Boston Marathon logo
BOSTON MARATHON 2025

Laurens Mes

Bib: 6683•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M50-54)
#0 / 1996
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:48
Rank: #7949
Start → 5K
7:01/mi
21:48 split
10K· 6.21 mi
43:04
Rank: #7374 (+575)
5K → 10K
6:51/mi
21:16 split
15K· 9.32 mi
1:04:26
Rank: #7185 (+189)
10K → 15K
6:53/mi
21:22 split
20K· 12.43 mi
1:26:06
Rank: #7055 (+130)
15K → 20K
6:58/mi
21:40 split
Half· 13.11 mi
1:30:54
Rank: #7079 (-24)
20K → Half
7:02/mi
4:48 split
25K· 15.53 mi
1:47:53
Rank: #6890 (+189)
Half → 25K
7:00/mi
16:59 split
30K· 18.64 mi
2:10:45
Rank: #6761 (+129)
25K → 30K
7:22/mi
22:52 split
20M
2:20:57
Rank: #6702 (+59)
30K → 20M
7:30/mi
10:12 split
21M
2:29:07
Rank: #6710 (-8)
20M → 21M
8:10/mi
8:10 split
35K· 21.75 mi
2:34:41
Rank: #6705 (+5)
21M → 35K
7:26/mi
5:34 split
23M
2:44:24
Rank: #6733 (-28)
35K → 23M
7:46/mi
9:43 split
24M
2:52:01
Rank: #6756 (-23)
23M → 24M
7:37/mi
7:37 split
40K· 24.85 mi
2:58:41
Rank: #6808 (-52)
24M → 40K
7:48/mi
6:40 split
25.2M
3:01:40
Rank: #6820 (-12)
40K → 25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:09:32
Rank: #6923 (-103)
25.2M → Finish
7:43/mi
7:52 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
Time1:30:54
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:38:38
Pace7:31 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1121:487:0121:48
7:01
-
10K
6.21 mi10:48:2743:046:5621:16
6:51
-0:10
15K
9.32 mi11:09:491:04:266:5521:22
6:53
+0:02
20K
12.43 mi11:31:291:26:066:5621:40
6:58
+0:05
Half
13.11 mi11:36:171:30:546:564:48
7:02
+0:04
25K
15.53 mi11:53:161:47:536:5716:59
7:00
-0:02
30K
18.64 mi12:16:082:10:457:0122:52
7:22
+0:22
20M
20.00 mi12:26:202:20:577:0310:12
7:30
+0:08
21M
21.00 mi12:34:302:29:077:068:10
8:10
+0:40
35K
21.75 mi12:40:042:34:417:075:34
7:26
-0:44
23M
23.00 mi12:49:472:44:247:099:43
7:46
+0:20
24M
24.00 mi12:57:242:52:017:107:37
7:37
-0:09
40K
24.85 mi13:04:042:58:417:116:40
7:48
+0:11
25.2M
25.20 mi13:07:033:01:407:132:59
8:39
+0:51
Finish
26.22 mi13:14:553:09:327:147:52
7:43
-0:56

