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BOSTON MARATHON 2025

Brandon Olson

Bib: 7346•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5957
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
42:17
Rank: #6354 (-397)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:03:47
Rank: #6608 (-254)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:26:37
Rank: #7293 (-685)
15K → 20K
22:50 | 7:21/mi
Half· 13.11 mi
1:31:34
Rank: #7385 (-92)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:50:34
Rank: #8056 (-671)
Half → 25K
19:00 | 7:50/mi
30K· 18.64 mi
2:16:29
Rank: #9029 (-973)
25K → 30K
25:55 | 8:21/mi
20M
2:28:32
Rank: #9603 (-574)
30K → 20M
12:03 | 8:52/mi
21M
2:39:43
Rank: #10717 (-1114)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
2:46:35
Rank: #11080 (-363)
21M → 35K
6:52 | 9:11/mi
23M
3:00:45
Rank: #12415 (-1335)
35K → 23M
14:10 | 11:19/mi
24M
3:09:33
Rank: #12622 (-207)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:19:07
Rank: #13335 (-713)
24M → 40K
9:34 | 11:11/mi
25.2M
3:22:55
Rank: #13508 (-173)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:30:37
Rank: #13372 (+136)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:34
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:59:03
Pace9:05 /mi
📊Positive Split: 30.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4820:596:4520:59
6:45
-
10K
6.21 mi10:49:0642:176:4821:18
6:51
+0:06
15K
9.32 mi11:10:361:03:476:5121:30
6:55
+0:04
20K
12.43 mi11:33:261:26:376:5822:50
7:21
+0:26
Half
13.11 mi11:38:231:31:346:594:57
7:15
-0:06
25K
15.53 mi11:57:231:50:347:0719:00
7:50
+0:35
30K
18.64 mi12:23:182:16:297:1925:55
8:21
+0:31
20M
20.00 mi12:35:212:28:327:2612:03
8:52
+0:31
21M
21.00 mi12:46:322:39:437:3611:11
11:11
+2:19
35K
21.75 mi12:53:242:46:357:406:52
9:11
-2:00
23M
23.00 mi13:07:343:00:457:5214:10
11:19
+2:08
24M
24.00 mi13:16:223:09:337:548:48
8:48
-2:31
40K
24.85 mi13:25:563:19:078:019:34
11:11
+2:23
25.2M
25.20 mi13:29:443:22:558:033:48
11:01
-0:10
Finish
26.22 mi13:37:263:30:378:027:42
7:33
-3:28

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

6:45 /mi

Average Pace

8:02 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:34

43% of race

Time at Steady Pace

1:13:28

35% of race

Time at Slower Pace

45:35

22% of race

Average Pace: 8:02 /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 mi10:27:4820:596:4520:59
6:45
#5957
10K
6.21 mi10:49:0642:176:4821:18
6:51
#6354
15K
9.32 mi11:10:361:03:476:5121:30
6:55
#6608
20K
12.43 mi11:33:261:26:376:5822:50
7:21
#7293
Half
13.11 mi11:38:231:31:346:594:57
7:15
#7385
25K
15.53 mi11:57:231:50:347:0719:00
7:50
#8056
30K
18.64 mi12:23:182:16:297:1925:55
8:21
#9029
20M
20.00 mi12:35:212:28:327:2612:03
8:52
#9603
21M
21.00 mi12:46:322:39:437:3611:11
11:11
#10717
35K
21.75 mi12:53:242:46:357:406:52
9:11
#11080
23M
23.00 mi13:07:343:00:457:5214:10
11:19
#12415
24M
24.00 mi13:16:223:09:337:548:48
8:48
#12622
40K
24.85 mi13:25:563:19:078:019:34
11:11
#13335
25.2M
25.20 mi13:29:443:22:558:033:48
11:01
#13508
Finish
26.22 mi13:37:263:30:378:027:42
7:33
#13372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5957548354837098(Top 25%)6326(Top 39%)6326(Top 112%)
10K6.21 mi3.10 mi6354-3975807-3245807-3246933(Top 24%)6227(Top 39%)6227(Top 110%)
15K9.32 mi3.11 mi6608-2545969-1625969-1627098(Top 25%)6326(Top 39%)6326(Top 112%)
20K12.43 mi3.11 mi7293-6856485-5166485-5169455(Top 33%)7719(Top 48%)7719(Top 137%)
Half13.11 mi0.68 mi7385-926549-646549-649603(Top 34%)7838(Top 49%)7838(Top 139%)
25K15.53 mi2.42 mi8056-6716964-4156964-41512629(Top 44%)9135(Top 57%)9135(Top 162%)
30K18.64 mi3.11 mi9029-9737480-5167480-51613746(Top 48%)9482(Top 59%)9482(Top 168%)
20M20.00 mi1.36 mi9603-5747762-2827762-28216016(Top 56%)10366(Top 64%)10366(Top 184%)
21M21.00 mi1.00 mi10717-11148289-5278289-52721837(Top 77%)12890(Top 80%)12890(Top 228%)
35K21.75 mi0.75 mi11080-3638441-1528441-15219042(Top 67%)11506(Top 71%)11506(Top 204%)
23M23.00 mi1.25 mi12415-13359025-5849025-58423901(Top 84%)13787(Top 86%)13787(Top 244%)
24M24.00 mi1.00 mi12622-2079105-809105-8016291(Top 57%)10149(Top 63%)10149(Top 180%)
40K24.85 mi0.85 mi13335-7139384-2799384-27923519(Top 83%)13503(Top 84%)13503(Top 239%)
25.2M25.20 mi0.35 mi13508-1739453-699453-6920635(Top 73%)12082(Top 75%)12082(Top 214%)
Finish26.22 mi1.02 mi13372+1369366+879366+879598(Top 34%)6770(Top 42%)6770(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7098

Males

6326

M18-39

6326

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6933

Males

6227

M18-39

6227

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7098

Males

6326

M18-39

6326

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9455

Males

7719

M18-39

7719

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9603

Males

7838

M18-39

7838

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12629

Males

9135

M18-39

9135

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13746

Males

9482

M18-39

9482

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

16016

Males

10366

M18-39

10366

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21837

Males

12890

M18-39

12890

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19042

Males

11506

M18-39

11506

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23901

Males

13787

M18-39

13787

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16291

Males

10149

M18-39

10149

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23519

Males

13503

M18-39

13503

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20635

Males

12082

M18-39

12082

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9598

Males

6770

M18-39

6770

Passing Analysis

Category:
Athletes Passed
494
Passed By
7907
Net Change
-7415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5957
5K → 10K69466-397#5957#6354
10K → 15K83337-254#6354#6608
15K → 20K26711-685#6608#7293
20K → Half496-92#7293#7385
Half → 25K19690-671#7385#8056
25K → 30K551028-973#8056#9029
30K → 20M19593-574#9029#9603
20M → 21M41116-1114#9603#10717
21M → 35K10373-363#10717#11080
35K → 23M91344-1335#11080#12415
23M → 24M32239-207#12415#12622
24M → 40K7720-713#12622#13335
40K → 25.2M10183-173#13335#13508
25.2M → Finish14711+136#13508#13372
TOTALS4947907-7415
📊

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