Boston Marathon logo
BOSTON MARATHON 2025

Xavier Duguay-Mercier

Bib: 3403•M

QC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2797
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:40
Rank: #2935 (-138)
5K → 10K
19:55 | 6:25/mi
15K· 9.32 mi
59:55
Rank: #3201 (-266)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:20:44
Rank: #3478 (-277)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:25:10
Rank: #3483 (-5)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:58
Rank: #3372 (+111)
Half → 25K
15:48 | 6:31/mi
30K· 18.64 mi
2:02:03
Rank: #3315 (+57)
25K → 30K
21:05 | 6:47/mi
20M
2:11:21
Rank: #3259 (+56)
30K → 20M
9:18 | 6:51/mi
21M
2:18:39
Rank: #3248 (+11)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:23:36
Rank: #3210 (+38)
21M → 35K
4:57 | 6:37/mi
23M
2:32:13
Rank: #3154 (+56)
35K → 23M
8:37 | 6:53/mi
24M
2:39:05
Rank: #3153 (+1)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:45:00
Rank: #3119 (+34)
24M → 40K
5:55 | 6:55/mi
25.2M
2:47:40
Rank: #3108 (+11)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:54:38
Rank: #3156 (-48)
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
Time1:25:10
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4119:456:2119:45
6:21
-
10K
6.21 mi10:41:3639:406:2319:55
6:25
+0:04
15K
9.32 mi11:01:5159:556:2620:15
6:31
+0:06
20K
12.43 mi11:22:401:20:446:3020:49
6:42
+0:11
Half
13.11 mi11:27:061:25:106:304:26
6:30
-0:12
25K
15.53 mi11:42:541:40:586:3015:48
6:31
+0:01
30K
18.64 mi12:03:592:02:036:3321:05
6:47
+0:16
20M
20.00 mi12:13:172:11:216:349:18
6:51
+0:04
21M
21.00 mi12:20:352:18:396:367:18
7:18
+0:27
35K
21.75 mi12:25:322:23:366:364:57
6:37
-0:41
23M
23.00 mi12:34:092:32:136:378:37
6:53
+0:16
24M
24.00 mi12:41:012:39:056:386:52
6:52
-0:01
40K
24.85 mi12:46:562:45:006:385:55
6:55
+0:03
25.2M
25.20 mi12:49:362:47:406:392:40
7:44
+0:49
Finish
26.22 mi12:56:342:54:386:406:58
6:50
-0:54

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

6:21 /mi

Average Pace

6:40 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:09

46% of race

Time at Steady Pace

1:24:31

48% of race

Time at Slower Pace

9:58

6% of race

Average Pace: 6:40 /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 mi10:21:4119:456:2119:45
6:21
#2797
10K
6.21 mi10:41:3639:406:2319:55
6:25
#2935
15K
9.32 mi11:01:5159:556:2620:15
6:31
#3201
20K
12.43 mi11:22:401:20:446:3020:49
6:42
#3478
Half
13.11 mi11:27:061:25:106:304:26
6:30
#3483
25K
15.53 mi11:42:541:40:586:3015:48
6:31
#3372
30K
18.64 mi12:03:592:02:036:3321:05
6:47
#3315
20M
20.00 mi12:13:172:11:216:349:18
6:51
#3259
21M
21.00 mi12:20:352:18:396:367:18
7:18
#3248
35K
21.75 mi12:25:322:23:366:364:57
6:37
#3210
23M
23.00 mi12:34:092:32:136:378:37
6:53
#3154
24M
24.00 mi12:41:012:39:056:386:52
6:52
#3153
40K
24.85 mi12:46:562:45:006:385:55
6:55
#3119
25.2M
25.20 mi12:49:362:47:406:392:40
7:44
#3108
Finish
26.22 mi12:56:342:54:386:406:58
6:50
#3156
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2797266226623668(Top 13%)3463(Top 22%)3463(Top 61%)
10K6.21 mi3.10 mi2935-1382797-1352797-1353099(Top 11%)2948(Top 18%)2948(Top 52%)
15K9.32 mi3.11 mi3201-2663043-2463043-2463668(Top 13%)3463(Top 22%)3463(Top 61%)
20K12.43 mi3.11 mi3478-2773297-2543297-2544412(Top 16%)4116(Top 26%)4116(Top 73%)
Half13.11 mi0.68 mi3483-53300-33300-33613(Top 13%)3413(Top 21%)3413(Top 60%)
25K15.53 mi2.42 mi3372+1113204+963204+962972(Top 10%)2826(Top 18%)2826(Top 50%)
30K18.64 mi3.11 mi3315+573138+663138+663349(Top 12%)3127(Top 19%)3127(Top 55%)
20M20.00 mi1.36 mi3259+563086+523086+523167(Top 11%)2932(Top 18%)2932(Top 52%)
21M21.00 mi1.00 mi3248+113071+153071+153603(Top 13%)3292(Top 20%)3292(Top 58%)
35K21.75 mi0.75 mi3210+383034+373034+373030(Top 11%)2785(Top 17%)2785(Top 49%)
23M23.00 mi1.25 mi3154+562980+542980+543107(Top 11%)2837(Top 18%)2837(Top 50%)
24M24.00 mi1.00 mi3153+12978+22978+23875(Top 14%)3428(Top 21%)3428(Top 61%)
40K24.85 mi0.85 mi3119+342943+352943+353422(Top 12%)3041(Top 19%)3041(Top 54%)
25.2M25.20 mi0.35 mi3108+112929+142929+144422(Top 16%)3700(Top 23%)3700(Top 66%)
Finish26.22 mi1.02 mi3156-482970-412970-414682(Top 16%)3906(Top 24%)3906(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3668

Males

3463

M18-39

3463

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3099

Males

2948

M18-39

2948

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3668

Males

3463

M18-39

3463

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4412

Males

4116

M18-39

4116

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3613

Males

3413

M18-39

3413

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2972

Males

2826

M18-39

2826

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3349

Males

3127

M18-39

3127

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3167

Males

2932

M18-39

2932

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3603

Males

3292

M18-39

3292

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3030

Males

2785

M18-39

2785

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3107

Males

2837

M18-39

2837

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3875

Males

3428

M18-39

3428

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3422

Males

3041

M18-39

3041

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4422

Males

3700

M18-39

3700

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4682

Males

3906

M18-39

3906

Passing Analysis

Category:
Athletes Passed
858
Passed By
1217
Net Change
-359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2797
5K → 10K82220-138#2797#2935
10K → 15K22288-266#2935#3201
15K → 20K38315-277#3201#3478
20K → Half1520-5#3478#3483
Half → 25K13827+111#3483#3372
25K → 30K13679+57#3372#3315
30K → 20M8428+56#3315#3259
20M → 21M5544+11#3259#3248
21M → 35K5214+38#3248#3210
35K → 23M8529+56#3210#3154
23M → 24M3938+1#3154#3153
24M → 40K5622+34#3153#3119
40K → 25.2M2615+11#3119#3108
25.2M → Finish3078-48#3108#3156
TOTALS8581217-359
📊

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