Boston Marathon logo
BOSTON MARATHON 2025

Jacob Sattelmair

Bib: 7738•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:52
Rank: #3077
Start → 5K
19:52 | 6:24/mi
10K· 6.21 mi
39:56
Rank: #3243 (-166)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
59:57
Rank: #3220 (+23)
10K → 15K
20:01 | 6:27/mi
20K· 12.43 mi
1:19:51
Rank: #3013 (+207)
15K → 20K
19:54 | 6:24/mi
Half· 13.11 mi
1:24:11
Rank: #2998 (+15)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:39:55
Rank: #2946 (+52)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:00:50
Rank: #2924 (+22)
25K → 30K
20:55 | 6:44/mi
20M
2:10:14
Rank: #2946 (-22)
30K → 20M
9:24 | 6:55/mi
21M
2:17:57
Rank: #3048 (-102)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:23:13
Rank: #3101 (-53)
21M → 35K
5:16 | 7:02/mi
23M
2:32:41
Rank: #3286 (-185)
35K → 23M
9:28 | 7:34/mi
24M
2:40:12
Rank: #3437 (-151)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:46:48
Rank: #3590 (-153)
24M → 40K
6:36 | 7:43/mi
25.2M
2:49:39
Rank: #3638 (-48)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
2:56:41
Rank: #3663 (-25)
25.2M → Finish
7:02 | 6:54/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
Time1:24:11
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:32:30
Pace7:03 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:2419:526:2419:52
6:24
-
10K
6.21 mi10:49:2839:566:2620:04
6:28
+0:04
15K
9.32 mi11:09:2959:576:2620:01
6:27
-0:01
20K
12.43 mi11:29:231:19:516:2619:54
6:24
-0:03
Half
13.11 mi11:33:431:24:116:254:20
6:21
-0:03
25K
15.53 mi11:49:271:39:556:2615:44
6:29
+0:08
30K
18.64 mi12:10:222:00:506:2920:55
6:44
+0:15
20M
20.00 mi12:19:462:10:146:319:24
6:55
+0:11
21M
21.00 mi12:27:292:17:576:347:43
7:43
+0:48
35K
21.75 mi12:32:452:23:136:355:16
7:02
-0:41
23M
23.00 mi12:42:132:32:416:389:28
7:34
+0:32
24M
24.00 mi12:49:442:40:126:417:31
7:31
-0:03
40K
24.85 mi12:56:202:46:486:436:36
7:43
+0:12
25.2M
25.20 mi12:59:112:49:396:442:51
8:16
+0:33
Finish
26.22 mi13:06:132:56:416:457:02
6:54
-1:22

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

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:55

57% of race

Time at Steady Pace

42:37

24% of race

Time at Slower Pace

34:09

19% of race

Average Pace: 6:44 /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 mi10:29:2419:526:2419:52
6:24
#3077
10K
6.21 mi10:49:2839:566:2620:04
6:28
#3243
15K
9.32 mi11:09:2959:576:2620:01
6:27
#3220
20K
12.43 mi11:29:231:19:516:2619:54
6:24
#3013
Half
13.11 mi11:33:431:24:116:254:20
6:21
#2998
25K
15.53 mi11:49:271:39:556:2615:44
6:29
#2946
30K
18.64 mi12:10:222:00:506:2920:55
6:44
#2924
20M
20.00 mi12:19:462:10:146:319:24
6:55
#2946
21M
21.00 mi12:27:292:17:576:347:43
7:43
#3048
35K
21.75 mi12:32:452:23:136:355:16
7:02
#3101
23M
23.00 mi12:42:132:32:416:389:28
7:34
#3286
24M
24.00 mi12:49:442:40:126:417:31
7:31
#3437
40K
24.85 mi12:56:202:46:486:436:36
7:43
#3590
25.2M
25.20 mi12:59:112:49:396:442:51
8:16
#3638
Finish
26.22 mi13:06:132:56:416:457:02
6:54
#3663
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3077292229223191(Top 11%)3037(Top 19%)3037(Top 135%)
10K6.21 mi3.10 mi3243-1663082-1603082-1603421(Top 12%)3245(Top 20%)3245(Top 144%)
15K9.32 mi3.11 mi3220+233061+213061+213191(Top 11%)3037(Top 19%)3037(Top 135%)
20K12.43 mi3.11 mi3013+2072872+1892872+1892550(Top 9%)2431(Top 15%)2431(Top 108%)
Half13.11 mi0.68 mi2998+152857+152857+152788(Top 10%)2664(Top 17%)2664(Top 119%)
25K15.53 mi2.42 mi2946+522808+492808+492830(Top 10%)2692(Top 17%)2692(Top 120%)
30K18.64 mi3.11 mi2924+222784+242784+243039(Top 11%)2856(Top 18%)2856(Top 127%)
20M20.00 mi1.36 mi2946-222802-182802-183594(Top 13%)3310(Top 21%)3310(Top 147%)
21M21.00 mi1.00 mi3048-1022887-852887-855688(Top 20%)4848(Top 30%)4848(Top 216%)
35K21.75 mi0.75 mi3101-532937-502937-505560(Top 20%)4748(Top 29%)4748(Top 211%)
23M23.00 mi1.25 mi3286-1853100-1633100-1636955(Top 24%)5550(Top 34%)5550(Top 247%)
24M24.00 mi1.00 mi3437-1513231-1313231-1317755(Top 27%)5949(Top 37%)5949(Top 265%)
40K24.85 mi0.85 mi3590-1533354-1233354-1238153(Top 29%)6052(Top 38%)6052(Top 269%)
25.2M25.20 mi0.35 mi3638-483393-393393-397308(Top 26%)5473(Top 34%)5473(Top 244%)
Finish26.22 mi1.02 mi3663-253409-163409-165051(Top 18%)4139(Top 26%)4139(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3191

Males

3037

M40-44

3037

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3421

Males

3245

M40-44

3245

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3191

Males

3037

M40-44

3037

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2550

Males

2431

M40-44

2431

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2788

Males

2664

M40-44

2664

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2830

Males

2692

M40-44

2692

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3039

Males

2856

M40-44

2856

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3594

Males

3310

M40-44

3310

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5688

Males

4848

M40-44

4848

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5560

Males

4748

M40-44

4748

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6955

Males

5550

M40-44

5550

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7755

Males

5949

M40-44

5949

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8153

Males

6052

M40-44

6052

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7308

Males

5473

M40-44

5473

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5051

Males

4139

M40-44

4139

Passing Analysis

Category:
Athletes Passed
832
Passed By
1418
Net Change
-586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3077
5K → 10K71237-166#3077#3243
10K → 15K10077+23#3243#3220
15K → 20K2125+207#3220#3013
20K → Half205+15#3013#2998
Half → 25K9745+52#2998#2946
25K → 30K125103+22#2946#2924
30K → 20M4971-22#2924#2946
20M → 21M19121-102#2946#3048
21M → 35K2174-53#3048#3101
35K → 23M30215-185#3101#3286
23M → 24M17168-151#3286#3437
24M → 40K12165-153#3437#3590
40K → 25.2M1664-48#3590#3638
25.2M → Finish4368-25#3638#3663
TOTALS8321418-586
📊

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