Alfie Barns

Bib: 61603 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 41%

Gender (Male)

#0 / 33594

Division (M18-39)

#0 / 16712

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

8:48/mi

27:20

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:00/mi

55:15

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:31/mi

1:24:46

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:15/mi

1:53:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:40/mi

1:59:58

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:42/mi

2:23:34

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:10/mi

2:55:09

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:21/mi

3:27:17

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:12/mi

3:58:57

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:13/mi

4:12:53

↑ 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

1:59:589:10 /mi⚡ faster

2nd Half

2:12:5510:08 /mi+10.8%

Positive split — 10.8% slower in the second half

AI Race Performance Report

Alfie'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	27:20	8:48	3.11 mi	27:20	8:48	-
10K	55:15	8:54	3.10 mi	27:55	9:00	+0:12
15K	1:24:46	9:06	3.11 mi	29:31	9:31	+0:31
20K	1:53:29	9:08	3.11 mi	28:43	9:15	-0:16
Half(13.10 mi)	1:59:58	9:10	0.67 mi	6:29	9:40	+0:25
25K	2:23:34	9:15	2.43 mi	23:36	9:42	+0:02
30K	2:55:09	9:24	3.11 mi	31:35	10:10	+0:28
35K	3:27:17	9:32	3.11 mi	32:08	10:21	+0:11
40K	3:58:57	9:37	3.10 mi	31:40	10:12	-0:09
Finish(26.22 mi)	4:12:53	9:40	1.37 mi	13:56	10:13	+0:01

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:48 /mi

Average Pace

9:39 /mi

Slowest Pace

10:21 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:59:58

47% of race

Time at Steady Pace

2:12:55

53% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:39 /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	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	23731	17195	17195	27844	19846	19846
10K	3.10 mi	23943-212	17313-118	17313-118	24302	17556	17556
15K	3.11 mi	25210-1267	18176-863	18176-863	27844	19846	19846
20K	3.11 mi	25529-319	18353-177	18353-177	26576	18980	18980
Half(13.10 mi)	0.67 mi	25668-139	18439-86	18439-86	27555	19450	19450
25K	2.43 mi	25914-246	18553-114	18553-114	26983	18955	18955
30K	3.11 mi	26007-93	18471+82	18471+82	26688	18376	18376
35K	3.11 mi	25329+678	17840+631	17840+631	24100	16310	16310
40K	3.10 mi	24581+748	17164+676	17164+676	22225	14714	14714
Finish(26.22 mi)	1.37 mi	24447+134	17007+157	17007+157	24824	16178	16178

16178

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#23731
5K → 10K	723511-212	#23731 → #23943
10K → 15K	1452185-1267	#23943 → #25210
15K → 20K	670351-319	#25210 → #25529
20K → Half	21374-139	#25529 → #25668
Half → 25K	628382-246	#25668 → #25914
25K → 30K	636543-93	#25914 → #26007
30K → 35K	257935+678	#26007 → #25329
35K → 40K	134882+748	#25329 → #24581
40K → Finish	107241+134	#24581 → #24447
TOTALS	48204104-716	#23731 → #24447

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