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BOSTON MARATHON 2025

Benjamin Larsen

Bib: 5514•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:58
Rank: #3309
Start → 5K
19:58 | 6:26/mi
10K· 6.21 mi
40:03
Rank: #3369 (-60)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
59:58
Rank: #3225 (+144)
10K → 15K
19:55 | 6:25/mi
20K· 12.43 mi
1:19:51
Rank: #3014 (+211)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:24:06
Rank: #2961 (+53)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:39:25
Rank: #2745 (+216)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:59:21
Rank: #2462 (+283)
25K → 30K
19:56 | 6:25/mi
20M
2:07:55
Rank: #2296 (+166)
30K → 20M
8:34 | 6:18/mi
21M
2:14:33
Rank: #2191 (+105)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:19:13
Rank: #2140 (+51)
21M → 35K
4:40 | 6:14/mi
23M
2:27:10
Rank: #2017 (+123)
35K → 23M
7:57 | 6:21/mi
24M
2:33:09
Rank: #1885 (+132)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:38:21
Rank: #1790 (+95)
24M → 40K
5:12 | 6:05/mi
25.2M
2:40:38
Rank: #1745 (+45)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:46:37
Rank: #1637 (+108)
25.2M → Finish
5:59 | 5:52/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:06
Pace6:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:31
Pace6:18 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5519:586:2619:58
6:26
-
10K
6.21 mi10:44:0040:036:2720:05
6:28
+0:02
15K
9.32 mi11:03:5559:586:2619:55
6:25
-0:03
20K
12.43 mi11:23:481:19:516:2619:53
6:24
-0:01
Half
13.11 mi11:28:031:24:066:254:15
6:14
-0:10
25K
15.53 mi11:43:221:39:256:2415:19
6:19
+0:05
30K
18.64 mi12:03:181:59:216:2419:56
6:25
+0:06
20M
20.00 mi12:11:522:07:556:248:34
6:18
-0:07
21M
21.00 mi12:18:302:14:336:246:38
6:38
+0:20
35K
21.75 mi12:23:102:19:136:244:40
6:14
-0:24
23M
23.00 mi12:31:072:27:106:247:57
6:21
+0:07
24M
24.00 mi12:37:062:33:096:235:59
5:59
-0:22
40K
24.85 mi12:42:182:38:216:225:12
6:05
+0:06
25.2M
25.20 mi12:44:352:40:386:222:17
6:37
+0:32
Finish
26.22 mi12:50:342:46:376:225:59
5:52
-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

5:52 /mi

Average Pace

6:22 /mi

Slowest Pace

6:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:37

83% of race

Time at Steady Pace

29:00

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:21 /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 mi10:23:5519:586:2619:58
6:26
#3309
10K
6.21 mi10:44:0040:036:2720:05
6:28
#3369
15K
9.32 mi11:03:5559:586:2619:55
6:25
#3225
20K
12.43 mi11:23:481:19:516:2619:53
6:24
#3014
Half
13.11 mi11:28:031:24:066:254:15
6:14
#2961
25K
15.53 mi11:43:221:39:256:2415:19
6:19
#2745
30K
18.64 mi12:03:181:59:216:2419:56
6:25
#2462
20M
20.00 mi12:11:522:07:556:248:34
6:18
#2296
21M
21.00 mi12:18:302:14:336:246:38
6:38
#2191
35K
21.75 mi12:23:102:19:136:244:40
6:14
#2140
23M
23.00 mi12:31:072:27:106:247:57
6:21
#2017
24M
24.00 mi12:37:062:33:096:235:59
5:59
#1885
40K
24.85 mi12:42:182:38:216:225:12
6:05
#1790
25.2M
25.20 mi12:44:352:40:386:222:17
6:37
#1745
Finish
26.22 mi12:50:342:46:376:225:59
5:52
#1637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3309314231423012(Top 11%)2871(Top 18%)2871(Top 51%)
10K6.21 mi3.10 mi3369-603199-573199-573473(Top 12%)3292(Top 20%)3292(Top 58%)
15K9.32 mi3.11 mi3225+1443066+1333066+1333012(Top 11%)2871(Top 18%)2871(Top 51%)
20K12.43 mi3.11 mi3014+2112873+1932873+1932520(Top 9%)2402(Top 15%)2402(Top 43%)
Half13.11 mi0.68 mi2961+532822+512822+512156(Top 8%)2060(Top 13%)2060(Top 37%)
25K15.53 mi2.42 mi2745+2162617+2052617+2051955(Top 7%)1861(Top 12%)1861(Top 33%)
30K18.64 mi3.11 mi2462+2832349+2682349+2681622(Top 6%)1537(Top 10%)1537(Top 27%)
20M20.00 mi1.36 mi2296+1662191+1582191+158986(Top 3%)931(Top 6%)931(Top 17%)
21M21.00 mi1.00 mi2191+1052089+1022089+1021021(Top 4%)966(Top 6%)966(Top 17%)
35K21.75 mi0.75 mi2140+512039+502039+501403(Top 5%)1330(Top 8%)1330(Top 24%)
23M23.00 mi1.25 mi2017+1231917+1221917+1221017(Top 4%)960(Top 6%)960(Top 17%)
24M24.00 mi1.00 mi1885+1321787+1301787+130564(Top 2%)528(Top 3%)528(Top 9%)
40K24.85 mi0.85 mi1790+951694+931694+93529(Top 2%)495(Top 3%)495(Top 9%)
25.2M25.20 mi0.35 mi1745+451651+431651+43655(Top 2%)610(Top 4%)610(Top 11%)
Finish26.22 mi1.02 mi1637+1081549+1021549+102638(Top 2%)600(Top 4%)600(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3012

Males

2871

M18-39

2871

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3473

Males

3292

M18-39

3292

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3012

Males

2871

M18-39

2871

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2520

Males

2402

M18-39

2402

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2156

Males

2060

M18-39

2060

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1955

Males

1861

M18-39

1861

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1622

Males

1537

M18-39

1537

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

986

Males

931

M18-39

931

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1021

Males

966

M18-39

966

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1403

Males

1330

M18-39

1330

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1017

Males

960

M18-39

960

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

564

Males

528

M18-39

528

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

529

Males

495

M18-39

495

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

655

Males

610

M18-39

610

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

638

Males

600

M18-39

600

Passing Analysis

Category:
Athletes Passed
1892
Passed By
220
Net Change
+1672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3309
5K → 10K102162-60#3309#3369
10K → 15K17733+144#3369#3225
15K → 20K2165+211#3225#3014
20K → Half552+53#3014#2961
Half → 25K2215+216#2961#2745
25K → 30K2863+283#2745#2462
30K → 20M1671+166#2462#2296
20M → 21M1094+105#2296#2191
21M → 35K554+51#2191#2140
35K → 23M1230+123#2140#2017
23M → 24M1320+132#2017#1885
24M → 40K950+95#1885#1790
40K → 25.2M461+45#1790#1745
25.2M → Finish1080+108#1745#1637
TOTALS1892220+1672
📊

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