Siobhan O Leary

Bib: 28616 F IE

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Gender (Female)
#0 / 26115
Masters (Masters Women)
#0 / 11371
Top 48%
Division (F45-49)
#0 / 2995
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
10:03/mi
31:11
49125
10K· 6.21 mi
10:47/mi
1:04:41
5081
15K· 9.32 mi
11:49/mi
1:41:23
4451
20K· 12.43 mi
11:22/mi
2:16:40
6740
Half· 13.10 mi
10:14/mi
2:23:32
27
25K· 15.53 mi
10:48/mi
2:49:49
5063
30K· 18.64 mi
12:35/mi
3:28:54
6946
35K· 21.75 mi
11:26/mi
4:04:23
8788
40K· 24.85 mi
11:05/mi
4:38:46
5875
Finish· 26.22 mi
9:44/mi
4:52:02
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
2:23:3210:58 /mi⚡ faster
2nd Half
2:28:3011:20 /mi+3.5%
Positive split — 3.5% 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
31:1110:033.11 mi31:11
10:03
-
10K
1:04:4110:253.10 mi33:30
10:47
+0:44
15K
1:41:2310:533.11 mi36:42
11:49
+1:02
20K
2:16:4011:003.11 mi35:17
11:22
-0:27
Half(13.10 mi)
2:23:3210:580.67 mi6:52
10:14
-1:08
25K
2:49:4910:562.43 mi26:17
10:48
+0:34
30K
3:28:5411:133.11 mi39:05
12:35
+1:47
35K
4:04:2311:153.11 mi35:29
11:26
-1:09
40K
4:38:4611:133.10 mi34:23
11:05
-0:21
Finish(26.22 mi)
4:52:0211:091.37 mi13:16
9:44
-1:21
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:44 /mi

Average Pace

11:09 /mi

Slowest Pace

12:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

51:19

18% of race

Time at Steady Pace

2:44:56

56% of race

Time at Slower Pace

1:15:47

26% of race

Average Pace: 11:08 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi390681292612926474241778117781
10K3.10 mi41572-250414244-131814244-1318438541558715587
15K3.11 mi43860-228815580-133615580-1336474241778117781
20K3.11 mi43866-615679-9915679-99442111616616166
Half(13.10 mi)0.67 mi43238+62815334+34515334+345326761034510345
25K2.43 mi41609+162914551+78314551+783355281197711977
30K3.11 mi41699-9014811-26014811-260422491591615916
35K3.11 mi39943+175614097+71414097+714311541103911039
40K3.10 mi38531+141213560+53713560+537284471029510295
Finish(26.22 mi)1.37 mi37649+88213177+38313177+3832085069506950

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×10story building
+49ft-125ft

Overall

47424

Females

17781

F45-49

17781

5K→10K

3.1 - 6.2 mi

Top 73%
×4story building
+50ft-81ft

Overall

43854

Females

15587

F45-49

15587

10K→15K

6.2 - 9.3 mi

Top 79%
×1story
+44ft-51ft

Overall

47424

Females

17781

F45-49

17781

15K→20K

9.3 - 12.4 mi

Top 74%
×3story building
+67ft-40ft

Overall

44211

Females

16166

F45-49

16166

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+8ft-27ft

Overall

32676

Females

10345

F45-49

10345

Half→25K

13.1 - 15.5 mi

Top 59%
×2story building
+50ft-63ft

Overall

35528

Females

11977

F45-49

11977

25K→30K

15.5 - 18.6 mi

Top 71%
×2story building
+69ft-46ft

Overall

42249

Females

15916

F45-49

15916

30K→35K

18.6 - 21.8 mi

Top 52%
×2story building
+87ft-88ft

Overall

31154

Females

11039

F45-49

11039

35K→40K

21.8 - 24.9 mi

Top 48%
×3story building
+58ft-75ft

Overall

28447

Females

10295

F45-49

10295

40K→Finish

24.9 - 26.2 mi

Top 35%
×1story
+14ft-18ft

Overall

20850

Females

6950

F45-49

6950

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#39068
5K10K
200200-2504
#39068 #41572
10K15K
200137-2288
#41572 #43860
15K20K
200200-6
#43860 #43866
20KHalf
2630*+628
#43866 #43238
Half25K
131642*+1629
#43238 #41609
25K30K
643553-90
#41609 #41699
30K35K
281784*+1756
#41699 #39943
35K40K
261438*+1412
#39943 #38531
40KFinish
1883*+882
#38531 #37649
TOTALS
13137467*+1419
#39068 #37649

* 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