Deirdre Collins

Bib: 41791 F IE

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Top 15%
Gender (Female)
#0 / 26115
Top 7%
Masters (Masters Women)
#0 / 11371
Top 5%
Division (F45-49)
#0 / 2995
Top 6%
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
7:47/mi
24:09
49125
10K· 6.21 mi
7:54/mi
48:39
5081
15K· 9.32 mi
8:06/mi
1:13:48
4451
20K· 12.43 mi
7:55/mi
1:38:23
6740
Half· 13.10 mi
8:08/mi
1:43:50
27
25K· 15.53 mi
7:58/mi
2:03:14
5063
30K· 18.64 mi
8:01/mi
2:28:06
6946
35K· 21.75 mi
8:01/mi
2:52:58
8788
40K· 24.85 mi
7:52/mi
3:17:24
5875
Finish· 26.22 mi
7:42/mi
3:27:53
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
1:43:507:56 /mi⚖️ balanced
2nd Half
1:44:037:56 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:097:473.11 mi24:09
7:47
-
10K
48:397:503.10 mi24:30
7:54
+0:07
15K
1:13:487:563.11 mi25:09
8:06
+0:12
20K
1:38:237:553.11 mi24:35
7:55
-0:11
Half(13.10 mi)
1:43:507:560.67 mi5:27
8:08
+0:13
25K
2:03:147:562.43 mi19:24
7:58
-0:10
30K
2:28:067:573.11 mi24:52
8:01
+0:03
35K
2:52:587:583.11 mi24:52
8:01
0:00
40K
3:17:247:573.10 mi24:26
7:52
-0:09
Finish(26.22 mi)
3:27:537:571.37 mi10:29
7:42
-0:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:42 /mi

Average Pace

7:56 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:57:17

85% of race

Time at Steady Pace

30:36

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11538241624161197725902590
10K3.10 mi11500+382425-92425-91164424902490
15K3.11 mi11561-612452-272452-271197725902590
20K3.11 mi11617-562483-312483-311205925822582
Half(13.10 mi)0.67 mi11613+42486-32486-31204725722572
25K2.43 mi11449+1642458+282458+281098123322332
30K3.11 mi10804+6452283+1752283+175916518311831
35K3.11 mi10085+7192131+1522131+152760215211521
40K3.10 mi9330+7551946+1851946+185625612331233
Finish(26.22 mi)1.37 mi9034+2961873+731873+73578211521152

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×10story building
+49ft-125ft

Overall

11977

Females

2590

F45-49

2590

5K→10K

3.1 - 6.2 mi

Top 19%
×4story building
+50ft-81ft

Overall

11644

Females

2490

F45-49

2490

10K→15K

6.2 - 9.3 mi

Top 20%
×1story
+44ft-51ft

Overall

11977

Females

2590

F45-49

2590

15K→20K

9.3 - 12.4 mi

Top 20%
×3story building
+67ft-40ft

Overall

12059

Females

2582

F45-49

2582

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+8ft-27ft

Overall

12047

Females

2572

F45-49

2572

Half→25K

13.1 - 15.5 mi

Top 18%
×2story building
+50ft-63ft

Overall

10981

Females

2332

F45-49

2332

25K→30K

15.5 - 18.6 mi

Top 15%
×2story building
+69ft-46ft

Overall

9165

Females

1831

F45-49

1831

30K→35K

18.6 - 21.8 mi

Top 13%
×2story building
+87ft-88ft

Overall

7602

Females

1521

F45-49

1521

35K→40K

21.8 - 24.9 mi

Top 10%
×3story building
+58ft-75ft

Overall

6256

Females

1233

F45-49

1233

40K→Finish

24.9 - 26.2 mi

Top 10%
×1story
+14ft-18ft

Overall

5782

Females

1152

F45-49

1152

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#11538
5K10K
200238*+38
#11538 #11500
10K15K
200200-61
#11500 #11561
15K20K
200173-56
#11561 #11617
20KHalf
4953+4
#11617 #11613
Half25K
103267*+164
#11613 #11449
25K30K
22667+645
#11449 #10804
30K35K
29748*+719
#10804 #10085
35K40K
20775*+755
#10085 #9330
40KFinish
9305*+296
#9330 #9034
TOTALS
8323426*+2504
#11538 #9034

* 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