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LONDON MARATHON MASS 2026

Rachel Chudley

Bib: 30993 F GB

0:00
0:00
/ mi
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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
12:39/mi
39:16
↑ 49↓ 125
10K· 6.21 mi
13:38/mi
1:21:36
↑ 50↓ 81
15K· 9.32 mi
15:46/mi
2:10:32
↑ 44↓ 51
20K· 12.43 mi
15:20/mi
2:58:10
↑ 67↓ 40
Half· 13.10 mi
16:20/mi
3:09:07
↓ 27
25K· 15.53 mi
16:16/mi
3:48:42
↑ 50↓ 63
30K· 18.64 mi
17:17/mi
4:42:23
↑ 69↓ 46
35K· 21.75 mi
19:45/mi
5:43:42
↑ 87↓ 88
40K· 24.85 mi
19:19/mi
6:43:40
↑ 58↓ 75
Finish· 26.22 mi
17:26/mi
7:07:26
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
3:09:0714:27 /mi⚡ faster
2nd Half
3:58:1918:10 /mi+26.0%
Positive split — 26.0% 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
39:1612:393.11 mi39:16
12:39
-
10K
1:21:3613:083.10 mi42:20
13:38
+0:59
15K
2:10:3214:013.11 mi48:56
15:46
+2:08
20K
2:58:1014:213.11 mi47:38
15:20
-0:26
Half(13.10 mi)
3:09:0714:270.67 mi10:57
16:20
+1:00
25K
3:48:4214:442.43 mi39:35
16:16
-0:04
30K
4:42:2315:093.11 mi53:41
17:17
+1:01
35K
5:43:4215:493.11 mi1:01:19
19:45
+2:28
40K
6:43:4016:153.10 mi59:58
19:19
-0:26
Finish(26.22 mi)
7:07:2616:191.37 mi23:46
17:26
-1:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:39 /mi

Average Pace

16:19 /mi

Slowest Pace

19:45 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:21:36

19% of race

Time at Steady Pace

3:20:47

47% of race

Time at Slower Pace

2:25:03

34% of race

Average Pace: 16:18 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi562422348623486583372505525055
10K3.10 mi56611-36923760-27423760-274567292387923879
15K3.11 mi57465-85424390-63024390-630583372505525055
20K3.11 mi57454+1124408-1824408-18572352430424304
Half(13.10 mi)0.67 mi57505-5124449-4124449-41578282485224852
25K2.43 mi57373+13224362+8724362+87563212379723797
30K3.11 mi57491-11824462-10024462-100573472454424544
35K3.11 mi57966-47524810-34824810-348589992565525655
40K3.10 mi58225-25924997-18724997-187590202564625646
Finish(26.22 mi)1.37 mi58266-4125041-4425041-44580982515825158

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×10story building
+49ft-125ft

Overall

58337

Females

25055

F18-39

25055

5K→10K

3.1 - 6.2 mi

Top 95%
×4story building
+50ft-81ft

Overall

56729

Females

23879

F18-39

23879

10K→15K

6.2 - 9.3 mi

Top 98%
×1story
+44ft-51ft

Overall

58337

Females

25055

F18-39

25055

15K→20K

9.3 - 12.4 mi

Top 96%
×3story building
+67ft-40ft

Overall

57235

Females

24304

F18-39

24304

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+8ft-27ft

Overall

57828

Females

24852

F18-39

24852

Half→25K

13.1 - 15.5 mi

Top 94%
×2story building
+50ft-63ft

Overall

56321

Females

23797

F18-39

23797

25K→30K

15.5 - 18.6 mi

Top 96%
×2story building
+69ft-46ft

Overall

57347

Females

24544

F18-39

24544

30K→35K

18.6 - 21.8 mi

Top 99%
×2story building
+87ft-88ft

Overall

58999

Females

25655

F18-39

25655

35K→40K

21.8 - 24.9 mi

Top 99%
×3story building
+58ft-75ft

Overall

59020

Females

25646

F18-39

25646

40K→Finish

24.9 - 26.2 mi

Top 97%
×1story
+14ft-18ft

Overall

58098

Females

25158

F18-39

25158

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#56242
5K → 10K
682313-369
#56242 → #56611
10K → 15K
91763-854
#56611 → #57465
15K → 20K
222233+11
#57465 → #57454
20K → Half
8433-51
#57454 → #57505
Half → 25K
107239+132
#57505 → #57373
25K → 30K
245127-118
#57373 → #57491
30K → 35K
49924-475
#57491 → #57966
35K → 40K
27920-259
#57966 → #58225
40K → Finish
7029-41
#58225 → #58266
TOTALS
31051081-2024
#56242 → #58266

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing