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BOSTON MARATHON 2026

Marc Leenen

Bib: 31728•M

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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 (M55-59)
#0 / 1491
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
27:49
3.11 mi
Rank: #22417
Start → 5K
27:49 | 8:58/mi
10K
54:45
6.21 mi
Rank: #21864 (+553)
5K → 10K
26:56 | 8:41/mi
15K
1:21:13
9.32 mi
Rank: #21337 (+527)
10K → 15K
26:28 | 8:32/mi
20K
1:48:11
12.43 mi
Rank: #21062 (+275)
15K → 20K
26:58 | 8:41/mi
HALF
1:54:03
13.11 mi
Rank: #21049 (+13)
20K → HALF
5:52 | 8:37/mi
25K
2:15:19
15.53 mi
Rank: #20876 (+173)
HALF → 25K
21:16 | 8:47/mi
30K
2:44:36
18.64 mi
Rank: #20968 (-92)
25K → 30K
29:17 | 9:26/mi
20M
2:57:37
20.00 mi
Rank: #20988 (-20)
30K → 20M
13:01 | 9:35/mi
21M
3:07:36
21.00 mi
Rank: #20974 (+14)
20M → 21M
9:59 | 9:59/mi
35K
3:14:48
21.75 mi
Rank: #21040 (-66)
21M → 35K
7:12 | 9:38/mi
23M
3:27:36
23.00 mi
Rank: #21211 (-171)
35K → 23M
12:48 | 10:14/mi
24M
3:37:33
24.00 mi
Rank: #21302 (-91)
23M → 24M
9:57 | 9:57/mi
40K
3:46:03
24.85 mi
Rank: #21354 (-52)
24M → 40K
8:30 | 9:57/mi
25.2M
3:49:43
25.20 mi
Rank: #21368 (-14)
40K → 25.2M
3:40 | 10:38/mi
FINISH
3:59:08
26.22 mi
Rank: #21418 (-50)
25.2M → FINISH
9:25 | 9:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:03
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:05:05
Pace9:33 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4327:498:5827:49
8:58
-
10K
6.21 mi12:21:3954:458:4926:56
8:41
-0:17
15K
9.32 mi12:48:071:21:138:4326:28
8:32
-0:09
20K
12.43 mi13:15:051:48:118:4326:58
8:41
+0:09
HALF
13.11 mi13:20:571:54:038:435:52
8:37
-0:04
25K
15.53 mi13:42:132:15:198:4321:16
8:47
+0:10
30K
18.64 mi14:11:302:44:368:5029:17
9:26
+0:39
20M
20.00 mi14:24:312:57:378:5313:01
9:35
+0:09
21M
21.00 mi14:34:303:07:368:579:59
9:59
+0:24
35K
21.75 mi14:41:423:14:488:587:12
9:38
-0:21
23M
23.00 mi14:54:303:27:369:0212:48
10:14
+0:36
24M
24.00 mi15:04:273:37:339:049:57
9:57
-0:17
40K
24.85 mi15:12:573:46:039:068:30
9:57
0:00
25.2M
25.20 mi15:16:373:49:439:073:40
10:38
+0:41
FINISH
26.22 mi15:26:023:59:089:089:25
9:15
-1:23

