Boston Marathon logo
BOSTON MARATHON 2025

Louis Pegon

Bib: 1912•M

KS

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
6:15/mi
19:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:00/mi
38:04
↑ 79↓ 1380.4%
15K· 9.32 mi
6:03/mi
56:51
↑ 67↓ 78
20K· 12.43 mi
6:06/mi
1:15:47
↑ 106↓ 860.1%
Half· 13.11 mi
6:01/mi
1:19:53
↑ 19↓ 370.5%
25K· 15.53 mi
6:05/mi
1:34:37
↑ 66↓ 880.2%
30K· 18.64 mi
6:21/mi
1:54:21
↑ 181↓ 1480.2%
20M
6:19/mi
2:02:56
↑ 64↓ 500.2%
21M
6:36/mi
2:09:32
↑ 106↓ 241.6%
35K· 21.75 mi
6:05/mi
2:14:05
↑ 17↓ 861.7%
23M
6:12/mi
2:21:51
↑ 23↓ 630.6%
24M
5:51/mi
2:27:42
↓ 821.3%
40K· 24.85 mi
5:56/mi
2:32:46
↓ 200.3%
25.2M
6:23/mi
2:34:58
↑ 13↓ 160.2%
Finish· 26.22 mi
5:44/mi
2:40:49
↑ 22↓ 21

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
Time1:19:53
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:20:56
Pace6:10 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1919:266:1519:26
6:15
-
10K
6.21 mi10:38:5738:046:0818:38
6:00
-0:15
15K
9.32 mi10:57:4456:516:0618:47
6:03
+0:03
20K
12.43 mi11:16:401:15:476:0618:56
6:06
+0:03
Half
13.11 mi11:20:461:19:536:064:06
6:01
-0:05
25K
15.53 mi11:35:301:34:376:0514:44
6:05
+0:04
30K
18.64 mi11:55:141:54:216:0819:44
6:21
+0:16
20M
20.00 mi12:03:492:02:566:098:35
6:19
-0:02
21M
21.00 mi12:10:252:09:326:106:36
6:36
+0:17
35K
21.75 mi12:14:582:14:056:104:33
6:05
-0:31
23M
23.00 mi12:22:442:21:516:107:46
6:12
+0:07
24M
24.00 mi12:28:352:27:426:095:51
5:51
-0:21
40K
24.85 mi12:33:392:32:466:095:04
5:56
+0:05
25.2M
25.20 mi12:35:512:34:586:092:12
6:23
+0:27
Finish
26.22 mi12:41:422:40:496:085:51
5:44
-0:39

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

5:44 /mi

Average Pace

6:08 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:42

77% of race

Time at Steady Pace

37:07

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:08 /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 mi10:20:1919:266:1519:26
6:15
#2153
10K
6.21 mi10:38:5738:046:0818:38
6:00
#1539
15K
9.32 mi10:57:4456:516:0618:47
6:03
#1393
20K
12.43 mi11:16:401:15:476:0618:56
6:06
#1312
Half
13.11 mi11:20:461:19:536:064:06
6:01
#1307
25K
15.53 mi11:35:301:34:376:0514:44
6:05
#1243
30K
18.64 mi11:55:141:54:216:0819:44
6:21
#1245
20M
20.00 mi12:03:492:02:566:098:35
6:19
#1215
21M
21.00 mi12:10:252:09:326:106:36
6:36
#1167
35K
21.75 mi12:14:582:14:056:104:33
6:05
#1144
23M
23.00 mi12:22:442:21:516:107:46
6:12
#1061
24M
24.00 mi12:28:352:27:426:095:51
5:51
#1000
40K
24.85 mi12:33:392:32:466:095:04
5:56
#956
25.2M
25.20 mi12:35:512:34:586:092:12
6:23
#928
Finish
26.22 mi12:41:422:40:496:085:51
5:44
#889
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2153205420541178(Top 4%)1116(Top 7%)1116(Top 20%)
10K6.21 mi3.10 mi1539+6141463+5911463+5911092(Top 4%)1030(Top 6%)1030(Top 18%)
15K9.32 mi3.11 mi1393+1461322+1411322+1411178(Top 4%)1116(Top 7%)1116(Top 20%)
20K12.43 mi3.11 mi1312+811243+791243+791152(Top 4%)1088(Top 7%)1088(Top 19%)
Half13.11 mi0.68 mi1307+51238+51238+51155(Top 4%)1092(Top 7%)1092(Top 19%)
25K15.53 mi2.42 mi1243+641176+621176+621012(Top 4%)955(Top 6%)955(Top 17%)
30K18.64 mi3.11 mi1245-2117611761362(Top 5%)1286(Top 8%)1286(Top 23%)
20M20.00 mi1.36 mi1215+301147+291147+29994(Top 3%)937(Top 6%)937(Top 17%)
21M21.00 mi1.00 mi1167+481100+471100+47903(Top 3%)853(Top 5%)853(Top 15%)
35K21.75 mi0.75 mi1144+231077+231077+23906(Top 3%)851(Top 5%)851(Top 15%)
23M23.00 mi1.25 mi1061+83999+78999+78681(Top 2%)642(Top 4%)642(Top 11%)
24M24.00 mi1.00 mi1000+61942+57942+57332(Top 1%)308(Top 2%)308(Top 5%)
40K24.85 mi0.85 mi956+44899+43899+43322(Top 1%)297(Top 2%)297(Top 5%)
25.2M25.20 mi0.35 mi928+28871+28871+28320(Top 1%)298(Top 2%)298(Top 5%)
Finish26.22 mi1.02 mi889+39832+39832+39424(Top 1%)398(Top 2%)398(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1178

Males

1116

M18-39

1116

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1092

Males

1030

M18-39

1030

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1178

Males

1116

M18-39

1116

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1152

Males

1088

M18-39

1088

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1155

Males

1092

M18-39

1092

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1012

Males

955

M18-39

955

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1362

Males

1286

M18-39

1286

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

994

Males

937

M18-39

937

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

903

Males

853

M18-39

853

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

906

Males

851

M18-39

851

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

681

Males

642

M18-39

642

23M→24M

23.0 - 24.0 mi

Top 1%
×6story building
+12ft-82ft

Overall

332

Males

308

M18-39

308

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

322

Males

297

M18-39

297

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

320

Males

298

M18-39

298

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

424

Males

398

M18-39

398

Passing Analysis

Category:
Athletes Passed
1397
Passed By
133
Net Change
+1264
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2153
5K → 10K6162+614#2153#1539
10K → 15K1526+146#1539#1393
15K → 20K9514+81#1393#1312
20K → Half138+5#1312#1307
Half → 25K7511+64#1307#1243
25K → 30K5254-2#1243#1245
30K → 20M4919+30#1245#1215
20M → 21M513+48#1215#1167
21M → 35K329+23#1167#1144
35K → 23M907+83#1144#1061
23M → 24M610+61#1061#1000
24M → 40K440+44#1000#956
40K → 25.2M280+28#956#928
25.2M → Finish390+39#928#889
TOTALS1397133+1264
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing