James Williams

Bib: 8463 M GB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Top 41%
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
8:44/mi
27:05
49125
10K· 6.21 mi
8:32/mi
53:34
5081
15K· 9.32 mi
8:48/mi
1:20:53
4451
20K· 12.43 mi
8:41/mi
1:47:51
6740
Half· 13.10 mi
8:57/mi
1:53:51
27
25K· 15.53 mi
8:53/mi
2:15:27
5063
30K· 18.64 mi
9:27/mi
2:44:46
6946
35K· 21.75 mi
11:51/mi
3:21:33
8788
40K· 24.85 mi
11:40/mi
3:57:47
5875
Finish· 26.22 mi
11:27/mi
4:13:24
1418
Course Elevation
6172 ft
×14story building
503 ft climb · 613 ft descent

The Course

Half Splits

1st Half· via Half
1:53:518:42 /mi⚡ faster
2nd Half
2:19:3310:39 /mi+22.6%
Positive split — 22.6% 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
27:058:443.11 mi27:05
8:44
-
10K
53:348:383.10 mi26:29
8:32
-0:12
15K
1:20:538:413.11 mi27:19
8:48
+0:16
20K
1:47:518:413.11 mi26:58
8:41
-0:07
Half(13.10 mi)
1:53:518:420.67 mi6:00
8:57
+0:16
25K
2:15:278:442.43 mi21:36
8:53
-0:04
30K
2:44:468:513.11 mi29:19
9:27
+0:34
35K
3:21:339:173.11 mi36:47
11:51
+2:24
40K
3:57:479:353.10 mi36:14
11:40
-0:11
Finish(26.22 mi)
4:13:249:411.37 mi15:37
11:27
-0:13
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

9:40 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:44:46

65% of race

Time at Slower Pace

1:28:38

35% of race

Average Pace: 9:40 /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 mi226561652316523191181422514225
10K3.10 mi20406+225015035+148815035+1488186041383613836
15K3.11 mi19818+58814663+37214663+372191181422514225
20K3.11 mi19788+3014642+2114642+21198111462314623
Half(13.10 mi)0.67 mi19756+3214618+2414618+24199991470814708
25K2.43 mi19595+16114468+15014468+150192551412414124
30K3.11 mi19713-11814467+114467+1213591521515215
35K3.11 mi22858-314516284-181716284-1817337752142221422
40K3.10 mi24177-131916913-62916913-629329492054220542
Finish(26.22 mi)1.37 mi24625-44817114-20117114-201354142185221852

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×10story building
+49ft-125ft

Overall

19118

Males

14225

M18-39

14225

5K→10K

3.1 - 6.2 mi

Top 31%
×4story building
+50ft-81ft

Overall

18604

Males

13836

M18-39

13836

10K→15K

6.2 - 9.3 mi

Top 32%
×1story
+44ft-51ft

Overall

19118

Males

14225

M18-39

14225

15K→20K

9.3 - 12.4 mi

Top 33%
×3story building
+67ft-40ft

Overall

19811

Males

14623

M18-39

14623

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+8ft-27ft

Overall

19999

Males

14708

M18-39

14708

Half→25K

13.1 - 15.5 mi

Top 32%
×2story building
+50ft-63ft

Overall

19255

Males

14124

M18-39

14124

25K→30K

15.5 - 18.6 mi

Top 36%
×2story building
+69ft-46ft

Overall

21359

Males

15215

M18-39

15215

30K→35K

18.6 - 21.8 mi

Top 56%
×2story building
+87ft-88ft

Overall

33775

Males

21422

M18-39

21422

35K→40K

21.8 - 24.9 mi

Top 55%
×3story building
+58ft-75ft

Overall

32949

Males

20542

M18-39

20542

40K→Finish

24.9 - 26.2 mi

Top 59%
×1story
+14ft-18ft

Overall

35414

Males

21852

M18-39

21852

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#22656
5K10K
422292*+2250
#22656 #20406
10K15K
141729*+588
#20406 #19818
15K20K
200230*+30
#19818 #19788
20KHalf
5890+32
#19788 #19756
Half25K
187348*+161
#19756 #19595
25K30K
525407-118
#19595 #19713
30K35K
200102-3145
#19713 #22858
35K40K
200183-1319
#22858 #24177
40KFinish
20078-448
#24177 #24625
TOTALS
17534459*-1969
#22656 #24625

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

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