Barnaby Johnston

Bib: 74513 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 (M50-54)

#0 / 3474

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

10:09/mi

31:29

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:41/mi

1:04:40

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:46/mi

1:41:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:24/mi

2:19:41

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:06/mi

2:28:28

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:40/mi

3:01:45

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:34/mi

3:43:51

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:36/mi

4:29:12

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:32/mi

5:14:19

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:40/mi

5:34:19

↑ 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

2:28:2811:21 /mi⚡ faster

2nd Half

3:05:5114:10 /mi+25.2%

Positive split — 25.2% slower in the second half

AI Race Performance Report

Barnaby's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:29	10:09	3.11 mi	31:29	10:09	-
10K	1:04:40	10:25	3.10 mi	33:11	10:41	+0:32
15K	1:41:11	10:52	3.11 mi	36:31	11:46	+1:05
20K	2:19:41	11:15	3.11 mi	38:30	12:24	+0:38
Half(13.10 mi)	2:28:28	11:21	0.67 mi	8:47	13:06	+0:42
25K	3:01:45	11:42	2.43 mi	33:17	13:40	+0:34
30K	3:43:51	12:01	3.11 mi	42:06	13:34	-0:06
35K	4:29:12	12:23	3.11 mi	45:21	14:36	+1:02
40K	5:14:19	12:39	3.10 mi	45:07	14:32	-0:04
Finish(26.22 mi)	5:34:19	12:46	1.37 mi	20:00	14:40	+0:08

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:09 /mi

Average Pace

12:46 /mi

Slowest Pace

14:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:19:41

42% of race

Time at Steady Pace

1:24:10

25% of race

Time at Slower Pace

1:50:28

33% of race

Average Pace: 12:45 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	40132	26616	26616	47041	29440	29440
10K	3.10 mi	41542-1410	27260-644	27260-644	42869	27792	27792
15K	3.11 mi	43672-2130	28137-877	28137-877	47041	29440	29440
20K	3.11 mi	45732-2060	28904-767	28904-767	49544	30162	30162
Half(13.10 mi)	0.67 mi	46100-368	29010-106	29010-106	50620	30289	30289
25K	2.43 mi	47089-989	29308-298	29308-298	50040	30010	30010
30K	3.11 mi	47065+24	29162+146	29162+146	47064	28477	28477
35K	3.11 mi	47352-287	29160+2	29160+2	48921	28798	28798
40K	3.10 mi	47848-496	29226-66	29226-66	50718	29520	29520
Finish(26.22 mi)	1.37 mi	48267-419	29368-142	29368-142	53467	30810	30810

30810

Passing Analysis

No position changes recorded for this athlete.

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