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BOSTON MARATHON 2023

Niklas Jordow

Bib: 26857•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:10/mi
28:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
56:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:24:31
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:52:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:58:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:21:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:26/mi
2:50:33
↑ 181↓ 1480.2%
20M
9:56/mi
3:04:03
↑ 64↓ 500.2%
21M
9:40/mi
3:13:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:17/mi
3:20:40
↑ 17↓ 861.7%
23M
9:47/mi
3:32:55
↑ 23↓ 630.6%
24M
9:38/mi
3:42:33
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:51:08
↓ 200.3%
25.2M
10:38/mi
3:54:48
↑ 13↓ 160.2%
Finish· 26.22 mi
11:26/mi
4:06:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:32
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:07:55
Pace9:45 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5528:299:1028:29
9:10
-
10K
6.21 mi12:12:4356:179:0327:48
8:57
-0:13
15K
9.32 mi12:40:571:24:319:0428:14
9:05
+0:08
20K
12.43 mi13:08:521:52:269:0327:55
8:59
-0:06
Half
13.11 mi13:14:581:58:329:026:06
8:56
-0:03
25K
15.53 mi13:37:392:21:139:0522:41
9:21
+0:25
30K
18.64 mi14:06:592:50:339:0929:20
9:26
+0:05
20M
20.00 mi14:20:293:04:039:1213:30
9:56
+0:30
21M
21.00 mi14:30:093:13:439:139:40
9:40
-0:16
35K
21.75 mi14:37:063:20:409:146:57
9:17
-0:23
23M
23.00 mi14:49:213:32:559:1512:15
9:47
+0:30
24M
24.00 mi14:58:593:42:339:169:38
9:38
-0:09
40K
24.85 mi15:07:343:51:089:188:35
10:02
+0:24
25.2M
25.20 mi15:11:143:54:489:193:40
10:38
+0:36
Finish
26.22 mi15:22:534:06:279:2411:39
11:26
+0:48

Checkpoints & Pacing

📈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

8:56 /mi

Average Pace

9:24 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:03

37% of race

Time at Steady Pace

1:46:45

43% of race

Time at Slower Pace

49:39

20% of race

Average Pace: 9:24 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:44:5528:299:1028:29
9:10
#21108
10K
6.21 mi12:12:4356:179:0327:48
8:57
#20887
15K
9.32 mi12:40:571:24:319:0428:14
9:05
#20882
20K
12.43 mi13:08:521:52:269:0327:55
8:59
#20565
Half
13.11 mi13:14:581:58:329:026:06
8:56
#20539
25K
15.53 mi13:37:392:21:139:0522:41
9:21
#20515
30K
18.64 mi14:06:592:50:339:0929:20
9:26
#20272
20M
20.00 mi14:20:293:04:039:1213:30
9:56
#20256
21M
21.00 mi14:30:093:13:439:139:40
9:40
#20050
35K
21.75 mi14:37:063:20:409:146:57
9:17
#20010
23M
23.00 mi14:49:213:32:559:1512:15
9:47
#19971
24M
24.00 mi14:58:593:42:339:169:38
9:38
#19968
40K
24.85 mi15:07:343:51:089:188:35
10:02
#19978
25.2M
25.20 mi15:11:143:54:489:193:40
10:38
#19973
Finish
26.22 mi15:22:534:06:279:2411:39
11:26
#20209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21108126601266020893(Top 78%)12690(Top 84%)12690(Top 618%)
10K6.21 mi3.10 mi20887+22112609+5112609+5120670(Top 78%)12573(Top 83%)12573(Top 613%)
15K9.32 mi3.11 mi20882+512642-3312642-3320893(Top 78%)12690(Top 84%)12690(Top 618%)
20K12.43 mi3.11 mi20565+31712512+13012512+13019619(Top 74%)12151(Top 80%)12151(Top 592%)
Half13.11 mi0.68 mi20539+2612504+812504+820148(Top 76%)12375(Top 82%)12375(Top 603%)
25K15.53 mi2.42 mi20515+2412501+312501+320365(Top 76%)12432(Top 82%)12432(Top 606%)
30K18.64 mi3.11 mi20272+24312367+13412367+13419219(Top 72%)11885(Top 78%)11885(Top 579%)
20M20.00 mi1.36 mi20256+1612346+2112346+2120274(Top 76%)12241(Top 81%)12241(Top 597%)
21M21.00 mi1.00 mi20050+20612255+9112255+9116706(Top 63%)10676(Top 70%)10676(Top 520%)
35K21.75 mi0.75 mi20010+4012231+2412231+2419103(Top 72%)11642(Top 77%)11642(Top 567%)
23M23.00 mi1.25 mi19971+3912201+3012201+3019382(Top 73%)11740(Top 77%)11740(Top 572%)
24M24.00 mi1.00 mi19968+312194+712194+719679(Top 74%)11859(Top 78%)11859(Top 578%)
40K24.85 mi0.85 mi19978-1012184+1012184+1020067(Top 75%)11951(Top 79%)11951(Top 582%)
25.2M25.20 mi0.35 mi19973+512180+412180+419482(Top 73%)11690(Top 77%)11690(Top 570%)
Finish26.22 mi1.02 mi20209-23612266-8612266-8624595(Top 92%)14116(Top 93%)14116(Top 688%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20893

Males

12690

M50-54

12690

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20670

Males

12573

M50-54

12573

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20893

Males

12690

M50-54

12690

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19619

Males

12151

M50-54

12151

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20148

Males

12375

M50-54

12375

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20365

Males

12432

M50-54

12432

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19219

Males

11885

M50-54

11885

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20274

Males

12241

M50-54

12241

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16706

Males

10676

M50-54

10676

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19103

Males

11642

M50-54

11642

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19382

Males

11740

M50-54

11740

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19679

Males

11859

M50-54

11859

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20067

Males

11951

M50-54

11951

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19482

Males

11690

M50-54

11690

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24595

Males

14116

M50-54

14116

Passing Analysis

Category:
Athletes Passed
1967
Passed By
1068
Net Change
+899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21108
5K → 10K409188+221#21108#20887
10K → 15K184179+5#20887#20882
15K → 20K35437+317#20882#20565
20K → Half4216+26#20565#20539
Half → 25K11793+24#20539#20515
25K → 30K28744+243#20515#20272
30K → 20M8771+16#20272#20256
20M → 21M2093+206#20256#20050
21M → 35K6121+40#20050#20010
35K → 23M8647+39#20010#19971
23M → 24M5754+3#19971#19968
24M → 40K4757-10#19968#19978
40K → 25.2M2520+5#19978#19973
25.2M → Finish2238-236#19973#20209
TOTALS19671068+899
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing