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BOSTON MARATHON 2025

Roy Narten

Bib: 23815•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 47%
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
8:20/mi
25:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
52:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:18:51
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:47:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:52:39
↑ 19↓ 370.5%
25K· 15.53 mi
9:14/mi
2:15:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
2:47:43
↑ 181↓ 1480.2%
20M
10:12/mi
3:01:35
↑ 64↓ 500.2%
21M
11:26/mi
3:13:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
3:21:03
↑ 17↓ 861.7%
23M
9:42/mi
3:33:12
↑ 23↓ 630.6%
24M
9:22/mi
3:42:34
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:50:42
↓ 200.3%
25.2M
10:26/mi
3:54:18
↑ 13↓ 160.2%
Finish· 26.22 mi
9:51/mi
4:04:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:39
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:11:41
Pace10:03 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3725:538:2025:53
8:20
-
10K
6.21 mi11:50:5152:078:2326:14
8:27
+0:07
15K
9.32 mi12:17:351:18:518:2826:44
8:36
+0:09
20K
12.43 mi12:46:041:47:208:3828:29
9:10
+0:34
Half
13.11 mi12:51:231:52:398:365:19
7:48
-1:22
25K
15.53 mi13:13:462:15:028:4222:23
9:14
+1:26
30K
18.64 mi13:46:272:47:439:0032:41
10:31
+1:17
20M
20.00 mi14:00:193:01:359:0513:52
10:12
-0:19
21M
21.00 mi14:11:453:13:019:1111:26
11:26
+1:14
35K
21.75 mi14:19:473:21:039:158:02
10:44
-0:42
23M
23.00 mi14:31:563:33:129:1612:09
9:42
-1:02
24M
24.00 mi14:41:183:42:349:169:22
9:22
-0:20
40K
24.85 mi14:49:263:50:429:178:08
9:31
+0:09
25.2M
25.20 mi14:53:023:54:189:183:36
10:26
+0:55
Finish
26.22 mi15:03:044:04:209:2010:02
9:51
-0:35

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

7:48 /mi

Average Pace

9:20 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:10

34% of race

Time at Steady Pace

1:30:33

37% of race

Time at Slower Pace

1:09:37

28% of race

Average Pace: 9:19 /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 mi11:24:3725:538:2025:53
8:20
#18911
10K
6.21 mi11:50:5152:078:2326:14
8:27
#19162
15K
9.32 mi12:17:351:18:518:2826:44
8:36
#19416
20K
12.43 mi12:46:041:47:208:3828:29
9:10
#20069
Half
13.11 mi12:51:231:52:398:365:19
7:48
#19831
25K
15.53 mi13:13:462:15:028:4222:23
9:14
#20016
30K
18.64 mi13:46:272:47:439:0032:41
10:31
#20854
20M
20.00 mi14:00:193:01:359:0513:52
10:12
#20935
21M
21.00 mi14:11:453:13:019:1111:26
11:26
#21080
35K
21.75 mi14:19:473:21:039:158:02
10:44
#21222
23M
23.00 mi14:31:563:33:129:1612:09
9:42
#21096
24M
24.00 mi14:41:183:42:349:169:22
9:22
#21013
40K
24.85 mi14:49:263:50:429:178:08
9:31
#20933
25.2M
25.20 mi14:53:023:54:189:183:36
10:26
#20894
Finish
26.22 mi15:03:044:04:209:2010:02
9:51
#20941
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18911120001200019944(Top 70%)12477(Top 77%)12477(Top 1953%)
10K6.21 mi3.10 mi19162-25112114-11412114-11419467(Top 69%)12264(Top 76%)12264(Top 1919%)
15K9.32 mi3.11 mi19416-25412229-11512229-11519944(Top 70%)12477(Top 77%)12477(Top 1953%)
20K12.43 mi3.11 mi20069-65312503-27412503-27421766(Top 77%)13241(Top 82%)13241(Top 2072%)
Half13.11 mi0.68 mi19831+23812395+10812395+10814194(Top 50%)10006(Top 62%)10006(Top 1566%)
25K15.53 mi2.42 mi20016-18512471-7612471-7620895(Top 74%)12806(Top 80%)12806(Top 2004%)
30K18.64 mi3.11 mi20854-83812784-31312784-31322979(Top 81%)13605(Top 84%)13605(Top 2129%)
20M20.00 mi1.36 mi20935-8112821-3712821-3721578(Top 76%)12847(Top 80%)12847(Top 2010%)
21M21.00 mi1.00 mi21080-14512856-3512856-3522464(Top 79%)13184(Top 82%)13184(Top 2063%)
35K21.75 mi0.75 mi21222-14212909-5312909-5323652(Top 83%)13711(Top 85%)13711(Top 2146%)
23M23.00 mi1.25 mi21096+12612829+8012829+8019450(Top 68%)11649(Top 72%)11649(Top 1823%)
24M24.00 mi1.00 mi21013+8312762+6712762+6719094(Top 67%)11461(Top 71%)11461(Top 1794%)
40K24.85 mi0.85 mi20933+8012715+4712715+4718751(Top 66%)11208(Top 70%)11208(Top 1754%)
25.2M25.20 mi0.35 mi20894+3912688+2712688+2718772(Top 66%)11216(Top 70%)11216(Top 1755%)
Finish26.22 mi1.02 mi20941-47126881268822427(Top 79%)12979(Top 81%)12979(Top 2031%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19944

Males

12477

M65-69

12477

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19467

Males

12264

M65-69

12264

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19944

Males

12477

M65-69

12477

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21766

Males

13241

M65-69

13241

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14194

Males

10006

M65-69

10006

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20895

Males

12806

M65-69

12806

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22979

Males

13605

M65-69

13605

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21578

Males

12847

M65-69

12847

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22464

Males

13184

M65-69

13184

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23652

Males

13711

M65-69

13711

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19450

Males

11649

M65-69

11649

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19094

Males

11461

M65-69

11461

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18751

Males

11208

M65-69

11208

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18772

Males

11216

M65-69

11216

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22427

Males

12979

M65-69

12979

Passing Analysis

Category:
Athletes Passed
1317
Passed By
3347
Net Change
-2030
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18911
5K → 10K161412-251#18911#19162
10K → 15K113367-254#19162#19416
15K → 20K59712-653#19416#20069
20K → Half2380+238#20069#19831
Half → 25K104289-185#19831#20016
25K → 30K65903-838#20016#20854
30K → 20M70151-81#20854#20935
20M → 21M53198-145#20935#21080
21M → 35K25167-142#21080#21222
35K → 23M15630+126#21222#21096
23M → 24M10522+83#21096#21013
24M → 40K9616+80#21013#20933
40K → 25.2M434+39#20933#20894
25.2M → Finish2976-47#20894#20941
TOTALS13173347-2030
📊

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