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BOSTON MARATHON 2025

Jeff Brown

Bib: 13020•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M55-59)
#0 / 1648
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #10251
Start → 5K
7:17/mi
22:39 split
10K· 6.21 mi
45:27
Rank: #10451 (-200)
5K → 10K
7:20/mi
22:48 split
15K· 9.32 mi
1:07:56
Rank: #10112 (+339)
10K → 15K
7:14/mi
22:29 split
20K· 12.43 mi
1:30:31
Rank: #9724 (+388)
15K → 20K
7:16/mi
22:35 split
Half· 13.11 mi
1:35:24
Rank: #9666 (+58)
20K → Half
7:09/mi
4:53 split
25K· 15.53 mi
1:53:20
Rank: #9533 (+133)
Half → 25K
7:24/mi
17:56 split
30K· 18.64 mi
2:16:56
Rank: #9246 (+287)
25K → 30K
7:36/mi
23:36 split
20M
2:27:33
Rank: #9207 (+39)
30K → 20M
7:49/mi
10:37 split
21M
2:36:29
Rank: #9418 (-211)
20M → 21M
8:56/mi
8:56 split
35K· 21.75 mi
2:42:17
Rank: #9420 (-2)
21M → 35K
7:45/mi
5:48 split
23M
2:51:59
Rank: #9308 (+112)
35K → 23M
7:45/mi
9:42 split
24M
2:59:39
Rank: #9270 (+38)
23M → 24M
7:40/mi
7:40 split
40K· 24.85 mi
3:06:46
Rank: #9365 (-95)
24M → 40K
8:19/mi
7:07 split
25.2M
3:09:55
Rank: #9405 (-40)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:18:33
Rank: #9700 (-295)
25.2M → Finish
8:28/mi
8:38 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:24
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:43:09
Pace7:52 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0622:397:1722:39
7:17
-
10K
6.21 mi11:14:5445:277:1922:48
7:20
+0:03
15K
9.32 mi11:37:231:07:567:1722:29
7:14
-0:06
20K
12.43 mi11:59:581:30:317:1722:35
7:16
+0:02
Half
13.11 mi12:04:511:35:247:174:53
7:09
-0:07
25K
15.53 mi12:22:471:53:207:1817:56
7:24
+0:15
30K
18.64 mi12:46:232:16:567:2123:36
7:36
+0:12
20M
20.00 mi12:57:002:27:337:2310:37
7:49
+0:13
21M
21.00 mi13:05:562:36:297:278:56
8:56
+1:07
35K
21.75 mi13:11:442:42:177:285:48
7:45
-1:11
23M
23.00 mi13:21:262:51:597:299:42
7:45
0:00
24M
24.00 mi13:29:062:59:397:297:40
7:40
-0:05
40K
24.85 mi13:36:133:06:467:317:07
8:19
+0:39
25.2M
25.20 mi13:39:223:09:557:323:09
9:08
+0:49
Finish
26.22 mi13:48:003:18:337:358:38
8:28
-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

7:09 /mi

Average Pace

7:35 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:24

48% of race

Time at Steady Pace

1:15:19

38% of race

Time at Slower Pace

27:50

14% of race

Average Pace: 7:34 /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 mi10:52:0622:397:1722:39
7:17
#10251
10K
6.21 mi11:14:5445:277:1922:48
7:20
#10451
15K
9.32 mi11:37:231:07:567:1722:29
7:14
#10112
20K
12.43 mi11:59:581:30:317:1722:35
7:16
#9724
Half
13.11 mi12:04:511:35:247:174:53
7:09
#9666
25K
15.53 mi12:22:471:53:207:1817:56
7:24
#9533
30K
18.64 mi12:46:232:16:567:2123:36
7:36
#9246
20M
20.00 mi12:57:002:27:337:2310:37
7:49
#9207
21M
21.00 mi13:05:562:36:297:278:56
8:56
#9418
35K
21.75 mi13:11:442:42:177:285:48
7:45
#9420
23M
23.00 mi13:21:262:51:597:299:42
7:45
#9308
24M
24.00 mi13:29:062:59:397:297:40
7:40
#9270
40K
24.85 mi13:36:133:06:467:317:07
8:19
#9365
25.2M
25.20 mi13:39:223:09:557:323:09
9:08
#9405
Finish
26.22 mi13:48:003:18:337:358:38
8:28
#9700
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10251829882989424(Top 33%)7782(Top 48%)7782(Top 472%)
10K6.21 mi3.10 mi10451-2008395-978395-9710638(Top 37%)8478(Top 53%)8478(Top 514%)
15K9.32 mi3.11 mi10112+3398198+1978198+1979424(Top 33%)7782(Top 48%)7782(Top 472%)
20K12.43 mi3.11 mi9724+3887956+2427956+2428782(Top 31%)7330(Top 46%)7330(Top 445%)
Half13.11 mi0.68 mi9666+587922+347922+348725(Top 31%)7337(Top 46%)7337(Top 445%)
25K15.53 mi2.42 mi9533+1337811+1117811+1119117(Top 32%)7409(Top 46%)7409(Top 450%)
30K18.64 mi3.11 mi9246+2877603+2087603+2088416(Top 30%)6834(Top 42%)6834(Top 415%)
20M20.00 mi1.36 mi9207+397557+467557+469106(Top 32%)7056(Top 44%)7056(Top 428%)
21M21.00 mi1.00 mi9418-2117630-737630-7313088(Top 46%)8880(Top 55%)8880(Top 539%)
35K21.75 mi0.75 mi9420-27611+197611+1910424(Top 37%)7578(Top 47%)7578(Top 460%)
23M23.00 mi1.25 mi9308+1127510+1017510+1018204(Top 29%)6288(Top 39%)6288(Top 382%)
24M24.00 mi1.00 mi9270+387459+517459+518888(Top 31%)6595(Top 41%)6595(Top 400%)
40K24.85 mi0.85 mi9365-957472-137472-1312256(Top 43%)8163(Top 51%)8163(Top 495%)
25.2M25.20 mi0.35 mi9405-407474-27474-212475(Top 44%)8204(Top 51%)8204(Top 498%)
Finish26.22 mi1.02 mi9700-2957583-1097583-10915995(Top 56%)9927(Top 62%)9927(Top 602%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9424

Males

7782

M55-59

7782

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10638

Males

8478

M55-59

8478

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9424

Males

7782

M55-59

7782

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8782

Males

7330

M55-59

7330

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8725

Males

7337

M55-59

7337

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9117

Males

7409

M55-59

7409

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8416

Males

6834

M55-59

6834

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9106

Males

7056

M55-59

7056

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13088

Males

8880

M55-59

8880

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10424

Males

7578

M55-59

7578

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8204

Males

6288

M55-59

6288

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8888

Males

6595

M55-59

6595

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12256

Males

8163

M55-59

8163

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12475

Males

8204

M55-59

8204

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15995

Males

9927

M55-59

9927

Passing Analysis

Category:
Athletes Passed
2202*
Passed By
1651
Net Change
+551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10251
5K → 10K180380-200#10251#10451
10K → 15K38041+339#10451#10112
15K → 20K415*27+388#10112#9724
20K → Half7012+58#9724#9666
Half → 25K21481+133#9666#9533
25K → 30K36578+287#9533#9246
30K → 20M11273+39#9246#9207
20M → 21M41252-211#9207#9418
21M → 35K6870-2#9418#9420
35K → 23M16149+112#9420#9308
23M → 24M10365+38#9308#9270
24M → 40K48143-95#9270#9365
40K → 25.2M3070-40#9365#9405
25.2M → Finish15310-295#9405#9700
TOTALS2202*1651+551

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing