Boston Marathon logo
BOSTON MARATHON 2025

Jason Rimmer

Bib: 6329•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M45-49)
#0 / 2386
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:02
Rank: #3451
Start → 5K
20:02 | 6:27/mi
10K· 6.21 mi
40:20
Rank: #3706 (-255)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:00:56
Rank: #3941 (-235)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:21:58
Rank: #4131 (-190)
15K → 20K
21:02 | 6:46/mi
Half· 13.11 mi
1:26:30
Rank: #4149 (-18)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:04
Rank: #4254 (-105)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:04:47
Rank: #4264 (-10)
25K → 30K
21:43 | 6:59/mi
20M
2:14:25
Rank: #4269 (-5)
30K → 20M
9:38 | 7:05/mi
21M
2:21:47
Rank: #4211 (+58)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:26:55
Rank: #4204 (+7)
21M → 35K
5:08 | 6:52/mi
23M
2:35:56
Rank: #4229 (-25)
35K → 23M
9:01 | 7:12/mi
24M
2:42:58
Rank: #4224 (+5)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:48:59
Rank: #4209 (+15)
24M → 40K
6:01 | 7:02/mi
25.2M
2:51:40
Rank: #4211 (-2)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:58:35
Rank: #4205 (+6)
25.2M → Finish
6:55 | 6:47/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
Time1:26:30
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:32:05
Pace7:01 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1420:026:2720:02
6:27
-
10K
6.21 mi10:44:3240:206:2920:18
6:32
+0:05
15K
9.32 mi11:05:081:00:566:3220:36
6:38
+0:06
20K
12.43 mi11:26:101:21:586:3621:02
6:46
+0:08
Half
13.11 mi11:30:421:26:306:364:32
6:39
-0:07
25K
15.53 mi11:47:161:43:046:3816:34
6:50
+0:11
30K
18.64 mi12:08:592:04:476:4221:43
6:59
+0:09
20M
20.00 mi12:18:372:14:256:439:38
7:05
+0:06
21M
21.00 mi12:25:592:21:476:457:22
7:22
+0:17
35K
21.75 mi12:31:072:26:556:455:08
6:52
-0:30
23M
23.00 mi12:40:082:35:566:479:01
7:12
+0:20
24M
24.00 mi12:47:102:42:586:477:02
7:02
-0:10
40K
24.85 mi12:53:112:48:596:486:01
7:02
0:00
25.2M
25.20 mi12:55:522:51:406:492:41
7:47
+0:45
Finish
26.22 mi13:02:472:58:356:496:55
6:47
-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

6:27 /mi

Average Pace

6:49 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:28

37% of race

Time at Steady Pace

1:11:22

40% of race

Time at Slower Pace

41:45

23% of race

Average Pace: 6:49 /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 mi10:24:1420:026:2720:02
6:27
#3451
10K
6.21 mi10:44:3240:206:2920:18
6:32
#3706
15K
9.32 mi11:05:081:00:566:3220:36
6:38
#3941
20K
12.43 mi11:26:101:21:586:3621:02
6:46
#4131
Half
13.11 mi11:30:421:26:306:364:32
6:39
#4149
25K
15.53 mi11:47:161:43:046:3816:34
6:50
#4254
30K
18.64 mi12:08:592:04:476:4221:43
6:59
#4264
20M
20.00 mi12:18:372:14:256:439:38
7:05
#4269
21M
21.00 mi12:25:592:21:476:457:22
7:22
#4211
35K
21.75 mi12:31:072:26:556:455:08
6:52
#4204
23M
23.00 mi12:40:082:35:566:479:01
7:12
#4229
24M
24.00 mi12:47:102:42:586:477:02
7:02
#4224
40K
24.85 mi12:53:112:48:596:486:01
7:02
#4209
25.2M
25.20 mi12:55:522:51:406:492:41
7:47
#4211
Finish
26.22 mi13:02:472:58:356:496:55
6:47
#4205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3451327832784486(Top 16%)4203(Top 26%)4203(Top 176%)
10K6.21 mi3.10 mi3706-2553512-2343512-2343971(Top 14%)3738(Top 23%)3738(Top 157%)
15K9.32 mi3.11 mi3941-2353714-2023714-2024486(Top 16%)4203(Top 26%)4203(Top 176%)
20K12.43 mi3.11 mi4131-1903885-1713885-1714988(Top 18%)4604(Top 29%)4604(Top 193%)
Half13.11 mi0.68 mi4149-183904-193904-194741(Top 17%)4401(Top 27%)4401(Top 184%)
25K15.53 mi2.42 mi4254-1053990-863990-865096(Top 18%)4671(Top 29%)4671(Top 196%)
30K18.64 mi3.11 mi4264-103992-23992-24622(Top 16%)4217(Top 26%)4217(Top 177%)
20M20.00 mi1.36 mi4269-5399239924597(Top 16%)4167(Top 26%)4167(Top 175%)
21M21.00 mi1.00 mi4211+583927+653927+653935(Top 14%)3570(Top 22%)3570(Top 150%)
35K21.75 mi0.75 mi4204+73916+113916+114460(Top 16%)3962(Top 25%)3962(Top 166%)
23M23.00 mi1.25 mi4229-253927-113927-114856(Top 17%)4207(Top 26%)4207(Top 176%)
24M24.00 mi1.00 mi4224+53909+183909+184794(Top 17%)4108(Top 26%)4108(Top 172%)
40K24.85 mi0.85 mi4209+153889+203889+204100(Top 14%)3558(Top 22%)3558(Top 149%)
25.2M25.20 mi0.35 mi4211-23887+23887+24694(Top 17%)3892(Top 24%)3892(Top 163%)
Finish26.22 mi1.02 mi4205+63873+143873+144402(Top 15%)3718(Top 23%)3718(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4486

Males

4203

M45-49

4203

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3971

Males

3738

M45-49

3738

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4486

Males

4203

M45-49

4203

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4988

Males

4604

M45-49

4604

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4741

Males

4401

M45-49

4401

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5096

Males

4671

M45-49

4671

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4622

Males

4217

M45-49

4217

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4597

Males

4167

M45-49

4167

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3935

Males

3570

M45-49

3570

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4460

Males

3962

M45-49

3962

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4856

Males

4207

M45-49

4207

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4794

Males

4108

M45-49

4108

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4100

Males

3558

M45-49

3558

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4694

Males

3892

M45-49

3892

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4402

Males

3718

M45-49

3718

Passing Analysis

Category:
Athletes Passed
783
Passed By
1537
Net Change
-754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3451
5K → 10K39294-255#3451#3706
10K → 15K38273-235#3706#3941
15K → 20K48238-190#3941#4131
20K → Half1129-18#4131#4149
Half → 25K63168-105#4149#4254
25K → 30K140150-10#4254#4264
30K → 20M6873-5#4264#4269
20M → 21M9234+58#4269#4211
21M → 35K3427+7#4211#4204
35K → 23M7095-25#4204#4229
23M → 24M5954+5#4229#4224
24M → 40K4732+15#4224#4209
40K → 25.2M2426-2#4209#4211
25.2M → Finish5044+6#4211#4205
TOTALS7831537-754
📊

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