Declan Marshall

Bib: 8424 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 17%

Gender (Male)

#0 / 33594

Top 23%

Division (M18-39)

#0 / 16712

Top 26%

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

7:13/mi

22:24

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:43/mi

46:21

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:56/mi

1:10:59

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:49/mi

1:35:15

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:09/mi

1:40:43

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:57/mi

2:00:03

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:09/mi

2:25:21

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:18/mi

2:51:08

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:27/mi

3:17:23

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:30/mi

3:30:20

↑ 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

1:40:437:42 /mi⚡ faster

2nd Half

1:49:378:22 /mi+8.8%

Positive split — 8.8% slower in the second half

AI Race Performance Report

Declan'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	22:24	7:13	3.11 mi	22:24	7:13	-
10K	46:21	7:28	3.10 mi	23:57	7:43	+0:30
15K	1:10:59	7:37	3.11 mi	24:38	7:56	+0:13
20K	1:35:15	7:40	3.11 mi	24:16	7:49	-0:07
Half(13.10 mi)	1:40:43	7:42	0.67 mi	5:28	8:09	+0:20
25K	2:00:03	7:44	2.43 mi	19:20	7:57	-0:12
30K	2:25:21	7:48	3.11 mi	25:18	8:09	+0:12
35K	2:51:08	7:53	3.11 mi	25:47	8:18	+0:09
40K	3:17:23	7:57	3.10 mi	26:15	8:27	+0:09
Finish(26.22 mi)	3:30:20	8:02	1.37 mi	12:57	9:30	+1:03

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:13 /mi

Average Pace

8:02 /mi

Slowest Pace

9:30 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:10:37

34% of race

Time at Steady Pace

1:40:31

48% of race

Time at Slower Pace

39:12

19% of race

Average Pace: 8:01 /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	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	6935	5995	5995	10265	8241	8241
10K	3.10 mi	8299-1364	6932-937	6932-937	10006	8077	8077
15K	3.11 mi	8951-652	7367-435	7367-435	10265	8241	8241
20K	3.11 mi	9378-427	7643-276	7643-276	10867	8627	8627
Half(13.10 mi)	0.67 mi	9480-102	7717-74	7717-74	12158	9478	9478
25K	2.43 mi	9588-108	7777-60	7777-60	10659	8407	8407
30K	3.11 mi	9577+11	7734+43	7734+43	10333	8117	8117
35K	3.11 mi	9425+152	7548+186	7548+186	9508	7347	7347
40K	3.10 mi	9321+104	7370+178	7370+178	9716	7203	7203
Finish(26.22 mi)	1.37 mi	9860-539	7707-337	7707-337	18903	12722	12722

12722

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#6935
5K → 10K	137814-1364	#6935 → #8299
10K → 15K	70351-652	#8299 → #8951
15K → 20K	48861-427	#8951 → #9378
20K → Half	12422-102	#9378 → #9480
Half → 25K	210102-108	#9480 → #9588
25K → 30K	225236+11	#9588 → #9577
30K → 35K	206358+152	#9577 → #9425
35K → 40K	228332*+104	#9425 → #9321
40K → Finish	57031-539	#9321 → #9860
TOTALS	41321207*-2925	#6935 → #9860

* Includes athletes who did not complete a segment (DNF/DNQ).

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