David Sims

Bib: 31413 M GB

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Gender (Male)
#0 / 33594
Masters (Masters Men)
#0 / 16876
Division (M50-54)
#0 / 3474
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
12:46/mi
39:38
49125
10K· 6.21 mi
12:41/mi
1:19:00
5081
15K· 9.32 mi
13:28/mi
2:00:48
4451
20K· 12.43 mi
13:42/mi
2:43:20
6740
Half· 13.10 mi
13:22/mi
2:52:18
27
25K· 15.53 mi
14:09/mi
3:26:45
5063
30K· 18.64 mi
14:57/mi
4:13:10
6946
35K· 21.75 mi
16:06/mi
5:03:09
8788
40K· 24.85 mi
14:09/mi
5:47:05
5875
Finish· 26.22 mi
12:48/mi
6:04:32
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
2:52:1813:10 /mi⚡ faster
2nd Half
3:12:1414:40 /mi+11.6%
Positive split — 11.6% slower in the second half
AI Race Performance Report

David'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
39:3812:463.11 mi39:38
12:46
-
10K
1:19:0012:433.10 mi39:22
12:41
-0:05
15K
2:00:4812:583.11 mi41:48
13:28
+0:47
20K
2:43:2013:093.11 mi42:32
13:42
+0:14
Half(13.10 mi)
2:52:1813:100.67 mi8:58
13:22
-0:20
25K
3:26:4513:192.43 mi34:27
14:09
+0:47
30K
4:13:1013:353.11 mi46:25
14:57
+0:48
35K
5:03:0913:573.11 mi49:59
16:06
+1:09
40K
5:47:0513:583.10 mi43:56
14:09
-1:57
Finish(26.22 mi)
6:04:3213:551.37 mi17:27
12:48
-1:21
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of David'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

12:41 /mi

Average Pace

13:55 /mi

Slowest Pace

16:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:36:27

26% of race

Time at Steady Pace

2:51:41

47% of race

Time at Slower Pace

1:36:24

26% of race

Average Pace: 13:54 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi565563277832778542883197931979
10K3.10 mi55521+103532453+32532453+325543913206832068
15K3.11 mi55142+37932335+11832335+118542883197931979
20K3.11 mi54856+28632200+13532200+135539693169531695
Half(13.10 mi)0.67 mi54686+17032130+7032130+70516013066730667
25K2.43 mi54123+56331892+23831892+238516303064330643
30K3.11 mi53894+22931750+14231750+142524813077330773
35K3.11 mi54075-18131736+1431736+14541343119631196
40K3.10 mi53671+40431526+21031526+210488892863928639
Finish(26.22 mi)1.37 mi53392+27931404+12231404+122452442692626926

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
131 ft55 ft
49ft125ft
117 ft

Overall

54288

Males

31979

M50-54

31979

5K→10K

3.1 - 6.2 mi

Top 91%
55 ft24 ft
50ft81ft
45 ft

Overall

54391

Males

32068

M50-54

32068

10K→15K

6.2 - 9.3 mi

Top 91%
24 ft18 ft
44ft51ft
17 ft

Overall

54288

Males

31979

M50-54

31979

15K→20K

9.3 - 12.4 mi

Top 90%
18 ft45 ft
67ft40ft
38 ft

Overall

53969

Males

31695

M50-54

31695

20K→Half

12.4 - 13.1 mi

Top 86%
45 ft26 ft
8ft27ft
20 ft

Overall

51601

Males

30667

M50-54

30667

Half→25K

13.1 - 15.5 mi

Top 86%
25 ft12 ft
50ft63ft
20 ft

Overall

51630

Males

30643

M50-54

30643

25K→30K

15.5 - 18.6 mi

Top 88%
12 ft35 ft
69ft46ft
28 ft

Overall

52481

Males

30773

M50-54

30773

30K→35K

18.6 - 21.8 mi

Top 91%
35 ft34 ft
87ft88ft
23 ft

Overall

54134

Males

31196

M50-54

31196

35K→40K

21.8 - 24.9 mi

Top 82%
34 ft17 ft
58ft75ft
31 ft

Overall

48889

Males

28639

M50-54

28639

40K→Finish

24.9 - 26.2 mi

Top 76%
17 ft13 ft
14ft18ft
13 ft

Overall

45244

Males

26926

M50-54

26926

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing