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BOSTON MARATHON 2025

Nicholas Koeniger

Bib: 25883•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:05
Rank: #22578
Start → 5K
28:05 | 9:02/mi
10K· 6.21 mi
55:30
Rank: #22112 (+466)
5K → 10K
27:25 | 8:49/mi
15K· 9.32 mi
1:22:21
Rank: #21463 (+649)
10K → 15K
26:51 | 8:39/mi
20K· 12.43 mi
1:49:26
Rank: #20956 (+507)
15K → 20K
27:05 | 8:43/mi
Half· 13.11 mi
1:55:18
Rank: #20903 (+53)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:16:27
Rank: #20538 (+365)
Half → 25K
21:09 | 8:43/mi
30K· 18.64 mi
2:46:38
Rank: #20569 (-31)
25K → 30K
30:11 | 9:43/mi
20M
2:59:09
Rank: #20360 (+209)
30K → 20M
12:31 | 9:13/mi
21M
3:08:52
Rank: #20165 (+195)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:15:53
Rank: #20167 (-2)
21M → 35K
7:01 | 9:23/mi
23M
3:27:21
Rank: #19994 (+173)
35K → 23M
11:28 | 9:09/mi
24M
3:36:35
Rank: #19921 (+73)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:44:20
Rank: #19800 (+121)
24M → 40K
7:45 | 9:04/mi
25.2M
3:47:45
Rank: #19759 (+41)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:56:26
Rank: #19644 (+115)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:18
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:01:08
Pace9:14 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3828:059:0228:05
9:02
-
10K
6.21 mi12:11:0355:308:5627:25
8:49
-0:13
15K
9.32 mi12:37:541:22:218:5026:51
8:39
-0:10
20K
12.43 mi13:04:591:49:268:4827:05
8:43
+0:04
Half
13.11 mi13:10:511:55:188:485:52
8:36
-0:07
25K
15.53 mi13:32:002:16:278:4721:09
8:43
+0:07
30K
18.64 mi14:02:112:46:388:5630:11
9:43
+1:00
20M
20.00 mi14:14:422:59:098:5712:31
9:13
-0:30
21M
21.00 mi14:24:253:08:529:009:43
9:43
+0:30
35K
21.75 mi14:31:263:15:539:007:01
9:23
-0:20
23M
23.00 mi14:42:543:27:219:0111:28
9:09
-0:14
24M
24.00 mi14:52:083:36:359:019:14
9:14
+0:05
40K
24.85 mi14:59:533:44:209:027:45
9:04
-0:10
25.2M
25.20 mi15:03:183:47:459:023:25
9:54
+0:50
Finish
26.22 mi15:11:593:56:269:018:41
8:31
-1:23

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

8:31 /mi

Average Pace

9:01 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:06

79% of race

Time at Steady Pace

50:20

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:43:3828:059:0228:05
9:02
#22578
10K
6.21 mi12:11:0355:308:5627:25
8:49
#22112
15K
9.32 mi12:37:541:22:218:5026:51
8:39
#21463
20K
12.43 mi13:04:591:49:268:4827:05
8:43
#20956
Half
13.11 mi13:10:511:55:188:485:52
8:36
#20903
25K
15.53 mi13:32:002:16:278:4721:09
8:43
#20538
30K
18.64 mi14:02:112:46:388:5630:11
9:43
#20569
20M
20.00 mi14:14:422:59:098:5712:31
9:13
#20360
21M
21.00 mi14:24:253:08:529:009:43
9:43
#20165
35K
21.75 mi14:31:263:15:539:007:01
9:23
#20167
23M
23.00 mi14:42:543:27:219:0111:28
9:09
#19994
24M
24.00 mi14:52:083:36:359:019:14
9:14
#19921
40K
24.85 mi14:59:533:44:209:027:45
9:04
#19800
25.2M
25.20 mi15:03:183:47:459:023:25
9:54
#19759
Finish
26.22 mi15:11:593:56:269:018:41
8:31
#19644
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22578135651356520157(Top 71%)12579(Top 78%)12579(Top 223%)
10K6.21 mi3.10 mi22112+46613374+19113374+19121506(Top 76%)13133(Top 82%)13133(Top 233%)
15K9.32 mi3.11 mi21463+64913122+25213122+25220157(Top 71%)12579(Top 78%)12579(Top 223%)
20K12.43 mi3.11 mi20956+50712889+23312889+23319488(Top 69%)12239(Top 76%)12239(Top 217%)
Half13.11 mi0.68 mi20903+5312866+2312866+2319784(Top 70%)12377(Top 77%)12377(Top 219%)
25K15.53 mi2.42 mi20538+36512689+17712689+17718530(Top 65%)11760(Top 73%)11760(Top 208%)
30K18.64 mi3.11 mi20569-3112660+2912660+2920732(Top 73%)12606(Top 78%)12606(Top 223%)
20M20.00 mi1.36 mi20360+20912550+11012550+11017823(Top 63%)11173(Top 69%)11173(Top 198%)
21M21.00 mi1.00 mi20165+19512435+11512435+11517104(Top 60%)10749(Top 67%)10749(Top 191%)
35K21.75 mi0.75 mi20167-212425+1012425+1019864(Top 70%)11905(Top 74%)11905(Top 211%)
23M23.00 mi1.25 mi19994+17312325+10012325+10017140(Top 60%)10575(Top 66%)10575(Top 187%)
24M24.00 mi1.00 mi19921+7312263+6212263+6218498(Top 65%)11162(Top 69%)11162(Top 198%)
40K24.85 mi0.85 mi19800+12112190+7312190+7316682(Top 59%)10234(Top 64%)10234(Top 181%)
25.2M25.20 mi0.35 mi19759+4112174+1612174+1616587(Top 58%)10180(Top 63%)10180(Top 180%)
Finish26.22 mi1.02 mi19644+11512101+7312101+7316343(Top 58%)10092(Top 63%)10092(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20157

Males

12579

M18-39

12579

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21506

Males

13133

M18-39

13133

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20157

Males

12579

M18-39

12579

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19488

Males

12239

M18-39

12239

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19784

Males

12377

M18-39

12377

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18530

Males

11760

M18-39

11760

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20732

Males

12606

M18-39

12606

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17823

Males

11173

M18-39

11173

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17104

Males

10749

M18-39

10749

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19864

Males

11905

M18-39

11905

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17140

Males

10575

M18-39

10575

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18498

Males

11162

M18-39

11162

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16682

Males

10234

M18-39

10234

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16587

Males

10180

M18-39

10180

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16343

Males

10092

M18-39

10092

Passing Analysis

Category:
Athletes Passed
3486
Passed By
552
Net Change
+2934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22578
5K → 10K55892+466#22578#22112
10K → 15K66213+649#22112#21463
15K → 20K52316+507#21463#20956
20K → Half6613+53#20956#20903
Half → 25K38015+365#20903#20538
25K → 30K218249-31#20538#20569
30K → 20M22213+209#20569#20360
20M → 21M21116+195#20360#20165
21M → 35K5658-2#20165#20167
35K → 23M18411+173#20167#19994
23M → 24M9926+73#19994#19921
24M → 40K1287+121#19921#19800
40K → 25.2M509+41#19800#19759
25.2M → Finish12914+115#19759#19644
TOTALS3486552+2934
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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