Mary O' Halloran

Bib: 57171 F IE

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 43%

Gender (Female)

#0 / 26115

Top 30%

Masters (Masters Women)

#0 / 11371

Top 28%

Division (F55-59)

#0 / 1484

Top 20%

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

9:36/mi

29:47

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:46/mi

1:00:05

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:57/mi

1:30:58

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:43/mi

2:01:09

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:46/mi

2:07:42

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:40/mi

2:31:13

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:49/mi

3:01:40

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:55/mi

3:32:26

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:44/mi

4:02:39

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:35/mi

4:15:42

↑ 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

2:07:429:45 /mi⚖️ balanced

2nd Half

2:08:009:46 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

Mary's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:47	9:36	3.11 mi	29:47	9:36	-
10K	1:00:05	9:41	3.10 mi	30:18	9:46	+0:10
15K	1:30:58	9:46	3.11 mi	30:53	9:57	+0:11
20K	2:01:09	9:45	3.11 mi	30:11	9:43	-0:14
Half(13.10 mi)	2:07:42	9:45	0.67 mi	6:33	9:46	+0:03
25K	2:31:13	9:45	2.43 mi	23:31	9:40	-0:06
30K	3:01:40	9:45	3.11 mi	30:27	9:49	+0:09
35K	3:32:26	9:47	3.11 mi	30:46	9:55	+0:06
40K	4:02:39	9:46	3.10 mi	30:13	9:44	-0:11
Finish(26.22 mi)	4:15:42	9:46	1.37 mi	13:03	9:35	-0:09

Trend:

Faster pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:35 /mi

Average Pace

9:46 /mi

Slowest Pace

9:57 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:15:42

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:45 /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	Females	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	34248	10587	10587	32206	9753	9753
10K	3.10 mi	34085+163	10511+76	10511+76	34043	10556	10556
15K	3.11 mi	33367+718	10206+305	10206+305	32206	9753	9753
20K	3.11 mi	32606+761	9965+241	9965+241	30938	9366	9366
Half(13.10 mi)	0.67 mi	32306+300	9861+104	9861+104	28359	8399	8399
25K	2.43 mi	31074+1232	9427+434	9427+434	26725	7889	7889
30K	3.11 mi	29330+1744	8851+576	8851+576	24094	7205	7205
35K	3.11 mi	27446+1884	8344+507	8344+507	21151	6525	6525
40K	3.10 mi	25900+1546	7928+416	7928+416	18937	6126	6126
Finish(26.22 mi)	1.37 mi	25406+494	7800+128	7800+128	19521	6397	6397

6397

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