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

8:32 /mi

Average Pace

9:08 /mi

Slowest Pace

10:38 /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

2:15:19

57% of race

Time at Steady Pace

58:55

25% of race

Time at Slower Pace

44:54

19% of race

Average Pace: 9:07 /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 mi11:54:4327:498:5827:49
8:58
#22417
10K
6.21 mi12:21:3954:458:4926:56
8:41
#21864
15K
9.32 mi12:48:071:21:138:4326:28
8:32
#21337
20K
12.43 mi13:15:051:48:118:4326:58
8:41
#21062
HALF
13.11 mi13:20:571:54:038:435:52
8:37
#21049
25K
15.53 mi13:42:132:15:198:4321:16
8:47
#20876
30K
18.64 mi14:11:302:44:368:5029:17
9:26
#20968
20M
20.00 mi14:24:312:57:378:5313:01
9:35
#20988
21M
21.00 mi14:34:303:07:368:579:59
9:59
#20974
35K
21.75 mi14:41:423:14:488:587:12
9:38
#21040
23M
23.00 mi14:54:303:27:369:0212:48
10:14
#21211
24M
24.00 mi15:04:273:37:339:049:57
9:57
#21302
40K
24.85 mi15:12:573:46:039:068:30
9:57
#21354
25.2M
25.20 mi15:16:373:49:439:073:40
10:38
#21368
FINISH
26.22 mi15:26:023:59:089:089:25
9:15
#21418
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22417134361343620267(Top 70%)12447(Top 76%)12447(Top 835%)
10K6.21 mi3.10 mi21864+55313176+26013176+26021253(Top 73%)12897(Top 79%)12897(Top 865%)
15K9.32 mi3.11 mi21337+52712918+25812918+25820267(Top 70%)12447(Top 76%)12447(Top 835%)
20K12.43 mi3.11 mi21062+27512789+12912789+12920328(Top 70%)12445(Top 76%)12445(Top 835%)
HALF13.11 mi0.68 mi21049+1312783+612783+620846(Top 72%)12729(Top 78%)12729(Top 854%)
25K15.53 mi2.42 mi20876+17312692+9112692+9120075(Top 69%)12298(Top 75%)12298(Top 825%)
30K18.64 mi3.11 mi20968-9212714-2212714-2221374(Top 74%)12834(Top 79%)12834(Top 861%)
20M20.00 mi1.36 mi20988-2012713+112713+121352(Top 74%)12744(Top 78%)12744(Top 855%)
21M21.00 mi1.00 mi20974+1412699+1412699+1420358(Top 70%)12244(Top 75%)12244(Top 821%)
35K21.75 mi0.75 mi21040-6612732-3312732-3322119(Top 76%)13020(Top 80%)13020(Top 873%)
23M23.00 mi1.25 mi21211-17112804-7212804-7222723(Top 78%)13261(Top 81%)13261(Top 889%)
24M24.00 mi1.00 mi21302-9112835-3112835-3122638(Top 78%)13193(Top 81%)13193(Top 885%)
40K24.85 mi0.85 mi21354-5212849-1412849-1421756(Top 75%)12692(Top 78%)12692(Top 851%)
25.2M25.20 mi0.35 mi21368-1412848+112848+121431(Top 74%)12561(Top 77%)12561(Top 842%)
FINISH26.22 mi1.02 mi21418-5012865-1712865-1721420(Top 74%)12558(Top 77%)12558(Top 842%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20267

Males

12447

M55-59

12447

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21253

Males

12897

M55-59

12897

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20267

Males

12447

M55-59

12447

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20328

Males

12445

M55-59

12445

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20846

Males

12729

M55-59

12729

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

20075

Males

12298

M55-59

12298

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21374

Males

12834

M55-59

12834

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21352

Males

12744

M55-59

12744

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20358

Males

12244

M55-59

12244

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22119

Males

13020

M55-59

13020

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22723

Males

13261

M55-59

13261

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22638

Males

13193

M55-59

13193

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21756

Males

12692

M55-59

12692

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21431

Males

12561

M55-59

12561

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21420

Males

12558

M55-59

12558

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2222
Passed By
1223
Net Change
+999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22417
5K → 10K64188+553#22417#21864
10K → 15K55124+527#21864#21337
15K → 20K31641+275#21337#21062
20K → HALF3017+13#21062#21049
HALF → 25K21845+173#21049#20876
25K → 30K128220-92#20876#20968
30K → 20M6888-20#20968#20988
20M → 21M7359+14#20988#20974
21M → 35K37103-66#20974#21040
35K → 23M36207-171#21040#21211
23M → 24M33124-91#21211#21302
24M → 40K3385-52#21302#21354
40K → 25.2M2135-14#21354#21368
25.2M → FINISH3787-50#21368#21418
TOTALS22221223+999
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing