Jennifer Ison

Bib: 45120 F GB

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Top 18%

Gender (Female)

#0 / 26115

Top 10%

Division (F18-39)

#0 / 14744

Top 11%

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

7:55/mi

24:34

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:07/mi

49:44

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:13/mi

1:15:13

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:00/mi

1:40:02

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:18/mi

1:45:36

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:09/mi

2:05:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:16/mi

2:31:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:19/mi

2:56:56

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:16/mi

3:22:34

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:01/mi

3:33:30

↑ 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

1:45:368:04 /mi⚡ faster

2nd Half

1:47:548:14 /mi+2.2%

Positive split — 2.2% slower in the second half

AI Race Performance Report

Jennifer'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	24:34	7:55	3.11 mi	24:34	7:55	-
10K	49:44	8:01	3.10 mi	25:10	8:07	+0:12
15K	1:15:13	8:05	3.11 mi	25:29	8:13	+0:06
20K	1:40:02	8:03	3.11 mi	24:49	8:00	-0:13
Half(13.10 mi)	1:45:36	8:04	0.67 mi	5:34	8:18	+0:18
25K	2:05:27	8:05	2.43 mi	19:51	8:09	-0:09
30K	2:31:07	8:07	3.11 mi	25:40	8:16	+0:07
35K	2:56:56	8:09	3.11 mi	25:49	8:19	+0:03
40K	3:22:34	8:09	3.10 mi	25:38	8:16	-0:03
Finish(26.22 mi)	3:33:30	8:09	1.37 mi	10:56	8:01	-0:15

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Jennifer'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

7:55 /mi

Average Pace

8:09 /mi

Slowest Pace

8:19 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:07:41

88% of race

Time at Steady Pace

25:49

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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	12992	2899	2899	13298	2973	2973
10K	3.10 mi	13530-538	3100-201	3100-201	14225	3318	3318
15K	3.11 mi	13423+107	3045+55	3045+55	13298	2973	2973
20K	3.11 mi	13240+183	2992+53	2992+53	12940	2878	2878
Half(13.10 mi)	0.67 mi	13256-16	2999-7	2999-7	13780	3180	3180
25K	2.43 mi	13077+179	2959+40	2959+40	12776	2909	2909
30K	3.11 mi	12554+523	2846+113	2846+113	11287	2528	2528
35K	3.11 mi	11788+766	2681+165	2681+165	9588	2175	2175
40K	3.10 mi	11089+699	2544+137	2544+137	8498	2039	2039
Finish(26.22 mi)	1.37 mi	10793+296	2482+62	2482+62	7726	1850	1850

1850

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