Jason Mattless

Bib: 38994 M GB

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 59786

Top 10%

Gender (Male)

#0 / 33594

Top 15%

Masters (Masters Men)

#0 / 16876

Top 13%

Division (M55-59)

#0 / 2251

Top 7%

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

6:57/mi

21:33

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:03/mi

43:25

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:20/mi

1:06:12

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:06/mi

1:28:13

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

7:28/mi

1:33:13

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:13/mi

1:50:46

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:26/mi

2:13:50

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:45/mi

2:37:54

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:11/mi

3:03:18

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:48/mi

3:15:18

↑ 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

1:33:137:07 /mi⚡ faster

2nd Half

1:42:057:47 /mi+9.5%

Positive split — 9.5% slower in the second half

AI Race Performance Report

Jason'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	21:33	6:57	3.11 mi	21:33	6:57	-
10K	43:25	7:00	3.10 mi	21:52	7:03	+0:06
15K	1:06:12	7:07	3.11 mi	22:47	7:20	+0:17
20K	1:28:13	7:06	3.11 mi	22:01	7:06	-0:14
Half(13.10 mi)	1:33:13	7:07	0.67 mi	5:00	7:28	+0:22
25K	1:50:46	7:08	2.43 mi	17:33	7:13	-0:15
30K	2:13:50	7:11	3.11 mi	23:04	7:26	+0:13
35K	2:37:54	7:16	3.11 mi	24:04	7:45	+0:19
40K	3:03:18	7:23	3.10 mi	25:24	8:11	+0:26
Finish(26.22 mi)	3:15:18	7:28	1.37 mi	12:00	8:48	+0:37

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Jason'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

6:57 /mi

Average Pace

7:27 /mi

Slowest Pace

8:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:05:26

34% of race

Time at Steady Pace

1:08:24

35% of race

Time at Slower Pace

1:01:28

31% of race

Average Pace: 7:27 /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	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	5493	4896	4896	6240	5472	5472
10K	3.10 mi	5612-119	5002-106	5002-106	5710	5088	5088
15K	3.11 mi	5839-227	5187-185	5187-185	6240	5472	5472
20K	3.11 mi	5782+57	5146+41	5146+41	5784	5141	5141
Half(13.10 mi)	0.67 mi	5793-11	5151-5	5151-5	6585	5707	5707
25K	2.43 mi	5705+88	5069+82	5069+82	5653	4996	4996
30K	3.11 mi	5577+128	4953+116	4953+116	5572	4858	4858
35K	3.11 mi	5548+29	4892+61	4892+61	6207	5147	5147
40K	3.10 mi	5654-106	4906-14	4906-14	8030	6158	6158
Finish(26.22 mi)	1.37 mi	5939-285	5074-168	5074-168	13178	9175	9175

9175

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