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BOSTON MARATHON 2026

Krzysztof Januszewski

Bib: 10229•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 35%
Gender (Male)
#0 / 16340
Top 48%
Masters (Masters Men)
#0 / 10617
Top 37%
Age Group (M50-54)
#0 / 1868
Top 38%
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
22:39
3.11 mi
Rank: #10943
Start → 5K
22:39 | 7:18/mi
10K
44:41
6.21 mi
Rank: #10113 (+830)
5K → 10K
22:02 | 7:06/mi
15K
1:06:14
9.32 mi
Rank: #9330 (+783)
10K → 15K
21:33 | 6:57/mi
20K
1:28:15
12.43 mi
Rank: #9105 (+225)
15K → 20K
22:01 | 7:06/mi
HALF
1:33:00
13.11 mi
Rank: #9063 (+42)
20K → HALF
4:45 | 6:59/mi
25K
1:50:39
15.53 mi
Rank: #9084 (-21)
HALF → 25K
17:39 | 7:17/mi
30K
2:14:22
18.64 mi
Rank: #9313 (-229)
25K → 30K
23:43 | 7:39/mi
20M
2:25:01
20.00 mi
Rank: #9463 (-150)
30K → 20M
10:39 | 7:51/mi
21M
2:33:37
21.00 mi
Rank: #9660 (-197)
20M → 21M
8:36 | 8:36/mi
35K
2:39:34
21.75 mi
Rank: #9797 (-137)
21M → 35K
5:57 | 7:58/mi
23M
2:49:24
23.00 mi
Rank: #9835 (-38)
35K → 23M
9:50 | 7:52/mi
24M
2:57:10
24.00 mi
Rank: #9938 (-103)
23M → 24M
7:46 | 7:46/mi
40K
3:04:06
24.85 mi
Rank: #10054 (-116)
24M → 40K
6:56 | 8:07/mi
25.2M
3:07:08
25.20 mi
Rank: #10099 (-45)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:15:13
26.22 mi
Rank: #10298 (-199)
25.2M → FINISH
8:05 | 7:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:1122:397:1822:39
7:18
-
10K
6.21 mi11:06:1344:417:1222:02
7:06
-0:12
15K
9.32 mi11:27:461:06:147:0721:33
6:57
-0:09
20K
12.43 mi11:49:471:28:157:0722:01
7:06
+0:09
HALF
13.11 mi11:54:321:33:007:064:45
6:59
-0:07
25K
15.53 mi12:12:111:50:397:0817:39
7:17
+0:18
30K
18.64 mi12:35:542:14:227:1323:43
7:39
+0:22
20M
20.00 mi12:46:332:25:017:1610:39
7:51
+0:12
21M
21.00 mi12:55:092:33:377:198:36
8:36
+0:45
35K
21.75 mi13:01:062:39:347:215:57
7:58
-0:38
23M
23.00 mi13:10:562:49:247:229:50
7:52
-0:06
24M
24.00 mi13:18:422:57:107:237:46
7:46
-0:06
40K
24.85 mi13:25:383:04:067:256:56
8:07
+0:21
25.2M
25.20 mi13:28:403:07:087:263:02
8:48
+0:41
FINISH
26.22 mi13:36:453:15:137:288:05
7:56
-0:52

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

6:57 /mi

Average Pace

7:27 /mi

Slowest Pace

8:48 /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

1:50:39

57% of race

Time at Steady Pace

1:06:00

34% of race

Time at Slower Pace

18:34

10% of race

Average Pace: 7:27 /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 mi10:44:1122:397:1822:39
7:18
#10943
10K
6.21 mi11:06:1344:417:1222:02
7:06
#10113
15K
9.32 mi11:27:461:06:147:0721:33
6:57
#9330
20K
12.43 mi11:49:471:28:157:0722:01
7:06
#9105
HALF
13.11 mi11:54:321:33:007:064:45
6:59
#9063
25K
15.53 mi12:12:111:50:397:0817:39
7:17
#9084
30K
18.64 mi12:35:542:14:227:1323:43
7:39
#9313
20M
20.00 mi12:46:332:25:017:1610:39
7:51
#9463
21M
21.00 mi12:55:092:33:377:198:36
8:36
#9660
35K
21.75 mi13:01:062:39:347:215:57
7:58
#9797
23M
23.00 mi13:10:562:49:247:229:50
7:52
#9835
24M
24.00 mi13:18:422:57:107:237:46
7:46
#9938
40K
24.85 mi13:25:383:04:067:256:56
8:07
#10054
25.2M
25.20 mi13:28:403:07:087:263:02
8:48
#10099
FINISH
26.22 mi13:36:453:15:137:288:05
7:56
#10298
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 mi10943856585658096(Top 28%)6925(Top 42%)6925(Top 371%)
10K6.21 mi3.10 mi10113+8308126+4398126+4399356(Top 32%)7710(Top 47%)7710(Top 413%)
15K9.32 mi3.11 mi9330+7837703+4237703+4238096(Top 28%)6925(Top 42%)6925(Top 371%)
20K12.43 mi3.11 mi9105+2257552+1517552+1518483(Top 29%)7121(Top 44%)7121(Top 381%)
HALF13.11 mi0.68 mi9063+427533+197533+198450(Top 29%)7149(Top 44%)7149(Top 383%)
25K15.53 mi2.42 mi9084-217516+177516+179516(Top 33%)7598(Top 46%)7598(Top 407%)
30K18.64 mi3.11 mi9313-2297590-747590-7410693(Top 37%)8050(Top 49%)8050(Top 431%)
20M20.00 mi1.36 mi9463-1507637-477637-4711614(Top 40%)8359(Top 51%)8359(Top 447%)
21M21.00 mi1.00 mi9660-1977710-737710-7313718(Top 47%)9228(Top 56%)9228(Top 494%)
35K21.75 mi0.75 mi9797-1377771-617771-6114090(Top 49%)9338(Top 57%)9338(Top 500%)
23M23.00 mi1.25 mi9835-387757+147757+1411404(Top 39%)8058(Top 49%)8058(Top 431%)
24M24.00 mi1.00 mi9938-1037778-217778-2111990(Top 41%)8239(Top 50%)8239(Top 441%)
40K24.85 mi0.85 mi10054-1167808-307808-3013152(Top 45%)8686(Top 53%)8686(Top 465%)
25.2M25.20 mi0.35 mi10099-457817-97817-913400(Top 46%)8763(Top 54%)8763(Top 469%)
FINISH26.22 mi1.02 mi10298-1997886-697886-6914682(Top 51%)9359(Top 57%)9359(Top 501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21
+97ft-345ft

Overall

8096

Males

6925

M50-54

6925

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9356

Males

7710

M50-54

7710

10K→15K

6.2 - 9.3 mi

Top 28%
×3
+67ft-78ft

Overall

8096

Males

6925

M50-54

6925

15K→20K

9.3 - 12.4 mi

Top 29%
×5
+106ft-86ft

Overall

8483

Males

7121

M50-54

7121

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8450

Males

7149

M50-54

7149

HALF→25K

13.1 - 15.5 mi

Top 33%
×4
+66ft-88ft

Overall

9516

Males

7598

M50-54

7598

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10693

Males

8050

M50-54

8050

30K→20M

18.6 - 20.0 mi

Top 40%
×5
+64ft-50ft

Overall

11614

Males

8359

M50-54

8359

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13718

Males

9228

M50-54

9228

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14090

Males

9338

M50-54

9338

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11404

Males

8058

M50-54

8058

23M→24M

23.0 - 24.0 mi

Top 41%
×6
+12ft-82ft

Overall

11990

Males

8239

M50-54

8239

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13152

Males

8686

M50-54

8686

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13400

Males

8763

M50-54

8763

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14682

Males

9359

M50-54

9359

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2521*
Passed By
1678
Net Change
+645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10943
5K → 10K852*22+830#10943#10113
10K → 15K790*7+783#10113#9330
15K → 20K261*36+225#9330#9105
20K → HALF508+42#9105#9063
HALF → 25K105126-21#9063#9084
25K → 30K103200-229#9084#9313
30K → 20M50200-150#9313#9463
20M → 21M37200-197#9463#9660
21M → 35K25162-137#9660#9797
35K → 23M100138-38#9797#9835
23M → 24M51153-103#9835#9938
24M → 40K44159-116#9938#10054
40K → 25.2M2367-45#10054#10099
25.2M → FINISH30200-199#10099#10298
TOTALS2521*1678+645

* 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