	10:09	0.75 mi	8:50	11:49	-0:33
23M	3:55:00	10:14	1.25 mi	14:33	11:38	-0:11
24M	4:06:18	10:16	1.00 mi	11:18	11:18	-0:20
40K	4:16:11	10:19	0.85 mi	9:53	11:34	+0:16
25.2M	4:20:34	10:21	0.35 mi	4:23	12:43	+1:09
FINISH(26.22 mi)	4:32:23	10:24	1.02 mi	11:49	11:36	-1:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:30 /mi

Average Pace

10:24 /mi

Slowest Pace

12:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:04:10

68% of race

Time at Steady Pace

48:05

18% of race

Time at Slower Pace

40:08

15% 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	F75-79	Seg. Overall	Seg. Females	Seg. F75-79
5K	3.11 mi	24445	9901	9901	24851	10099	10099
10K	3.10 mi	24523-78	9929-28	9929-28	24623	9985	9985
15K	3.11 mi	24645-122	9987-58	9987-58	24851	10099	10099
20K	3.11 mi	24677-32	10009-22	10009-22	24786	10095	10095
HALF(13.11 mi)	0.68 mi	24730-53	10037-28	10037-28	25387	10424	10424
25K	2.42 mi	24761-31	10067-30	10067-30	24874	10164	10164
30K	3.11 mi	24703+58	10059+8	10059+8	24469	10098	10098
20M	1.36 mi	24730-27	10090-31	10090-31	25115	10498	10498
21M	1.00 mi	24776-46	10143-53	10143-53	25599	10819	10819
35K	0.75 mi	24850-74	10181-38	10181-38	26511	11304	11304
23M	1.25 mi	24919-69	10244-63	10244-63	25617	10872	10872
24M	1.00 mi	24969-50	10277-33	10277-33	25627	10913	10913
40K	0.85 mi	24978-9	10296-19	10296-19	25207	10739	10739
25.2M	0.35 mi	24995-17	10316-20	10316-20	25693	10967	10967
FINISH(26.22 mi)	1.02 mi	25113-118	10387-71	10387-71	26992	11634	11634

11634

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#24445
5K → 10K	280202-78	#24445 → #24523
10K → 15K	20482-122	#24523 → #24645
15K → 20K	148116-32	#24645 → #24677
20K → HALF	629-53	#24677 → #24730
HALF → 25K	12089-31	#24730 → #24761
25K → 30K	94152+58	#24761 → #24703
30K → 20M	8659-27	#24703 → #24730
20M → 21M	8438-46	#24730 → #24776
21M → 35K	8814-74	#24776 → #24850
35K → 23M	11041-69	#24850 → #24919
23M → 24M	8030-50	#24919 → #24969
24M → 40K	4435-9	#24969 → #24978
40K → 25.2M	3215-17	#24978 → #24995
25.2M → FINISH	13012-118	#24995 → #25113
TOTALS	1562894-668	#24445 → #25113

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

OTQ

Olympic Trials Qualifying analysis available

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Quick Links

Find another athlete or browse the full results

Search for another athlete

All Results

Browse complete race results with filtering

→

Results processed about 1 month ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing