Boston Marathon logo
BOSTON MARATHON 2025

Robert Charboneau

Bib: 26052•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:21/mi
56:48
↑ 79↓ 1380.4%
15K· 9.32 mi
9:56/mi
1:27:40
↑ 67↓ 78
20K· 12.43 mi
10:18/mi
1:59:41
↑ 106↓ 860.1%
Half· 13.11 mi
10:04/mi
2:06:33
↑ 19↓ 370.5%
25K· 15.53 mi
10:54/mi
2:32:58
↑ 66↓ 880.2%
30K· 18.64 mi
11:25/mi
3:08:25
↑ 181↓ 1480.2%
20M
11:10/mi
3:23:35
↑ 64↓ 500.2%
21M
11:34/mi
3:35:09
↑ 106↓ 241.6%
35K· 21.75 mi
10:56/mi
3:43:20
↑ 17↓ 861.7%
23M
11:29/mi
3:57:43
↑ 23↓ 630.6%
24M
11:14/mi
4:08:57
↓ 821.3%
40K· 24.85 mi
12:02/mi
4:19:14
↓ 200.3%
25.2M
13:00/mi
4:23:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:24/mi
4:34:19
↑ 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
Time2:06:33
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:27:46
Pace11:16 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5327:468:5627:46
8:56
-
10K
6.21 mi12:11:5556:489:0829:02
9:21
+0:25
15K
9.32 mi12:42:471:27:409:2430:52
9:56
+0:35
20K
12.43 mi13:14:481:59:419:3832:01
10:18
+0:22
Half
13.11 mi13:21:402:06:339:396:52
10:04
-0:14
25K
15.53 mi13:48:052:32:589:5126:25
10:54
+0:50
30K
18.64 mi14:23:323:08:2510:0635:27
11:25
+0:31
20M
20.00 mi14:38:423:23:3510:1115:10
11:10
-0:15
21M
21.00 mi14:50:163:35:0910:1511:34
11:34
+0:24
35K
21.75 mi14:58:273:43:2010:168:11
10:56
-0:38
23M
23.00 mi15:12:503:57:4310:2014:23
11:29
+0:33
24M
24.00 mi15:24:044:08:5710:2211:14
11:14
-0:15
40K
24.85 mi15:34:214:19:1410:2610:17
12:02
+0:48
25.2M
25.20 mi15:38:504:23:4310:284:29
13:00
+0:58
Finish
26.22 mi15:49:264:34:1910:2810:36
10:24
-2:36

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

8:56 /mi

Average Pace

10:28 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:09

50% of race

Time at Steady Pace

1:36:27

35% of race

Time at Slower Pace

40:43

15% of race

Average Pace: 10:28 /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 mi11:42:5327:468:5627:46
8:56
#22156
10K
6.21 mi12:11:5556:489:0829:02
9:21
#22985
15K
9.32 mi12:42:471:27:409:2430:52
9:56
#23770
20K
12.43 mi13:14:481:59:419:3832:01
10:18
#24116
Half
13.11 mi13:21:402:06:339:396:52
10:04
#24168
25K
15.53 mi13:48:052:32:589:5126:25
10:54
#24367
30K
18.64 mi14:23:323:08:2510:0635:27
11:25
#24470
20M
20.00 mi14:38:423:23:3510:1115:10
11:10
#24445
21M
21.00 mi14:50:163:35:0910:1511:34
11:34
#24339
35K
21.75 mi14:58:273:43:2010:168:11
10:56
#24330
23M
23.00 mi15:12:503:57:4310:2014:23
11:29
#24329
24M
24.00 mi15:24:044:08:5710:2211:14
11:14
#24339
40K
24.85 mi15:34:214:19:1410:2610:17
12:02
#24393
25.2M
25.20 mi15:38:504:23:4310:284:29
13:00
#24410
Finish
26.22 mi15:49:264:34:1910:2810:36
10:24
#24389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22156133861338624866(Top 88%)14654(Top 91%)14654(Top 614%)
10K6.21 mi3.10 mi22985-82913781-39513781-39523667(Top 83%)14106(Top 88%)14106(Top 591%)
15K9.32 mi3.11 mi23770-78514152-37114152-37124866(Top 88%)14654(Top 91%)14654(Top 614%)
20K12.43 mi3.11 mi24116-34614298-14614298-14624836(Top 87%)14600(Top 91%)14600(Top 612%)
Half13.11 mi0.68 mi24168-5214318-2014318-2024935(Top 88%)14634(Top 91%)14634(Top 613%)
25K15.53 mi2.42 mi24367-19914389-7114389-7125049(Top 88%)14663(Top 91%)14663(Top 615%)
30K18.64 mi3.11 mi24470-10314423-3414423-3424717(Top 87%)14406(Top 89%)14406(Top 604%)
20M20.00 mi1.36 mi24445+2514399+2414399+2423904(Top 84%)13939(Top 87%)13939(Top 584%)
21M21.00 mi1.00 mi24339+10614323+7614323+7622748(Top 80%)13326(Top 83%)13326(Top 559%)
35K21.75 mi0.75 mi24330+914315+814315+824076(Top 85%)13914(Top 86%)13914(Top 583%)
23M23.00 mi1.25 mi24329+114303+1214303+1224225(Top 85%)13955(Top 87%)13955(Top 585%)
24M24.00 mi1.00 mi24339-1014295+814295+824450(Top 86%)14041(Top 87%)14041(Top 588%)
40K24.85 mi0.85 mi24393-5414317-2214317-2224965(Top 88%)14245(Top 88%)14245(Top 597%)
25.2M25.20 mi0.35 mi24410-1714316+114316+125043(Top 88%)14271(Top 89%)14271(Top 598%)
Finish26.22 mi1.02 mi24389+2114285+3114285+3124047(Top 85%)13793(Top 86%)13793(Top 578%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24866

Males

14654

M45-49

14654

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23667

Males

14106

M45-49

14106

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24866

Males

14654

M45-49

14654

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24836

Males

14600

M45-49

14600

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24935

Males

14634

M45-49

14634

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25049

Males

14663

M45-49

14663

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24717

Males

14406

M45-49

14406

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23904

Males

13939

M45-49

13939

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22748

Males

13326

M45-49

13326

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24076

Males

13914

M45-49

13914

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24225

Males

13955

M45-49

13955

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24450

Males

14041

M45-49

14041

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24965

Males

14245

M45-49

14245

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25043

Males

14271

M45-49

14271

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24047

Males

13793

M45-49

13793

Passing Analysis

Category:
Athletes Passed
724
Passed By
2957
Net Change
-2233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22156
5K → 10K47876-829#22156#22985
10K → 15K34819-785#22985#23770
15K → 20K46392-346#23770#24116
20K → Half1264-52#24116#24168
Half → 25K65264-199#24168#24367
25K → 30K99202-103#24367#24470
30K → 20M7146+25#24470#24445
20M → 21M12923+106#24445#24339
21M → 35K3829+9#24339#24330
35K → 23M5958+1#24330#24329
23M → 24M4555-10#24329#24339
24M → 40K1872-54#24339#24393
40K → 25.2M926-17#24393#24410
25.2M → Finish5231+21#24410#24389
TOTALS7242957-2233
📊

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