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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

London Tuma

Bib: 28451 •F •Age: N/A

VA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
28:28
3.11 mi
Rank: #23335
Start → 5K
28:28 | 9:10/mi
10K
55:30
6.21 mi
Rank: #22425 (+910)
5K → 10K
27:02 | 8:43/mi
15K
1:22:19
9.32 mi
Rank: #21935 (+490)
10K → 15K
26:49 | 8:38/mi
20K
1:48:31
12.43 mi
Rank: #21202 (+733)
15K → 20K
26:12 | 8:26/mi
HALF
1:54:05
13.11 mi
Rank: #21058 (+144)
20K → HALF
5:34 | 8:10/mi
25K
2:14:49
15.53 mi
Rank: #20720 (+338)
HALF → 25K
20:44 | 8:33/mi
30K
2:42:05
18.64 mi
Rank: #20299 (+421)
25K → 30K
27:16 | 8:47/mi
20M
2:54:01
20.00 mi
Rank: #20107 (+192)
30K → 20M
11:56 | 8:48/mi
21M
3:03:04
21.00 mi
Rank: #19907 (+200)
20M → 21M
9:03 | 9:03/mi
35K
3:09:04
21.75 mi
Rank: #19722 (+185)
21M → 35K
6:00 | 8:02/mi
23M
3:20:06
23.00 mi
Rank: #19614 (+108)
35K → 23M
11:02 | 8:49/mi
24M
3:28:45
24.00 mi
Rank: #19528 (+86)
23M → 24M
8:39 | 8:39/mi
40K
3:35:46
24.85 mi
Rank: #19331 (+197)
24M → 40K
7:01 | 8:13/mi
25.2M
3:38:30
25.20 mi
Rank: #19166 (+165)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:46:11
26.22 mi
Rank: #18893 (+273)
25.2M → FINISH
7:41 | 7:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:54:05
Pace8:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:52:06
Pace8:34 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3428:289:1028:28
9:10
-
10K
6.21 mi12:18:3655:308:5627:02
8:43
-0:27
15K
9.32 mi12:45:251:22:198:5026:49
8:38
-0:05
20K
12.43 mi13:11:371:48:318:4426:12
8:26
-0:12
HALF
13.11 mi13:17:111:54:058:435:34
8:10
-0:16
25K
15.53 mi13:37:552:14:498:4120:44
8:33
+0:23
30K
18.64 mi14:05:112:42:058:4227:16
8:47
+0:14
20M
20.00 mi14:17:072:54:018:4311:56
8:48
+0:01
21M
21.00 mi14:26:103:03:048:449:03
9:03
+0:15
35K
21.75 mi14:32:103:09:048:426:00
8:02
-1:01
23M
23.00 mi14:43:123:20:068:4311:02
8:49
+0:47
24M
24.00 mi14:51:513:28:458:428:39
8:39
-0:10
40K
24.85 mi14:58:523:35:468:417:01
8:13
-0:26
25.2M
25.20 mi15:01:363:38:308:412:44
7:56
-0:17
FINISH
26.22 mi15:09:173:46:118:387:41
7:33
-0:23

