Boston Marathon logo
BOSTON MARATHON 2025

Carlos Lopes

Bib: 4222•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Masters (Masters Men)
#0 / 10463
Top 19%
Division (M50-54)
#0 / 1996
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2952
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:57
Rank: #3268 (-316)
5K → 10K
20:08 | 6:29/mi
15K· 9.32 mi
1:00:16
Rank: #3429 (-161)
10K → 15K
20:19 | 6:32/mi
20K· 12.43 mi
1:20:43
Rank: #3472 (-43)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:25:12
Rank: #3500 (-28)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:35
Rank: #3633 (-133)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:04:06
Rank: #3995 (-362)
25K → 30K
22:31 | 7:15/mi
20M
2:14:07
Rank: #4147 (-152)
30K → 20M
10:01 | 7:22/mi
21M
2:21:59
Rank: #4275 (-128)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:27:35
Rank: #4443 (-168)
21M → 35K
5:36 | 7:29/mi
23M
2:39:02
Rank: #5279 (-836)
35K → 23M
11:27 | 9:09/mi
24M
2:46:41
Rank: #5377 (-98)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
2:54:15
Rank: #5623 (-246)
24M → 40K
7:34 | 8:51/mi
25.2M
2:57:47
Rank: #5806 (-183)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:05:55
Rank: #5955 (-149)
25.2M → Finish
8:08 | 7:59/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
Time1:25:12
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:40:43
Pace7:41 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0619:496:2319:49
6:23
-
10K
6.21 mi10:42:1439:576:2620:08
6:29
+0:06
15K
9.32 mi11:02:331:00:166:2820:19
6:32
+0:03
20K
12.43 mi11:23:001:20:436:3020:27
6:35
+0:03
Half
13.11 mi11:27:291:25:126:304:29
6:34
-0:01
25K
15.53 mi11:43:521:41:356:3216:23
6:45
+0:11
30K
18.64 mi12:06:232:04:066:3922:31
7:15
+0:30
20M
20.00 mi12:16:242:14:076:4210:01
7:22
+0:07
21M
21.00 mi12:24:162:21:596:467:52
7:52
+0:30
35K
21.75 mi12:29:522:27:356:475:36
7:29
-0:23
23M
23.00 mi12:41:192:39:026:5511:27
9:09
+1:40
24M
24.00 mi12:48:582:46:416:577:39
7:39
-1:30
40K
24.85 mi12:56:322:54:157:017:34
8:51
+1:12
25.2M
25.20 mi13:00:042:57:477:033:32
10:15
+1:24
Finish
26.22 mi13:08:123:05:557:068:08
7:59
-2:16

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

6:23 /mi

Average Pace

7:06 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:35

55% of race

Time at Steady Pace

53:39

29% of race

Time at Slower Pace

30:41

17% of race

Average Pace: 7:05 /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 mi10:22:0619:496:2319:49
6:23
#2952
10K
6.21 mi10:42:1439:576:2620:08
6:29
#3268
15K
9.32 mi11:02:331:00:166:2820:19
6:32
#3429
20K
12.43 mi11:23:001:20:436:3020:27
6:35
#3472
Half
13.11 mi11:27:291:25:126:304:29
6:34
#3500
25K
15.53 mi11:43:521:41:356:3216:23
6:45
#3633
30K
18.64 mi12:06:232:04:066:3922:31
7:15
#3995
20M
20.00 mi12:16:242:14:076:4210:01
7:22
#4147
21M
21.00 mi12:24:162:21:596:467:52
7:52
#4275
35K
21.75 mi12:29:522:27:356:475:36
7:29
#4443
23M
23.00 mi12:41:192:39:026:5511:27
9:09
#5279
24M
24.00 mi12:48:582:46:416:577:39
7:39
#5377
40K
24.85 mi12:56:322:54:157:017:34
8:51
#5623
25.2M
25.20 mi13:00:042:57:477:033:32
10:15
#5806
Finish
26.22 mi13:08:123:05:557:068:08
7:59
#5955
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2952280828083811(Top 13%)3596(Top 22%)3596(Top 180%)
10K6.21 mi3.10 mi3268-3163105-2973105-2973585(Top 13%)3392(Top 21%)3392(Top 170%)
15K9.32 mi3.11 mi3429-1613256-1513256-1513811(Top 13%)3596(Top 22%)3596(Top 180%)
20K12.43 mi3.11 mi3472-433291-353291-353597(Top 13%)3401(Top 21%)3401(Top 170%)
Half13.11 mi0.68 mi3500-283316-253316-254170(Top 15%)3909(Top 24%)3909(Top 196%)
25K15.53 mi2.42 mi3633-1333432-1163432-1164538(Top 16%)4194(Top 26%)4194(Top 210%)
30K18.64 mi3.11 mi3995-3623754-3223754-3226143(Top 22%)5416(Top 34%)5416(Top 271%)
20M20.00 mi1.36 mi4147-1523882-1283882-1286183(Top 22%)5314(Top 33%)5314(Top 266%)
21M21.00 mi1.00 mi4275-1283982-1003982-1006554(Top 23%)5403(Top 34%)5403(Top 271%)
35K21.75 mi0.75 mi4443-1684120-1384120-1388457(Top 30%)6549(Top 41%)6549(Top 328%)
23M23.00 mi1.25 mi5279-8364813-6934813-69317048(Top 60%)10519(Top 65%)10519(Top 527%)
24M24.00 mi1.00 mi5377-984889-764889-768719(Top 31%)6486(Top 40%)6486(Top 325%)
40K24.85 mi0.85 mi5623-2465062-1735062-17315417(Top 54%)9604(Top 60%)9604(Top 481%)
25.2M25.20 mi0.35 mi5806-1835192-1305192-13017982(Top 63%)10782(Top 67%)10782(Top 540%)
Finish26.22 mi1.02 mi5955-1495286-945286-9412715(Top 45%)8378(Top 52%)8378(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3811

Males

3596

M50-54

3596

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3585

Males

3392

M50-54

3392

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3811

Males

3596

M50-54

3596

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3597

Males

3401

M50-54

3401

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4170

Males

3909

M50-54

3909

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4538

Males

4194

M50-54

4194

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6143

Males

5416

M50-54

5416

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6183

Males

5314

M50-54

5314

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6554

Males

5403

M50-54

5403

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8457

Males

6549

M50-54

6549

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17048

Males

10519

M50-54

10519

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8719

Males

6486

M50-54

6486

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15417

Males

9604

M50-54

9604

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17982

Males

10782

M50-54

10782

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12715

Males

8378

M50-54

8378

Passing Analysis

Category:
Athletes Passed
419
Passed By
3422
Net Change
-3003
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2952
5K → 10K40356-316#2952#3268
10K → 15K51212-161#3268#3429
15K → 20K86129-43#3429#3472
20K → Half634-28#3472#3500
Half → 25K45178-133#3500#3633
25K → 30K38400-362#3633#3995
30K → 20M29181-152#3995#4147
20M → 21M34162-128#4147#4275
21M → 35K15183-168#4275#4443
35K → 23M10846-836#4443#5279
23M → 24M22120-98#5279#5377
24M → 40K9255-246#5377#5623
40K → 25.2M9192-183#5623#5806
25.2M → Finish25174-149#5806#5955
TOTALS4193422-3003
📊

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