Boston Marathon logo
BOSTON MARATHON 2025

Alexandre Rech

Bib: 8074•M

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M45-49)
#0 / 2386
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:22
Rank: #6884
Start → 5K
21:22 | 6:53/mi
10K· 6.21 mi
42:06
Rank: #6061 (+823)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:02:48
Rank: #5602 (+459)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:23:37
Rank: #5258 (+344)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:28:14
Rank: #5282 (-24)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:26
Rank: #5004 (+278)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:06:08
Rank: #4888 (+116)
25K → 30K
21:42 | 6:59/mi
20M
2:15:28
Rank: #4734 (+154)
30K → 20M
9:20 | 6:52/mi
21M
2:23:00
Rank: #4684 (+50)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:28:04
Rank: #4623 (+61)
21M → 35K
5:04 | 6:46/mi
23M
2:36:41
Rank: #4477 (+146)
35K → 23M
8:37 | 6:53/mi
24M
2:43:28
Rank: #4407 (+70)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:49:13
Rank: #4293 (+114)
24M → 40K
5:45 | 6:44/mi
25.2M
2:51:54
Rank: #4285 (+8)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:59:06
Rank: #4389 (-104)
25.2M → Finish
7:12 | 7:04/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
Time1:28:14
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:30:52
Pace6:56 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5021:226:5321:22
6:53
-
10K
6.21 mi10:49:3442:066:4720:44
6:40
-0:13
15K
9.32 mi11:10:161:02:486:4420:42
6:40
0:00
20K
12.43 mi11:31:051:23:376:4420:49
6:42
+0:02
Half
13.11 mi11:35:421:28:146:444:37
6:46
+0:04
25K
15.53 mi11:51:541:44:266:4316:12
6:41
-0:05
30K
18.64 mi12:13:362:06:086:4621:42
6:59
+0:18
20M
20.00 mi12:22:562:15:286:469:20
6:52
-0:07
21M
21.00 mi12:30:282:23:006:497:32
7:32
+0:40
35K
21.75 mi12:35:322:28:046:485:04
6:46
-0:46
23M
23.00 mi12:44:092:36:416:498:37
6:53
+0:07
24M
24.00 mi12:50:562:43:286:496:47
6:47
-0:06
40K
24.85 mi12:56:412:49:136:485:45
6:44
-0:03
25.2M
25.20 mi12:59:222:51:546:492:41
7:47
+1:03
Finish
26.22 mi13:06:342:59:066:507:12
7:04
-0:43

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

6:40 /mi

Average Pace

6:50 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:53

94% of race

Time at Steady Pace

10:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:28:5021:226:5321:22
6:53
#6884
10K
6.21 mi10:49:3442:066:4720:44
6:40
#6061
15K
9.32 mi11:10:161:02:486:4420:42
6:40
#5602
20K
12.43 mi11:31:051:23:376:4420:49
6:42
#5258
Half
13.11 mi11:35:421:28:146:444:37
6:46
#5282
25K
15.53 mi11:51:541:44:266:4316:12
6:41
#5004
30K
18.64 mi12:13:362:06:086:4621:42
6:59
#4888
20M
20.00 mi12:22:562:15:286:469:20
6:52
#4734
21M
21.00 mi12:30:282:23:006:497:32
7:32
#4684
35K
21.75 mi12:35:322:28:046:485:04
6:46
#4623
23M
23.00 mi12:44:092:36:416:498:37
6:53
#4477
24M
24.00 mi12:50:562:43:286:496:47
6:47
#4407
40K
24.85 mi12:56:412:49:136:485:45
6:44
#4293
25.2M
25.20 mi12:59:222:51:546:492:41
7:47
#4285
Finish
26.22 mi13:06:342:59:066:507:12
7:04
#4389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6884622062204763(Top 17%)4447(Top 28%)4447(Top 186%)
10K6.21 mi3.10 mi6061+8235560+6605560+6605099(Top 18%)4751(Top 30%)4751(Top 199%)
15K9.32 mi3.11 mi5602+4595166+3945166+3944763(Top 17%)4447(Top 28%)4447(Top 186%)
20K12.43 mi3.11 mi5258+3444872+2944872+2944449(Top 16%)4153(Top 26%)4153(Top 174%)
Half13.11 mi0.68 mi5282-244889-174889-175827(Top 21%)5314(Top 33%)5314(Top 223%)
25K15.53 mi2.42 mi5004+2784643+2464643+2464005(Top 14%)3737(Top 23%)3737(Top 157%)
30K18.64 mi3.11 mi4888+1164520+1234520+1234604(Top 16%)4201(Top 26%)4201(Top 176%)
20M20.00 mi1.36 mi4734+1544386+1344386+1343343(Top 12%)3094(Top 19%)3094(Top 130%)
21M21.00 mi1.00 mi4684+504340+464340+464781(Top 17%)4215(Top 26%)4215(Top 177%)
35K21.75 mi0.75 mi4623+614277+634277+633969(Top 14%)3569(Top 22%)3569(Top 150%)
23M23.00 mi1.25 mi4477+1464141+1364141+1363138(Top 11%)2868(Top 18%)2868(Top 120%)
24M24.00 mi1.00 mi4407+704069+724069+723425(Top 12%)3080(Top 19%)3080(Top 129%)
40K24.85 mi0.85 mi4293+1143960+1093960+1092523(Top 9%)2305(Top 14%)2305(Top 97%)
25.2M25.20 mi0.35 mi4285+83950+103950+104780(Top 17%)3978(Top 25%)3978(Top 167%)
Finish26.22 mi1.02 mi4389-1044031-814031-816146(Top 22%)4822(Top 30%)4822(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4763

Males

4447

M45-49

4447

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5099

Males

4751

M45-49

4751

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4763

Males

4447

M45-49

4447

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4449

Males

4153

M45-49

4153

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5827

Males

5314

M45-49

5314

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4005

Males

3737

M45-49

3737

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4604

Males

4201

M45-49

4201

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3343

Males

3094

M45-49

3094

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4781

Males

4215

M45-49

4215

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3969

Males

3569

M45-49

3569

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3138

Males

2868

M45-49

2868

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3425

Males

3080

M45-49

3080

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2523

Males

2305

M45-49

2305

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4780

Males

3978

M45-49

3978

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6146

Males

4822

M45-49

4822

Passing Analysis

Category:
Athletes Passed
2914
Passed By
419
Net Change
+2495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6884
5K → 10K8307+823#6884#6061
10K → 15K47011+459#6061#5602
15K → 20K3539+344#5602#5258
20K → Half1943-24#5258#5282
Half → 25K29113+278#5282#5004
25K → 30K216100+116#5004#4888
30K → 20M1639+154#4888#4734
20M → 21M9646+50#4734#4684
21M → 35K7413+61#4684#4623
35K → 23M15913+146#4623#4477
23M → 24M8717+70#4477#4407
24M → 40K1195+114#4407#4293
40K → 25.2M2214+8#4293#4285
25.2M → Finish15119-104#4285#4389
TOTALS2914419+2495
📊

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