Boston Marathon logo
BOSTON MARATHON 2025

Jean-Frederic Mercille

Bib: 10528•M

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M50-54)
#0 / 1996
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #8752
Start → 5K
22:06 | 7:07/mi
10K· 6.21 mi
44:43
Rank: #9424 (-672)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:07:41
Rank: #9863 (-439)
10K → 15K
22:58 | 7:24/mi
20K· 12.43 mi
1:31:03
Rank: #10096 (-233)
15K → 20K
23:22 | 7:31/mi
Half· 13.11 mi
1:36:09
Rank: #10166 (-70)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:54:30
Rank: #10187 (-21)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:18:31
Rank: #9967 (+220)
25K → 30K
24:01 | 7:44/mi
20M
2:29:05
Rank: #9818 (+149)
30K → 20M
10:34 | 7:47/mi
21M
2:37:25
Rank: #9763 (+55)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:43:12
Rank: #9768 (-5)
21M → 35K
5:47 | 7:44/mi
23M
2:53:06
Rank: #9720 (+48)
35K → 23M
9:54 | 7:54/mi
24M
3:00:52
Rank: #9682 (+38)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:07:27
Rank: #9591 (+91)
24M → 40K
6:35 | 7:42/mi
25.2M
3:10:16
Rank: #9517 (+74)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:17:34
Rank: #9389 (+128)
25.2M → Finish
7:18 | 7:10/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
Time1:36:09
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:41:25
Pace7:44 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1422:067:0722:06
7:07
-
10K
6.21 mi11:10:5144:437:1222:37
7:17
+0:10
15K
9.32 mi11:33:491:07:417:1622:58
7:24
+0:07
20K
12.43 mi11:57:111:31:037:2023:22
7:31
+0:07
Half
13.11 mi12:02:171:36:097:205:06
7:29
-0:02
25K
15.53 mi12:20:381:54:307:2218:21
7:34
+0:05
30K
18.64 mi12:44:392:18:317:2624:01
7:44
+0:10
20M
20.00 mi12:55:132:29:057:2710:34
7:47
+0:03
21M
21.00 mi13:03:332:37:257:308:20
8:20
+0:33
35K
21.75 mi13:09:202:43:127:305:47
7:44
-0:36
23M
23.00 mi13:19:142:53:067:329:54
7:54
+0:10
24M
24.00 mi13:27:003:00:527:327:46
7:46
-0:08
40K
24.85 mi13:33:353:07:277:336:35
7:42
-0:04
25.2M
25.20 mi13:36:243:10:167:332:49
8:10
+0:28
Finish
26.22 mi13:43:423:17:347:327:18
7:10
-1:00

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

7:07 /mi

Average Pace

7:32 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:31

89% of race

Time at Steady Pace

21:03

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:48:1422:067:0722:06
7:07
#8752
10K
6.21 mi11:10:5144:437:1222:37
7:17
#9424
15K
9.32 mi11:33:491:07:417:1622:58
7:24
#9863
20K
12.43 mi11:57:111:31:037:2023:22
7:31
#10096
Half
13.11 mi12:02:171:36:097:205:06
7:29
#10166
25K
15.53 mi12:20:381:54:307:2218:21
7:34
#10187
30K
18.64 mi12:44:392:18:317:2624:01
7:44
#9967
20M
20.00 mi12:55:132:29:057:2710:34
7:47
#9818
21M
21.00 mi13:03:332:37:257:308:20
8:20
#9763
35K
21.75 mi13:09:202:43:127:305:47
7:44
#9768
23M
23.00 mi13:19:142:53:067:329:54
7:54
#9720
24M
24.00 mi13:27:003:00:527:327:46
7:46
#9682
40K
24.85 mi13:33:353:07:277:336:35
7:42
#9591
25.2M
25.20 mi13:36:243:10:167:332:49
8:10
#9517
Finish
26.22 mi13:43:423:17:347:327:18
7:10
#9389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi87527468746810785(Top 38%)8491(Top 53%)8491(Top 425%)
10K6.21 mi3.10 mi9424-6727860-3927860-39210169(Top 36%)8241(Top 51%)8241(Top 413%)
15K9.32 mi3.11 mi9863-4398057-1978057-19710785(Top 38%)8491(Top 53%)8491(Top 425%)
20K12.43 mi3.11 mi10096-2338159-1028159-10210920(Top 38%)8455(Top 52%)8455(Top 424%)
Half13.11 mi0.68 mi10166-708190-318190-3111425(Top 40%)8735(Top 54%)8735(Top 438%)
25K15.53 mi2.42 mi10187-218160+308160+3010476(Top 37%)8128(Top 50%)8128(Top 407%)
30K18.64 mi3.11 mi9967+2207998+1627998+1629396(Top 33%)7369(Top 46%)7369(Top 369%)
20M20.00 mi1.36 mi9818+1497886+1127886+1128857(Top 31%)6923(Top 43%)6923(Top 347%)
21M21.00 mi1.00 mi9763+557826+607826+609412(Top 33%)7048(Top 44%)7048(Top 353%)
35K21.75 mi0.75 mi9768-57802+247802+2410248(Top 36%)7482(Top 46%)7482(Top 375%)
23M23.00 mi1.25 mi9720+487731+717731+719328(Top 33%)6885(Top 43%)6885(Top 345%)
24M24.00 mi1.00 mi9682+387676+557676+559540(Top 34%)6932(Top 43%)6932(Top 347%)
40K24.85 mi0.85 mi9591+917587+897587+898072(Top 28%)6034(Top 37%)6034(Top 302%)
25.2M25.20 mi0.35 mi9517+747536+517536+516862(Top 24%)5281(Top 33%)5281(Top 265%)
Finish26.22 mi1.02 mi9389+1287422+1147422+1146808(Top 24%)5218(Top 32%)5218(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10785

Males

8491

M50-54

8491

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10169

Males

8241

M50-54

8241

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10785

Males

8491

M50-54

8491

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10920

Males

8455

M50-54

8455

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11425

Males

8735

M50-54

8735

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10476

Males

8128

M50-54

8128

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9396

Males

7369

M50-54

7369

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8857

Males

6923

M50-54

6923

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9412

Males

7048

M50-54

7048

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10248

Males

7482

M50-54

7482

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9328

Males

6885

M50-54

6885

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9540

Males

6932

M50-54

6932

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8072

Males

6034

M50-54

6034

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6862

Males

5281

M50-54

5281

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6808

Males

5218

M50-54

5218

Passing Analysis

Category:
Athletes Passed
1672*
Passed By
2305
Net Change
-637
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8752
5K → 10K46718-672#8752#9424
10K → 15K65503-439#9424#9863
15K → 20K116347-233#9863#10096
20K → Half1181-70#10096#10166
Half → 25K152173-21#10166#10187
25K → 30K337*117+220#10187#9967
30K → 20M18737+149#9967#9818
20M → 21M11863+55#9818#9763
21M → 35K6267-5#9763#9768
35K → 23M12880+48#9768#9720
23M → 24M10062+38#9720#9682
24M → 40K12332+91#9682#9591
40K → 25.2M773+74#9591#9517
25.2M → Finish15022+128#9517#9389
TOTALS1672*2305-637

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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