Boston Marathon logo
BOSTON MARATHON 2025

Daniel Pons

Bib: 1343•M

KS

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 13%
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
5:58/mi
18:31
↑ 97↓ 3451.5%
10K· 6.21 mi
5:56/mi
36:57
↑ 79↓ 1380.4%
15K· 9.32 mi
5:56/mi
55:24
↑ 67↓ 78
20K· 12.43 mi
5:58/mi
1:13:55
↑ 106↓ 860.1%
Half· 13.11 mi
5:50/mi
1:17:54
↑ 19↓ 370.5%
25K· 15.53 mi
5:58/mi
1:32:22
↑ 66↓ 880.2%
30K· 18.64 mi
6:02/mi
1:51:08
↑ 181↓ 1480.2%
20M
6:13/mi
1:59:35
↑ 64↓ 500.2%
21M
6:41/mi
2:06:16
↑ 106↓ 241.6%
35K· 21.75 mi
6:05/mi
2:10:49
↑ 17↓ 861.7%
23M
6:34/mi
2:19:02
↑ 23↓ 630.6%
24M
6:56/mi
2:25:58
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:31:55
↓ 200.3%
25.2M
7:32/mi
2:34:31
↑ 13↓ 160.2%
Finish· 26.22 mi
6:15/mi
2:40:53
↑ 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
Time1:17:54
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:22:59
Pace6:20 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0318:315:5818:31
5:58
-
10K
6.21 mi10:37:2936:575:5718:26
5:56
-0:02
15K
9.32 mi10:55:5655:245:5718:27
5:56
0:00
20K
12.43 mi11:14:271:13:555:5718:31
5:58
+0:02
Half
13.11 mi11:18:261:17:545:573:59
5:50
-0:08
25K
15.53 mi11:32:541:32:225:5714:28
5:58
+0:08
30K
18.64 mi11:51:401:51:085:5818:46
6:02
+0:04
20M
20.00 mi12:00:071:59:355:598:27
6:13
+0:11
21M
21.00 mi12:06:482:06:166:016:41
6:41
+0:28
35K
21.75 mi12:11:212:10:496:014:33
6:05
-0:36
23M
23.00 mi12:19:342:19:026:038:13
6:34
+0:29
24M
24.00 mi12:26:302:25:586:056:56
6:56
+0:22
40K
24.85 mi12:32:272:31:556:075:57
6:58
+0:02
25.2M
25.20 mi12:35:032:34:316:082:36
7:32
+0:34
Finish
26.22 mi12:41:252:40:536:086:22
6:15
-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

5:50 /mi

Average Pace

6:08 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:59

2% of race

Time at Steady Pace

2:06:31

79% of race

Time at Slower Pace

30:23

19% of race

Average Pace: 6:08 /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 mi10:19:0318:315:5818:31
5:58
#960
10K
6.21 mi10:37:2936:575:5718:26
5:56
#933
15K
9.32 mi10:55:5655:245:5718:27
5:56
#908
20K
12.43 mi11:14:271:13:555:5718:31
5:58
#854
Half
13.11 mi11:18:261:17:545:573:59
5:50
#844
25K
15.53 mi11:32:541:32:225:5714:28
5:58
#813
30K
18.64 mi11:51:401:51:085:5818:46
6:02
#743
20M
20.00 mi12:00:071:59:355:598:27
6:13
#727
21M
21.00 mi12:06:482:06:166:016:41
6:41
#732
35K
21.75 mi12:11:212:10:496:014:33
6:05
#719
23M
23.00 mi12:19:342:19:026:038:13
6:34
#741
24M
24.00 mi12:26:302:25:586:056:56
6:56
#810
40K
24.85 mi12:32:272:31:556:075:57
6:58
#856
25.2M
25.20 mi12:35:032:34:316:082:36
7:32
#888
Finish
26.22 mi12:41:252:40:536:086:22
6:15
#894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi960902902850(Top 3%)798(Top 5%)798(Top 14%)
10K6.21 mi3.10 mi933+27878+24878+24914(Top 3%)860(Top 5%)860(Top 15%)
15K9.32 mi3.11 mi908+25854+24854+24850(Top 3%)798(Top 5%)798(Top 14%)
20K12.43 mi3.11 mi854+54803+51803+51773(Top 3%)724(Top 4%)724(Top 13%)
Half13.11 mi0.68 mi844+10793+10793+10677(Top 2%)634(Top 4%)634(Top 11%)
25K15.53 mi2.42 mi813+31761+32761+32724(Top 3%)676(Top 4%)676(Top 12%)
30K18.64 mi3.11 mi743+70696+65696+65563(Top 2%)525(Top 3%)525(Top 9%)
20M20.00 mi1.36 mi727+16680+16680+16777(Top 3%)734(Top 5%)734(Top 13%)
21M21.00 mi1.00 mi732-5684-4684-41143(Top 4%)1082(Top 7%)1082(Top 19%)
35K21.75 mi0.75 mi719+13671+13671+13907(Top 3%)852(Top 5%)852(Top 15%)
23M23.00 mi1.25 mi741-22692-21692-211665(Top 6%)1554(Top 10%)1554(Top 28%)
24M24.00 mi1.00 mi810-69759-67759-674220(Top 15%)3701(Top 23%)3701(Top 66%)
40K24.85 mi0.85 mi856-46801-42801-423628(Top 13%)3198(Top 20%)3198(Top 57%)
25.2M25.20 mi0.35 mi888-32831-30831-303485(Top 12%)3029(Top 19%)3029(Top 54%)
Finish26.22 mi1.02 mi894-6837-6837-61664(Top 6%)1540(Top 10%)1540(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

850

Males

798

M18-39

798

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

914

Males

860

M18-39

860

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

850

Males

798

M18-39

798

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

773

Males

724

M18-39

724

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

677

Males

634

M18-39

634

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

724

Males

676

M18-39

676

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

563

Males

525

M18-39

525

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

777

Males

734

M18-39

734

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1143

Males

1082

M18-39

1082

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

907

Males

852

M18-39

852

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1665

Males

1554

M18-39

1554

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4220

Males

3701

M18-39

3701

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3628

Males

3198

M18-39

3198

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3485

Males

3029

M18-39

3029

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1664

Males

1540

M18-39

1540

Passing Analysis

Category:
Athletes Passed
382
Passed By
316
Net Change
+66
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#960
5K → 10K5831+27#960#933
10K → 15K4116+25#933#908
15K → 20K6410+54#908#854
20K → Half144+10#854#844
Half → 25K376+31#844#813
25K → 30K777+70#813#743
30K → 20M248+16#743#727
20M → 21M1520-5#727#732
21M → 35K207+13#732#719
35K → 23M931-22#719#741
23M → 24M473-69#741#810
24M → 40K450-46#810#856
40K → 25.2M234-32#856#888
25.2M → Finish1319-6#888#894
TOTALS382316+66
📊

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