Johnathan Walshaw

Bib: 17119 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M45-49)

#0 / 4167

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

11:17/mi

35:02

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:09/mi

1:12:46

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:18/mi

1:54:04

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:08/mi

2:37:58

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:05/mi

2:47:25

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:53/mi

3:23:38

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:04/mi

4:13:32

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:14/mi

5:07:02

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

17:20/mi

6:00:51

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

18:19/mi

6:25:49

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:47:2512:47 /mi⚡ faster

2nd Half

3:38:2416:39 /mi+30.5%

Positive split — 30.5% slower in the second half

AI Race Performance Report

Johnathan'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.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	35:02	11:17	3.11 mi	35:02	11:17	-
10K	1:12:46	11:43	3.10 mi	37:44	12:09	+0:52
15K	1:54:04	12:15	3.11 mi	41:18	13:18	+1:09
20K	2:37:58	12:43	3.11 mi	43:54	14:08	+0:50
Half(13.10 mi)	2:47:25	12:47	0.67 mi	9:27	14:05	-0:03
25K	3:23:38	13:07	2.43 mi	36:13	14:53	+0:48
30K	4:13:32	13:37	3.11 mi	49:54	16:04	+1:11
35K	5:07:02	14:08	3.11 mi	53:30	17:14	+1:10
40K	6:00:51	14:32	3.10 mi	53:49	17:20	+0:06
Finish(26.22 mi)	6:25:49	14:44	1.37 mi	24:58	18:19	+0:59

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:17 /mi

Average Pace

14:44 /mi

Slowest Pace

18:19 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:54:04

30% of race

Time at Steady Pace

1:29:34

23% of race

Time at Slower Pace

3:02:11

47% of race

Average Pace: 14:43 /mi

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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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	50356	30817	30817	53787	31817	31817
10K	3.10 mi	51581-1225	31225-408	31225-408	52434	31434	31434
15K	3.11 mi	52511-930	31481-256	31481-256	53787	31817	31817
20K	3.11 mi	53391-880	31717-236	31717-236	55094	32118	32118
Half(13.10 mi)	0.67 mi	53408-17	31695+22	31695+22	53829	31479	31479
25K	2.43 mi	53470-62	31664+31	31664+31	53652	31441	31441
30K	3.11 mi	53957-487	31771-107	31771-107	55464	31992	31992
35K	3.11 mi	54604-647	31942-171	31942-171	56517	32231	32231
40K	3.10 mi	55291-687	32148-206	32148-206	57566	32684	32684
Finish(26.22 mi)	1.37 mi	55709-418	32283-135	32283-135	58701	33140	33140

33140

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#50356
5K → 10K	1605380-1225	#50356 → #51581
10K → 15K	1128198-930	#51581 → #52511
15K → 20K	1044164-880	#52511 → #53391
20K → Half	11194-17	#53391 → #53408
Half → 25K	354292-62	#53408 → #53470
25K → 30K	662175-487	#53470 → #53957
30K → 35K	74093-647	#53957 → #54604
35K → 40K	72437-687	#54604 → #55291
40K → Finish	43315-418	#55291 → #55709
TOTALS	68011448-5353	#50356 → #55709

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing