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BOSTON MARATHON 2026

Seth Rinderknecht

Bib: 9837•M

IN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 20%
Gender (Male)
#0 / 16340
Top 32%
Masters (Masters Men)
#0 / 10617
Top 18%
Age Group (M45-49)
#0 / 2413
Top 24%
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
21:24
3.11 mi
Rank: #7622
Start → 5K
21:24 | 6:54/mi
10K
42:31
6.21 mi
Rank: #7294 (+328)
5K → 10K
21:07 | 6:48/mi
15K
1:03:36
9.32 mi
Rank: #7065 (+229)
10K → 15K
21:05 | 6:48/mi
20K
1:24:52
12.43 mi
Rank: #6915 (+150)
15K → 20K
21:16 | 6:51/mi
HALF
1:29:33
13.11 mi
Rank: #6977 (-62)
20K → HALF
4:41 | 6:53/mi
25K
1:46:05
15.53 mi
Rank: #6774 (+203)
HALF → 25K
16:32 | 6:50/mi
30K
2:07:46
18.64 mi
Rank: #6548 (+226)
25K → 30K
21:41 | 6:59/mi
20M
2:17:23
20.00 mi
Rank: #6496 (+52)
30K → 20M
9:37 | 7:05/mi
21M
2:24:35
21.00 mi
Rank: #6365 (+131)
20M → 21M
7:12 | 7:12/mi
35K
2:29:22
21.75 mi
Rank: #6196 (+169)
21M → 35K
4:47 | 6:24/mi
23M
2:37:59
23.00 mi
Rank: #6060 (+136)
35K → 23M
8:37 | 6:54/mi
24M
2:44:52
24.00 mi
Rank: #6030 (+30)
23M → 24M
6:53 | 6:53/mi
40K
2:51:03
24.85 mi
Rank: #6058 (-28)
24M → 40K
6:11 | 7:14/mi
25.2M
2:53:36
25.20 mi
Rank: #6019 (+39)
40K → 25.2M
2:33 | 7:24/mi
FINISH
3:00:09
26.22 mi
Rank: #5894 (+125)
25.2M → FINISH
6:33 | 6:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:4021:246:5421:24
6:54
-
10K
6.21 mi10:58:4742:316:5121:07
6:48
-0:06
15K
9.32 mi11:19:521:03:366:5021:05
6:48
0:00
20K
12.43 mi11:41:081:24:526:5021:16
6:51
+0:03
HALF
13.11 mi11:45:491:29:336:504:41
6:53
+0:02
25K
15.53 mi12:02:211:46:056:5016:32
6:50
-0:03
30K
18.64 mi12:24:022:07:466:5221:41
6:59
+0:09
20M
20.00 mi12:33:392:17:236:539:37
7:05
+0:06
21M
21.00 mi12:40:512:24:356:547:12
7:12
+0:07
35K
21.75 mi12:45:382:29:226:534:47
6:24
-0:48
23M
23.00 mi12:54:152:37:596:538:37
6:54
+0:30
24M
24.00 mi13:01:082:44:526:536:53
6:53
-0:01
40K
24.85 mi13:07:192:51:036:536:11
7:14
+0:21
25.2M
25.20 mi13:09:522:53:366:542:33
7:24
+0:10
FINISH
26.22 mi13:16:253:00:096:536:33
6:26
-0:58

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

6:24 /mi

Average Pace

6:53 /mi

Slowest Pace

7:24 /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

2:34:36

86% of race

Time at Steady Pace

25:33

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:37:4021:246:5421:24
6:54
#7622
10K
6.21 mi10:58:4742:316:5121:07
6:48
#7294
15K
9.32 mi11:19:521:03:366:5021:05
6:48
#7065
20K
12.43 mi11:41:081:24:526:5021:16
6:51
#6915
HALF
13.11 mi11:45:491:29:336:504:41
6:53
#6977
25K
15.53 mi12:02:211:46:056:5016:32
6:50
#6774
30K
18.64 mi12:24:022:07:466:5221:41
6:59
#6548
20M
20.00 mi12:33:392:17:236:539:37
7:05
#6496
21M
21.00 mi12:40:512:24:356:547:12
7:12
#6365
35K
21.75 mi12:45:382:29:226:534:47
6:24
#6196
23M
23.00 mi12:54:152:37:596:538:37
6:54
#6060
24M
24.00 mi13:01:082:44:526:536:53
6:53
#6030
40K
24.85 mi13:07:192:51:036:536:11
7:14
#6058
25.2M
25.20 mi13:09:522:53:366:542:33
7:24
#6019
FINISH
26.22 mi13:16:253:00:096:536:33
6:26
#5894
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7622664566456667(Top 23%)5936(Top 36%)5936(Top 246%)
10K6.21 mi3.10 mi7294+3286412+2336412+2336927(Top 24%)6145(Top 38%)6145(Top 255%)
15K9.32 mi3.11 mi7065+2296243+1696243+1696667(Top 23%)5936(Top 36%)5936(Top 246%)
20K12.43 mi3.11 mi6915+1506122+1216122+1216597(Top 23%)5855(Top 36%)5855(Top 243%)
HALF13.11 mi0.68 mi6977-626169-476169-477626(Top 26%)6586(Top 40%)6586(Top 273%)
25K15.53 mi2.42 mi6774+2036017+1526017+1525956(Top 21%)5331(Top 33%)5331(Top 221%)
30K18.64 mi3.11 mi6548+2265831+1865831+1865741(Top 20%)5113(Top 31%)5113(Top 212%)
20M20.00 mi1.36 mi6496+525773+585773+586082(Top 21%)5303(Top 32%)5303(Top 220%)
21M21.00 mi1.00 mi6365+1315660+1135660+1134647(Top 16%)4134(Top 25%)4134(Top 171%)
35K21.75 mi0.75 mi6196+1695534+1265534+1263027(Top 10%)2825(Top 17%)2825(Top 117%)
23M23.00 mi1.25 mi6060+1365422+1125422+1124663(Top 16%)4135(Top 25%)4135(Top 171%)
24M24.00 mi1.00 mi6030+305389+335389+335687(Top 20%)4820(Top 29%)4820(Top 200%)
40K24.85 mi0.85 mi6058-285400-115400-116922(Top 24%)5553(Top 34%)5553(Top 230%)
25.2M25.20 mi0.35 mi6019+395370+305370+304625(Top 16%)3953(Top 24%)3953(Top 164%)
FINISH26.22 mi1.02 mi5894+1255265+1055265+1053740(Top 13%)3274(Top 20%)3274(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21
+97ft-345ft

Overall

6667

Males

5936

M45-49

5936

5K→10K

3.1 - 6.2 mi

Top 24%
×5
+79ft-138ft

Overall

6927

Males

6145

M45-49

6145

10K→15K

6.2 - 9.3 mi

Top 23%
×3
+67ft-78ft

Overall

6667

Males

5936

M45-49

5936

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6597

Males

5855

M45-49

5855

20K→HALF

12.4 - 13.1 mi

Top 26%
×2
+19ft-37ft

Overall

7626

Males

6586

M45-49

6586

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

5956

Males

5331

M45-49

5331

25K→30K

15.5 - 18.6 mi

Top 20%
×9
+181ft-148ft

Overall

5741

Males

5113

M45-49

5113

30K→20M

18.6 - 20.0 mi

Top 21%
×5
+64ft-50ft

Overall

6082

Males

5303

M45-49

5303

20M→21M

20.0 - 21.0 mi

Top 16%
×8
+106ft-24ft

Overall

4647

Males

4134

M45-49

4134

21M→35K

21.0 - 21.8 mi

Top 10%
×7
+17ft-86ft

Overall

3027

Males

2825

M45-49

2825

35K→23M

21.8 - 23.0 mi

Top 16%
×5
+23ft-63ft

Overall

4663

Males

4135

M45-49

4135

23M→24M

23.0 - 24.0 mi

Top 20%
×6
+12ft-82ft

Overall

5687

Males

4820

M45-49

4820

24M→40K

24.0 - 24.9 mi

Top 24%
×1
+6ft-20ft

Overall

6922

Males

5553

M45-49

5553

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1
+13ft-16ft

Overall

4625

Males

3953

M45-49

3953

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
×2
+22ft-21ft

Overall

3740

Males

3274

M45-49

3274

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2304
Passed By
576
Net Change
+1728
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7622
5K → 10K41385+328#7622#7294
10K → 15K29061+229#7294#7065
15K → 20K22878+150#7065#6915
20K → HALF1072-62#6915#6977
HALF → 25K22421+203#6977#6774
25K → 30K26337+226#6774#6548
30K → 20M10452+52#6548#6496
20M → 21M14110+131#6496#6365
21M → 35K1690+169#6365#6196
35K → 23M14913+136#6196#6060
23M → 24M7141+30#6060#6030
24M → 40K6088-28#6030#6058
40K → 25.2M467+39#6058#6019
25.2M → FINISH13611+125#6019#5894
TOTALS2304576+1728
📊

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

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing