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BOSTON MARATHON 2026

Maciej Kolterniak

Bib: 5642β€’M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 8%
Gender (Male)
#0 / 16340
Top 14%
Masters (Masters Men)
#0 / 10617
Top 3%
Age Group (M45-49)
#0 / 2413
Top 4%
Race Day Weather
51Β°/41Β°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
19:48
3.11 mi
Rank: #3227
Start β†’ 5K
19:48 | 6:23/mi
10K
39:31
6.21 mi
Rank: #3165 (+62)
5K β†’ 10K
19:43 | 6:21/mi
15K
59:16
9.32 mi
Rank: #3178 (-13)
10K β†’ 15K
19:45 | 6:22/mi
20K
1:19:16
12.43 mi
Rank: #3222 (-44)
15K β†’ 20K
20:00 | 6:27/mi
HALF
1:23:37
13.11 mi
Rank: #3231 (-9)
20K β†’ HALF
4:21 | 6:23/mi
25K
1:39:09
15.53 mi
Rank: #3158 (+73)
HALF β†’ 25K
15:32 | 6:25/mi
30K
1:59:14
18.64 mi
Rank: #2986 (+172)
25K β†’ 30K
20:05 | 6:28/mi
20M
2:07:55
20.00 mi
Rank: #2871 (+115)
30K β†’ 20M
8:41 | 6:24/mi
21M
2:14:39
21.00 mi
Rank: #2789 (+82)
20M β†’ 21M
6:44 | 6:44/mi
35K
2:19:13
21.75 mi
Rank: #2723 (+66)
21M β†’ 35K
4:34 | 6:07/mi
23M
2:26:57
23.00 mi
Rank: #2586 (+137)
35K β†’ 23M
7:44 | 6:11/mi
24M
2:33:09
24.00 mi
Rank: #2503 (+83)
23M β†’ 24M
6:12 | 6:12/mi
40K
2:38:28
24.85 mi
Rank: #2411 (+92)
24M β†’ 40K
5:19 | 6:14/mi
25.2M
2:40:50
25.20 mi
Rank: #2397 (+14)
40K β†’ 25.2M
2:22 | 6:52/mi
FINISH
2:47:09
26.22 mi
Rank: #2375 (+22)
25.2M β†’ FINISH
6:19 | 6:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:23:37
Pace6:23 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:23:32
Pace6:23 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4219:486:2319:48
6:23
-
10K
6.21 mi10:43:2539:316:2219:43
6:21
-0:02
15K
9.32 mi11:03:1059:166:2219:45
6:22
+0:01
20K
12.43 mi11:23:101:19:166:2320:00
6:27
+0:05
HALF
13.11 mi11:27:311:23:376:234:21
6:23
-0:04
25K
15.53 mi11:43:031:39:096:2315:32
6:25
+0:02
30K
18.64 mi12:03:081:59:146:2420:05
6:28
+0:03
20M
20.00 mi12:11:492:07:556:248:41
6:24
-0:04
21M
21.00 mi12:18:332:14:396:256:44
6:44
+0:20
35K
21.75 mi12:23:072:19:136:254:34
6:07
-0:37
23M
23.00 mi12:30:512:26:576:247:44
6:11
+0:04
24M
24.00 mi12:37:032:33:096:236:12
6:12
+0:01
40K
24.85 mi12:42:222:38:286:235:19
6:14
+0:02
25.2M
25.20 mi12:44:442:40:506:232:22
6:52
+0:38
FINISH
26.22 mi12:51:032:47:096:236:19
6:12
-0:40

