TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Megan O'Callaghan

Bib: 74101 F US

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
10:57/mi
34:01
↑ 49↓ 125
10K· 6.21 mi
11:41/mi
1:10:18
↑ 50↓ 81
15K· 9.32 mi
12:05/mi
1:47:50
↑ 44↓ 51
20K· 12.43 mi
17:15/mi
2:41:23
↑ 67↓ 40
Half· 13.10 mi
12:30/mi
2:49:46
↓ 27
25K· 15.53 mi
13:01/mi
3:21:27
↑ 50↓ 63
30K· 18.64 mi
11:52/mi
3:58:18
↑ 69↓ 46
35K· 21.75 mi
13:27/mi
4:40:04
↑ 87↓ 88
40K· 24.85 mi
12:45/mi
5:19:39
↑ 58↓ 75
Finish· 26.22 mi
12:21/mi
5:36:29
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
2:49:4612:58 /mi+1.8%
2nd Half
2:46:4312:43 /mi✓ faster
Negative split — 1.8% faster 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
34:0110:573.11 mi34:01
10:57
-
10K
1:10:1811:193.10 mi36:17
11:41
+0:44
15K
1:47:5011:353.11 mi37:32
12:05
+0:24
20K
2:41:2313:003.11 mi53:33
17:15
+5:10
Half(13.10 mi)
2:49:4612:580.67 mi8:23
12:30
-4:45
25K
3:21:2712:592.43 mi31:41
13:01
+0:31
30K
3:58:1812:483.11 mi36:51
11:52
-1:09
35K
4:40:0412:533.11 mi41:46
13:27
+1:35
40K
5:19:3912:523.10 mi39:35
12:45
-0:42
Finish(26.22 mi)
5:36:2912:511.37 mi16:50
12:21
-0:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:57 /mi

Average Pace

12:51 /mi

Slowest Pace

17:15 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:10:18

21% of race

Time at Steady Pace

2:50:52

51% of race

Time at Slower Pace

1:35:19

28% of race

Average Pace: 12:50 /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 mi479631803818038489071869718697
10K3.10 mi49194-123118765-72718765-727502801950119501
15K3.11 mi49029+16518686+7918686+79489071869718697
20K3.11 mi54349-532022236-355022236-3550588802547625476
Half(13.10 mi)0.67 mi54041+30822063+17322063+173481661877118771
25K2.43 mi53013+102821444+61921444+619475931852918529
30K3.11 mi50953+206020182+126220182+1262381941383113831
35K3.11 mi49941+101219697+48519697+485432311704017040
40K3.10 mi48999+94219227+47019227+470406871606016060
Finish(26.22 mi)1.37 mi48707+29219090+13719090+137423351677416774

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×10story building
+49ft-125ft

Overall

48907

Females

18697

F18-39

18697

5K→10K

3.1 - 6.2 mi

Top 84%
×4story building
+50ft-81ft

Overall

50280

Females

19501

F18-39

19501

10K→15K

6.2 - 9.3 mi

Top 82%
×1story
+44ft-51ft

Overall

48907

Females

18697

F18-39

18697

15K→20K

9.3 - 12.4 mi

Top 98%
×3story building
+67ft-40ft

Overall

58880

Females

25476

F18-39

25476

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+8ft-27ft

Overall

48166

Females

18771

F18-39

18771

Half→25K

13.1 - 15.5 mi

Top 80%
×2story building
+50ft-63ft

Overall

47593

Females

18529

F18-39

18529

25K→30K

15.5 - 18.6 mi

Top 64%
×2story building
+69ft-46ft

Overall

38194

Females

13831

F18-39

13831

30K→35K

18.6 - 21.8 mi

Top 72%
×2story building
+87ft-88ft

Overall

43231

Females

17040

F18-39

17040

35K→40K

21.8 - 24.9 mi

Top 68%
×3story building
+58ft-75ft

Overall

40687

Females

16060

F18-39

16060

40K→Finish

24.9 - 26.2 mi

Top 71%
×1story
+14ft-18ft

Overall

42335

Females

16774

F18-39

16774

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#47963
5K → 10K
1684453-1231
#47963 → #49194
10K → 15K
512677+165
#49194 → #49029
15K → 20K
53244-5320
#49029 → #54349
20K → Half
4312+308
#54349 → #54041
Half → 25K
191047+1028
#54041 → #53013
25K → 30K
32063+2060
#53013 → #50953
30K → 35K
351047+1012
#50953 → #49941
35K → 40K
22964+942
#49941 → #48999
40K → Finish
26318+292
#48999 → #48707
TOTALS
76296885-744
#47963 → #48707

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