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BOSTON MARATHON 2026

Alejandro Koppmann

Bib: 23558•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 (M60-64)
#0 / 1514
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
26:23
3.11 mi
Rank: #20024
Start → 5K
26:23 | 8:30/mi
10K
53:32
6.21 mi
Rank: #20845 (-821)
5K → 10K
27:09 | 8:45/mi
15K
1:19:59
9.32 mi
Rank: #20624 (+221)
10K → 15K
26:27 | 8:31/mi
20K
1:47:12
12.43 mi
Rank: #20652 (-28)
15K → 20K
27:13 | 8:46/mi
HALF
1:53:05
13.11 mi
Rank: #20658 (-6)
20K → HALF
5:53 | 8:38/mi
25K
2:14:54
15.53 mi
Rank: #20750 (-92)
HALF → 25K
21:49 | 9:00/mi
30K
2:45:03
18.64 mi
Rank: #21085 (-335)
25K → 30K
30:09 | 9:43/mi
20M
2:58:27
20.00 mi
Rank: #21190 (-105)
30K → 20M
13:24 | 9:52/mi
21M
3:09:02
21.00 mi
Rank: #21291 (-101)
20M → 21M
10:35 | 10:35/mi
35K
3:16:16
21.75 mi
Rank: #21345 (-54)
21M → 35K
7:14 | 9:41/mi
23M
3:29:10
23.00 mi
Rank: #21492 (-147)
35K → 23M
12:54 | 10:19/mi
24M
3:39:38
24.00 mi
Rank: #21690 (-198)
23M → 24M
10:28 | 10:28/mi
40K
3:48:58
24.85 mi
Rank: #21854 (-164)
24M → 40K
9:20 | 10:55/mi
25.2M
3:52:47
25.20 mi
Rank: #21871 (-17)
40K → 25.2M
3:49 | 11:05/mi
FINISH
4:02:42
26.22 mi
Rank: #21917 (-46)
25.2M → FINISH
9:55 | 9:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:05
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:09:37
Pace9:54 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1626:238:3026:23
8:30
-
10K
6.21 mi11:56:2553:328:3727:09
8:45
+0:15
15K
9.32 mi12:22:521:19:598:3526:27
8:31
-0:14
20K
12.43 mi12:50:051:47:128:3827:13
8:46
+0:15
HALF
13.11 mi12:55:581:53:058:385:53
8:38
-0:08
25K
15.53 mi13:17:472:14:548:4221:49
9:00
+0:22
30K
18.64 mi13:47:562:45:038:5230:09
9:43
+0:43
20M
20.00 mi14:01:202:58:278:5613:24
9:52
+0:09
21M
21.00 mi14:11:553:09:029:0110:35
10:35
+0:43
35K
21.75 mi14:19:093:16:169:027:14
9:41
-0:54
23M
23.00 mi14:32:033:29:109:0612:54
10:19
+0:38
24M
24.00 mi14:42:313:39:389:1010:28
10:28
+0:09
40K
24.85 mi14:51:513:48:589:139:20
10:55
+0:27
25.2M
25.20 mi14:55:403:52:479:153:49
11:05
+0:10
FINISH
26.22 mi15:05:354:02:429:169:55
9:44
-1:21

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

8:30 /mi

Average Pace

9:16 /mi

Slowest Pace

11:05 /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

2:14:54

56% of race

Time at Steady Pace

1:00:42

25% of race

Time at Slower Pace

47:06

19% of race

Average Pace: 9:15 /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 mi11:29:1626:238:3026:23
8:30
#20024
10K
6.21 mi11:56:2553:328:3727:09
8:45
#20845
15K
9.32 mi12:22:521:19:598:3526:27
8:31
#20624
20K
12.43 mi12:50:051:47:128:3827:13
8:46
#20652
HALF
13.11 mi12:55:581:53:058:385:53
8:38
#20658
25K
15.53 mi13:17:472:14:548:4221:49
9:00
#20750
30K
18.64 mi13:47:562:45:038:5230:09
9:43
#21085
20M
20.00 mi14:01:202:58:278:5613:24
9:52
#21190
21M
21.00 mi14:11:553:09:029:0110:35
10:35
#21291
35K
21.75 mi14:19:093:16:169:027:14
9:41
#21345
23M
23.00 mi14:32:033:29:109:0612:54
10:19
#21492
24M
24.00 mi14:42:313:39:389:1010:28
10:28
#21690
40K
24.85 mi14:51:513:48:589:139:20
10:55
#21854
25.2M
25.20 mi14:55:403:52:479:153:49
11:05
#21871
FINISH
26.22 mi15:05:354:02:429:169:55
9:44
#21917
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20024122931229320236(Top 70%)12434(Top 76%)12434(Top 821%)
10K6.21 mi3.10 mi20845-82112687-39412687-39421605(Top 74%)13068(Top 80%)13068(Top 863%)
15K9.32 mi3.11 mi20624+22112600+8712600+8720236(Top 70%)12434(Top 76%)12434(Top 821%)
20K12.43 mi3.11 mi20652-2812592+812592+820753(Top 72%)12648(Top 77%)12648(Top 835%)
HALF13.11 mi0.68 mi20658-612602-1012602-1020978(Top 72%)12792(Top 78%)12792(Top 845%)
25K15.53 mi2.42 mi20750-9212628-2612628-2621154(Top 73%)12822(Top 78%)12822(Top 847%)
30K18.64 mi3.11 mi21085-33512773-14512773-14522269(Top 77%)13280(Top 81%)13280(Top 877%)
20M20.00 mi1.36 mi21190-10512811-3812811-3822204(Top 77%)13164(Top 81%)13164(Top 869%)
21M21.00 mi1.00 mi21291-10112858-4712858-4722149(Top 76%)13101(Top 80%)13101(Top 865%)
35K21.75 mi0.75 mi21345-5412872-1412872-1422253(Top 77%)13087(Top 80%)13087(Top 864%)
23M23.00 mi1.25 mi21492-14712945-7312945-7322916(Top 79%)13356(Top 82%)13356(Top 882%)
24M24.00 mi1.00 mi21690-19813014-6913014-6924019(Top 83%)13838(Top 85%)13838(Top 914%)
40K24.85 mi0.85 mi21854-16413077-6313077-6324067(Top 83%)13815(Top 85%)13815(Top 912%)
25.2M25.20 mi0.35 mi21871-1713085-813085-822507(Top 78%)13076(Top 80%)13076(Top 864%)
FINISH26.22 mi1.02 mi21917-4613090-513090-523075(Top 80%)13344(Top 82%)13344(Top 881%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20236

Males

12434

M60-64

12434

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21605

Males

13068

M60-64

13068

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20236

Males

12434

M60-64

12434

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20753

Males

12648

M60-64

12648

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20978

Males

12792

M60-64

12792

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21154

Males

12822

M60-64

12822

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22269

Males

13280

M60-64

13280

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22204

Males

13164

M60-64

13164

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22149

Males

13101

M60-64

13101

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22253

Males

13087

M60-64

13087

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22916

Males

13356

M60-64

13356

23M→24M

23.0 - 24.0 mi

Top 83%
×6
+12ft-82ft

Overall

24019

Males

13838

M60-64

13838

24M→40K

24.0 - 24.9 mi

Top 83%
×1
+6ft-20ft

Overall

24067

Males

13815

M60-64

13815

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1
+13ft-16ft

Overall

22507

Males

13076

M60-64

13076

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23075

Males

13344

M60-64

13344

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1004*
Passed By
1988
Net Change
-1893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20024
5K → 10K61200-821#20024#20845
10K → 15K328*107+221#20845#20624
15K → 20K155183-28#20624#20652
20K → HALF2632-6#20652#20658
HALF → 25K90182-92#20658#20750
25K → 30K80200-335#20750#21085
30K → 20M70175-105#21085#21190
20M → 21M38139-101#21190#21291
21M → 35K3892-54#21291#21345
35K → 23M41188-147#21345#21492
23M → 24M14200-198#21492#21690
24M → 40K21185-164#21690#21854
40K → 25.2M1431-17#21854#21871
25.2M → FINISH2874-46#21871#21917
TOTALS1004*1988-1893

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing