Jemma Brown

Bib: 51551 F GB

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Top 14%
Gender (Female)
#0 / 26115
Top 7%
Masters (Masters Women)
#0 / 11371
Top 5%
Division (F40-44)
#0 / 3355
Top 8%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:29/mi
23:14
49125
10K· 6.21 mi
7:33/mi
46:40
5081
15K· 9.32 mi
7:44/mi
1:10:41
4451
20K· 12.43 mi
7:40/mi
1:34:30
6740
Half· 13.10 mi
7:53/mi
1:39:47
27
25K· 15.53 mi
7:49/mi
1:58:48
5063
30K· 18.64 mi
8:01/mi
2:23:40
6946
35K· 21.75 mi
8:17/mi
2:49:24
8788
40K· 24.85 mi
8:21/mi
3:15:18
5875
Finish· 26.22 mi
8:09/mi
3:26:24
1418
Course Elevation
6172 ft
×14story building
503 ft climb · 613 ft descent

The Course

Half Splits

1st Half· via Half
1:39:477:38 /mi⚡ faster
2nd Half
1:46:378:08 /mi+6.8%
Positive split — 6.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:147:293.11 mi23:14
7:29
-
10K
46:407:313.10 mi23:26
7:33
+0:04
15K
1:10:417:363.11 mi24:01
7:44
+0:11
20K
1:34:307:373.11 mi23:49
7:40
-0:04
Half(13.10 mi)
1:39:477:380.67 mi5:17
7:53
+0:13
25K
1:58:487:392.43 mi19:01
7:49
-0:04
30K
2:23:407:433.11 mi24:52
8:01
+0:12
35K
2:49:247:483.11 mi25:44
8:17
+0:16
40K
3:15:187:523.10 mi25:54
8:21
+0:04
Finish(26.22 mi)
3:26:247:531.37 mi11:06
8:09
-0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:29 /mi

Average Pace

7:53 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:34:46

75% of race

Time at Steady Pace

51:38

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi884315371537884815331533
10K3.10 mi8671+1721486+511486+51866514751475
15K3.11 mi8679-81492-61492-6884815331533
20K3.11 mi8890-2111559-671559-67965517921792
Half(13.10 mi)0.67 mi8934-441574-151574-15968218131813
25K2.43 mi8998-641605-311605-31957718661866
30K3.11 mi8927+711615-101615-10916418301830
35K3.11 mi8850+771648-331648-33943321252125
40K3.10 mi8705+1451717-691717-69900222152215
Finish(26.22 mi)1.37 mi8614+911727-101727-10852821322132

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×10story building
+49ft-125ft

Overall

8848

Females

1533

F40-44

1533

5K→10K

3.1 - 6.2 mi

Top 14%
×4story building
+50ft-81ft

Overall

8665

Females

1475

F40-44

1475

10K→15K

6.2 - 9.3 mi

Top 15%
×1story
+44ft-51ft

Overall

8848

Females

1533

F40-44

1533

15K→20K

9.3 - 12.4 mi

Top 16%
×3story building
+67ft-40ft

Overall

9655

Females

1792

F40-44

1792

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+8ft-27ft

Overall

9682

Females

1813

F40-44

1813

Half→25K

13.1 - 15.5 mi

Top 16%
×2story building
+50ft-63ft

Overall

9577

Females

1866

F40-44

1866

25K→30K

15.5 - 18.6 mi

Top 15%
×2story building
+69ft-46ft

Overall

9164

Females

1830

F40-44

1830

30K→35K

18.6 - 21.8 mi

Top 16%
×2story building
+87ft-88ft

Overall

9433

Females

2125

F40-44

2125

35K→40K

21.8 - 24.9 mi

Top 15%
×3story building
+58ft-75ft

Overall

9002

Females

2215

F40-44

2215

40K→Finish

24.9 - 26.2 mi

Top 14%
×1story
+14ft-18ft

Overall

8528

Females

2132

F40-44

2132

Passing Analysis

Category:
Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#8843
5K10K
170342+172
#8843 #8671
10K15K
182174-8
#8671 #8679
15K20K
29685-211
#8679 #8890
20KHalf
6622-44
#8890 #8934
Half25K
179115-64
#8934 #8998
25K30K
181252+71
#8998 #8927
30K35K
210287+77
#8927 #8850
35K40K
214359+145
#8850 #8705
40KFinish
58149+91
#8705 #8614
TOTALS
15561785+229
#8843 #8614

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing