Brian Birtwhistle

Bib: 58260 M GB

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 59786

Top 41%

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Top 47%

Division (M65-69)

#0 / 593

Top 31%

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

8:42/mi

27:00

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:58/mi

54:49

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:11/mi

1:23:20

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:10/mi

1:51:47

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:36/mi

1:58:13

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:51/mi

2:22:12

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:59/mi

2:53:12

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:25/mi

3:25:31

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:22/mi

3:57:41

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:44/mi

4:13:40

↑ 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

See every mile of your race

Claim this result to add your watch's GPX and unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half

1:58:139:02 /mi⚡ faster

2nd Half

2:15:2710:20 /mi+14.6%

Positive split — 14.6% slower in the second half

AI Race Performance Report

Brian'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	27:00	8:42	3.11 mi	27:00	8:42	-
10K	54:49	8:50	3.10 mi	27:49	8:58	+0:16
15K	1:23:20	8:57	3.11 mi	28:31	9:11	+0:13
20K	1:51:47	9:00	3.11 mi	28:27	9:10	-0:01
Half(13.10 mi)	1:58:13	9:02	0.67 mi	6:26	9:36	+0:26
25K	2:22:12	9:10	2.43 mi	23:59	9:51	+0:15
30K	2:53:12	9:18	3.11 mi	31:00	9:59	+0:08
35K	3:25:31	9:27	3.11 mi	32:19	10:25	+0:26
40K	3:57:41	9:34	3.10 mi	32:10	10:22	-0:03
Finish(26.22 mi)	4:13:40	9:41	1.37 mi	15:59	11:44	+1:22

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Brian's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

8:42 /mi

Average Pace

9:41 /mi

Slowest Pace

11:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:51:47

44% of race

Time at Steady Pace

1:01:25

24% of race

Time at Slower Pace

1:20:28

32% of race

Average Pace: 9:40 /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	M65-69	Seg. Overall	Seg. Males	Seg. M65-69
5K	3.11 mi	22304	16296	16296	23521	17128	17128
10K	3.10 mi	23017-713	16747-451	16747-451	23852	17284	17284
15K	3.11 mi	23086-69	16798-51	16798-51	23521	17128	17128
20K	3.11 mi	23624-538	17156-358	17156-358	25675	18438	18438
Half(13.10 mi)	0.67 mi	23839-215	17298-142	17298-142	26882	19052	19052
25K	2.43 mi	24802-963	17854-556	17854-556	28188	19645	19645
30K	3.11 mi	24941-139	17830+24	17830+24	25359	17618	17618
35K	3.11 mi	24580+361	17393+437	17393+437	24442	16498	16498
40K	3.10 mi	24147+433	16894+499	16894+499	23347	15345	15345
Finish(26.22 mi)	1.37 mi	24720-573	17176-282	17176-282	37570	23003	23003

23003

Passing Analysis

No position changes recorded for this athlete.

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

London Marathon Events

Race timed by

Mika Timing