Caitrin MacDonald

Somerville

Bib: 61495 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 42%

Gender (Female)

#0 / 24561

Top 29%

Masters (Masters Women)

#0 / 9409

Top 26%

Division (F45-49)

#0 / 2581

Top 29%

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

9:10/mi

28:30

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:16/mi

57:16

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:59/mi

1:25:12

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:01/mi

1:53:13

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:10/mi

1:59:28

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:55/mi

2:21:04

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:16/mi

2:49:50

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:02/mi

3:17:54

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:11/mi

3:46:27

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:45/mi

3:58:23

↑ 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

1:59:289:07 /mi⚖️ balanced

2nd Half

1:58:559:04 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:30	9:10	3.11 mi	28:30	9:10	-
10K	57:16	9:13	3.10 mi	28:46	9:16	+0:06
15K	1:25:12	9:08	3.11 mi	27:56	8:59	-0:17
20K	1:53:13	9:07	3.11 mi	28:01	9:01	+0:02
Half(13.11 mi)	1:59:28	9:07	0.68 mi	6:15	9:10	+0:09
25K	2:21:04	9:05	2.42 mi	21:36	8:55	-0:15
30K	2:49:50	9:07	3.11 mi	28:46	9:16	+0:21
35K	3:17:54	9:06	3.11 mi	28:04	9:02	-0:14
40K	3:46:27	9:07	3.10 mi	28:33	9:11	+0:09
Finish(26.22 mi)	3:58:23	9:06	1.37 mi	11:56	8:45	-0:26

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:45 /mi

Average Pace

9:06 /mi

Slowest Pace

9:16 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:00:51

76% of race

Time at Steady Pace

57:32

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	27660	8925	974	27558	8759	925
10K	3.10 mi	28003-343	9074-149	989-15	28577	9361	1003
15K	3.11 mi	27805+198	8926+148	961+28	27558	8759	925
20K	3.11 mi	27108+697	8609+317	922+39	25672	7939	829
Half(13.11 mi)	0.68 mi	26945+163	8536+73	918+4	25238	7850	825
25K	2.42 mi	26112+833	8191+345	879+39	22996	6936	730
30K	3.11 mi	25471+641	8013+178	857+22	23557	7479	774
35K	3.11 mi	24182+1289	7587+426	798+59	18979	5824	612
40K	3.10 mi	22846+1336	7203+384	753+45	16850	5395	564
Finish(26.22 mi)	1.37 mi	22433+413	7069+134	741+12	16046	5235	507

5235

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