Boston Marathon logo
BOSTON MARATHON 2025

Rodney Brenneman

Bib: 12267•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 43%
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
7:26/mi
23:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:06
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:32:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:55:18
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:18:44
↑ 181↓ 1480.2%
20M
7:38/mi
2:29:06
↑ 64↓ 500.2%
21M
7:52/mi
2:36:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:42:21
↑ 17↓ 861.7%
23M
7:17/mi
2:51:28
↑ 23↓ 630.6%
24M
7:09/mi
2:58:37
↓ 821.3%
40K· 24.85 mi
7:06/mi
3:04:41
↓ 200.3%
25.2M
7:47/mi
3:07:22
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
3:14:25
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:37:16
Pace7:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:09
Pace7:25 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5423:077:2623:07
7:26
-
10K
6.21 mi11:13:4946:027:2522:55
7:23
-0:03
15K
9.32 mi11:36:531:09:067:2523:04
7:25
+0:02
20K
12.43 mi11:59:591:32:127:2523:06
7:26
+0:01
Half
13.11 mi12:05:031:37:167:255:04
7:26
0:00
25K
15.53 mi12:23:051:55:187:2518:02
7:26
0:00
30K
18.64 mi12:46:312:18:447:2723:26
7:33
+0:07
20M
20.00 mi12:56:532:29:067:2710:22
7:38
+0:05
21M
21.00 mi13:04:452:36:587:287:52
7:52
+0:14
35K
21.75 mi13:10:082:42:217:285:23
7:12
-0:40
23M
23.00 mi13:19:152:51:287:279:07
7:17
+0:05
24M
24.00 mi13:26:242:58:377:277:09
7:09
-0:08
40K
24.85 mi13:32:283:04:417:266:04
7:06
-0:03
25.2M
25.20 mi13:35:093:07:227:262:41
7:47
+0:41
Finish
26.22 mi13:42:123:14:257:257:03
6:55
-0:52

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

6:55 /mi

Average Pace

7:25 /mi

Slowest Pace

7:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:30

89% of race

Time at Steady Pace

20:55

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:50:5423:077:2623:07
7:26
#11687
10K
6.21 mi11:13:4946:027:2522:55
7:23
#11300
15K
9.32 mi11:36:531:09:067:2523:04
7:25
#11182
20K
12.43 mi11:59:591:32:127:2523:06
7:26
#10919
Half
13.11 mi12:05:031:37:167:255:04
7:26
#10918
25K
15.53 mi12:23:051:55:187:2518:02
7:26
#10629
30K
18.64 mi12:46:312:18:447:2723:26
7:33
#10074
20M
20.00 mi12:56:532:29:067:2710:22
7:38
#9826
21M
21.00 mi13:04:452:36:587:287:52
7:52
#9591
35K
21.75 mi13:10:082:42:217:285:23
7:12
#9443
23M
23.00 mi13:19:152:51:287:279:07
7:17
#9105
24M
24.00 mi13:26:242:58:377:277:09
7:09
#8891
40K
24.85 mi13:32:283:04:417:266:04
7:06
#8632
25.2M
25.20 mi13:35:093:07:227:262:41
7:47
#8522
Finish
26.22 mi13:42:123:14:257:257:03
6:55
#8367
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi116879028902811072(Top 39%)8626(Top 54%)8626(Top 362%)
10K6.21 mi3.10 mi11300+3878820+2088820+20810953(Top 39%)8631(Top 54%)8631(Top 362%)
15K9.32 mi3.11 mi11182+1188746+748746+7411072(Top 39%)8626(Top 54%)8626(Top 362%)
20K12.43 mi3.11 mi10919+2638592+1548592+15410192(Top 36%)8108(Top 50%)8108(Top 340%)
Half13.11 mi0.68 mi10918+18585+78585+711015(Top 39%)8531(Top 53%)8531(Top 358%)
25K15.53 mi2.42 mi10629+2898402+1838402+1839419(Top 33%)7554(Top 47%)7554(Top 317%)
30K18.64 mi3.11 mi10074+5558054+3488054+3488037(Top 28%)6614(Top 41%)6614(Top 277%)
20M20.00 mi1.36 mi9826+2487890+1647890+1647881(Top 28%)6368(Top 40%)6368(Top 267%)
21M21.00 mi1.00 mi9591+2357729+1617729+1616583(Top 23%)5432(Top 34%)5432(Top 228%)
35K21.75 mi0.75 mi9443+1487630+997630+996576(Top 23%)5442(Top 34%)5442(Top 228%)
23M23.00 mi1.25 mi9105+3387392+2387392+2385367(Top 19%)4578(Top 28%)4578(Top 192%)
24M24.00 mi1.00 mi8891+2147238+1547238+1545526(Top 19%)4623(Top 29%)4623(Top 194%)
40K24.85 mi0.85 mi8632+2597047+1917047+1914464(Top 16%)3832(Top 24%)3832(Top 161%)
25.2M25.20 mi0.35 mi8522+1106969+786969+784811(Top 17%)4009(Top 25%)4009(Top 168%)
Finish26.22 mi1.02 mi8367+1556852+1176852+1175219(Top 18%)4267(Top 26%)4267(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11072

Males

8626

M45-49

8626

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10953

Males

8631

M45-49

8631

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11072

Males

8626

M45-49

8626

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10192

Males

8108

M45-49

8108

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11015

Males

8531

M45-49

8531

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9419

Males

7554

M45-49

7554

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

8037

Males

6614

M45-49

6614

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7881

Males

6368

M45-49

6368

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6583

Males

5432

M45-49

5432

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6576

Males

5442

M45-49

5442

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5367

Males

4578

M45-49

4578

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5526

Males

4623

M45-49

4623

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4464

Males

3832

M45-49

3832

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4811

Males

4009

M45-49

4009

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5219

Males

4267

M45-49

4267

Passing Analysis

Category:
Athletes Passed
3721
Passed By
400
Net Change
+3320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11687
5K → 10K489102+387#11687#11300
10K → 15K250132+118#11300#11182
15K → 20K31552+263#11182#10919
20K → Half3231+1#10919#10918
Half → 25K31526+289#10918#10629
25K → 30K57519+555#10629#10074
30K → 20M25911+248#10074#9826
20M → 21M2405+235#9826#9591
21M → 35K1524+148#9591#9443
35K → 23M3380+338#9443#9105
23M → 24M2184+214#9105#8891
24M → 40K2612+259#8891#8632
40K → 25.2M1122+110#8632#8522
25.2M → Finish16510+155#8522#8367
TOTALS3721400+3320
📊

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