Ella Obrien

River Forest

Bib: 50252 F

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F19 and under)

#0 / 123

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

10:16/mi

31:53

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:22/mi

1:07:13

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:00/mi

1:44:31

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

12:37/mi

2:23:44

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:20/mi

2:32:50

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

14:26/mi

3:07:49

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:25/mi

3:52:35

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:03/mi

4:39:20

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:59/mi

5:29:00

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:30/mi

5:44:41

↑ 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

2:32:5011:39 /mi⚡ faster

2nd Half

3:11:5114:38 /mi+25.5%

Positive split — 25.5% slower in the second half

AI Race Performance Report

Ella's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:53	10:16	3.11 mi	31:53	10:16	-
10K	1:07:13	10:49	3.10 mi	35:20	11:22	+1:06
15K	1:44:31	11:13	3.11 mi	37:18	12:00	+0:38
20K	2:23:44	11:34	3.11 mi	39:13	12:37	+0:37
Half(13.11 mi)	2:32:50	11:39	0.68 mi	9:06	13:20	+0:43
25K	3:07:49	12:05	2.42 mi	34:59	14:26	+1:06
30K	3:52:35	12:29	3.11 mi	44:46	14:25	-0:01
35K	4:39:20	12:51	3.11 mi	46:45	15:03	+0:38
40K	5:29:00	13:14	3.10 mi	49:40	15:59	+0:56
Finish(26.22 mi)	5:44:41	13:09	1.37 mi	15:41	11:30	-4:29

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:16 /mi

Average Pace

13:09 /mi

Slowest Pace

15:59 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:00:12

35% of race

Time at Steady Pace

48:19

14% of race

Time at Slower Pace

2:56:10

51% of race

Average Pace: 13:09 /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	F19 and under	Seg. Overall	Seg. Females	Seg. F19 and under
5K	3.11 mi	37742	14069	51	48390	20617	87
10K	3.10 mi	41603-3861	16340-2271	59-8	44474	18135	67
15K	3.11 mi	44580-2977	18172-1832	69-10	48390	20617	87
20K	3.11 mi	45971-1391	19077-905	76-7	48400	20726	91
Half(13.11 mi)	0.68 mi	46133-162	19191-114	75+1	48242	20767	83
25K	2.42 mi	47260-1127	19970-779	83-8	50345	22148	97
30K	3.11 mi	47585-325	20264-294	85-2	48570	21260	89
35K	3.11 mi	47937-352	20573-309	87-2	49029	21716	93
40K	3.10 mi	48368-431	20908-335	88-1	49966	22417	103
Finish(26.22 mi)	1.37 mi	47980+388	20706+202	87+1	37473	16009	72

16009

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Ella's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

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

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing