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BOSTON MARATHON 2025

Brian Sternberg

Bib: 12656•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M45-49)
#0 / 2386
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:56
Rank: #11126
Start → 5K
22:56 | 7:23/mi
10K· 6.21 mi
45:25
Rank: #10408 (+718)
5K → 10K
22:29 | 7:14/mi
15K· 9.32 mi
1:07:35
Rank: #9749 (+659)
10K → 15K
22:10 | 7:08/mi
20K· 12.43 mi
1:29:49
Rank: #9223 (+526)
15K → 20K
22:14 | 7:09/mi
Half· 13.11 mi
1:34:36
Rank: #9135 (+88)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:52:09
Rank: #8849 (+286)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:14:56
Rank: #8328 (+521)
25K → 30K
22:47 | 7:20/mi
20M
2:24:49
Rank: #8059 (+269)
30K → 20M
9:53 | 7:16/mi
21M
2:32:23
Rank: #7793 (+266)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:37:40
Rank: #7669 (+124)
21M → 35K
5:17 | 7:04/mi
23M
2:46:50
Rank: #7485 (+184)
35K → 23M
9:10 | 7:19/mi
24M
2:54:01
Rank: #7357 (+128)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
3:00:17
Rank: #7244 (+113)
24M → 40K
6:16 | 7:20/mi
25.2M
3:03:00
Rank: #7191 (+53)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:10:16
Rank: #7134 (+57)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:36
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1922:567:2322:56
7:23
-
10K
6.21 mi11:13:4845:257:1922:29
7:14
-0:09
15K
9.32 mi11:35:581:07:357:1522:10
7:08
-0:06
20K
12.43 mi11:58:121:29:497:1422:14
7:09
+0:01
Half
13.11 mi12:02:591:34:367:134:47
7:01
-0:08
25K
15.53 mi12:20:321:52:097:1317:33
7:14
+0:13
30K
18.64 mi12:43:192:14:567:1422:47
7:20
+0:06
20M
20.00 mi12:53:122:24:497:149:53
7:16
-0:04
21M
21.00 mi13:00:462:32:237:157:34
7:34
+0:18
35K
21.75 mi13:06:032:37:407:155:17
7:04
-0:30
23M
23.00 mi13:15:132:46:507:159:10
7:19
+0:15
24M
24.00 mi13:22:242:54:017:157:11
7:11
-0:08
40K
24.85 mi13:28:403:00:177:156:16
7:20
+0:09
25.2M
25.20 mi13:31:233:03:007:162:43
7:53
+0:33
Finish
26.22 mi13:38:393:10:167:167:16
7:08
-0:45

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

7:01 /mi

Average Pace

7:16 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:33

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:51:1922:567:2322:56
7:23
#11126
10K
6.21 mi11:13:4845:257:1922:29
7:14
#10408
15K
9.32 mi11:35:581:07:357:1522:10
7:08
#9749
20K
12.43 mi11:58:121:29:497:1422:14
7:09
#9223
Half
13.11 mi12:02:591:34:367:134:47
7:01
#9135
25K
15.53 mi12:20:321:52:097:1317:33
7:14
#8849
30K
18.64 mi12:43:192:14:567:1422:47
7:20
#8328
20M
20.00 mi12:53:122:24:497:149:53
7:16
#8059
21M
21.00 mi13:00:462:32:237:157:34
7:34
#7793
35K
21.75 mi13:06:032:37:407:155:17
7:04
#7669
23M
23.00 mi13:15:132:46:507:159:10
7:19
#7485
24M
24.00 mi13:22:242:54:017:157:11
7:11
#7357
40K
24.85 mi13:28:403:00:177:156:16
7:20
#7244
25.2M
25.20 mi13:31:233:03:007:162:43
7:53
#7191
Finish
26.22 mi13:38:393:10:167:167:16
7:08
#7134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11126875487548566(Top 30%)7283(Top 45%)7283(Top 305%)
10K6.21 mi3.10 mi10408+7188370+3848370+3849786(Top 34%)8020(Top 50%)8020(Top 336%)
15K9.32 mi3.11 mi9749+6598006+3648006+3648566(Top 30%)7283(Top 45%)7283(Top 305%)
20K12.43 mi3.11 mi9223+5267683+3237683+3237848(Top 28%)6771(Top 42%)6771(Top 284%)
Half13.11 mi0.68 mi9135+887637+467637+467624(Top 27%)6645(Top 41%)6645(Top 278%)
25K15.53 mi2.42 mi8849+2867441+1967441+1967870(Top 28%)6678(Top 41%)6678(Top 280%)
30K18.64 mi3.11 mi8328+5217076+3657076+3656639(Top 23%)5736(Top 36%)5736(Top 240%)
20M20.00 mi1.36 mi8059+2696872+2046872+2045612(Top 20%)4912(Top 30%)4912(Top 206%)
21M21.00 mi1.00 mi7793+2666680+1926680+1924939(Top 17%)4327(Top 27%)4327(Top 181%)
35K21.75 mi0.75 mi7669+1246577+1036577+1035755(Top 20%)4891(Top 30%)4891(Top 205%)
23M23.00 mi1.25 mi7485+1846413+1646413+1645570(Top 20%)4714(Top 29%)4714(Top 198%)
24M24.00 mi1.00 mi7357+1286294+1196294+1195704(Top 20%)4729(Top 29%)4729(Top 198%)
40K24.85 mi0.85 mi7244+1136198+966198+965785(Top 20%)4718(Top 29%)4718(Top 198%)
25.2M25.20 mi0.35 mi7191+536152+466152+465254(Top 18%)4275(Top 27%)4275(Top 179%)
Finish26.22 mi1.02 mi7134+576087+656087+656546(Top 23%)5058(Top 31%)5058(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8566

Males

7283

M45-49

7283

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9786

Males

8020

M45-49

8020

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8566

Males

7283

M45-49

7283

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7848

Males

6771

M45-49

6771

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7624

Males

6645

M45-49

6645

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7870

Males

6678

M45-49

6678

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6639

Males

5736

M45-49

5736

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5612

Males

4912

M45-49

4912

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4939

Males

4327

M45-49

4327

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5755

Males

4891

M45-49

4891

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5570

Males

4714

M45-49

4714

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5704

Males

4729

M45-49

4729

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5785

Males

4718

M45-49

4718

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5254

Males

4275

M45-49

4275

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6546

Males

5058

M45-49

5058

Passing Analysis

Category:
Athletes Passed
4188*
Passed By
196
Net Change
+3992
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11126
5K → 10K76143+718#11126#10408
10K → 15K667*8+659#10408#9749
15K → 20K5337+526#9749#9223
20K → Half924+88#9223#9135
Half → 25K31226+286#9135#8849
25K → 30K54019+521#8849#8328
30K → 20M2723+269#8328#8059
20M → 21M2660+266#8059#7793
21M → 35K1273+124#7793#7669
35K → 23M20218+184#7669#7485
23M → 24M14012+128#7485#7357
24M → 40K12815+113#7357#7244
40K → 25.2M574+53#7244#7191
25.2M → Finish9134+57#7191#7134
TOTALS4188*196+3992

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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