Donna Pierson

Tucson

Bib: 37654 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Division (F70-74)

#0 / 47

Top 21%

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

10:01/mi

31:06

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:00/mi

1:02:11

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:32/mi

1:34:56

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:25/mi

2:07:18

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:48/mi

2:14:40

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:32/mi

2:40:12

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:55/mi

3:14:06

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:37/mi

3:50:12

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:43/mi

4:29:44

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:10/mi

4:49:04

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

2:14:4010:16 /mi⚡ faster

2nd Half

2:34:2411:47 /mi+14.7%

Positive split — 14.7% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:06	10:01	3.11 mi	31:06	10:01	-
10K	1:02:11	10:00	3.10 mi	31:05	10:00	-0:01
15K	1:34:56	10:11	3.11 mi	32:45	10:32	+0:32
20K	2:07:18	10:15	3.11 mi	32:22	10:25	-0:07
Half(13.11 mi)	2:14:40	10:16	0.68 mi	7:22	10:48	+0:23
25K	2:40:12	10:19	2.42 mi	25:32	10:32	-0:16
30K	3:14:06	10:25	3.11 mi	33:54	10:55	+0:23
35K	3:50:12	10:35	3.11 mi	36:06	11:37	+0:42
40K	4:29:44	10:51	3.10 mi	39:32	12:43	+1:06
Finish(26.22 mi)	4:49:04	11:02	1.37 mi	19:20	14:10	+1:27

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:00 /mi

Average Pace

11:02 /mi

Slowest Pace

14:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:02:11

22% of race

Time at Steady Pace

2:11:55

46% of race

Time at Slower Pace

1:34:58

33% 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	F70-74	Seg. Overall	Seg. Females	Seg. F70-74
5K	3.11 mi	35626	12917	8	40880	15897	11
10K	3.10 mi	35162+464	12666+251	8	34999	12617	8
15K	3.11 mi	37052-1890	13686-1020	8	40880	15897	11
20K	3.11 mi	37174-122	13769-83	8	37759	14194	7
Half(13.11 mi)	0.68 mi	37175-1	13774-5	8	37636	14339	8
25K	2.42 mi	36811+364	13645+129	8	35892	13523	8
30K	3.11 mi	36263+548	13494+151	7+1	34696	13225	5
35K	3.11 mi	36116+147	13623-129	7	35834	14402	8
40K	3.10 mi	36433-317	14013-390	8-1	37944	16112	9
Finish(26.22 mi)	1.37 mi	37479-1046	14665-652	10-2	48982	21916	26

21916

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing