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LONDON MARATHON MASS 2026

Sam Donaldson

Bib: 60733 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
10:28/mi
32:31
↑ 49↓ 125
10K· 6.21 mi
12:10/mi
1:10:18
↑ 50↓ 81
15K· 9.32 mi
12:28/mi
1:49:00
↑ 44↓ 51
20K· 12.43 mi
12:39/mi
2:28:18
↑ 67↓ 40
Half· 13.10 mi
11:54/mi
2:36:17
↓ 27
25K· 15.53 mi
18:29/mi
3:21:16
↑ 50↓ 63
30K· 18.64 mi
16:27/mi
4:12:22
↑ 69↓ 46
35K· 21.75 mi
15:53/mi
5:01:41
↑ 87↓ 88
40K· 24.85 mi
14:16/mi
5:45:59
↑ 58↓ 75
Finish· 26.22 mi
14:29/mi
6:05:44
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
2:36:1711:56 /mi⚡ faster
2nd Half
3:29:2715:58 /mi+34.0%
Positive split — 34.0% 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
32:3110:283.11 mi32:31
10:28
-
10K
1:10:1811:193.10 mi37:47
12:10
+1:42
15K
1:49:0011:423.11 mi38:42
12:28
+0:18
20K
2:28:1811:563.11 mi39:18
12:39
+0:11
Half(13.10 mi)
2:36:1711:560.67 mi7:59
11:54
-0:45
25K
3:21:1612:582.43 mi44:59
18:29
+6:35
30K
4:12:2213:333.11 mi51:06
16:27
-2:02
35K
5:01:4113:533.11 mi49:19
15:53
-0:34
40K
5:45:5913:563.10 mi44:18
14:16
-1:37
Finish(26.22 mi)
6:05:4413:581.37 mi19:45
14:29
+0:13
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:28 /mi

Average Pace

13:58 /mi

Slowest Pace

18:29 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:36:17

43% of race

Time at Steady Pace

1:04:03

18% of race

Time at Slower Pace

2:25:24

40% of race

Average Pace: 13:57 /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 mi435461538415384506411982019820
10K3.10 mi49195-564918766-338218766-3382525132099620996
15K3.11 mi49769-57419151-38519151-385506411982019820
20K3.11 mi50005-23619392-24119392-241506031999719997
Half(13.10 mi)0.67 mi49702+30319216+17619216+176452791708017080
25K2.43 mi52979-327721423-220721423-2207584822519125191
30K3.11 mi53757-77821987-56421987-564561412379523795
35K3.11 mi53863-10622131-14422131-144534852250722507
40K3.10 mi53511+35221977+15421977+154494882049520495
Finish(26.22 mi)1.37 mi53551-4022017-4022017-40529552232022320

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×10story building
+49ft-125ft

Overall

50641

Females

19820

F18-39

19820

5K→10K

3.1 - 6.2 mi

Top 88%
×4story building
+50ft-81ft

Overall

52513

Females

20996

F18-39

20996

10K→15K

6.2 - 9.3 mi

Top 85%
×1story
+44ft-51ft

Overall

50641

Females

19820

F18-39

19820

15K→20K

9.3 - 12.4 mi

Top 85%
×3story building
+67ft-40ft

Overall

50603

Females

19997

F18-39

19997

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+8ft-27ft

Overall

45279

Females

17080

F18-39

17080

Half→25K

13.1 - 15.5 mi

Top 98%
×2story building
+50ft-63ft

Overall

58482

Females

25191

F18-39

25191

25K→30K

15.5 - 18.6 mi

Top 94%
×2story building
+69ft-46ft

Overall

56141

Females

23795

F18-39

23795

30K→35K

18.6 - 21.8 mi

Top 89%
×2story building
+87ft-88ft

Overall

53485

Females

22507

F18-39

22507

35K→40K

21.8 - 24.9 mi

Top 83%
×3story building
+58ft-75ft

Overall

49488

Females

20495

F18-39

20495

40K→Finish

24.9 - 26.2 mi

Top 89%
×1story
+14ft-18ft

Overall

52955

Females

22320

F18-39

22320

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#43546
5K → 10K
573990-5649
#43546 → #49195
10K → 15K
982408-574
#49195 → #49769
15K → 20K
659423-236
#49769 → #50005
20K → Half
8311+303
#50005 → #49702
Half → 25K
329619-3277
#49702 → #52979
25K → 30K
898120-778
#52979 → #53757
30K → 35K
347241-106
#53757 → #53863
35K → 40K
73425+352
#53863 → #53511
40K → Finish
13090-40
#53511 → #53551
TOTALS
121322127-10005
#43546 → #53551

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