Bella Sumner

Bib: 15632 F AU

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Top 17%
Gender (Female)
#0 / 26115
Top 9%
Division (F18-39)
#0 / 14744
Top 10%
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
7:36/mi
23:34
49125
10K· 6.21 mi
7:36/mi
47:08
5081
15K· 9.32 mi
8:20/mi
1:13:00
4451
20K· 12.43 mi
7:35/mi
1:36:31
6740
Half· 13.10 mi
7:54/mi
1:41:49
27
25K· 15.53 mi
7:47/mi
2:00:46
5063
30K· 18.64 mi
8:07/mi
2:25:56
6946
35K· 21.75 mi
8:20/mi
2:51:48
8788
40K· 24.85 mi
8:58/mi
3:19:38
5875
Finish· 26.22 mi
8:43/mi
3:31:31
1418
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
1:41:497:47 /mi⚡ faster
2nd Half
1:49:428:22 /mi+7.7%
Positive split — 7.7% slower in the second half
AI Race Performance Report

Bella'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

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:347:363.11 mi23:34
7:36
-
10K
47:087:363.10 mi23:34
7:36
0:00
15K
1:13:007:503.11 mi25:52
8:20
+0:44
20K
1:36:317:463.11 mi23:31
7:35
-0:45
Half(13.10 mi)
1:41:497:470.67 mi5:18
7:54
+0:19
25K
2:00:467:472.43 mi18:57
7:47
-0:07
30K
2:25:567:503.11 mi25:10
8:07
+0:20
35K
2:51:487:543.11 mi25:52
8:20
+0:13
40K
3:19:388:023.10 mi27:50
8:58
+0:38
Finish(26.22 mi)
3:31:318:051.37 mi11:53
8:43
-0:15
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Bella'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

7:35 /mi

Average Pace

8:04 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:51:48

81% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

27:50

13% of race

Average Pace: 8:04 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi9716182618261460633873387
10K3.10 mi9313+4031704+1221704+122899715861586
15K3.11 mi10752-14392185-4812185-4811460633873387
20K3.11 mi10213+5392003+1822003+182893915891589
Half(13.10 mi)0.67 mi10171+421991+121991+12993419181918
25K2.43 mi9944+2271935+561935+56940018071807
30K3.11 mi9851+931945-101945-101000221102110
35K3.11 mi9655+1961963-181963-18968722122212
40K3.10 mi10124-4692201-2382201-2381321938793879
Finish(26.22 mi)1.37 mi10200-762263-622263-621255237063706

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
131 ft55 ft
49ft125ft
117 ft

Overall

14606

Females

3387

F18-39

3387

5K→10K

3.1 - 6.2 mi

Top 15%
55 ft24 ft
50ft81ft
45 ft

Overall

8997

Females

1586

F18-39

1586

10K→15K

6.2 - 9.3 mi

Top 24%
24 ft18 ft
44ft51ft
17 ft

Overall

14606

Females

3387

F18-39

3387

15K→20K

9.3 - 12.4 mi

Top 15%
18 ft45 ft
67ft40ft
38 ft

Overall

8939

Females

1589

F18-39

1589

20K→Half

12.4 - 13.1 mi

Top 17%
45 ft26 ft
8ft27ft
20 ft

Overall

9934

Females

1918

F18-39

1918

Half→25K

13.1 - 15.5 mi

Top 16%
25 ft12 ft
50ft63ft
20 ft

Overall

9400

Females

1807

F18-39

1807

25K→30K

15.5 - 18.6 mi

Top 17%
12 ft35 ft
69ft46ft
28 ft

Overall

10002

Females

2110

F18-39

2110

30K→35K

18.6 - 21.8 mi

Top 16%
35 ft34 ft
87ft88ft
23 ft

Overall

9687

Females

2212

F18-39

2212

35K→40K

21.8 - 24.9 mi

Top 22%
34 ft17 ft
58ft75ft
31 ft

Overall

13219

Females

3879

F18-39

3879

40K→Finish

24.9 - 26.2 mi

Top 21%
17 ft13 ft
14ft18ft
13 ft

Overall

12552

Females

3706

F18-39

3706

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing