Jack Williams

Bib: 17264 M GB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Gender (Male)
#0 / 33594
Division (M18-39)
#0 / 16712
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
12:35/mi
39:05
49125
10K· 6.21 mi
9:56/mi
1:09:54
5081
15K· 9.32 mi
10:11/mi
1:41:31
4451
20K· 12.43 mi
9:50/mi
2:12:01
6740
Half· 13.10 mi
10:11/mi
2:18:51
27
25K· 15.53 mi
10:09/mi
2:43:33
5063
30K· 18.64 mi
10:20/mi
3:15:38
6946
35K· 21.75 mi
10:49/mi
3:49:12
8788
40K· 24.85 mi
13:18/mi
4:30:29
5875
Finish· 26.22 mi
14:18/mi
4:49:59
1418
Course Elevation
503ft
Total climb
613ft
Total descent
166ft
Range
6 to 172 ft
×14story building

See every mile of your race

Add your watch's GPX to 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
2:18:5110:37 /mi⚡ faster
2nd Half
2:31:0811:32 /mi+8.8%
Positive split — 8.8% 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
39:0512:353.11 mi39:05
12:35
-
10K
1:09:5411:153.10 mi30:49
9:56
-2:39
15K
1:41:3110:543.11 mi31:37
10:11
+0:15
20K
2:12:0110:383.11 mi30:30
9:50
-0:21
Half(13.10 mi)
2:18:5110:370.67 mi6:50
10:11
+0:21
25K
2:43:3310:322.43 mi24:42
10:09
-0:02
30K
3:15:3810:303.11 mi32:05
10:20
+0:11
35K
3:49:1210:333.11 mi33:34
10:49
+0:29
40K
4:30:2910:533.10 mi41:17
13:18
+2:29
Finish(26.22 mi)
4:49:5911:051.37 mi19:30
14:18
+1:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:50 /mi

Average Pace

11:04 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:10:07

66% of race

Time at Slower Pace

1:39:52

34% of race

Average Pace: 11:04 /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. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi560683264832648344342364123641
10K3.10 mi48722+734630176+247230176+2472356812435324353
15K3.11 mi43991+473128274+190228274+1902344342364123641
20K3.11 mi40732+325926767+150726767+1507318842207022070
Half(13.10 mi)0.67 mi40203+52926477+29026477+290321222205022050
25K2.43 mi38291+191225425+105225425+1052304242087220872
30K3.11 mi36193+209824184+124124184+1241278741905919059
35K3.11 mi34424+176923017+116723017+1167270151789417894
40K3.10 mi35820-139623565-54823565-548441152632626326
Finish(26.22 mi)1.37 mi36954-113424066-50124066-501523173024330243

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×10story building
+49ft-125ft

Overall

34434

Males

23641

M18-39

23641

5K→10K

3.1 - 6.2 mi

Top 60%
×4story building
+50ft-81ft

Overall

35681

Males

24353

M18-39

24353

10K→15K

6.2 - 9.3 mi

Top 58%
×1story
+44ft-51ft

Overall

34434

Males

23641

M18-39

23641

15K→20K

9.3 - 12.4 mi

Top 53%
×3story building
+67ft-40ft

Overall

31884

Males

22070

M18-39

22070

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+8ft-27ft

Overall

32122

Males

22050

M18-39

22050

Half→25K

13.1 - 15.5 mi

Top 51%
×2story building
+50ft-63ft

Overall

30424

Males

20872

M18-39

20872

25K→30K

15.5 - 18.6 mi

Top 47%
×2story building
+69ft-46ft

Overall

27874

Males

19059

M18-39

19059

30K→35K

18.6 - 21.8 mi

Top 45%
×2story building
+87ft-88ft

Overall

27015

Males

17894

M18-39

17894

35K→40K

21.8 - 24.9 mi

Top 74%
×3story building
+58ft-75ft

Overall

44115

Males

26326

M18-39

26326

40K→Finish

24.9 - 26.2 mi

Top 88%
×1story
+14ft-18ft

Overall

52317

Males

30243

M18-39

30243

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#56068
5K10K
07346*+7346
#56068 #48722
10K15K
04731*+4731
#48722 #43991
15K20K
13260*+3259
#43991 #40732
20KHalf
2531*+529
#40732 #40203
Half25K
51917*+1912
#40203 #38291
25K30K
102108+2098
#38291 #36193
30K35K
271796*+1769
#36193 #34424
35K40K
200164-1396
#34424 #35820
40KFinish
20041-1134
#35820 #36954
TOTALS
44521894*+19114
#56068 #36954

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other 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