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BOSTON MARATHON 2025

Kellen Petersen

Bib: 1611•M

OR

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0:00
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:56
Rank: #1402
Start → 5K
18:56 | 6:06/mi
10K· 6.21 mi
37:53
Rank: #1416 (-14)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
57:03
Rank: #1485 (-69)
10K → 15K
19:10 | 6:10/mi
20K· 12.43 mi
1:17:18
Rank: #1848 (-363)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:21:41
Rank: #1911 (-63)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:37:55
Rank: #2186 (-275)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
1:59:13
Rank: #2425 (-239)
25K → 30K
21:18 | 6:51/mi
20M
2:09:41
Rank: #2783 (-358)
30K → 20M
10:28 | 7:42/mi
21M
2:17:18
Rank: #2892 (-109)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:22:29
Rank: #2911 (-19)
21M → 35K
5:11 | 6:56/mi
23M
2:31:37
Rank: #2996 (-85)
35K → 23M
9:08 | 7:18/mi
24M
2:37:58
Rank: #2892 (+104)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:43:40
Rank: #2834 (+58)
24M → 40K
5:42 | 6:40/mi
25.2M
2:46:40
Rank: #2907 (-73)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
2:53:31
Rank: #2908 (-1)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:41
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:31:50
Pace7:00 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5718:566:0618:56
6:06
-
10K
6.21 mi10:38:5437:536:0618:57
6:06
0:00
15K
9.32 mi10:58:0457:036:0719:10
6:10
+0:04
20K
12.43 mi11:18:191:17:186:1320:15
6:31
+0:21
Half
13.11 mi11:22:421:21:416:144:23
6:25
-0:06
25K
15.53 mi11:38:561:37:556:1816:14
6:42
+0:17
30K
18.64 mi12:00:141:59:136:2421:18
6:51
+0:09
20M
20.00 mi12:10:422:09:416:2910:28
7:42
+0:51
21M
21.00 mi12:18:192:17:186:327:37
7:37
-0:05
35K
21.75 mi12:23:302:22:296:335:11
6:56
-0:41
23M
23.00 mi12:32:382:31:376:369:08
7:18
+0:22
24M
24.00 mi12:38:592:37:586:356:21
6:21
-0:57
40K
24.85 mi12:44:412:43:406:355:42
6:40
+0:19
25.2M
25.20 mi12:47:412:46:406:373:00
8:42
+2:02
Finish
26.22 mi12:54:322:53:316:376:51
6:43
-1:59

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

6:06 /mi

Average Pace

6:37 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:24

37% of race

Time at Steady Pace

1:19:54

46% of race

Time at Slower Pace

30:13

17% of race

Average Pace: 6:37 /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 mi10:19:5718:566:0618:56
6:06
#1402
10K
6.21 mi10:38:5437:536:0618:57
6:06
#1416
15K
9.32 mi10:58:0457:036:0719:10
6:10
#1485
20K
12.43 mi11:18:191:17:186:1320:15
6:31
#1848
Half
13.11 mi11:22:421:21:416:144:23
6:25
#1911
25K
15.53 mi11:38:561:37:556:1816:14
6:42
#2186
30K
18.64 mi12:00:141:59:136:2421:18
6:51
#2425
20M
20.00 mi12:10:422:09:416:2910:28
7:42
#2783
21M
21.00 mi12:18:192:17:186:327:37
7:37
#2892
35K
21.75 mi12:23:302:22:296:335:11
6:56
#2911
23M
23.00 mi12:32:382:31:376:369:08
7:18
#2996
24M
24.00 mi12:38:592:37:586:356:21
6:21
#2892
40K
24.85 mi12:44:412:43:406:355:42
6:40
#2834
25.2M
25.20 mi12:47:412:46:406:373:00
8:42
#2907
Finish
26.22 mi12:54:322:53:316:376:51
6:43
#2908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1402133413341693(Top 6%)1607(Top 10%)1607(Top 28%)
10K6.21 mi3.10 mi1416-141347-131347-131467(Top 5%)1394(Top 9%)1394(Top 25%)
15K9.32 mi3.11 mi1485-691410-631410-631693(Top 6%)1607(Top 10%)1607(Top 28%)
20K12.43 mi3.11 mi1848-3631759-3491759-3493222(Top 11%)3054(Top 19%)3054(Top 54%)
Half13.11 mi0.68 mi1911-631822-631822-633170(Top 11%)3011(Top 19%)3011(Top 53%)
25K15.53 mi2.42 mi2186-2752087-2652087-2654067(Top 14%)3789(Top 24%)3789(Top 67%)
30K18.64 mi3.11 mi2425-2392313-2262313-2263767(Top 13%)3481(Top 22%)3481(Top 62%)
20M20.00 mi1.36 mi2783-3582651-3382651-3388324(Top 29%)6617(Top 41%)6617(Top 117%)
21M21.00 mi1.00 mi2892-1092749-982749-985171(Top 18%)4492(Top 28%)4492(Top 80%)
35K21.75 mi0.75 mi2911-192759-102759-104848(Top 17%)4260(Top 26%)4260(Top 76%)
23M23.00 mi1.25 mi2996-852834-752834-755399(Top 19%)4588(Top 28%)4588(Top 81%)
24M24.00 mi1.00 mi2892+1042737+972737+971488(Top 5%)1392(Top 9%)1392(Top 25%)
40K24.85 mi0.85 mi2834+582682+552682+552226(Top 8%)2041(Top 13%)2041(Top 36%)
25.2M25.20 mi0.35 mi2907-732751-692751-699874(Top 35%)6850(Top 43%)6850(Top 121%)
Finish26.22 mi1.02 mi2908-12745+62745+63983(Top 14%)3416(Top 21%)3416(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1693

Males

1607

M18-39

1607

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1467

Males

1394

M18-39

1394

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1693

Males

1607

M18-39

1607

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3222

Males

3054

M18-39

3054

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3170

Males

3011

M18-39

3011

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4067

Males

3789

M18-39

3789

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3767

Males

3481

M18-39

3481

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8324

Males

6617

M18-39

6617

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5171

Males

4492

M18-39

4492

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4848

Males

4260

M18-39

4260

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5399

Males

4588

M18-39

4588

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1488

Males

1392

M18-39

1392

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2226

Males

2041

M18-39

2041

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9874

Males

6850

M18-39

6850

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3983

Males

3416

M18-39

3416

Passing Analysis

Category:
Athletes Passed
453
Passed By
1959
Net Change
-1506
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1402
5K → 10K6175-14#1402#1416
10K → 15K2796-69#1416#1485
15K → 20K9372-363#1485#1848
20K → Half063-63#1848#1911
Half → 25K15290-275#1911#2186
25K → 30K38277-239#2186#2425
30K → 20M8366-358#2425#2783
20M → 21M20129-109#2783#2892
21M → 35K2847-19#2892#2911
35K → 23M34119-85#2911#2996
23M → 24M1073+104#2996#2892
24M → 40K6810+58#2892#2834
40K → 25.2M477-73#2834#2907
25.2M → Finish3435-1#2907#2908
TOTALS4531959-1506
📊

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