Boston Marathon logo
BOSTON MARATHON 2025

Nicholas Holowka

Bib: 2972•M

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:23
Rank: #2079
Start → 5K
19:23 | 6:14/mi
10K· 6.21 mi
38:46
Rank: #2070 (+9)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:01
Rank: #1966 (+104)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:17:24
Rank: #1887 (+79)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:21:39
Rank: #1903 (-16)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:36:49
Rank: #1848 (+55)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:56:28
Rank: #1703 (+145)
25K → 30K
19:39 | 6:19/mi
20M
2:05:09
Rank: #1640 (+63)
30K → 20M
8:41 | 6:23/mi
21M
2:11:56
Rank: #1599 (+41)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:16:42
Rank: #1594 (+5)
21M → 35K
4:46 | 6:22/mi
23M
2:25:38
Rank: #1696 (-102)
35K → 23M
8:56 | 7:08/mi
24M
2:32:37
Rank: #1782 (-86)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:39:06
Rank: #1919 (-137)
24M → 40K
6:29 | 7:35/mi
25.2M
2:42:02
Rank: #1995 (-76)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
2:49:00
Rank: #2078 (-83)
25.2M → Finish
6:58 | 6:50/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:39
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:27:21
Pace6:40 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0319:236:1419:23
6:14
-
10K
6.21 mi10:40:2638:466:1419:23
6:14
0:00
15K
9.32 mi10:59:4158:016:1319:15
6:12
-0:02
20K
12.43 mi11:19:041:17:246:1419:23
6:14
+0:02
Half
13.11 mi11:23:191:21:396:144:15
6:14
0:00
25K
15.53 mi11:38:291:36:496:1415:10
6:15
+0:01
30K
18.64 mi11:58:081:56:286:1519:39
6:19
+0:04
20M
20.00 mi12:06:492:05:096:158:41
6:23
+0:04
21M
21.00 mi12:13:362:11:566:176:47
6:47
+0:24
35K
21.75 mi12:18:222:16:426:174:46
6:22
-0:25
23M
23.00 mi12:27:182:25:386:208:56
7:08
+0:46
24M
24.00 mi12:34:172:32:376:226:59
6:59
-0:09
40K
24.85 mi12:40:462:39:066:246:29
7:35
+0:36
25.2M
25.20 mi12:43:422:42:026:262:56
8:30
+0:55
Finish
26.22 mi12:50:402:49:006:276:58
6:50
-1:40

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

6:12 /mi

Average Pace

6:27 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:09:55

77% of race

Time at Slower Pace

39:05

23% of race

Average Pace: 6:27 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:0319:236:1419:23
6:14
#2079
10K
6.21 mi10:40:2638:466:1419:23
6:14
#2070
15K
9.32 mi10:59:4158:016:1319:15
6:12
#1966
20K
12.43 mi11:19:041:17:246:1419:23
6:14
#1887
Half
13.11 mi11:23:191:21:396:144:15
6:14
#1903
25K
15.53 mi11:38:291:36:496:1415:10
6:15
#1848
30K
18.64 mi11:58:081:56:286:1519:39
6:19
#1703
20M
20.00 mi12:06:492:05:096:158:41
6:23
#1640
21M
21.00 mi12:13:362:11:566:176:47
6:47
#1599
35K
21.75 mi12:18:222:16:426:174:46
6:22
#1594
23M
23.00 mi12:27:182:25:386:208:56
7:08
#1696
24M
24.00 mi12:34:172:32:376:226:59
6:59
#1782
40K
24.85 mi12:40:462:39:066:246:29
7:35
#1919
25.2M
25.20 mi12:43:422:42:026:262:56
8:30
#1995
Finish
26.22 mi12:50:402:49:006:276:58
6:50
#2078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2079198119811840(Top 6%)1751(Top 11%)1751(Top 31%)
10K6.21 mi3.10 mi2070+91975+61975+62083(Top 7%)1986(Top 12%)1986(Top 35%)
15K9.32 mi3.11 mi1966+1041871+1041871+1041840(Top 6%)1751(Top 11%)1751(Top 31%)
20K12.43 mi3.11 mi1887+791798+731798+731740(Top 6%)1654(Top 10%)1654(Top 29%)
Half13.11 mi0.68 mi1903-161814-161814-162105(Top 7%)2009(Top 12%)2009(Top 36%)
25K15.53 mi2.42 mi1848+551759+551759+551669(Top 6%)1586(Top 10%)1586(Top 28%)
30K18.64 mi3.11 mi1703+1451619+1401619+1401288(Top 5%)1216(Top 8%)1216(Top 22%)
20M20.00 mi1.36 mi1640+631555+641555+641220(Top 4%)1151(Top 7%)1151(Top 20%)
21M21.00 mi1.00 mi1599+411516+391516+391469(Top 5%)1385(Top 9%)1385(Top 25%)
35K21.75 mi0.75 mi1594+51510+61510+61883(Top 7%)1767(Top 11%)1767(Top 31%)
23M23.00 mi1.25 mi1696-1021606-961606-964495(Top 16%)3946(Top 25%)3946(Top 70%)
24M24.00 mi1.00 mi1782-861687-811687-814490(Top 16%)3883(Top 24%)3883(Top 69%)
40K24.85 mi0.85 mi1919-1371819-1321819-1327246(Top 26%)5552(Top 34%)5552(Top 98%)
25.2M25.20 mi0.35 mi1995-761893-741893-748704(Top 31%)6263(Top 39%)6263(Top 111%)
Finish26.22 mi1.02 mi2078-831971-781971-784672(Top 16%)3896(Top 24%)3896(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1840

Males

1751

M18-39

1751

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2083

Males

1986

M18-39

1986

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1840

Males

1751

M18-39

1751

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1740

Males

1654

M18-39

1654

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2105

Males

2009

M18-39

2009

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1669

Males

1586

M18-39

1586

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1288

Males

1216

M18-39

1216

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1220

Males

1151

M18-39

1151

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1469

Males

1385

M18-39

1385

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1883

Males

1767

M18-39

1767

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4495

Males

3946

M18-39

3946

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4490

Males

3883

M18-39

3883

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7246

Males

5552

M18-39

5552

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8704

Males

6263

M18-39

6263

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4672

Males

3896

M18-39

3896

Passing Analysis

Category:
Athletes Passed
778
Passed By
777
Net Change
+1
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2079
5K → 10K120111+9#2079#2070
10K → 15K12319+104#2070#1966
15K → 20K10425+79#1966#1887
20K → Half319-16#1887#1903
Half → 25K6712+55#1903#1848
25K → 30K15510+145#1848#1703
30K → 20M7310+63#1703#1640
20M → 21M5312+41#1640#1599
21M → 35K2924+5#1599#1594
35K → 23M20122-102#1594#1696
23M → 24M15101-86#1696#1782
24M → 40K6143-137#1782#1919
40K → 25.2M177-76#1919#1995
25.2M → Finish992-83#1995#2078
TOTALS778777+1
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing