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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nelson Leonardo

Bib: 32246 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
27:01
3.11 mi
Rank: #21160
Start → 5K
27:01 | 8:42/mi
10K
54:16
6.21 mi
Rank: #21506 (-346)
5K → 10K
27:15 | 8:47/mi
15K
1:21:08
9.32 mi
Rank: #21293 (+213)
10K → 15K
26:52 | 8:39/mi
20K
1:48:38
12.43 mi
Rank: #21252 (+41)
15K → 20K
27:30 | 8:52/mi
HALF
1:54:36
13.11 mi
Rank: #21258 (-6)
20K → HALF
5:58 | 8:46/mi
25K
2:16:02
15.53 mi
Rank: #21118 (+140)
HALF → 25K
21:26 | 8:51/mi
30K
2:44:32
18.64 mi
Rank: #20957 (+161)
25K → 30K
28:30 | 9:11/mi
20M
2:57:12
20.00 mi
Rank: #20918 (+39)
30K → 20M
12:40 | 9:20/mi
21M
3:07:16
21.00 mi
Rank: #20883 (+35)
20M → 21M
10:04 | 10:04/mi
35K
3:14:12
21.75 mi
Rank: #20888 (-5)
21M → 35K
6:56 | 9:17/mi
23M
3:25:59
23.00 mi
Rank: #20881 (+7)
35K → 23M
11:47 | 9:25/mi
24M
3:35:18
24.00 mi
Rank: #20881
23M → 24M
9:19 | 9:19/mi
40K
3:43:38
24.85 mi
Rank: #20910 (-29)
24M → 40K
8:20 | 9:45/mi
25.2M
3:47:25
25.20 mi
Rank: #20955 (-45)
40K → 25.2M
3:47 | 10:59/mi
FINISH
3:57:21
26.22 mi
Rank: #21078 (-123)
25.2M → FINISH
9:56 | 9:45/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:36
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:02:45
Pace9:22 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:3827:018:4227:01
8:42
-
10K
6.21 mi12:24:5354:168:4527:15
8:47
+0:05
15K
9.32 mi12:51:451:21:088:4326:52
8:39
-0:08
20K
12.43 mi13:19:151:48:388:4527:30
8:52
+0:13
HALF
13.11 mi13:25:131:54:368:455:58
8:46
-0:06
25K
15.53 mi13:46:392:16:028:4621:26
8:51
+0:05
30K
18.64 mi14:15:092:44:328:5028:30
9:11
+0:20
20M
20.00 mi14:27:492:57:128:5212:40
9:20
+0:09
21M
21.00 mi14:37:533:07:168:5610:04
10:04
+0:44
35K
21.75 mi14:44:493:14:128:566:56
9:17
-0:47
23M
23.00 mi14:56:363:25:598:5811:47
9:25
+0:08
24M
24.00 mi15:05:553:35:188:599:19
9:19
-0:06
40K
24.85 mi15:14:153:43:389:008:20
9:45
+0:26
25.2M
25.20 mi15:18:023:47:259:023:47
10:59
+1:14
FINISH
26.22 mi15:27:583:57:219:049:56
9:45
-1:14

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

8:39 /mi

Average Pace

9:04 /mi

Slowest Pace

10:59 /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

2:16:02

57% of race

Time at Steady Pace

1:09:12

29% of race

Time at Slower Pace

32:07

14% of race

Average Pace: 9:03 /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 mi11:57:3827:018:4227:01
8:42
#21160
10K
6.21 mi12:24:5354:168:4527:15
8:47
#21506
15K
9.32 mi12:51:451:21:088:4326:52
8:39
#21293
20K
12.43 mi13:19:151:48:388:4527:30
8:52
#21252
HALF
13.11 mi13:25:131:54:368:455:58
8:46
#21258
25K
15.53 mi13:46:392:16:028:4621:26
8:51
#21118
30K
18.64 mi14:15:092:44:328:5028:30
9:11
#20957
20M
20.00 mi14:27:492:57:128:5212:40
9:20
#20918
21M
21.00 mi14:37:533:07:168:5610:04
10:04
#20883
35K
21.75 mi14:44:493:14:128:566:56
9:17
#20888
23M
23.00 mi14:56:363:25:598:5811:47
9:25
#20881
24M
24.00 mi15:05:553:35:188:599:19
9:19
#20881
40K
24.85 mi15:14:153:43:389:008:20
9:45
#20910
25.2M
25.20 mi15:18:023:47:259:023:47
10:59
#20955
FINISH
26.22 mi15:27:583:57:219:049:56
9:45
#21078
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21160128091280920899(Top 72%)12747(Top 78%)12747(Top 682%)
10K6.21 mi3.10 mi21506-34613000-19113000-19121754(Top 75%)13137(Top 80%)13137(Top 703%)
15K9.32 mi3.11 mi21293+21312898+10212898+10220899(Top 72%)12747(Top 78%)12747(Top 682%)
20K12.43 mi3.11 mi21252+4112865+3312865+3321228(Top 73%)12881(Top 79%)12881(Top 690%)
HALF13.11 mi0.68 mi21258-612870-512870-521550(Top 74%)13045(Top 80%)13045(Top 698%)
25K15.53 mi2.42 mi21118+14012801+6912801+6920405(Top 70%)12454(Top 76%)12454(Top 667%)
30K18.64 mi3.11 mi20957+16112709+9212709+9220392(Top 70%)12366(Top 76%)12366(Top 662%)
20M20.00 mi1.36 mi20918+3912680+2912680+2920357(Top 70%)12280(Top 75%)12280(Top 657%)
21M21.00 mi1.00 mi20883+3512657+2312657+2320640(Top 71%)12379(Top 76%)12379(Top 663%)
35K21.75 mi0.75 mi20888-512652+512652+521032(Top 72%)12500(Top 76%)12500(Top 669%)
23M23.00 mi1.25 mi20881+712640+1212640+1220293(Top 70%)12109(Top 74%)12109(Top 648%)
24M24.00 mi1.00 mi2088112636+412636+420680(Top 71%)12220(Top 75%)12220(Top 654%)
40K24.85 mi0.85 mi20910-2912640-412640-421176(Top 73%)12421(Top 76%)12421(Top 665%)
25.2M25.20 mi0.35 mi20955-4512655-1512655-1522276(Top 77%)12970(Top 79%)12970(Top 694%)
FINISH26.22 mi1.02 mi21078-12312698-4312698-4323116(Top 80%)13364(Top 82%)13364(Top 715%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20899

Males

12747

M50-54

12747

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21754

Males

13137

M50-54

13137

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20899

Males

12747

M50-54

12747

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21228

Males

12881

M50-54

12881

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21550

Males

13045

M50-54

13045

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20405

Males

12454

M50-54

12454

25K→30K

15.5 - 18.6 mi

Top 70%
×9
+181ft-148ft

Overall

20392

Males

12366

M50-54

12366

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20357

Males

12280

M50-54

12280

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20640

Males

12379

M50-54

12379

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

21032

Males

12500

M50-54

12500

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20293

Males

12109

M50-54

12109

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20680

Males

12220

M50-54

12220

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21176

Males

12421

M50-54

12421

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22276

Males

12970

M50-54

12970

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23116

Males

13364

M50-54

13364

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1532*
Passed By
1164
Net Change
+82
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21160
5K → 10K140200-346#21160#21506
10K → 15K297*84+213#21506#21293
15K → 20K176135+41#21293#21252
20K → HALF3238-6#21252#21258
HALF → 25K19151+140#21258#21118
25K → 30K242*81+161#21118#20957
30K → 20M8849+39#20957#20918
20M → 21M9055+35#20918#20883
21M → 35K5156-5#20883#20888
35K → 23M8881+7#20888#20881
23M → 24M56560#20881#20881
24M → 40K4776-29#20881#20910
40K → 25.2M1661-45#20910#20955
25.2M → FINISH18141-123#20955#21078
TOTALS1532*1164+82

* 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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Activity Data

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