Boston Marathon logo
BOSTON MARATHON 2025

Jon-Paul Sweda

Bib: 12078•M

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M45-49)
#0 / 2386
Top 49%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:22
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:31:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:36:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:54:17
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:18:08
↑ 181↓ 1480.2%
20M
7:42/mi
2:28:36
↑ 64↓ 500.2%
21M
8:09/mi
2:36:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:42:22
↑ 17↓ 861.7%
23M
7:39/mi
2:51:57
↑ 23↓ 630.6%
24M
7:29/mi
2:59:26
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:06:10
↓ 200.3%
25.2M
8:51/mi
3:09:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:17:15
↑ 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
Time1:36:12
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:41:03
Pace7:43 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1722:577:2322:57
7:23
-
10K
6.21 mi11:15:0545:457:2222:48
7:20
-0:03
15K
9.32 mi11:37:421:08:227:2022:37
7:17
-0:03
20K
12.43 mi12:00:391:31:197:2122:57
7:23
+0:06
Half
13.11 mi12:05:321:36:127:204:53
7:09
-0:14
25K
15.53 mi12:23:371:54:177:2118:05
7:27
+0:18
30K
18.64 mi12:47:282:18:087:2523:51
7:41
+0:14
20M
20.00 mi12:57:562:28:367:2610:28
7:42
+0:01
21M
21.00 mi13:06:052:36:457:288:09
8:09
+0:27
35K
21.75 mi13:11:422:42:227:285:37
7:30
-0:39
23M
23.00 mi13:21:172:51:577:299:35
7:39
+0:09
24M
24.00 mi13:28:462:59:267:297:29
7:29
-0:10
40K
24.85 mi13:35:303:06:107:296:44
7:53
+0:24
25.2M
25.20 mi13:38:333:09:137:313:03
8:51
+0:58
Finish
26.22 mi13:46:353:17:157:328:02
7:53
-0:58

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

7:09 /mi

Average Pace

7:32 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:30

14% of race

Time at Steady Pace

2:23:47

73% of race

Time at Slower Pace

25:58

13% of race

Average Pace: 7:31 /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 mi10:52:1722:577:2322:57
7:23
#11173
10K
6.21 mi11:15:0545:457:2222:48
7:20
#10887
15K
9.32 mi11:37:421:08:227:2022:37
7:17
#10525
20K
12.43 mi12:00:391:31:197:2122:57
7:23
#10286
Half
13.11 mi12:05:321:36:127:204:53
7:09
#10201
25K
15.53 mi12:23:371:54:177:2118:05
7:27
#10066
30K
18.64 mi12:47:282:18:087:2523:51
7:41
#9785
20M
20.00 mi12:57:562:28:367:2610:28
7:42
#9629
21M
21.00 mi13:06:052:36:457:288:09
8:09
#9510
35K
21.75 mi13:11:422:42:227:285:37
7:30
#9454
23M
23.00 mi13:21:172:51:577:299:35
7:39
#9295
24M
24.00 mi13:28:462:59:267:297:29
7:29
#9185
40K
24.85 mi13:35:303:06:107:296:44
7:53
#9158
25.2M
25.20 mi13:38:333:09:137:313:03
8:51
#9169
Finish
26.22 mi13:46:353:17:157:328:02
7:53
#9283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11173878087809816(Top 35%)7979(Top 50%)7979(Top 334%)
10K6.21 mi3.10 mi10887+2868605+1758605+17510635(Top 37%)8475(Top 53%)8475(Top 355%)
15K9.32 mi3.11 mi10525+3628406+1998406+1999816(Top 35%)7979(Top 50%)7979(Top 334%)
20K12.43 mi3.11 mi10286+2398252+1548252+1549777(Top 34%)7887(Top 49%)7887(Top 331%)
Half13.11 mi0.68 mi10201+858202+508202+508716(Top 31%)7328(Top 46%)7328(Top 307%)
25K15.53 mi2.42 mi10066+1358095+1078095+1079595(Top 34%)7646(Top 47%)7646(Top 320%)
30K18.64 mi3.11 mi9785+2817894+2017894+2019022(Top 32%)7148(Top 44%)7148(Top 300%)
20M20.00 mi1.36 mi9629+1567777+1177777+1178358(Top 29%)6651(Top 41%)6651(Top 279%)
21M21.00 mi1.00 mi9510+1197680+977680+978254(Top 29%)6405(Top 40%)6405(Top 268%)
35K21.75 mi0.75 mi9454+567637+437637+438662(Top 30%)6671(Top 41%)6671(Top 280%)
23M23.00 mi1.25 mi9295+1597501+1367501+1367608(Top 27%)5938(Top 37%)5938(Top 249%)
24M24.00 mi1.00 mi9185+1107416+857416+857565(Top 27%)5854(Top 36%)5854(Top 245%)
40K24.85 mi0.85 mi9158+277359+577359+579275(Top 33%)6668(Top 41%)6668(Top 279%)
25.2M25.20 mi0.35 mi9169-117344+157344+1510838(Top 38%)7391(Top 46%)7391(Top 310%)
Finish26.22 mi1.02 mi9283-1147369-257369-2512017(Top 42%)8039(Top 50%)8039(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9816

Males

7979

M45-49

7979

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10635

Males

8475

M45-49

8475

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9816

Males

7979

M45-49

7979

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9777

Males

7887

M45-49

7887

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8716

Males

7328

M45-49

7328

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9595

Males

7646

M45-49

7646

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9022

Males

7148

M45-49

7148

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8358

Males

6651

M45-49

6651

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8254

Males

6405

M45-49

6405

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8662

Males

6671

M45-49

6671

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7608

Males

5938

M45-49

5938

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7565

Males

5854

M45-49

5854

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9275

Males

6668

M45-49

6668

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10838

Males

7391

M45-49

7391

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

12017

Males

8039

M45-49

8039

Passing Analysis

Category:
Athletes Passed
2699*
Passed By
809
Net Change
+1890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11173
5K → 10K424138+286#11173#10887
10K → 15K39634+362#10887#10525
15K → 20K29556+239#10525#10286
20K → Half850+85#10286#10201
Half → 25K21075+135#10201#10066
25K → 30K363*82+281#10066#9785
30K → 20M19034+156#9785#9629
20M → 21M15637+119#9629#9510
21M → 35K8024+56#9510#9454
35K → 23M19132+159#9454#9295
23M → 24M14636+110#9295#9185
24M → 40K8962+27#9185#9158
40K → 25.2M3445-11#9158#9169
25.2M → Finish40154-114#9169#9283
TOTALS2699*809+1890

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing