Lacey Sly

Bib: 29624 F US

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Top 40%
Gender (Female)
#0 / 26115
Top 28%
Division (F18-39)
#0 / 14744
Top 29%
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
9:02/mi
28:01
49125
10K· 6.21 mi
9:31/mi
57:34
5081
15K· 9.32 mi
9:24/mi
1:26:46
4451
20K· 12.43 mi
9:21/mi
1:55:46
6740
Half· 13.10 mi
9:06/mi
2:01:52
27
25K· 15.53 mi
9:19/mi
2:24:32
5063
30K· 18.64 mi
10:10/mi
2:56:05
6946
35K· 21.75 mi
9:55/mi
3:26:52
8788
40K· 24.85 mi
9:55/mi
3:57:39
5875
Finish· 26.22 mi
10:02/mi
4:11:20
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

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
2:01:529:19 /mi⚡ faster
2nd Half
2:09:289:53 /mi+6.2%
Positive split — 6.2% slower in the second half
Is this your race?

Unlock your AI Race Performance Report

Your Race Story, performance analysis & focus areas — built from your data, free when you claim.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:019:023.11 mi28:01
9:02
-
10K
57:349:163.10 mi29:33
9:31
+0:29
15K
1:26:469:193.11 mi29:12
9:24
-0:07
20K
1:55:469:193.11 mi29:00
9:21
-0:03
Half(13.10 mi)
2:01:529:190.67 mi6:06
9:06
-0:15
25K
2:24:329:192.43 mi22:40
9:19
+0:13
30K
2:56:059:273.11 mi31:33
10:10
+0:51
35K
3:26:529:313.11 mi30:47
9:55
-0:15
40K
3:57:399:343.10 mi30:47
9:55
0:00
Finish(26.22 mi)
4:11:209:361.37 mi13:41
10:02
+0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:02 /mi

Average Pace

9:36 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:26:06

82% of race

Time at Steady Pace

45:14

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:35 /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 mi27089774877482661274927492
10K3.10 mi29493-24048653-9058653-9053162394919491
15K3.11 mi28338+11558170+4838170+4832661274927492
20K3.11 mi28004+3348059+1118059+1112756379167916
Half(13.10 mi)0.67 mi27588+4167924+1357924+1352169158985898
25K2.43 mi26669+9197617+3077617+3072388867886788
30K3.11 mi26474+1957680-637680-632662682518251
35K3.11 mi25175+12997393+2877393+2872121665546554
40K3.10 mi24138+10377218+1757218+1752026266366636
Finish(26.22 mi)1.37 mi23947+1917223-57223-52334579977997

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
131 ft55 ft
49ft125ft
117 ft

Overall

26612

Females

7492

F18-39

7492

5K→10K

3.1 - 6.2 mi

Top 53%
55 ft24 ft
50ft81ft
45 ft

Overall

31623

Females

9491

F18-39

9491

10K→15K

6.2 - 9.3 mi

Top 45%
24 ft18 ft
44ft51ft
17 ft

Overall

26612

Females

7492

F18-39

7492

15K→20K

9.3 - 12.4 mi

Top 46%
18 ft45 ft
67ft40ft
38 ft

Overall

27563

Females

7916

F18-39

7916

20K→Half

12.4 - 13.1 mi

Top 36%
45 ft26 ft
8ft27ft
20 ft

Overall

21691

Females

5898

F18-39

5898

Half→25K

13.1 - 15.5 mi

Top 40%
25 ft12 ft
50ft63ft
20 ft

Overall

23888

Females

6788

F18-39

6788

25K→30K

15.5 - 18.6 mi

Top 45%
12 ft35 ft
69ft46ft
28 ft

Overall

26626

Females

8251

F18-39

8251

30K→35K

18.6 - 21.8 mi

Top 35%
35 ft34 ft
87ft88ft
23 ft

Overall

21216

Females

6554

F18-39

6554

35K→40K

21.8 - 24.9 mi

Top 34%
34 ft17 ft
58ft75ft
31 ft

Overall

20262

Females

6636

F18-39

6636

40K→Finish

24.9 - 26.2 mi

Top 39%
17 ft13 ft
14ft18ft
13 ft

Overall

23345

Females

7997

F18-39

7997

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#27089
5K10K
200180-2404
#27089 #29493
10K15K
1141269*+1155
#29493 #28338
15K20K
200534*+334
#28338 #28004
20KHalf
2418*+416
#28004 #27588
Half25K
50969*+919
#27588 #26669
25K30K
494689+195
#26669 #26474
30K35K
661365*+1299
#26474 #25175
35K40K
871124*+1037
#25175 #24138
40KFinish
78269*+191
#24138 #23947
TOTALS
12916817*+3142
#27089 #23947

* 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