Haley Serfas

Aliso Viejo

Bib: 39083 F

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F25-29)

#0 / 5362

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

10:25/mi

32:22

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:23/mi

1:04:39

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:23/mi

1:36:56

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:44/mi

2:10:16

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:03/mi

2:19:10

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:25/mi

2:46:51

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:16/mi

3:24:57

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:35/mi

4:04:02

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:10/mi

4:41:51

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:30/mi

4:57:32

↑ 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

2:19:1010:37 /mi⚡ faster

2nd Half

2:38:2212:05 /mi+13.8%

Positive split — 13.8% slower in the second half

AI Race Performance Report

Haley'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	32:22	10:25	3.11 mi	32:22	10:25	-
10K	1:04:39	10:24	3.10 mi	32:17	10:23	-0:02
15K	1:36:56	10:24	3.11 mi	32:17	10:23	0:00
20K	2:10:16	10:29	3.11 mi	33:20	10:44	+0:21
Half(13.11 mi)	2:19:10	10:37	0.68 mi	8:54	13:03	+2:19
25K	2:46:51	10:44	2.42 mi	27:41	11:25	-1:38
30K	3:24:57	11:00	3.11 mi	38:06	12:16	+0:51
35K	4:04:02	11:13	3.11 mi	39:05	12:35	+0:19
40K	4:41:51	11:20	3.10 mi	37:49	12:10	-0:25
Finish(26.22 mi)	4:57:32	11:21	1.37 mi	15:41	11:30	-0:40

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:23 /mi

Average Pace

11:21 /mi

Slowest Pace

13:03 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:10:16

44% of race

Time at Steady Pace

43:22

15% of race

Time at Slower Pace

2:03:54

42% of race

Average Pace: 11:21 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	39120	14856	3297	39742	15209	3479
10K	3.10 mi	38282+838	14377+479	3218+79	37926	14197	3205
15K	3.11 mi	38748-466	14602-225	3296-78	39742	15209	3479
20K	3.11 mi	38952-204	14772-170	3340-44	39877	15442	3565
Half(13.11 mi)	0.68 mi	39710-758	15248-476	3465-125	47440	20246	4628
25K	2.42 mi	39892-182	15450-202	3535-70	40962	16432	3796
30K	3.11 mi	40358-466	15886-436	3666-131	41471	17080	3940
35K	3.11 mi	40504-146	16131-245	3725-59	40550	17006	3927
40K	3.10 mi	39837+667	15924+207	3671+54	35188	14683	3410
Finish(26.22 mi)	1.37 mi	39746+91	15926-2	3678-7	37453	15989	3818

15989

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Haley'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