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LONDON MARATHON MASS 2026

Chloe Welch

Bib: 36744 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
11:29/mi
35:39
↑ 49↓ 125
10K· 6.21 mi
11:23/mi
1:10:58
↑ 50↓ 81
15K· 9.32 mi
11:45/mi
1:47:26
↑ 44↓ 51
20K· 12.43 mi
11:34/mi
2:23:20
↑ 67↓ 40
Half· 13.10 mi
11:51/mi
2:31:17
↓ 27
25K· 15.53 mi
12:03/mi
3:00:36
↑ 50↓ 63
30K· 18.64 mi
12:28/mi
3:39:17
↑ 69↓ 46
35K· 21.75 mi
12:50/mi
4:19:09
↑ 87↓ 88
40K· 24.85 mi
12:00/mi
4:56:25
↑ 58↓ 75
Finish· 26.22 mi
11:26/mi
5:12:00
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
2:31:1711:33 /mi⚡ faster
2nd Half
2:40:4312:15 /mi+6.2%
Positive split — 6.2% 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
35:3911:293.11 mi35:39
11:29
-
10K
1:10:5811:263.10 mi35:19
11:23
-0:06
15K
1:47:2611:323.11 mi36:28
11:45
+0:22
20K
2:23:2011:333.11 mi35:54
11:34
-0:11
Half(13.10 mi)
2:31:1711:330.67 mi7:57
11:51
+0:17
25K
3:00:3611:382.43 mi29:19
12:03
+0:12
30K
3:39:1711:463.11 mi38:41
12:28
+0:25
35K
4:19:0911:553.11 mi39:52
12:50
+0:22
40K
4:56:2511:563.10 mi37:16
12:00
-0:50
Finish(26.22 mi)
5:12:0011:551.37 mi15:35
11:26
-0:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:23 /mi

Average Pace

11:55 /mi

Slowest Pace

12:50 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

4:32:08

87% of race

Time at Steady Pace

39:52

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:54 /mi

Loading chart...
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 mi515762024920249469591749217492
10K3.10 mi49917+165919218+103119218+1031483091823618236
15K3.11 mi48777+114018519+69918519+699469591749217492
20K3.11 mi47784+99318010+50918010+509454711689416894
Half(13.10 mi)0.67 mi47573+21117913+9717913+97449391686516865
25K2.43 mi46643+93017461+45217461+452432131602516025
30K3.11 mi45632+101116996+46516996+465415741557515575
35K3.11 mi44716+91616666+33016666+330398861530115301
40K3.10 mi43626+109016226+44016226+440354611357713577
Finish(26.22 mi)1.37 mi43210+41616051+17516051+175352981346013460

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×10story building
+49ft-125ft

Overall

46959

Females

17492

F18-39

17492

5K→10K

3.1 - 6.2 mi

Top 81%
×4story building
+50ft-81ft

Overall

48309

Females

18236

F18-39

18236

10K→15K

6.2 - 9.3 mi

Top 79%
×1story
+44ft-51ft

Overall

46959

Females

17492

F18-39

17492

15K→20K

9.3 - 12.4 mi

Top 76%
×3story building
+67ft-40ft

Overall

45471

Females

16894

F18-39

16894

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+8ft-27ft

Overall

44939

Females

16865

F18-39

16865

Half→25K

13.1 - 15.5 mi

Top 72%
×2story building
+50ft-63ft

Overall

43213

Females

16025

F18-39

16025

25K→30K

15.5 - 18.6 mi

Top 70%
×2story building
+69ft-46ft

Overall

41574

Females

15575

F18-39

15575

30K→35K

18.6 - 21.8 mi

Top 67%
×2story building
+87ft-88ft

Overall

39886

Females

15301

F18-39

15301

35K→40K

21.8 - 24.9 mi

Top 59%
×3story building
+58ft-75ft

Overall

35461

Females

13577

F18-39

13577

40K→Finish

24.9 - 26.2 mi

Top 59%
×1story
+14ft-18ft

Overall

35298

Females

13460

F18-39

13460

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#51576
5K → 10K
1031762+1659
#51576 → #49917
10K → 15K
1501290+1140
#49917 → #48777
15K → 20K
1121105+993
#48777 → #47784
20K → Half
32243+211
#47784 → #47573
Half → 25K
1011031+930
#47573 → #46643
25K → 30K
1131124+1011
#46643 → #45632
30K → 35K
1211037+916
#45632 → #44716
35K → 40K
381128+1090
#44716 → #43626
40K → Finish
20436+416
#43626 → #43210
TOTALS
7909156+8366
#51576 → #43210

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