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BOSTON MARATHON 2025

Nick Kovaleski

Bib: 5970•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #5433
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:18
Rank: #4890 (+543)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:18
Rank: #4228 (+662)
10K → 15K
20:00 | 6:26/mi
20K· 12.43 mi
1:21:16
Rank: #3758 (+470)
15K → 20K
19:58 | 6:26/mi
Half· 13.11 mi
1:25:38
Rank: #3723 (+35)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:41:11
Rank: #3469 (+254)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
2:01:39
Rank: #3190 (+279)
25K → 30K
20:28 | 6:35/mi
20M
2:10:33
Rank: #3028 (+162)
30K → 20M
8:54 | 6:33/mi
21M
2:17:41
Rank: #2986 (+42)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:22:52
Rank: #3014 (-28)
21M → 35K
5:11 | 6:56/mi
23M
2:33:53
Rank: #3621 (-607)
35K → 23M
11:01 | 8:48/mi
24M
2:41:05
Rank: #3698 (-77)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:49:05
Rank: #4235 (-537)
24M → 40K
8:00 | 9:21/mi
25.2M
2:52:06
Rank: #4345 (-110)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
2:58:38
Rank: #4222 (+123)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:38
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4320:496:4220:49
6:42
-
10K
6.21 mi10:46:1241:186:3920:29
6:36
-0:06
15K
9.32 mi11:06:121:01:186:3520:00
6:26
-0:10
20K
12.43 mi11:26:101:21:166:3219:58
6:26
0:00
Half
13.11 mi11:30:321:25:386:324:22
6:24
-0:02
25K
15.53 mi11:46:051:41:116:3115:33
6:25
+0:01
30K
18.64 mi12:06:332:01:396:3220:28
6:35
+0:10
20M
20.00 mi12:15:272:10:336:328:54
6:33
-0:02
21M
21.00 mi12:22:352:17:416:337:08
7:08
+0:35
35K
21.75 mi12:27:462:22:526:345:11
6:56
-0:12
23M
23.00 mi12:38:472:33:536:4111:01
8:48
+1:52
24M
24.00 mi12:45:592:41:056:437:12
7:12
-1:36
40K
24.85 mi12:53:592:49:056:488:00
9:21
+2:09
25.2M
25.20 mi12:57:002:52:066:503:01
8:45
-0:36
Finish
26.22 mi13:03:322:58:386:496:32
6:25
-2:20

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

6:24 /mi

Average Pace

6:49 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:22:16

80% of race

Time at Slower Pace

36:22

20% of race

Average Pace: 6:49 /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 mi10:25:4320:496:4220:49
6:42
#5433
10K
6.21 mi10:46:1241:186:3920:29
6:36
#4890
15K
9.32 mi11:06:121:01:186:3520:00
6:26
#4228
20K
12.43 mi11:26:101:21:166:3219:58
6:26
#3758
Half
13.11 mi11:30:321:25:386:324:22
6:24
#3723
25K
15.53 mi11:46:051:41:116:3115:33
6:25
#3469
30K
18.64 mi12:06:332:01:396:3220:28
6:35
#3190
20M
20.00 mi12:15:272:10:336:328:54
6:33
#3028
21M
21.00 mi12:22:352:17:416:337:08
7:08
#2986
35K
21.75 mi12:27:462:22:526:345:11
6:56
#3014
23M
23.00 mi12:38:472:33:536:4111:01
8:48
#3621
24M
24.00 mi12:45:592:41:056:437:12
7:12
#3698
40K
24.85 mi12:53:592:49:056:488:00
9:21
#4235
25.2M
25.20 mi12:57:002:52:066:503:01
8:45
#4345
Finish
26.22 mi13:03:322:58:386:496:32
6:25
#4222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5433504350433168(Top 11%)3014(Top 19%)3014(Top 53%)
10K6.21 mi3.10 mi4890+5434563+4804563+4804415(Top 16%)4140(Top 26%)4140(Top 73%)
15K9.32 mi3.11 mi4228+6623978+5853978+5853168(Top 11%)3014(Top 19%)3014(Top 53%)
20K12.43 mi3.11 mi3758+4703547+4313547+4312667(Top 9%)2537(Top 16%)2537(Top 45%)
Half13.11 mi0.68 mi3723+353516+313516+313054(Top 11%)2915(Top 18%)2915(Top 52%)
25K15.53 mi2.42 mi3469+2543289+2273289+2272440(Top 9%)2320(Top 14%)2320(Top 41%)
30K18.64 mi3.11 mi3190+2793030+2593030+2592364(Top 8%)2241(Top 14%)2241(Top 40%)
20M20.00 mi1.36 mi3028+1622876+1542876+1541818(Top 6%)1722(Top 11%)1722(Top 31%)
21M21.00 mi1.00 mi2986+422833+432833+432828(Top 10%)2622(Top 16%)2622(Top 46%)
35K21.75 mi0.75 mi3014-282853-202853-204875(Top 17%)4287(Top 27%)4287(Top 76%)
23M23.00 mi1.25 mi3621-6073401-5483401-54815076(Top 53%)9651(Top 60%)9651(Top 171%)
24M24.00 mi1.00 mi3698-773455-543455-545790(Top 20%)4778(Top 30%)4778(Top 85%)
40K24.85 mi0.85 mi4235-5373911-4563911-45618061(Top 64%)10850(Top 67%)10850(Top 192%)
25.2M25.20 mi0.35 mi4345-1104002-914002-9110168(Top 36%)6992(Top 43%)6992(Top 124%)
Finish26.22 mi1.02 mi4222+1233888+1143888+1142361(Top 8%)2153(Top 13%)2153(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3168

Males

3014

M18-39

3014

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4415

Males

4140

M18-39

4140

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3168

Males

3014

M18-39

3014

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2667

Males

2537

M18-39

2537

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3054

Males

2915

M18-39

2915

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2440

Males

2320

M18-39

2320

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2364

Males

2241

M18-39

2241

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1818

Males

1722

M18-39

1722

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2828

Males

2622

M18-39

2622

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4875

Males

4287

M18-39

4287

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15076

Males

9651

M18-39

9651

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5790

Males

4778

M18-39

4778

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18061

Males

10850

M18-39

10850

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10168

Males

6992

M18-39

6992

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2361

Males

2153

M18-39

2153

Passing Analysis

Category:
Athletes Passed
2721
Passed By
1510
Net Change
+1211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5433
5K → 10K57431+543#5433#4890
10K → 15K6620+662#4890#4228
15K → 20K4744+470#4228#3758
20K → Half383+35#3758#3723
Half → 25K2562+254#3723#3469
25K → 30K28910+279#3469#3190
30K → 20M1653+162#3190#3028
20M → 21M6220+42#3028#2986
21M → 35K2654-28#2986#3014
35K → 23M7614-607#3014#3621
23M → 24M29106-77#3621#3698
24M → 40K2539-537#3698#4235
40K → 25.2M6116-110#4235#4345
25.2M → Finish1318+123#4345#4222
TOTALS27211510+1211
📊

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