Alex Challis

London

Bib: 55580 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Division (M40-44)

#0 / 4329

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

9:50/mi

30:33

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:36/mi

1:00:21

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:33/mi

1:30:00

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:42/mi

2:00:07

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:52/mi

2:06:51

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:49/mi

2:30:39

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:54/mi

3:07:38

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:33/mi

3:43:32

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:59/mi

4:23:52

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:58/mi

4:37:28

↑ 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

2:06:519:41 /mi⚡ faster

2nd Half

2:30:3711:29 /mi+18.7%

Positive split — 18.7% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:33	9:50	3.11 mi	30:33	9:50	-
10K	1:00:21	9:43	3.10 mi	29:48	9:36	-0:14
15K	1:30:00	9:39	3.11 mi	29:39	9:33	-0:03
20K	2:00:07	9:40	3.11 mi	30:07	9:42	+0:09
Half(13.11 mi)	2:06:51	9:41	0.68 mi	6:44	9:52	+0:10
25K	2:30:39	9:42	2.42 mi	23:48	9:49	-0:03
30K	3:07:38	10:04	3.11 mi	36:59	11:54	+2:05
35K	3:43:32	10:17	3.11 mi	35:54	11:33	-0:21
40K	4:23:52	10:37	3.10 mi	40:20	12:59	+1:26
Finish(26.22 mi)	4:37:28	10:35	1.37 mi	13:36	9:58	-3:01

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:33 /mi

Average Pace

10:35 /mi

Slowest Pace

12:59 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:44:15

59% of race

Time at Slower Pace

1:53:13

41% of race

Average Pace: 10:35 /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	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	34073	21990	3338	32860	21454	3252
10K	3.10 mi	32773+1300	21366+624	3252+86	31715	20801	3174
15K	3.11 mi	32741+32	21364+2	3252	32860	21454	3252
20K	3.11 mi	32515+226	21269+95	3233+19	32068	21019	3173
Half(13.11 mi)	0.68 mi	32335+180	21165+104	3214+19	31140	20418	3078
25K	2.42 mi	31964+371	20924+241	3171+43	30763	20145	3050
30K	3.11 mi	33644-1680	21558-634	3247-76	39942	23719	3547
35K	3.11 mi	33900-256	21491+67	3236+11	35466	21261	3194
40K	3.10 mi	34771-871	21678-187	3277-41	39116	22391	3347
Finish(26.22 mi)	1.37 mi	34348+423	21396+282	3225+52	26163	16134	2464

16134

Passing Analysis

No position changes recorded for this athlete.

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All Results

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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