Boston Marathon logo
BOSTON MARATHON 2025

Ismael Hernandez Uscanga

Bib: 6958•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5919
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:48
Rank: #5627 (+292)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:28
Rank: #5271 (+356)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:22:46
Rank: #4633 (+638)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:27:07
Rank: #4520 (+113)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:43:17
Rank: #4356 (+164)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:04:12
Rank: #4022 (+334)
25K → 30K
20:55 | 6:44/mi
20M
2:13:12
Rank: #3834 (+188)
30K → 20M
9:00 | 6:37/mi
21M
2:20:11
Rank: #3699 (+135)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:25:18
Rank: #3703 (-4)
21M → 35K
5:07 | 6:50/mi
23M
2:34:29
Rank: #3783 (-80)
35K → 23M
9:11 | 7:20/mi
24M
2:41:35
Rank: #3831 (-48)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:47:40
Rank: #3836 (-5)
24M → 40K
6:05 | 7:07/mi
25.2M
2:50:18
Rank: #3820 (+16)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:56:46
Rank: #3686 (+134)
25.2M → Finish
6:28 | 6:21/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
Time1:27:07
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:29:39
Pace6:50 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2020:596:4520:59
6:45
-
10K
6.21 mi10:47:0941:486:4420:49
6:42
-0:03
15K
9.32 mi11:07:491:02:286:4220:40
6:39
-0:03
20K
12.43 mi11:28:071:22:466:4020:18
6:32
-0:07
Half
13.11 mi11:32:281:27:076:394:21
6:23
-0:09
25K
15.53 mi11:48:381:43:176:3916:10
6:40
+0:17
30K
18.64 mi12:09:332:04:126:4020:55
6:44
+0:04
20M
20.00 mi12:18:332:13:126:409:00
6:37
-0:07
21M
21.00 mi12:25:322:20:116:416:59
6:59
+0:22
35K
21.75 mi12:30:392:25:186:415:07
6:50
-0:09
23M
23.00 mi12:39:502:34:296:439:11
7:20
+0:30
24M
24.00 mi12:46:562:41:356:447:06
7:06
-0:14
40K
24.85 mi12:53:012:47:406:456:05
7:07
+0:01
25.2M
25.20 mi12:55:392:50:186:452:38
7:38
+0:31
Finish
26.22 mi13:02:072:56:466:456:28
6:21
-1:17

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

6:21 /mi

Average Pace

6:45 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:07

18% of race

Time at Steady Pace

1:53:40

64% of race

Time at Slower Pace

31:59

18% of race

Average Pace: 6:45 /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 mi10:26:2020:596:4520:59
6:45
#5919
10K
6.21 mi10:47:0941:486:4420:49
6:42
#5627
15K
9.32 mi11:07:491:02:286:4220:40
6:39
#5271
20K
12.43 mi11:28:071:22:466:4020:18
6:32
#4633
Half
13.11 mi11:32:281:27:076:394:21
6:23
#4520
25K
15.53 mi11:48:381:43:176:3916:10
6:40
#4356
30K
18.64 mi12:09:332:04:126:4020:55
6:44
#4022
20M
20.00 mi12:18:332:13:126:409:00
6:37
#3834
21M
21.00 mi12:25:322:20:116:416:59
6:59
#3699
35K
21.75 mi12:30:392:25:186:415:07
6:50
#3703
23M
23.00 mi12:39:502:34:296:439:11
7:20
#3783
24M
24.00 mi12:46:562:41:356:447:06
7:06
#3831
40K
24.85 mi12:53:012:47:406:456:05
7:07
#3836
25.2M
25.20 mi12:55:392:50:186:452:38
7:38
#3820
Finish
26.22 mi13:02:072:56:466:456:28
6:21
#3686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5919544554454642(Top 16%)4343(Top 27%)4343(Top 77%)
10K6.21 mi3.10 mi5627+2925199+2465199+2465327(Top 19%)4928(Top 31%)4928(Top 87%)
15K9.32 mi3.11 mi5271+3564890+3094890+3094642(Top 16%)4343(Top 27%)4343(Top 77%)
20K12.43 mi3.11 mi4633+6384330+5604330+5603307(Top 12%)3132(Top 19%)3132(Top 56%)
Half13.11 mi0.68 mi4520+1134236+944236+942920(Top 10%)2787(Top 17%)2787(Top 49%)
25K15.53 mi2.42 mi4356+1644085+1514085+1513892(Top 14%)3639(Top 23%)3639(Top 64%)
30K18.64 mi3.11 mi4022+3343775+3103775+3103040(Top 11%)2857(Top 18%)2857(Top 51%)
20M20.00 mi1.36 mi3834+1883608+1673608+1672123(Top 7%)2010(Top 12%)2010(Top 36%)
21M21.00 mi1.00 mi3699+1353478+1303478+1302199(Top 8%)2055(Top 13%)2055(Top 36%)
35K21.75 mi0.75 mi3703-43480-23480-24291(Top 15%)3820(Top 24%)3820(Top 68%)
23M23.00 mi1.25 mi3783-803541-613541-615614(Top 20%)4739(Top 29%)4739(Top 84%)
24M24.00 mi1.00 mi3831-483576-353576-355174(Top 18%)4364(Top 27%)4364(Top 77%)
40K24.85 mi0.85 mi3836-53563+133563+134529(Top 16%)3861(Top 24%)3861(Top 68%)
25.2M25.20 mi0.35 mi3820+163549+143549+143973(Top 14%)3389(Top 21%)3389(Top 60%)
Finish26.22 mi1.02 mi3686+1343429+1203429+1202077(Top 7%)1904(Top 12%)1904(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4642

Males

4343

M18-39

4343

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5327

Males

4928

M18-39

4928

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4642

Males

4343

M18-39

4343

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3307

Males

3132

M18-39

3132

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2920

Males

2787

M18-39

2787

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3892

Males

3639

M18-39

3639

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3040

Males

2857

M18-39

2857

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2123

Males

2010

M18-39

2010

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2199

Males

2055

M18-39

2055

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4291

Males

3820

M18-39

3820

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5614

Males

4739

M18-39

4739

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5174

Males

4364

M18-39

4364

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4529

Males

3861

M18-39

3861

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3973

Males

3389

M18-39

3389

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2077

Males

1904

M18-39

1904

Passing Analysis

Category:
Athletes Passed
2676
Passed By
443
Net Change
+2233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5919
5K → 10K37078+292#5919#5627
10K → 15K37115+356#5627#5271
15K → 20K6391+638#5271#4633
20K → Half1130+113#4633#4520
Half → 25K18420+164#4520#4356
25K → 30K35016+334#4356#4022
30K → 20M1880+188#4022#3834
20M → 21M1405+135#3834#3699
21M → 35K3135-4#3699#3703
35K → 23M43123-80#3703#3783
23M → 24M3583-48#3783#3831
24M → 40K4651-5#3831#3836
40K → 25.2M2711+16#3836#3820
25.2M → Finish1395+134#3820#3686
TOTALS2676443+2233
📊

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