Jemma Terroni

Bib: 40821 F GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 21%

Gender (Female)

#0 / 26115

Top 12%

Division (F18-39)

#0 / 14744

Top 13%

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

8:06/mi

25:09

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:06/mi

50:16

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:21/mi

1:16:10

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:06/mi

1:41:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:20/mi

1:46:54

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:13/mi

2:06:53

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:27/mi

2:33:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:44/mi

3:00:12

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:36/mi

3:26:53

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:31/mi

3:38:29

↑ 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

1:46:548:10 /mi⚡ faster

2nd Half

1:51:358:31 /mi+4.4%

Positive split — 4.4% slower in the second half

AI Race Performance Report

Jemma'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	25:09	8:06	3.11 mi	25:09	8:06	-
10K	50:16	8:06	3.10 mi	25:07	8:06	0:00
15K	1:16:10	8:11	3.11 mi	25:54	8:21	+0:15
20K	1:41:19	8:10	3.11 mi	25:09	8:06	-0:15
Half(13.10 mi)	1:46:54	8:10	0.67 mi	5:35	8:20	+0:14
25K	2:06:53	8:11	2.43 mi	19:59	8:13	-0:07
30K	2:33:07	8:13	3.11 mi	26:14	8:27	+0:14
35K	3:00:12	8:18	3.11 mi	27:05	8:44	+0:17
40K	3:26:53	8:20	3.10 mi	26:41	8:36	-0:08
Finish(26.22 mi)	3:38:29	8:21	1.37 mi	11:36	8:31	-0:05

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Jemma'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

8:06 /mi

Average Pace

8:20 /mi

Slowest Pace

8:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:33:07

70% of race

Time at Steady Pace

1:05:22

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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	15295	3649	3649	14712	3425	3425
10K	3.10 mi	14618+677	3453+196	3453+196	14027	3257	3257
15K	3.11 mi	14618	3433+20	3433+20	14712	3425	3425
20K	3.11 mi	14423+195	3362+71	3362+71	14106	3241	3241
Half(13.10 mi)	0.67 mi	14374+49	3347+15	3347+15	14036	3257	3257
25K	2.43 mi	14101+273	3281+66	3281+66	13257	3064	3064
30K	3.11 mi	13633+468	3176+105	3176+105	12711	3017	3017
35K	3.11 mi	13171+462	3127+49	3127+49	12341	3217	3217
40K	3.10 mi	12517+654	3044+83	3044+83	10616	2871	2871
Finish(26.22 mi)	1.37 mi	12335+182	3022+22	3022+22	11064	3103	3103

3103

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