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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Thomas Leslie

Bib: 2977 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Age Group (M18-39)
#0 / 5723
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
18:41
3.11 mi
Rank: #1239
Start → 5K
18:41 | 6:01/mi
10K
37:32
6.21 mi
Rank: #1419 (-180)
5K → 10K
18:51 | 6:05/mi
15K
56:21
9.32 mi
Rank: #1482 (-63)
10K → 15K
18:49 | 6:04/mi
20K
1:15:54
12.43 mi
Rank: #1708 (-226)
15K → 20K
19:33 | 6:18/mi
HALF
1:20:15
13.11 mi
Rank: #1784 (-76)
20K → HALF
4:21 | 6:23/mi
25K
1:36:42
15.53 mi
Rank: #2205 (-421)
HALF → 25K
16:27 | 6:47/mi
30K
1:58:31
18.64 mi
Rank: #2740 (-535)
25K → 30K
21:49 | 7:02/mi
20M
2:10:16
20.00 mi
Rank: #3580 (-840)
30K → 20M
11:45 | 8:40/mi
21M
2:18:14
21.00 mi
Rank: #3836 (-256)
20M → 21M
7:58 | 7:58/mi
35K
2:23:51
21.75 mi
Rank: #4031 (-195)
21M → 35K
5:37 | 7:31/mi
23M
2:33:15
23.00 mi
Rank: #4278 (-247)
35K → 23M
9:24 | 7:31/mi
24M
2:40:48
24.00 mi
Rank: #4524 (-246)
23M → 24M
7:33 | 7:33/mi
40K
2:47:13
24.85 mi
Rank: #4678 (-154)
24M → 40K
6:25 | 7:31/mi
25.2M
2:49:55
25.20 mi
Rank: #4716 (-38)
40K → 25.2M
2:42 | 7:50/mi
FINISH
2:57:11
26.22 mi
Rank: #4846 (-130)
25.2M → FINISH
7:16 | 7:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:20:15
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:36:56
Pace7:24 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5618:416:0118:41
6:01
-
10K
6.21 mi10:38:4737:326:0318:51
6:05
+0:04
15K
9.32 mi10:57:3656:216:0318:49
6:04
-0:01
20K
12.43 mi11:17:091:15:546:0719:33
6:18
+0:14
HALF
13.11 mi11:21:301:20:156:084:21
6:23
+0:05
25K
15.53 mi11:37:571:36:426:1416:27
6:47
+0:24
30K
18.64 mi11:59:461:58:316:2221:49
7:02
+0:15
20M
20.00 mi12:11:312:10:166:3111:45
8:40
+1:38
21M
21.00 mi12:19:292:18:146:357:58
7:58
-0:42
35K
21.75 mi12:25:062:23:516:375:37
7:31
-0:27
23M
23.00 mi12:34:302:33:156:409:24
7:31
0:00
24M
24.00 mi12:42:032:40:486:437:33
7:33
+0:02
40K
24.85 mi12:48:282:47:136:446:25
7:31
-0:02
25.2M
25.20 mi12:51:102:49:556:452:42
7:50
+0:19
FINISH
26.22 mi12:58:262:57:116:467:16
7:08
-0:42

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

6:01 /mi

Average Pace

6:46 /mi

Slowest Pace

8:40 /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

1:20:15

45% of race

Time at Steady Pace

1:06:58

38% of race

Time at Slower Pace

29:58

17% of race

Average Pace: 6:45 /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 mi10:19:5618:416:0118:41
6:01
#1239
10K
6.21 mi10:38:4737:326:0318:51
6:05
#1419
15K
9.32 mi10:57:3656:216:0318:49
6:04
#1482
20K
12.43 mi11:17:091:15:546:0719:33
6:18
#1708
HALF
13.11 mi11:21:301:20:156:084:21
6:23
#1784
25K
15.53 mi11:37:571:36:426:1416:27
6:47
#2205
30K
18.64 mi11:59:461:58:316:2221:49
7:02
#2740
20M
20.00 mi12:11:312:10:166:3111:45
8:40
#3580
21M
21.00 mi12:19:292:18:146:357:58
7:58
#3836
35K
21.75 mi12:25:062:23:516:375:37
7:31
#4031
23M
23.00 mi12:34:302:33:156:409:24
7:31
#4278
24M
24.00 mi12:42:032:40:486:437:33
7:33
#4524
40K
24.85 mi12:48:282:47:136:446:25
7:31
#4678
25.2M
25.20 mi12:51:102:49:556:452:42
7:50
#4716
FINISH
26.22 mi12:58:262:57:116:467:16
7:08
#4846
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 mi1239118511851619(Top 6%)1557(Top 10%)1557(Top 27%)
10K6.21 mi3.10 mi1419-1801364-1791364-1791663(Top 6%)1601(Top 10%)1601(Top 28%)
15K9.32 mi3.11 mi1482-631427-631427-631619(Top 6%)1557(Top 10%)1557(Top 27%)
20K12.43 mi3.11 mi1708-2261647-2201647-2202522(Top 9%)2429(Top 15%)2429(Top 42%)
HALF13.11 mi0.68 mi1784-761721-741721-743643(Top 13%)3484(Top 21%)3484(Top 61%)
25K15.53 mi2.42 mi2205-4212129-4082129-4085600(Top 19%)5066(Top 31%)5066(Top 89%)
30K18.64 mi3.11 mi2740-5352634-5052634-5056060(Top 21%)5344(Top 33%)5344(Top 93%)
20M20.00 mi1.36 mi3580-8403407-7733407-77317056(Top 59%)10753(Top 66%)10753(Top 188%)
21M21.00 mi1.00 mi3836-2563626-2193626-2199608(Top 33%)7254(Top 44%)7254(Top 127%)
35K21.75 mi0.75 mi4031-1953788-1623788-16210835(Top 37%)7858(Top 48%)7858(Top 137%)
23M23.00 mi1.25 mi4278-2473998-2103998-2108924(Top 31%)6821(Top 42%)6821(Top 119%)
24M24.00 mi1.00 mi4524-2464190-1924190-19210400(Top 36%)7486(Top 46%)7486(Top 131%)
40K24.85 mi0.85 mi4678-1544309-1194309-1198834(Top 30%)6601(Top 40%)6601(Top 115%)
25.2M25.20 mi0.35 mi4716-384340-314340-317156(Top 25%)5602(Top 34%)5602(Top 98%)
FINISH26.22 mi1.02 mi4846-1304429-894429-898536(Top 29%)6326(Top 39%)6326(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21
+97ft-345ft

Overall

1619

Males

1557

M18-39

1557

5K→10K

3.1 - 6.2 mi

Top 6%
×5
+79ft-138ft

Overall

1663

Males

1601

M18-39

1601

10K→15K

6.2 - 9.3 mi

Top 6%
×3
+67ft-78ft

Overall

1619

Males

1557

M18-39

1557

15K→20K

9.3 - 12.4 mi

Top 9%
×5
+106ft-86ft

Overall

2522

Males

2429

M18-39

2429

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3643

Males

3484

M18-39

3484

HALF→25K

13.1 - 15.5 mi

Top 19%
×4
+66ft-88ft

Overall

5600

Males

5066

M18-39

5066

25K→30K

15.5 - 18.6 mi

Top 21%
×9
+181ft-148ft

Overall

6060

Males

5344

M18-39

5344

30K→20M

18.6 - 20.0 mi

Top 59%
×5
+64ft-50ft

Overall

17056

Males

10753

M18-39

10753

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9608

Males

7254

M18-39

7254

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10835

Males

7858

M18-39

7858

35K→23M

21.8 - 23.0 mi

Top 31%
×5
+23ft-63ft

Overall

8924

Males

6821

M18-39

6821

23M→24M

23.0 - 24.0 mi

Top 36%
×6
+12ft-82ft

Overall

10400

Males

7486

M18-39

7486

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8834

Males

6601

M18-39

6601

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1
+13ft-16ft

Overall

7156

Males

5602

M18-39

5602

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
×2
+22ft-21ft

Overall

8536

Males

6326

M18-39

6326

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
174
Passed By
2329
Net Change
-3607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1239
5K → 10K21200-180#1239#1419
10K → 15K1982-63#1419#1482
15K → 20K9200-226#1482#1708
20K → HALF076-76#1708#1784
HALF → 25K2200-421#1784#2205
25K → 30K11200-535#2205#2740
30K → 20M3200-840#2740#3580
20M → 21M5200-256#3580#3836
21M → 35K12200-195#3836#4031
35K → 23M25200-247#4031#4278
23M → 24M18200-246#4278#4524
24M → 40K19173-154#4524#4678
40K → 25.2M1149-38#4678#4716
25.2M → FINISH19149-130#4716#4846
TOTALS1742329-3607
📊

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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