Sam Bass

Bib: 25081 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

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

9:54/mi

30:45

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:42/mi

1:00:53

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:00/mi

1:31:55

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:48/mi

2:02:21

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:10/mi

2:09:10

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:13/mi

2:34:02

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:49/mi

3:07:38

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:18/mi

3:42:43

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:18/mi

4:17:48

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:04/mi

4:32:53

↑ 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

2:09:109:52 /mi⚡ faster

2nd Half

2:23:4310:58 /mi+11.3%

Positive split — 11.3% slower in the second half

AI Race Performance Report

Sam'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	30:45	9:54	3.11 mi	30:45	9:54	-
10K	1:00:53	9:48	3.10 mi	30:08	9:42	-0:12
15K	1:31:55	9:52	3.11 mi	31:02	10:00	+0:18
20K	2:02:21	9:51	3.11 mi	30:26	9:48	-0:12
Half(13.10 mi)	2:09:10	9:52	0.67 mi	6:49	10:10	+0:22
25K	2:34:02	9:55	2.43 mi	24:52	10:13	+0:03
30K	3:07:38	10:04	3.11 mi	33:36	10:49	+0:36
35K	3:42:43	10:15	3.11 mi	35:05	11:18	+0:29
40K	4:17:48	10:23	3.10 mi	35:05	11:18	0:00
Finish(26.22 mi)	4:32:53	10:25	1.37 mi	15:05	11:04	-0:14

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:42 /mi

Average Pace

10:25 /mi

Slowest Pace

11:18 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:34:02

56% of race

Time at Steady Pace

1:58:51

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:24 /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	37593	25358	25358	32662	22685	22685
10K	3.10 mi	35392+2201	24234+1124	24234+1124	33519	23164	23164
15K	3.11 mi	34344+1048	23655+579	23655+579	32662	22685	22685
20K	3.11 mi	33534+810	23140+515	23140+515	31696	21953	21953
Half(13.10 mi)	0.67 mi	33400+134	23043+97	23043+97	31848	21878	21878
25K	2.43 mi	32828+572	22595+448	22595+448	30950	21175	21175
30K	3.11 mi	32240+588	22076+519	22076+519	31396	20913	20913
35K	3.11 mi	31639+601	21490+586	21490+586	30267	19610	19610
40K	3.10 mi	31360+279	21105+385	21105+385	30104	19039	19039
Finish(26.22 mi)	1.37 mi	31315+45	21009+96	21009+96	32065	20068	20068

20068

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing