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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Thomas Welsh

Bib: 7898 •M •Age: N/A

FL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds
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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
31:33
3.11 mi
Rank: #26369
Start → 5K
31:33 | 10:10/mi
10K
1:03:37
6.21 mi
Rank: #26481 (-112)
5K → 10K
32:04 | 10:20/mi
15K
1:35:13
9.32 mi
Rank: #26329 (+152)
10K → 15K
31:36 | 10:11/mi
20K
2:10:29
12.43 mi
Rank: #26672 (-343)
15K → 20K
35:16 | 11:22/mi
HALF
2:17:08
13.11 mi
Rank: #26589 (+83)
20K → HALF
6:39 | 9:46/mi
25K
2:42:20
15.53 mi
Rank: #26389 (+200)
HALF → 25K
25:12 | 10:24/mi
30K
3:16:56
18.64 mi
Rank: #26251 (+138)
25K → 30K
34:36 | 11:09/mi
20M
3:32:13
20.00 mi
Rank: #26182 (+69)
30K → 20M
15:17 | 11:16/mi
21M
3:44:51
21.00 mi
Rank: #26176 (+6)
20M → 21M
12:38 | 12:38/mi
35K
3:53:51
21.75 mi
Rank: #26212 (-36)
21M → 35K
9:00 | 12:02/mi
23M
4:09:44
23.00 mi
Rank: #26296 (-84)
35K → 23M
15:53 | 12:42/mi
24M
4:22:47
24.00 mi
Rank: #26395 (-99)
23M → 24M
13:03 | 13:03/mi
40K
4:34:17
24.85 mi
Rank: #26472 (-77)
24M → 40K
11:30 | 13:28/mi
25.2M
4:39:10
25.20 mi
Rank: #26493 (-21)
40K → 25.2M
4:53 | 14:10/mi
FINISH
4:51:53
26.22 mi
Rank: #26596 (-103)
25.2M → FINISH
12:43 | 12:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:08
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:34:45
Pace11:49 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:40:4031:3310:1031:33
10:10
-
10K
6.21 mi11:12:441:03:3710:1532:04
10:20
+0:10
15K
9.32 mi11:44:201:35:1310:1331:36
10:11
-0:09
20K
12.43 mi12:19:362:10:2910:3035:16
11:22
+1:11
HALF
13.11 mi12:26:152:17:0810:286:39
9:46
-1:36
25K
15.53 mi12:51:272:42:2010:2825:12
10:24
+0:38
30K
18.64 mi13:26:033:16:5610:3434:36
11:09
+0:45
20M
20.00 mi13:41:203:32:1310:3715:17
11:16
+0:07
21M
21.00 mi13:53:583:44:5110:4312:38
12:38
+1:22
35K
21.75 mi14:02:583:53:5110:469:00
12:02
-0:36
23M
23.00 mi14:18:514:09:4410:5215:53
12:42
+0:40
24M
24.00 mi14:31:544:22:4710:5713:03
13:03
+0:21
40K
24.85 mi14:43:244:34:1711:0311:30
13:28
+0:25
25.2M
25.20 mi14:48:174:39:1011:054:53
14:10
+0:42
FINISH
26.22 mi15:01:004:51:5311:0912:43
12:29
-1:41

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

9:46 /mi

Average Pace

11:08 /mi

Slowest Pace

14:10 /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

2:07:04

44% of race

Time at Steady Pace

1:25:09

29% of race

Time at Slower Pace

1:19:40

27% of race

Average Pace: 11:08 /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 mi10:40:4031:3310:1031:33
10:10
#26369
10K
6.21 mi11:12:441:03:3710:1532:04
10:20
#26481
15K
9.32 mi11:44:201:35:1310:1331:36
10:11
#26329
20K
12.43 mi12:19:362:10:2910:3035:16
11:22
#26672
HALF
13.11 mi12:26:152:17:0810:286:39
9:46
#26589
25K
15.53 mi12:51:272:42:2010:2825:12
10:24
#26389
30K
18.64 mi13:26:033:16:5610:3434:36
11:09
#26251
20M
20.00 mi13:41:203:32:1310:3715:17
11:16
#26182
21M
21.00 mi13:53:583:44:5110:4312:38
12:38
#26176
35K
21.75 mi14:02:583:53:5110:469:00
12:02
#26212
23M
23.00 mi14:18:514:09:4410:5215:53
12:42
#26296
24M
24.00 mi14:31:544:22:4710:5713:03
13:03
#26395
40K
24.85 mi14:43:244:34:1711:0311:30
13:28
#26472
25.2M
25.20 mi14:48:174:39:1011:054:53
14:10
#26493
FINISH
26.22 mi15:01:004:51:5311:0912:43
12:29
#26596
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26369153681536826065(Top 90%)15203(Top 93%)15203(Top 266%)
10K6.21 mi3.10 mi26481-11215405-3715405-3726573(Top 92%)15416(Top 94%)15416(Top 269%)
15K9.32 mi3.11 mi26329+15215326+7915326+7926065(Top 90%)15203(Top 93%)15203(Top 266%)
20K12.43 mi3.11 mi26672-34315460-13415460-13427376(Top 94%)15740(Top 96%)15740(Top 275%)
HALF13.11 mi0.68 mi26589+8315415+4515415+4525040(Top 86%)14706(Top 90%)14706(Top 257%)
25K15.53 mi2.42 mi26389+20015333+8215333+8225213(Top 87%)14772(Top 90%)14772(Top 258%)
30K18.64 mi3.11 mi26251+13815236+9715236+9725571(Top 88%)14814(Top 91%)14814(Top 259%)
20M20.00 mi1.36 mi26182+6915196+4015196+4025347(Top 87%)14626(Top 90%)14626(Top 256%)
21M21.00 mi1.00 mi26176+615183+1315183+1325951(Top 89%)14864(Top 91%)14864(Top 260%)
35K21.75 mi0.75 mi26212-3615192-915192-926761(Top 92%)15224(Top 93%)15224(Top 266%)
23M23.00 mi1.25 mi26296-8415212-2015212-2027013(Top 93%)15324(Top 94%)15324(Top 268%)
24M24.00 mi1.00 mi26395-9915254-4215254-4227685(Top 95%)15634(Top 96%)15634(Top 273%)
40K24.85 mi0.85 mi26472-7715275-2115275-2127456(Top 95%)15510(Top 95%)15510(Top 271%)
25.2M25.20 mi0.35 mi26493-2115283-815283-827327(Top 94%)15429(Top 94%)15429(Top 270%)
FINISH26.22 mi1.02 mi26596-10315321-3815321-3827875(Top 96%)15718(Top 96%)15718(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21
+97ft-345ft

Overall

26065

Males

15203

M18-39

15203

5K→10K

3.1 - 6.2 mi

Top 92%
×5
+79ft-138ft

Overall

26573

Males

15416

M18-39

15416

10K→15K

6.2 - 9.3 mi

Top 90%
×3
+67ft-78ft

Overall

26065

Males

15203

M18-39

15203

15K→20K

9.3 - 12.4 mi

Top 94%
×5
+106ft-86ft

Overall

27376

Males

15740

M18-39

15740

20K→HALF

12.4 - 13.1 mi

Top 86%
×2
+19ft-37ft

Overall

25040

Males

14706

M18-39

14706

HALF→25K

13.1 - 15.5 mi

Top 87%
×4
+66ft-88ft

Overall

25213

Males

14772

M18-39

14772

25K→30K

15.5 - 18.6 mi

Top 88%
×9
+181ft-148ft

Overall

25571

Males

14814

M18-39

14814

30K→20M

18.6 - 20.0 mi

Top 87%
×5
+64ft-50ft

Overall

25347

Males

14626

M18-39

14626

20M→21M

20.0 - 21.0 mi

Top 89%
×8
+106ft-24ft

Overall

25951

Males

14864

M18-39

14864

21M→35K

21.0 - 21.8 mi

Top 92%
×7
+17ft-86ft

Overall

26761

Males

15224

M18-39

15224

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

27013

Males

15324

M18-39

15324

23M→24M

23.0 - 24.0 mi

Top 95%
×6
+12ft-82ft

Overall

27685

Males

15634

M18-39

15634

24M→40K

24.0 - 24.9 mi

Top 95%
×1
+6ft-20ft

Overall

27456

Males

15510

M18-39

15510

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27327

Males

15429

M18-39

15429

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
×2
+22ft-21ft

Overall

27875

Males

15718

M18-39

15718

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1064*
Passed By
1060
Net Change
-227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26369
5K → 10K145200-112#26369#26481
10K → 15K204*52+152#26481#26329
15K → 20K31200-343#26329#26672
20K → HALF830+83#26672#26589
HALF → 25K202*2+200#26589#26389
25K → 30K18850+138#26389#26251
30K → 20M9223+69#26251#26182
20M → 21M5044+6#26182#26176
21M → 35K1652-36#26176#26212
35K → 23M20104-84#26212#26296
23M → 24M5104-99#26296#26395
24M → 40K1895-77#26395#26472
40K → 25.2M627-21#26472#26493
25.2M → FINISH4107-103#26493#26596
TOTALS1064*1060-227

* 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

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OTQ

Olympic Trials Qualifying analysis available

Activity Data

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