Sian Whiteford

Bib: 38850 F GB

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 59786

Top 31%

Gender (Female)

#0 / 26115

Top 19%

Masters (Masters Women)

#0 / 11371

Top 18%

Division (F40-44)

#0 / 3355

Top 23%

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

8:08/mi

25:15

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:26/mi

51:27

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:35/mi

1:21:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:30/mi

1:47:35

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:26/mi

1:53:14

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:37/mi

2:14:11

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:07/mi

2:42:28

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:27/mi

3:11:49

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:35/mi

3:41:33

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:08/mi

3:55:21

↑ 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

1:53:148:39 /mi⚡ faster

2nd Half

2:02:079:19 /mi+7.8%

Positive split — 7.8% slower in the second half

AI Race Performance Report

Sian'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	25:15	8:08	3.11 mi	25:15	8:08	-
10K	51:27	8:17	3.10 mi	26:12	8:26	+0:18
15K	1:21:11	8:43	3.11 mi	29:44	9:35	+1:09
20K	1:47:35	8:40	3.11 mi	26:24	8:30	-1:05
Half(13.10 mi)	1:53:14	8:39	0.67 mi	5:39	8:26	-0:04
25K	2:14:11	8:39	2.43 mi	20:57	8:37	+0:11
30K	2:42:28	8:43	3.11 mi	28:17	9:07	+0:30
35K	3:11:49	8:50	3.11 mi	29:21	9:27	+0:20
40K	3:41:33	8:55	3.10 mi	29:44	9:35	+0:08
Finish(26.22 mi)	3:55:21	8:59	1.37 mi	13:48	10:08	+0:33

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Sian'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

8:08 /mi

Average Pace

8:59 /mi

Slowest Pace

10:08 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:44:27

44% of race

Time at Steady Pace

28:17

12% of race

Time at Slower Pace

1:42:37

44% of race

Average Pace: 8:59 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	15671	3771	3771	28682	8295	8295
10K	3.10 mi	16732-1061	4100-329	4100-329	17697	4437	4437
15K	3.11 mi	20261-3529	5292-1192	5292-1192	28682	8295	8295
20K	3.11 mi	19536+725	5046+246	5046+246	17968	4546	4546
Half(13.10 mi)	0.67 mi	19262+274	4975+71	4975+71	14986	3605	3605
25K	2.43 mi	18725+537	4836+139	4836+139	16753	4246	4246
30K	3.11 mi	18453+272	4803+33	4803+33	18238	4975	4975
35K	3.11 mi	18155+298	4810-7	4810-7	17940	5255	5255
40K	3.10 mi	17927+228	4893-83	4893-83	17874	5701	5701
Finish(26.22 mi)	1.37 mi	18271-344	5082-189	5082-189	24074	8285	8285

8285

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