Boston Marathon logo
BOSTON MARATHON 2025

Nicholas Aubert

Bib: 1522•M

MN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:54
Rank: #536
Start → 5K
5:46/mi
17:54 split
10K· 6.21 mi
35:54
Rank: #563 (-27)
5K → 10K
5:48/mi
18:00 split
15K· 9.32 mi
54:08
Rank: #589 (-26)
10K → 15K
5:52/mi
18:14 split
20K· 12.43 mi
1:12:53
Rank: #651 (-62)
15K → 20K
6:02/mi
18:45 split
Half· 13.11 mi
1:16:56
Rank: #662 (-11)
20K → Half
5:56/mi
4:03 split
25K· 15.53 mi
1:31:48
Rank: #720 (-58)
Half → 25K
6:08/mi
14:52 split
30K· 18.64 mi
1:51:50
Rank: #827 (-107)
25K → 30K
6:27/mi
20:02 split
20M
2:00:57
Rank: #882 (-55)
30K → 20M
6:43/mi
9:07 split
21M
2:08:39
Rank: #1014 (-132)
20M → 21M
7:42/mi
7:42 split
35K· 21.75 mi
2:13:23
Rank: #1020 (-6)
21M → 35K
6:20/mi
4:44 split
23M
2:22:06
Rank: #1105 (-85)
35K → 23M
6:58/mi
8:43 split
24M
2:28:57
Rank: #1168 (-63)
23M → 24M
6:51/mi
6:51 split
40K· 24.85 mi
2:35:05
Rank: #1246 (-78)
24M → 40K
7:10/mi
6:08 split
25.2M
2:37:51
Rank: #1294 (-48)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
2:44:12
Rank: #1279 (+15)
25.2M → Finish
6:14/mi
6:21 split

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
Time1:16:56
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:27:16
Pace6:39 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2917:545:4617:54
5:46
-
10K
6.21 mi10:36:2935:545:4718:00
5:48
+0:02
15K
9.32 mi10:54:4354:085:4818:14
5:52
+0:04
20K
12.43 mi11:13:281:12:535:5218:45
6:02
+0:10
Half
13.11 mi11:17:311:16:565:524:03
5:56
-0:06
25K
15.53 mi11:32:231:31:485:5514:52
6:08
+0:12
30K
18.64 mi11:52:251:51:506:0020:02
6:27
+0:19
20M
20.00 mi12:01:322:00:576:039:07
6:43
+0:16
21M
21.00 mi12:09:142:08:396:087:42
7:42
+0:59
35K
21.75 mi12:13:582:13:236:084:44
6:20
-1:22
23M
23.00 mi12:22:412:22:066:118:43
6:58
+0:38
24M
24.00 mi12:29:322:28:576:126:51
6:51
-0:07
40K
24.85 mi12:35:402:35:056:146:08
7:10
+0:19
25.2M
25.20 mi12:38:262:37:516:162:46
8:01
+0:51
Finish
26.22 mi12:44:472:44:126:166:21
6:14
-1:47

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

5:46 /mi

Average Pace

6:16 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:11

35% of race

Time at Steady Pace

1:04:44

39% of race

Time at Slower Pace

41:17

25% of race

Average Pace: 6:16 /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 mi10:18:2917:545:4617:54
5:46
#536
10K
6.21 mi10:36:2935:545:4718:00
5:48
#563
15K
9.32 mi10:54:4354:085:4818:14
5:52
#589
20K
12.43 mi11:13:281:12:535:5218:45
6:02
#651
Half
13.11 mi11:17:311:16:565:524:03
5:56
#662
25K
15.53 mi11:32:231:31:485:5514:52
6:08
#720
30K
18.64 mi11:52:251:51:506:0020:02
6:27
#827
20M
20.00 mi12:01:322:00:576:039:07
6:43
#882
21M
21.00 mi12:09:142:08:396:087:42
7:42
#1014
35K
21.75 mi12:13:582:13:236:084:44
6:20
#1020
23M
23.00 mi12:22:412:22:066:118:43
6:58
#1105
24M
24.00 mi12:29:322:28:576:126:51
6:51
#1168
40K
24.85 mi12:35:402:35:056:146:08
7:10
#1246
25.2M
25.20 mi12:38:262:37:516:162:46
8:01
#1294
Finish
26.22 mi12:44:472:44:126:166:21
6:14
#1279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi536498498687(Top 2%)641(Top 4%)641(Top 11%)
10K6.21 mi3.10 mi563-27525-27525-27601(Top 2%)562(Top 3%)562(Top 10%)
15K9.32 mi3.11 mi589-26546-21546-21687(Top 2%)641(Top 4%)641(Top 11%)
20K12.43 mi3.11 mi651-62604-58604-58969(Top 3%)913(Top 6%)913(Top 16%)
Half13.11 mi0.68 mi662-11615-11615-11953(Top 3%)903(Top 6%)903(Top 16%)
25K15.53 mi2.42 mi720-58672-57672-571211(Top 4%)1144(Top 7%)1144(Top 20%)
30K18.64 mi3.11 mi827-107777-105777-1051750(Top 6%)1661(Top 10%)1661(Top 29%)
20M20.00 mi1.36 mi882-55830-53830-532481(Top 9%)2335(Top 14%)2335(Top 41%)
21M21.00 mi1.00 mi1014-132954-124954-1245588(Top 20%)4781(Top 30%)4781(Top 85%)
35K21.75 mi0.75 mi1020-6961-7961-71691(Top 6%)1585(Top 10%)1585(Top 28%)
23M23.00 mi1.25 mi1105-851041-801041-803504(Top 12%)3174(Top 20%)3174(Top 56%)
24M24.00 mi1.00 mi1168-631102-611102-613749(Top 13%)3323(Top 21%)3323(Top 59%)
40K24.85 mi0.85 mi1246-781172-701172-704849(Top 17%)4093(Top 25%)4093(Top 73%)
25.2M25.20 mi0.35 mi1294-481218-461218-465936(Top 21%)4662(Top 29%)4662(Top 83%)
Finish26.22 mi1.02 mi1279+151204+141204+141609(Top 6%)1493(Top 9%)1493(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

687

Males

641

M18-39

641

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

601

Males

562

M18-39

562

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

687

Males

641

M18-39

641

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

969

Males

913

M18-39

913

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

953

Males

903

M18-39

903

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1211

Males

1144

M18-39

1144

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1750

Males

1661

M18-39

1661

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2481

Males

2335

M18-39

2335

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5588

Males

4781

M18-39

4781

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1691

Males

1585

M18-39

1585

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3504

Males

3174

M18-39

3174

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3749

Males

3323

M18-39

3323

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4849

Males

4093

M18-39

4093

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5936

Males

4662

M18-39

4662

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1609

Males

1493

M18-39

1493

Passing Analysis

Category:
Athletes Passed
135
Passed By
878
Net Change
-743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#536
5K → 10K1542-27#536#563
10K → 15K935-26#563#589
15K → 20K1072-62#589#651
20K → Half415-11#651#662
Half → 25K1068-58#662#720
25K → 30K11118-107#720#827
30K → 20M560-55#827#882
20M → 21M4136-132#882#1014
21M → 35K1319-6#1014#1020
35K → 23M17102-85#1020#1105
23M → 24M467-63#1105#1168
24M → 40K179-78#1168#1246
40K → 25.2M452-48#1246#1294
25.2M → Finish2813+15#1294#1279
TOTALS135878-743
📊

Passing Visuals

Category:
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