Boston Marathon logo
BOSTON MARATHON 2025

Guillermo Usechi

Bib: 10094•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M50-54)
#0 / 1996
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #4081
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
40:45
Rank: #4197 (-116)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:40
Rank: #4513 (-316)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:22:56
Rank: #4761 (-248)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:27:32
Rank: #4799 (-38)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:44:26
Rank: #5000 (-201)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:06:53
Rank: #5222 (-222)
25K → 30K
22:27 | 7:14/mi
20M
2:16:42
Rank: #5220 (+2)
30K → 20M
9:49 | 7:13/mi
21M
2:24:35
Rank: #5311 (-91)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:29:43
Rank: #5266 (+45)
21M → 35K
5:08 | 6:52/mi
23M
2:38:40
Rank: #5183 (+83)
35K → 23M
8:57 | 7:09/mi
24M
2:45:39
Rank: #5127 (+56)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:51:56
Rank: #5123 (+4)
24M → 40K
6:17 | 7:21/mi
25.2M
2:54:50
Rank: #5143 (-20)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:02:23
Rank: #5191 (-48)
25.2M → Finish
7:33 | 7:25/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
Time1:27:32
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:34:51
Pace7:14 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:5320:186:3220:18
6:32
-
10K
6.21 mi11:06:2040:456:3320:27
6:35
+0:03
15K
9.32 mi11:27:151:01:406:3720:55
6:44
+0:09
20K
12.43 mi11:48:311:22:566:4021:16
6:51
+0:07
Half
13.11 mi11:53:071:27:326:414:36
6:45
-0:06
25K
15.53 mi12:10:011:44:266:4316:54
6:58
+0:13
30K
18.64 mi12:32:282:06:536:4822:27
7:14
+0:16
20M
20.00 mi12:42:172:16:426:509:49
7:13
-0:01
21M
21.00 mi12:50:102:24:356:537:53
7:53
+0:40
35K
21.75 mi12:55:182:29:436:535:08
6:52
-1:01
23M
23.00 mi13:04:152:38:406:548:57
7:09
+0:17
24M
24.00 mi13:11:142:45:396:546:59
6:59
-0:10
40K
24.85 mi13:17:312:51:566:556:17
7:21
+0:22
25.2M
25.20 mi13:20:252:54:506:562:54
8:25
+1:04
Finish
26.22 mi13:27:583:02:236:587:33
7:25
-1:00

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

6:32 /mi

Average Pace

6:58 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:40

34% of race

Time at Steady Pace

1:13:39

40% of race

Time at Slower Pace

47:04

26% of race

Average Pace: 6:57 /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 mi10:45:5320:186:3220:18
6:32
#4081
10K
6.21 mi11:06:2040:456:3320:27
6:35
#4197
15K
9.32 mi11:27:151:01:406:3720:55
6:44
#4513
20K
12.43 mi11:48:311:22:566:4021:16
6:51
#4761
Half
13.11 mi11:53:071:27:326:414:36
6:45
#4799
25K
15.53 mi12:10:011:44:266:4316:54
6:58
#5000
30K
18.64 mi12:32:282:06:536:4822:27
7:14
#5222
20M
20.00 mi12:42:172:16:426:509:49
7:13
#5220
21M
21.00 mi12:50:102:24:356:537:53
7:53
#5311
35K
21.75 mi12:55:182:29:436:535:08
6:52
#5266
23M
23.00 mi13:04:152:38:406:548:57
7:09
#5183
24M
24.00 mi13:11:142:45:396:546:59
6:59
#5127
40K
24.85 mi13:17:312:51:566:556:17
7:21
#5123
25.2M
25.20 mi13:20:252:54:506:562:54
8:25
#5143
Finish
26.22 mi13:27:583:02:236:587:33
7:25
#5191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4081384838485381(Top 19%)4959(Top 31%)4959(Top 248%)
10K6.21 mi3.10 mi4197-1163949-1013949-1014313(Top 15%)4051(Top 25%)4051(Top 203%)
15K9.32 mi3.11 mi4513-3164239-2904239-2905381(Top 19%)4959(Top 31%)4959(Top 248%)
20K12.43 mi3.11 mi4761-2484442-2034442-2035731(Top 20%)5221(Top 32%)5221(Top 262%)
Half13.11 mi0.68 mi4799-384473-314473-315585(Top 20%)5105(Top 32%)5105(Top 256%)
25K15.53 mi2.42 mi5000-2014639-1664639-1666096(Top 21%)5468(Top 34%)5468(Top 274%)
30K18.64 mi3.11 mi5222-2224803-1644803-1646031(Top 21%)5328(Top 33%)5328(Top 267%)
20M20.00 mi1.36 mi5220+24787+164787+165309(Top 19%)4706(Top 29%)4706(Top 236%)
21M21.00 mi1.00 mi5311-914858-714858-716644(Top 23%)5455(Top 34%)5455(Top 273%)
35K21.75 mi0.75 mi5266+454818+404818+404480(Top 16%)3982(Top 25%)3982(Top 199%)
23M23.00 mi1.25 mi5183+834736+824736+824573(Top 16%)4005(Top 25%)4005(Top 201%)
24M24.00 mi1.00 mi5127+564678+584678+584521(Top 16%)3914(Top 24%)3914(Top 196%)
40K24.85 mi0.85 mi5123+44660+184660+185884(Top 21%)4771(Top 30%)4771(Top 239%)
25.2M25.20 mi0.35 mi5143-204674-144674-148120(Top 29%)5944(Top 37%)5944(Top 298%)
Finish26.22 mi1.02 mi5191-484707-334707-338503(Top 30%)6175(Top 38%)6175(Top 309%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5381

Males

4959

M50-54

4959

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4313

Males

4051

M50-54

4051

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5381

Males

4959

M50-54

4959

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5731

Males

5221

M50-54

5221

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5585

Males

5105

M50-54

5105

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6096

Males

5468

M50-54

5468

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6031

Males

5328

M50-54

5328

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5309

Males

4706

M50-54

4706

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6644

Males

5455

M50-54

5455

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4480

Males

3982

M50-54

3982

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4573

Males

4005

M50-54

4005

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4521

Males

3914

M50-54

3914

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5884

Males

4771

M50-54

4771

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8120

Males

5944

M50-54

5944

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8503

Males

6175

M50-54

6175

Passing Analysis

Category:
Athletes Passed
862
Passed By
1972
Net Change
-1110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4081
5K → 10K98214-116#4081#4197
10K → 15K29345-316#4197#4513
15K → 20K63311-248#4513#4761
20K → Half1149-38#4761#4799
Half → 25K60261-201#4799#5000
25K → 30K112334-222#5000#5222
30K → 20M7876+2#5222#5220
20M → 21M51142-91#5220#5311
21M → 35K6621+45#5311#5266
35K → 23M12239+83#5266#5183
23M → 24M7721+56#5183#5127
24M → 40K5349+4#5127#5123
40K → 25.2M1333-20#5123#5143
25.2M → Finish2977-48#5143#5191
TOTALS8621972-1110
📊

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