Siobhan Mcmahon

Bib: 16051 F US

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 59786

Top 47%

Gender (Female)

#0 / 26115

Top 34%

Masters (Masters Women)

#0 / 11371

Top 32%

Division (F50-54)

#0 / 2342

Top 32%

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

9:26/mi

29:17

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:39/mi

59:13

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:51/mi

1:29:49

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:51/mi

2:00:24

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:54/mi

2:07:02

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:52/mi

2:31:03

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:14/mi

3:02:50

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:50/mi

3:36:27

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:05/mi

4:10:52

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:50/mi

4:24:16

↑ 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

2:07:029:42 /mi⚡ faster

2nd Half

2:17:1410:28 /mi+8.0%

Positive split — 8.0% slower in the second half

AI Race Performance Report

Siobhan'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	29:17	9:26	3.11 mi	29:17	9:26	-
10K	59:13	9:32	3.10 mi	29:56	9:39	+0:13
15K	1:29:49	9:39	3.11 mi	30:36	9:51	+0:12
20K	2:00:24	9:42	3.11 mi	30:35	9:51	0:00
Half(13.10 mi)	2:07:02	9:42	0.67 mi	6:38	9:54	+0:03
25K	2:31:03	9:44	2.43 mi	24:01	9:52	-0:02
30K	3:02:50	9:49	3.11 mi	31:47	10:14	+0:22
35K	3:36:27	9:58	3.11 mi	33:37	10:50	+0:36
40K	4:10:52	10:06	3.10 mi	34:25	11:05	+0:15
Finish(26.22 mi)	4:24:16	10:06	1.37 mi	13:24	9:50	-1:15

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Siobhan'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

9:26 /mi

Average Pace

10:05 /mi

Slowest Pace

11:05 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:16:14

74% of race

Time at Steady Pace

1:08:02

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:05 /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	Females	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	32484	9809	9809	31372	9375	9375
10K	3.10 mi	32686-202	9917-108	9917-108	32928	10039	10039
15K	3.11 mi	32121+565	9676+241	9676+241	31372	9375	9375
20K	3.11 mi	31995+126	9687-11	9687-11	32124	9891	9891
Half(13.10 mi)	0.67 mi	31801+194	9621+66	9621+66	29578	8888	8888
25K	2.43 mi	30988+813	9387+234	9387+234	28333	8563	8563
30K	3.11 mi	29914+1074	9087+300	9087+300	27175	8480	8480
35K	3.11 mi	29138+776	9006+81	9006+81	27130	9143	9143
40K	3.10 mi	28837+301	9103-97	9103-97	28517	10321	10321
Finish(26.22 mi)	1.37 mi	28351+486	8984+119	8984+119	21632	7266	7266

7266

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