Iona Boardman

Bib: 28890 F GB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
13:41/mi
42:29
49125
10K· 6.21 mi
13:26/mi
1:24:13
5081
15K· 9.32 mi
13:25/mi
2:05:53
4451
20K· 12.43 mi
13:42/mi
2:48:26
6740
Half· 13.10 mi
14:02/mi
2:57:51
27
25K· 15.53 mi
14:06/mi
3:32:10
5063
30K· 18.64 mi
15:33/mi
4:20:26
6946
35K· 21.75 mi
18:36/mi
5:18:12
8788
40K· 24.85 mi
16:55/mi
6:10:44
5875
Finish· 26.22 mi
13:15/mi
6:28:47
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
2:57:5113:35 /mi⚡ faster
2nd Half
3:30:5616:05 /mi+18.6%
Positive split — 18.6% 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
42:2913:413.11 mi42:29
13:41
-
10K
1:24:1313:343.10 mi41:44
13:26
-0:15
15K
2:05:5313:313.11 mi41:40
13:25
-0:01
20K
2:48:2613:343.11 mi42:33
13:42
+0:17
Half(13.10 mi)
2:57:5113:350.67 mi9:25
14:02
+0:20
25K
3:32:1013:402.43 mi34:19
14:06
+0:04
30K
4:20:2613:593.11 mi48:16
15:33
+1:27
35K
5:18:1214:383.11 mi57:46
18:36
+3:03
40K
6:10:4414:553.10 mi52:32
16:55
-1:41
Finish(26.22 mi)
6:28:4714:511.37 mi18:03
13:15
-3:40
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

13:15 /mi

Average Pace

14:50 /mi

Slowest Pace

18:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:50:13

59% of race

Time at Slower Pace

2:38:34

41% of race

Average Pace: 14:50 /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 mi582262493924939541762216822168
10K3.10 mi57405+82124335+60424335+604563702363523635
15K3.11 mi56507+89823705+63023705+630541762216822168
20K3.11 mi55884+62323288+41723288+417539922222022220
Half(13.10 mi)0.67 mi55787+9723226+6223226+62537012221222212
25K2.43 mi55153+63422820+40622820+406514942083920839
30K3.11 mi55088+6522828-822828-8542442267422674
35K3.11 mi55977-88923475-64723475-647582282519225192
40K3.10 mi56271-29423717-24223717-242570082451224512
Finish(26.22 mi)1.37 mi55997+27423552+16523552+165477911959419594

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×10story building
+49ft-125ft

Overall

54176

Females

22168

F18-39

22168

5K→10K

3.1 - 6.2 mi

Top 94%
×4story building
+50ft-81ft

Overall

56370

Females

23635

F18-39

23635

10K→15K

6.2 - 9.3 mi

Top 91%
×1story
+44ft-51ft

Overall

54176

Females

22168

F18-39

22168

15K→20K

9.3 - 12.4 mi

Top 90%
×3story building
+67ft-40ft

Overall

53992

Females

22220

F18-39

22220

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+8ft-27ft

Overall

53701

Females

22212

F18-39

22212

Half→25K

13.1 - 15.5 mi

Top 86%
×2story building
+50ft-63ft

Overall

51494

Females

20839

F18-39

20839

25K→30K

15.5 - 18.6 mi

Top 91%
×2story building
+69ft-46ft

Overall

54244

Females

22674

F18-39

22674

30K→35K

18.6 - 21.8 mi

Top 97%
×2story building
+87ft-88ft

Overall

58228

Females

25192

F18-39

25192

35K→40K

21.8 - 24.9 mi

Top 95%
×3story building
+58ft-75ft

Overall

57008

Females

24512

F18-39

24512

40K→Finish

24.9 - 26.2 mi

Top 80%
×1story
+14ft-18ft

Overall

47791

Females

19594

F18-39

19594

Passing Analysis

Category:
Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#58226
5K10K
42863+821
#58226 #57405
10K15K
31929+898
#57405 #56507
15K20K
51674+623
#56507 #55884
20KHalf
22119+97
#55884 #55787
Half25K
51685+634
#55787 #55153
25K30K
271336+65
#55153 #55088
30K35K
92839-889
#55088 #55977
35K40K
36571-294
#55977 #56271
40KFinish
2276+274
#56271 #55997
TOTALS
17633992+2229
#58226 #55997

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