Boston Marathon logo
BOSTON MARATHON 2025

Jesse Bronnimann

Bib: 12470•M

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M50-54)
#0 / 1996
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:55
Rank: #11083
Start → 5K
22:55 | 7:23/mi
10K· 6.21 mi
45:23
Rank: #10356 (+727)
5K → 10K
22:28 | 7:14/mi
15K· 9.32 mi
1:07:23
Rank: #9569 (+787)
10K → 15K
22:00 | 7:05/mi
20K· 12.43 mi
1:28:55
Rank: #8584 (+985)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:33:35
Rank: #8436 (+148)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:50:11
Rank: #7882 (+554)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:11:48
Rank: #7151 (+731)
25K → 30K
21:37 | 6:57/mi
20M
2:21:15
Rank: #6776 (+375)
30K → 20M
9:27 | 6:57/mi
21M
2:28:23
Rank: #6478 (+298)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:33:09
Rank: #6274 (+204)
21M → 35K
4:46 | 6:22/mi
23M
2:41:57
Rank: #6049 (+225)
35K → 23M
8:48 | 7:02/mi
24M
2:48:42
Rank: #5873 (+176)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:54:39
Rank: #5734 (+139)
24M → 40K
5:57 | 6:58/mi
25.2M
2:57:14
Rank: #5643 (+91)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:04:11
Rank: #5568 (+75)
25.2M → Finish
6:57 | 6:49/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 Half
Distance13.11 mi
Time1:33:35
Pace7:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5922:557:2322:55
7:23
-
10K
6.21 mi11:13:2745:237:1822:28
7:14
-0:09
15K
9.32 mi11:35:271:07:237:1422:00
7:05
-0:09
20K
12.43 mi11:56:591:28:557:0921:32
6:56
-0:09
Half
13.11 mi12:01:391:33:357:084:40
6:50
-0:06
25K
15.53 mi12:18:151:50:117:0616:36
6:51
+0:01
30K
18.64 mi12:39:522:11:487:0421:37
6:57
+0:06
20M
20.00 mi12:49:192:21:157:049:27
6:57
0:00
21M
21.00 mi12:56:272:28:237:047:08
7:08
+0:11
35K
21.75 mi13:01:132:33:097:034:46
6:22
-0:46
23M
23.00 mi13:10:012:41:577:028:48
7:02
+0:40
24M
24.00 mi13:16:462:48:427:026:45
6:45
-0:17
40K
24.85 mi13:22:432:54:397:025:57
6:58
+0:13
25.2M
25.20 mi13:25:182:57:147:022:35
7:29
+0:31
Finish
26.22 mi13:32:153:04:117:026:57
6:49
-0:40

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

6:22 /mi

Average Pace

7:02 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:17

53% of race

Time at Steady Pace

1:25:54

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:01 /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 mi10:50:5922:557:2322:55
7:23
#11083
10K
6.21 mi11:13:2745:237:1822:28
7:14
#10356
15K
9.32 mi11:35:271:07:237:1422:00
7:05
#9569
20K
12.43 mi11:56:591:28:557:0921:32
6:56
#8584
Half
13.11 mi12:01:391:33:357:084:40
6:50
#8436
25K
15.53 mi12:18:151:50:117:0616:36
6:51
#7882
30K
18.64 mi12:39:522:11:487:0421:37
6:57
#7151
20M
20.00 mi12:49:192:21:157:049:27
6:57
#6776
21M
21.00 mi12:56:272:28:237:047:08
7:08
#6478
35K
21.75 mi13:01:132:33:097:034:46
6:22
#6274
23M
23.00 mi13:10:012:41:577:028:48
7:02
#6049
24M
24.00 mi13:16:462:48:427:026:45
6:45
#5873
40K
24.85 mi13:22:432:54:397:025:57
6:58
#5734
25.2M
25.20 mi13:25:182:57:147:022:35
7:29
#5643
Finish
26.22 mi13:32:153:04:117:026:57
6:49
#5568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11083872587258201(Top 29%)7059(Top 44%)7059(Top 354%)
10K6.21 mi3.10 mi10356+7278345+3808345+3809733(Top 34%)8002(Top 50%)8002(Top 401%)
15K9.32 mi3.11 mi9569+7877909+4367909+4368201(Top 29%)7059(Top 44%)7059(Top 354%)
20K12.43 mi3.11 mi8584+9857315+5947315+5946426(Top 23%)5766(Top 36%)5766(Top 289%)
Half13.11 mi0.68 mi8436+1487216+997216+996479(Top 23%)5819(Top 36%)5819(Top 292%)
25K15.53 mi2.42 mi7882+5546861+3556861+3555254(Top 18%)4816(Top 30%)4816(Top 241%)
30K18.64 mi3.11 mi7151+7316313+5486313+5484445(Top 16%)4068(Top 25%)4068(Top 204%)
20M20.00 mi1.36 mi6776+3756015+2986015+2983850(Top 14%)3543(Top 22%)3543(Top 178%)
21M21.00 mi1.00 mi6478+2985777+2385777+2382851(Top 10%)2645(Top 16%)2645(Top 133%)
35K21.75 mi0.75 mi6274+2045614+1635614+1631943(Top 7%)1827(Top 11%)1827(Top 92%)
23M23.00 mi1.25 mi6049+2255424+1905424+1903947(Top 14%)3536(Top 22%)3536(Top 177%)
24M24.00 mi1.00 mi5873+1765265+1595265+1593262(Top 11%)2942(Top 18%)2942(Top 147%)
40K24.85 mi0.85 mi5734+1395147+1185147+1183686(Top 13%)3256(Top 20%)3256(Top 163%)
25.2M25.20 mi0.35 mi5643+915065+825065+823426(Top 12%)3016(Top 19%)3016(Top 151%)
Finish26.22 mi1.02 mi5568+754997+684997+684633(Top 16%)3883(Top 24%)3883(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8201

Males

7059

M50-54

7059

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9733

Males

8002

M50-54

8002

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8201

Males

7059

M50-54

7059

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6426

Males

5766

M50-54

5766

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6479

Males

5819

M50-54

5819

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5254

Males

4816

M50-54

4816

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4445

Males

4068

M50-54

4068

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3850

Males

3543

M50-54

3543

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2851

Males

2645

M50-54

2645

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1943

Males

1827

M50-54

1827

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3947

Males

3536

M50-54

3536

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3262

Males

2942

M50-54

2942

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3686

Males

3256

M50-54

3256

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3426

Males

3016

M50-54

3016

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4633

Males

3883

M50-54

3883

Passing Analysis

Category:
Athletes Passed
5590*
Passed By
75
Net Change
+5515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11083
5K → 10K76740+727#11083#10356
10K → 15K792*5+787#10356#9569
15K → 20K9850+985#9569#8584
20K → Half1480+148#8584#8436
Half → 25K5551+554#8436#7882
25K → 30K7321+731#7882#7151
30K → 20M3750+375#7151#6776
20M → 21M2980+298#6776#6478
21M → 35K2040+204#6478#6274
35K → 23M2250+225#6274#6049
23M → 24M1837+176#6049#5873
24M → 40K1401+139#5873#5734
40K → 25.2M954+91#5734#5643
25.2M → Finish9116+75#5643#5568
TOTALS5590*75+5515

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

📊

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