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:33 /mi

Average Pace

8:38 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

29:00

13% of race

Time at Steady Pace

2:39:40

71% of race

Time at Slower Pace

37:31

17% of race

Average Pace: 8:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:3428:289:1028:28
9:10
#23335
10K
6.21 mi12:18:3655:308:5627:02
8:43
#22425
15K
9.32 mi12:45:251:22:198:5026:49
8:38
#21935
20K
12.43 mi13:11:371:48:318:4426:12
8:26
#21202
HALF
13.11 mi13:17:111:54:058:435:34
8:10
#21058
25K
15.53 mi13:37:552:14:498:4120:44
8:33
#20720
30K
18.64 mi14:05:112:42:058:4227:16
8:47
#20299
20M
20.00 mi14:17:072:54:018:4311:56
8:48
#20107
21M
21.00 mi14:26:103:03:048:449:03
9:03
#19907
35K
21.75 mi14:32:103:09:048:426:00
8:02
#19722
23M
23.00 mi14:43:123:20:068:4311:02
8:49
#19614
24M
24.00 mi14:51:513:28:458:428:39
8:39
#19528
40K
24.85 mi14:58:523:35:468:417:01
8:13
#19331
25.2M
25.20 mi15:01:363:38:308:412:44
7:56
#19166
FINISH
26.22 mi15:09:173:46:118:387:41
7:33
#18893
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi233359335933520832(Top 72%)8021(Top 64%)8021(Top 140%)
10K6.21 mi3.10 mi22425+9108882+4538882+45321434(Top 74%)8357(Top 66%)8357(Top 146%)
15K9.32 mi3.11 mi21935+4908628+2548628+25420832(Top 72%)8021(Top 64%)8021(Top 140%)
20K12.43 mi3.11 mi21202+7338267+3618267+36118923(Top 65%)7027(Top 56%)7027(Top 123%)
HALF13.11 mi0.68 mi21058+1448181+868181+8618263(Top 63%)6636(Top 53%)6636(Top 116%)
25K15.53 mi2.42 mi20720+3388021+1608021+16018896(Top 65%)7066(Top 56%)7066(Top 124%)
30K18.64 mi3.11 mi20299+4217812+2097812+20918454(Top 64%)6921(Top 55%)6921(Top 121%)
20M20.00 mi1.36 mi20107+1927723+897723+8917911(Top 62%)6707(Top 53%)6707(Top 117%)
21M21.00 mi1.00 mi19907+2007634+897634+8916413(Top 57%)5930(Top 47%)5930(Top 104%)
35K21.75 mi0.75 mi19722+1857549+857549+8514704(Top 51%)5041(Top 40%)5041(Top 88%)
23M23.00 mi1.25 mi19614+1087520+297520+2917553(Top 60%)6726(Top 53%)6726(Top 118%)
24M24.00 mi1.00 mi19528+867484+367484+3617785(Top 61%)6885(Top 55%)6885(Top 120%)
40K24.85 mi0.85 mi19331+1977389+957389+9513885(Top 48%)4838(Top 38%)4838(Top 85%)
25.2M25.20 mi0.35 mi19166+1657308+817308+818053(Top 28%)1935(Top 15%)1935(Top 34%)
FINISH26.22 mi1.02 mi18893+2737166+1427166+14211817(Top 41%)3786(Top 30%)3786(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20832

Females

8021

F18-39

8021

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21434

Females

8357

F18-39

8357

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20832

Females

8021

F18-39

8021

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18923

Females

7027

F18-39

7027

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18263

Females

6636

F18-39

6636

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18896

Females

7066

F18-39

7066

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18454

Females

6921

F18-39

6921

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17911

Females

6707

F18-39

6707

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16413

Females

5930

F18-39

5930

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14704

Females

5041

F18-39

5041

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17553

Females

6726

F18-39

6726

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17785

Females

6885

F18-39

6885

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

13885

Females

4838

F18-39

4838

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8053

Females

1935

F18-39

1935

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11817

Females

3786

F18-39

3786

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4622*
Passed By
180
Net Change
+4442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23335
5K → 10K945*35+910#23335#22425
10K → 15K522*32+490#22425#21935
15K → 20K737*4+733#21935#21202
20K → HALF1440+144#21202#21058
HALF → 25K343*5+338#21058#20720
25K → 30K442*21+421#20720#20299
30K → 20M204*12+192#20299#20107
20M → 21M207*7+200#20107#19907
21M → 35K1850+185#19907#19722
35K → 23M13628+108#19722#19614
23M → 24M11731+86#19614#19528
24M → 40K201*4+197#19528#19331
40K → 25.2M1650+165#19331#19166
25.2M → FINISH274*1+273#19166#18893
TOTALS4622*180+4442

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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