Boston Marathon logo
BOSTON MARATHON 2025

Juan Carlos Bueno Gonzalez

Bib: 1161•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
5:46/mi
17:55
↑ 97↓ 3451.5%
10K· 6.21 mi
5:49/mi
36:00
↑ 79↓ 1380.4%
15K· 9.32 mi
5:50/mi
54:07
↑ 67↓ 78
20K· 12.43 mi
5:58/mi
1:12:39
↑ 106↓ 860.1%
Half· 13.11 mi
5:59/mi
1:16:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:01/mi
1:31:19
↑ 66↓ 880.2%
30K· 18.64 mi
6:22/mi
1:51:06
↑ 181↓ 1480.2%
20M
6:31/mi
1:59:58
↑ 64↓ 500.2%
21M
7:23/mi
2:07:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:12:46
↑ 17↓ 861.7%
23M
6:39/mi
2:21:05
↑ 23↓ 630.6%
24M
6:33/mi
2:27:38
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:33:32
↓ 200.3%
25.2M
7:50/mi
2:36:14
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
2:43:18
↑ 22↓ 21

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
Time1:16:44
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:26:34
Pace6:36 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5917:555:4617:55
5:46
-
10K
6.21 mi10:36:0436:005:4818:05
5:49
+0:03
15K
9.32 mi10:54:1154:075:4818:07
5:50
+0:01
20K
12.43 mi11:12:431:12:395:5118:32
5:58
+0:08
Half
13.11 mi11:16:481:16:445:514:05
5:59
+0:01
25K
15.53 mi11:31:231:31:195:5314:35
6:01
+0:02
30K
18.64 mi11:51:101:51:065:5819:47
6:22
+0:21
20M
20.00 mi12:00:021:59:586:008:52
6:31
+0:09
21M
21.00 mi12:07:252:07:216:047:23
7:23
+0:52
35K
21.75 mi12:12:502:12:466:065:25
7:14
-0:09
23M
23.00 mi12:21:092:21:056:088:19
6:39
-0:35
24M
24.00 mi12:27:422:27:386:096:33
6:33
-0:06
40K
24.85 mi12:33:362:33:326:115:54
6:54
+0:21
25.2M
25.20 mi12:36:182:36:146:122:42
7:50
+0:56
Finish
26.22 mi12:43:222:43:186:147:04
6:56
-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

5:46 /mi

Average Pace

6:14 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:19

56% of race

Time at Steady Pace

43:31

27% of race

Time at Slower Pace

28:28

17% of race

Average Pace: 6:14 /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 mi10:17:5917:555:4617:55
5:46
#551
10K
6.21 mi10:36:0436:005:4818:05
5:49
#591
15K
9.32 mi10:54:1154:075:4818:07
5:50
#585
20K
12.43 mi11:12:431:12:395:5118:32
5:58
#606
Half
13.11 mi11:16:481:16:445:514:05
5:59
#622
25K
15.53 mi11:31:231:31:195:5314:35
6:01
#645
30K
18.64 mi11:51:101:51:065:5819:47
6:22
#739
20M
20.00 mi12:00:021:59:586:008:52
6:31
#773
21M
21.00 mi12:07:252:07:216:047:23
7:23
#844
35K
21.75 mi12:12:502:12:466:065:25
7:14
#942
23M
23.00 mi12:21:092:21:056:088:19
6:39
#962
24M
24.00 mi12:27:422:27:386:096:33
6:33
#995
40K
24.85 mi12:33:362:33:326:115:54
6:54
#1042
25.2M
25.20 mi12:36:182:36:146:122:42
7:50
#1074
Finish
26.22 mi12:43:222:43:186:147:04
6:56
#1155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi551512512597(Top 2%)556(Top 3%)556(Top 25%)
10K6.21 mi3.10 mi591-40551-39551-39652(Top 2%)608(Top 4%)608(Top 27%)
15K9.32 mi3.11 mi585+6542+9542+9597(Top 2%)556(Top 3%)556(Top 25%)
20K12.43 mi3.11 mi606-21560-18560-18784(Top 3%)735(Top 5%)735(Top 33%)
Half13.11 mi0.68 mi622-16576-16576-161103(Top 4%)1045(Top 6%)1045(Top 47%)
25K15.53 mi2.42 mi645-23598-22598-22848(Top 3%)795(Top 5%)795(Top 35%)
30K18.64 mi3.11 mi739-94692-94692-941420(Top 5%)1341(Top 8%)1341(Top 60%)
20M20.00 mi1.36 mi773-34724-32724-321697(Top 6%)1603(Top 10%)1603(Top 71%)
21M21.00 mi1.00 mi844-71793-69793-693986(Top 14%)3609(Top 22%)3609(Top 161%)
35K21.75 mi0.75 mi942-98886-93886-936804(Top 24%)5563(Top 35%)5563(Top 248%)
23M23.00 mi1.25 mi962-20905-19905-191979(Top 7%)1849(Top 11%)1849(Top 82%)
24M24.00 mi1.00 mi995-33937-32937-322224(Top 8%)2056(Top 13%)2056(Top 91%)
40K24.85 mi0.85 mi1042-47981-44981-443305(Top 12%)2947(Top 18%)2947(Top 131%)
25.2M25.20 mi0.35 mi1074-321011-301011-304911(Top 17%)4028(Top 25%)4028(Top 179%)
Finish26.22 mi1.02 mi1155-811087-761087-765268(Top 19%)4279(Top 27%)4279(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

597

Males

556

M40-44

556

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

652

Males

608

M40-44

608

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

597

Males

556

M40-44

556

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

784

Males

735

M40-44

735

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1103

Males

1045

M40-44

1045

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

848

Males

795

M40-44

795

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1420

Males

1341

M40-44

1341

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1697

Males

1603

M40-44

1603

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3986

Males

3609

M40-44

3609

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6804

Males

5563

M40-44

5563

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1979

Males

1849

M40-44

1849

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2224

Males

2056

M40-44

2056

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3305

Males

2947

M40-44

2947

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4911

Males

4028

M40-44

4028

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5268

Males

4279

M40-44

4279

Passing Analysis

Category:
Athletes Passed
136
Passed By
740
Net Change
-604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#551
5K → 10K1858-40#551#591
10K → 15K2115+6#591#585
15K → 20K1536-21#585#606
20K → Half117-16#606#622
Half → 25K1942-23#622#645
25K → 30K10104-94#645#739
30K → 20M1044-34#739#773
20M → 21M172-71#773#844
21M → 35K6104-98#844#942
35K → 23M1636-20#942#962
23M → 24M639-33#962#995
24M → 40K552-47#995#1042
40K → 25.2M436-32#1042#1074
25.2M → Finish485-81#1074#1155
TOTALS136740-604
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing