Alex Tunstall

Bib: 51893 F GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 26%

Gender (Female)

#0 / 26115

Top 16%

Division (F18-39)

#0 / 14744

Top 17%

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

8:19/mi

25:49

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:31/mi

52:16

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:36/mi

1:18:58

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:28/mi

1:45:16

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:44/mi

1:51:07

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:34/mi

2:11:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:47/mi

2:39:13

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:57/mi

3:06:59

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:04/mi

3:35:07

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:58/mi

3:47:20

↑ 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

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

1:51:078:29 /mi⚡ faster

2nd Half

1:56:138:52 /mi+4.6%

Positive split — 4.6% slower in the second half

AI Race Performance Report

Alex'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	25:49	8:19	3.11 mi	25:49	8:19	-
10K	52:16	8:25	3.10 mi	26:27	8:31	+0:12
15K	1:18:58	8:29	3.11 mi	26:42	8:36	+0:05
20K	1:45:16	8:29	3.11 mi	26:18	8:28	-0:08
Half(13.10 mi)	1:51:07	8:29	0.67 mi	5:51	8:44	+0:16
25K	2:11:58	8:30	2.43 mi	20:51	8:34	-0:10
30K	2:39:13	8:33	3.11 mi	27:15	8:47	+0:13
35K	3:06:59	8:36	3.11 mi	27:46	8:57	+0:10
40K	3:35:07	8:40	3.10 mi	28:08	9:04	+0:07
Finish(26.22 mi)	3:47:20	8:41	1.37 mi	12:13	8:58	-0:06

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Alex'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

8:19 /mi

Average Pace

8:41 /mi

Slowest Pace

9:04 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:06:07

55% of race

Time at Steady Pace

1:41:13

45% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	17661	4393	4393	17130	4228	4228
10K	3.10 mi	18021-360	4533-140	4533-140	18518	4719	4719
15K	3.11 mi	17665+356	4417+116	4417+116	17130	4228	4228
20K	3.11 mi	17561+104	4398+19	4398+19	17664	4440	4440
Half(13.10 mi)	0.67 mi	17553+8	4400-2	4400-2	17813	4511	4511
25K	2.43 mi	17277+276	4340+60	4340+60	16361	4118	4118
30K	3.11 mi	16735+542	4237+103	4237+103	15386	3959	3959
35K	3.11 mi	16021+714	4116+121	4116+121	13892	3775	3775
40K	3.10 mi	15488+533	4065+51	4065+51	13952	4172	4172
Finish(26.22 mi)	1.37 mi	15325+163	4054+11	4054+11	14625	4512	4512

4512

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