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:07 /mi

Average Pace

6:23 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:38:03

95% of race

Time at Steady Pace

9:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:23:4219:486:2319:48
6:23
#3227
10K
6.21 mi10:43:2539:316:2219:43
6:21
#3165
15K
9.32 mi11:03:1059:166:2219:45
6:22
#3178
20K
12.43 mi11:23:101:19:166:2320:00
6:27
#3222
HALF
13.11 mi11:27:311:23:376:234:21
6:23
#3231
25K
15.53 mi11:43:031:39:096:2315:32
6:25
#3158
30K
18.64 mi12:03:081:59:146:2420:05
6:28
#2986
20M
20.00 mi12:11:492:07:556:248:41
6:24
#2871
21M
21.00 mi12:18:332:14:396:256:44
6:44
#2789
35K
21.75 mi12:23:072:19:136:254:34
6:07
#2723
23M
23.00 mi12:30:512:26:576:247:44
6:11
#2586
24M
24.00 mi12:37:032:33:096:236:12
6:12
#2503
40K
24.85 mi12:42:222:38:286:235:19
6:14
#2411
25.2M
25.20 mi12:44:442:40:506:232:22
6:52
#2397
FINISH
26.22 mi12:51:032:47:096:236:19
6:12
#2375
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 mi3227308130813221(Top 11%)3080(Top 19%)3080(Top 128%)
10K6.21 mi3.10 mi3165+623031+503031+503146(Top 11%)3016(Top 18%)3016(Top 125%)
15K9.32 mi3.11 mi3178-133045-143045-143221(Top 11%)3080(Top 19%)3080(Top 128%)
20K12.43 mi3.11 mi3222-443087-423087-423347(Top 12%)3207(Top 20%)3207(Top 133%)
HALF13.11 mi0.68 mi3231-93096-93096-93523(Top 12%)3364(Top 21%)3364(Top 139%)
25K15.53 mi2.42 mi3158+733027+693027+692898(Top 10%)2782(Top 17%)2782(Top 115%)
30K18.64 mi3.11 mi2986+1722866+1612866+1612388(Top 8%)2288(Top 14%)2288(Top 95%)
20M20.00 mi1.36 mi2871+1152756+1102756+1101931(Top 7%)1846(Top 11%)1846(Top 77%)
21M21.00 mi1.00 mi2789+822677+792677+792163(Top 7%)2058(Top 13%)2058(Top 85%)
35K21.75 mi0.75 mi2723+662613+642613+641626(Top 6%)1557(Top 10%)1557(Top 65%)
23M23.00 mi1.25 mi2586+1372484+1292484+1291154(Top 4%)1109(Top 7%)1109(Top 46%)
24M24.00 mi1.00 mi2503+832405+792405+791762(Top 6%)1673(Top 10%)1673(Top 69%)
40K24.85 mi0.85 mi2411+922314+912314+911433(Top 5%)1355(Top 8%)1355(Top 56%)
25.2M25.20 mi0.35 mi2397+142301+132301+132081(Top 7%)1929(Top 12%)1929(Top 80%)
FINISH26.22 mi1.02 mi2375+222278+232278+232499(Top 9%)2273(Top 14%)2273(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
Γ—21
+97ft-345ft

Overall

3221

Males

3080

M45-49

3080

5K→10K

3.1 - 6.2 mi

Top 11%
Γ—5
+79ft-138ft

Overall

3146

Males

3016

M45-49

3016

10K→15K

6.2 - 9.3 mi

Top 11%
Γ—3
+67ft-78ft

Overall

3221

Males

3080

M45-49

3080

15K→20K

9.3 - 12.4 mi

Top 12%
Γ—5
+106ft-86ft

Overall

3347

Males

3207

M45-49

3207

20K→HALF

12.4 - 13.1 mi

Top 12%
Γ—2
+19ft-37ft

Overall

3523

Males

3364

M45-49

3364

HALF→25K

13.1 - 15.5 mi

Top 10%
Γ—4
+66ft-88ft

Overall

2898

Males

2782

M45-49

2782

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2388

Males

2288

M45-49

2288

30K→20M

18.6 - 20.0 mi

Top 7%
Γ—5
+64ft-50ft

Overall

1931

Males

1846

M45-49

1846

20M→21M

20.0 - 21.0 mi

Top 7%
Γ—8
+106ft-24ft

Overall

2163

Males

2058

M45-49

2058

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1626

Males

1557

M45-49

1557

35K→23M

21.8 - 23.0 mi

Top 4%
Γ—5
+23ft-63ft

Overall

1154

Males

1109

M45-49

1109

23M→24M

23.0 - 24.0 mi

Top 6%
Γ—6
+12ft-82ft

Overall

1762

Males

1673

M45-49

1673

24M→40K

24.0 - 24.9 mi

Top 5%
Γ—1
+6ft-20ft

Overall

1433

Males

1355

M45-49

1355

40K→25.2M

24.9 - 25.2 mi

Top 7%
Γ—1
+13ft-16ft

Overall

2081

Males

1929

M45-49

1929

25.2M→FINISH

25.2 - 26.2 mi

Top 9%
Γ—2
+22ft-21ft

Overall

2499

Males

2273

M45-49

2273

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1259
Passed By
407
Net Change
+852
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3227
5K β†’ 10K164102+62#3227#3165
10K β†’ 15K7891-13#3165#3178
15K β†’ 20K68112-44#3178#3222
20K β†’ HALF918-9#3222#3231
HALF β†’ 25K9926+73#3231#3158
25K β†’ 30K18614+172#3158#2986
30K β†’ 20M1183+115#2986#2871
20M β†’ 21M897+82#2871#2789
21M β†’ 35K671+66#2789#2723
35K β†’ 23M1370+137#2723#2586
23M β†’ 24M874+83#2586#2503
24M β†’ 40K942+92#2503#2411
40K β†’ 25.2M217+14#2411#2397
25.2M β†’ FINISH4220+22#2397#2375
TOTALS1259407+852
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing