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BOSTON MARATHON 2025

Ian Owens

Bib: 4721•M

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:48/mi
21:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:04
↑ 79↓ 1380.4%
15K· 9.32 mi
6:42/mi
1:02:52
↑ 67↓ 78
20K· 12.43 mi
7:03/mi
1:24:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:03/mi
1:29:33
↑ 19↓ 370.5%
25K· 15.53 mi
6:44/mi
1:45:53
↑ 66↓ 880.2%
30K· 18.64 mi
6:59/mi
2:07:36
↑ 181↓ 1480.2%
20M
7:09/mi
2:17:19
↑ 64↓ 500.2%
21M
7:26/mi
2:24:45
↑ 106↓ 241.6%
35K· 21.75 mi
6:53/mi
2:29:54
↑ 17↓ 861.7%
23M
7:04/mi
2:38:45
↑ 23↓ 630.6%
24M
6:54/mi
2:45:39
↓ 821.3%
40K· 24.85 mi
6:51/mi
2:51:30
↓ 200.3%
25.2M
7:29/mi
2:54:05
↑ 13↓ 160.2%
Finish· 26.22 mi
6:33/mi
3:00:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1421:076:4821:07
6:48
-
10K
6.21 mi10:46:1142:046:4620:57
6:45
-0:03
15K
9.32 mi11:06:591:02:526:4520:48
6:42
-0:03
20K
12.43 mi11:28:521:24:456:4921:53
7:03
+0:21
Half
13.11 mi11:33:401:29:336:504:48
7:03
0:00
25K
15.53 mi11:50:001:45:536:4916:20
6:44
-0:19
30K
18.64 mi12:11:432:07:366:5121:43
6:59
+0:15
20M
20.00 mi12:21:262:17:196:529:43
7:09
+0:10
21M
21.00 mi12:28:522:24:456:547:26
7:26
+0:17
35K
21.75 mi12:34:012:29:546:545:09
6:53
-0:33
23M
23.00 mi12:42:522:38:456:548:51
7:04
+0:11
24M
24.00 mi12:49:462:45:396:546:54
6:54
-0:10
40K
24.85 mi12:55:372:51:306:545:51
6:51
-0:03
25.2M
25.20 mi12:58:122:54:056:542:35
7:29
+0:38
Finish
26.22 mi13:04:523:00:456:546:40
6:33
-0:56

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

6:33 /mi

Average Pace

6:54 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:44

94% of race

Time at Steady Pace

10:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:25:1421:076:4821:07
6:48
#6277
10K
6.21 mi10:46:1142:046:4620:57
6:45
#6011
15K
9.32 mi11:06:591:02:526:4520:48
6:42
#5650
20K
12.43 mi11:28:521:24:456:4921:53
7:03
#6105
Half
13.11 mi11:33:401:29:336:504:48
7:03
#6231
25K
15.53 mi11:50:001:45:536:4916:20
6:44
#5859
30K
18.64 mi12:11:432:07:366:5121:43
6:59
#5555
20M
20.00 mi12:21:262:17:196:529:43
7:09
#5497
21M
21.00 mi12:28:522:24:456:547:26
7:26
#5379
35K
21.75 mi12:34:012:29:546:545:09
6:53
#5320
23M
23.00 mi12:42:522:38:456:548:51
7:04
#5200
24M
24.00 mi12:49:462:45:396:546:54
6:54
#5123
40K
24.85 mi12:55:372:51:306:545:51
6:51
#5016
25.2M
25.20 mi12:58:122:54:056:542:35
7:29
#4970
Finish
26.22 mi13:04:523:00:456:546:40
6:33
#4858
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6277573857385017(Top 18%)4662(Top 29%)4662(Top 83%)
10K6.21 mi3.10 mi6011+2665518+2205518+2205744(Top 20%)5260(Top 33%)5260(Top 93%)
15K9.32 mi3.11 mi5650+3615208+3105208+3105017(Top 18%)4662(Top 29%)4662(Top 83%)
20K12.43 mi3.11 mi6105-4555573-3655573-3657131(Top 25%)6295(Top 39%)6295(Top 112%)
Half13.11 mi0.68 mi6231-1265662-895662-897920(Top 28%)6821(Top 42%)6821(Top 121%)
25K15.53 mi2.42 mi5859+3725346+3165346+3164380(Top 15%)4058(Top 25%)4058(Top 72%)
30K18.64 mi3.11 mi5555+3045082+2645082+2644625(Top 16%)4220(Top 26%)4220(Top 75%)
20M20.00 mi1.36 mi5497+585026+565026+564916(Top 17%)4419(Top 27%)4419(Top 78%)
21M21.00 mi1.00 mi5379+1184917+1094917+1094266(Top 15%)3824(Top 24%)3824(Top 68%)
35K21.75 mi0.75 mi5320+594863+544863+544585(Top 16%)4063(Top 25%)4063(Top 72%)
23M23.00 mi1.25 mi5200+1204751+1124751+1124142(Top 15%)3686(Top 23%)3686(Top 65%)
24M24.00 mi1.00 mi5123+774674+774674+774074(Top 14%)3591(Top 22%)3591(Top 64%)
40K24.85 mi0.85 mi5016+1074576+984576+983044(Top 11%)2740(Top 17%)2740(Top 49%)
25.2M25.20 mi0.35 mi4970+464535+414535+413339(Top 12%)2929(Top 18%)2929(Top 52%)
Finish26.22 mi1.02 mi4858+1124433+1024433+1023017(Top 11%)2685(Top 17%)2685(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

5017

Males

4662

M18-39

4662

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5744

Males

5260

M18-39

5260

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

5017

Males

4662

M18-39

4662

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7131

Males

6295

M18-39

6295

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7920

Males

6821

M18-39

6821

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

4380

Males

4058

M18-39

4058

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4625

Males

4220

M18-39

4220

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4916

Males

4419

M18-39

4419

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4266

Males

3824

M18-39

3824

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4585

Males

4063

M18-39

4063

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4142

Males

3686

M18-39

3686

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

4074

Males

3591

M18-39

3591

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3044

Males

2740

M18-39

2740

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3339

Males

2929

M18-39

2929

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3017

Males

2685

M18-39

2685

Passing Analysis

Category:
Athletes Passed
2315
Passed By
896
Net Change
+1419
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6277
5K → 10K34276+266#6277#6011
10K → 15K38120+361#6011#5650
15K → 20K52507-455#5650#6105
20K → Half4130-126#6105#6231
Half → 25K3764+372#6231#5859
25K → 30K33733+304#5859#5555
30K → 20M10042+58#5555#5497
20M → 21M13618+118#5497#5379
21M → 35K7314+59#5379#5320
35K → 23M14222+120#5320#5200
23M → 24M9114+77#5200#5123
24M → 40K1136+107#5123#5016
40K → 25.2M515+46#5016#4970
25.2M → Finish1175+112#4970#4858
TOTALS2315896+1419
📊

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