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

6:51 /mi

Average Pace

7:14 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:53

57% of race

Time at Steady Pace

46:15

24% of race

Time at Slower Pace

35:24

19% of race

Average Pace: 7:14 /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 mi10:27:1121:487:0121:48
7:01
#7949
10K
6.21 mi10:48:2743:046:5621:16
6:51
#7374
15K
9.32 mi11:09:491:04:266:5521:22
6:53
#7185
20K
12.43 mi11:31:291:26:066:5621:40
6:58
#7055
Half
13.11 mi11:36:171:30:546:564:48
7:02
#7079
25K
15.53 mi11:53:161:47:536:5716:59
7:00
#6890
30K
18.64 mi12:16:082:10:457:0122:52
7:22
#6761
20M
20.00 mi12:26:202:20:577:0310:12
7:30
#6702
21M
21.00 mi12:34:302:29:077:068:10
8:10
#6710
35K
21.75 mi12:40:042:34:417:075:34
7:26
#6705
23M
23.00 mi12:49:472:44:247:099:43
7:46
#6733
24M
24.00 mi12:57:242:52:017:107:37
7:37
#6756
40K
24.85 mi13:04:042:58:417:116:40
7:48
#6808
25.2M
25.20 mi13:07:033:01:407:132:59
8:39
#6820
Finish
26.22 mi13:14:553:09:327:147:52
7:43
#6923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7949696669666789(Top 24%)6092(Top 38%)6092(Top 305%)
10K6.21 mi3.10 mi7374+5756570+3966570+3966832(Top 24%)6148(Top 38%)6148(Top 308%)
15K9.32 mi3.11 mi7185+1896428+1426428+1426789(Top 24%)6092(Top 38%)6092(Top 305%)
20K12.43 mi3.11 mi7055+1306318+1106318+1106720(Top 24%)5995(Top 37%)5995(Top 300%)
Half13.11 mi0.68 mi7079-246327-96327-97794(Top 27%)6756(Top 42%)6756(Top 338%)
25K15.53 mi2.42 mi6890+1896168+1596168+1596366(Top 22%)5668(Top 35%)5668(Top 284%)
30K18.64 mi3.11 mi6761+1296028+1406028+1406814(Top 24%)5858(Top 36%)5858(Top 293%)
20M20.00 mi1.36 mi6702+595963+655963+657050(Top 25%)5868(Top 36%)5868(Top 294%)
21M21.00 mi1.00 mi6710-85946+175946+178348(Top 29%)6448(Top 40%)6448(Top 323%)
35K21.75 mi0.75 mi6705+55928+185928+188172(Top 29%)6395(Top 40%)6395(Top 320%)
23M23.00 mi1.25 mi6733-285911+175911+178285(Top 29%)6320(Top 39%)6320(Top 317%)
24M24.00 mi1.00 mi6756-235900+115900+118504(Top 30%)6380(Top 40%)6380(Top 320%)
40K24.85 mi0.85 mi6808-525909-95909-98705(Top 31%)6362(Top 40%)6362(Top 319%)
25.2M25.20 mi0.35 mi6820-125907+25907+29640(Top 34%)6759(Top 42%)6759(Top 339%)
Finish26.22 mi1.02 mi6923-1035943-365943-3610805(Top 38%)7397(Top 46%)7397(Top 371%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6789

Males

6092

M50-54

6092

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6832

Males

6148

M50-54

6148

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6789

Males

6092

M50-54

6092

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6720

Males

5995

M50-54

5995

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7794

Males

6756

M50-54

6756

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6366

Males

5668

M50-54

5668

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6814

Males

5858

M50-54

5858

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7050

Males

5868

M50-54

5868

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8348

Males

6448

M50-54

6448

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8172

Males

6395

M50-54

6395

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8285

Males

6320

M50-54

6320

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8504

Males

6380

M50-54

6380

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8705

Males

6362

M50-54

6362

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9640

Males

6759

M50-54

6759

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10805

Males

7397

M50-54

7397

Passing Analysis

Category:
Athletes Passed
2030
Passed By
1004
Net Change
+1026
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7949
5K → 10K60429+575#7949#7374
10K → 15K24758+189#7374#7185
15K → 20K21282+130#7185#7055
20K → Half1741-24#7055#7079
Half → 25K21425+189#7079#6890
25K → 30K239110+129#6890#6761
30K → 20M11455+59#6761#6702
20M → 21M7482-8#6702#6710
21M → 35K5045+5#6710#6705
35K → 23M86114-28#6705#6733
23M → 24M6891-23#6733#6756
24M → 40K4395-52#6756#6808
40K → 25.2M3143-12#6808#6820
25.2M → Finish31134-103#6820#6923
TOTALS20301004+1026
📊

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