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BOSTON MARATHON 2025

James Nolan

Bib: 26225•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
9:42/mi
30:08
↑ 97↓ 3451.5%
10K· 6.21 mi
9:49/mi
1:00:37
↑ 79↓ 1380.4%
15K· 9.32 mi
10:05/mi
1:31:56
↑ 67↓ 78
20K· 12.43 mi
11:02/mi
2:06:14
↑ 106↓ 860.1%
Half· 13.11 mi
10:05/mi
2:13:07
↑ 19↓ 370.5%
25K· 15.53 mi
12:45/mi
2:44:02
↑ 66↓ 880.2%
30K· 18.64 mi
14:01/mi
3:27:36
↑ 181↓ 1480.2%
20M
11:28/mi
3:43:11
↑ 64↓ 500.2%
21M
13:20/mi
3:56:31
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
4:04:29
↑ 17↓ 861.7%
23M
11:14/mi
4:18:33
↑ 23↓ 630.6%
24M
11:23/mi
4:29:56
↓ 821.3%
40K· 24.85 mi
11:22/mi
4:39:39
↓ 200.3%
25.2M
11:45/mi
4:43:42
↑ 13↓ 160.2%
Finish· 26.22 mi
10:17/mi
4:54:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:07
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:41:04
Pace12:17 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0230:089:4230:08
9:42
-
10K
6.21 mi12:22:311:00:379:4530:29
9:49
+0:07
15K
9.32 mi12:53:501:31:569:5231:19
10:05
+0:16
20K
12.43 mi13:28:082:06:1410:0934:18
11:02
+0:57
Half
13.11 mi13:35:012:13:0710:096:53
10:05
-0:57
25K
15.53 mi14:05:562:44:0210:3430:55
12:45
+2:40
30K
18.64 mi14:49:303:27:3611:0843:34
14:01
+1:16
20M
20.00 mi15:05:053:43:1111:1015:35
11:28
-2:33
21M
21.00 mi15:18:253:56:3111:1613:20
13:20
+1:52
35K
21.75 mi15:26:234:04:2911:147:58
10:39
-2:41
23M
23.00 mi15:40:274:18:3311:1414:04
11:14
+0:35
24M
24.00 mi15:51:504:29:5611:1511:23
11:23
+0:09
40K
24.85 mi16:01:334:39:3911:159:43
11:22
-0:01
25.2M
25.20 mi16:05:364:43:4211:154:03
11:45
+0:23
Finish
26.22 mi16:16:054:54:1111:1410:29
10:17
-1:28

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

9:42 /mi

Average Pace

11:14 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:18

37% of race

Time at Steady Pace

1:37:04

33% of race

Time at Slower Pace

1:27:49

30% of race

Average Pace: 11:13 /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 mi11:52:0230:089:4230:08
9:42
#24842
10K
6.21 mi12:22:311:00:379:4530:29
9:49
#24870
15K
9.32 mi12:53:501:31:569:5231:19
10:05
#24966
20K
12.43 mi13:28:082:06:1410:0934:18
11:02
#25351
Half
13.11 mi13:35:012:13:0710:096:53
10:05
#25327
25K
15.53 mi14:05:562:44:0210:3430:55
12:45
#25795
30K
18.64 mi14:49:303:27:3611:0843:34
14:01
#26283
20M
20.00 mi15:05:053:43:1111:1015:35
11:28
#26163
21M
21.00 mi15:18:253:56:3111:1613:20
13:20
#26132
35K
21.75 mi15:26:234:04:2911:147:58
10:39
#26055
23M
23.00 mi15:40:274:18:3311:1414:04
11:14
#25955
24M
24.00 mi15:51:504:29:5611:1511:23
11:23
#25921
40K
24.85 mi16:01:334:39:3911:159:43
11:22
#25882
25.2M
25.20 mi16:05:364:43:4211:154:03
11:45
#25848
Finish
26.22 mi16:16:054:54:1111:1410:29
10:17
#25801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24842146511465125160(Top 89%)14781(Top 92%)14781(Top 619%)
10K6.21 mi3.10 mi24870-2814647+414647+424880(Top 88%)14649(Top 91%)14649(Top 614%)
15K9.32 mi3.11 mi24966-9614701-5414701-5425160(Top 89%)14781(Top 92%)14781(Top 619%)
20K12.43 mi3.11 mi25351-38514853-15214853-15226067(Top 92%)15152(Top 94%)15152(Top 635%)
Half13.11 mi0.68 mi25327+2414843+1014843+1025009(Top 88%)14686(Top 91%)14686(Top 616%)
25K15.53 mi2.42 mi25795-46815039-19615039-19627119(Top 95%)15552(Top 97%)15552(Top 652%)
30K18.64 mi3.11 mi26283-48815245-20615245-20627529(Top 97%)15664(Top 97%)15664(Top 656%)
20M20.00 mi1.36 mi26163+12015171+7415171+7424488(Top 86%)14210(Top 88%)14210(Top 596%)
21M21.00 mi1.00 mi26132+3115139+3215139+3225490(Top 90%)14620(Top 91%)14620(Top 613%)
35K21.75 mi0.75 mi26055+7715100+3915100+3923478(Top 83%)13630(Top 85%)13630(Top 571%)
23M23.00 mi1.25 mi25955+10015051+4915051+4923747(Top 84%)13706(Top 85%)13706(Top 574%)
24M24.00 mi1.00 mi25921+3415028+2315028+2324702(Top 87%)14151(Top 88%)14151(Top 593%)
40K24.85 mi0.85 mi25882+3914999+2914999+2923894(Top 84%)13722(Top 85%)13722(Top 575%)
25.2M25.20 mi0.35 mi25848+3414973+2614973+2622669(Top 80%)13124(Top 81%)13124(Top 550%)
Finish26.22 mi1.02 mi25801+4714941+3214941+3223761(Top 84%)13651(Top 85%)13651(Top 572%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25160

Males

14781

M45-49

14781

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24880

Males

14649

M45-49

14649

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25160

Males

14781

M45-49

14781

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26067

Males

15152

M45-49

15152

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25009

Males

14686

M45-49

14686

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

27119

Males

15552

M45-49

15552

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27529

Males

15664

M45-49

15664

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24488

Males

14210

M45-49

14210

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25490

Males

14620

M45-49

14620

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23478

Males

13630

M45-49

13630

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23747

Males

13706

M45-49

13706

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24702

Males

14151

M45-49

14151

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23894

Males

13722

M45-49

13722

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22669

Males

13124

M45-49

13124

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23761

Males

13651

M45-49

13651

Passing Analysis

Category:
Athletes Passed
941
Passed By
1900
Net Change
-959
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24842
5K → 10K191219-28#24842#24870
10K → 15K89185-96#24870#24966
15K → 20K39424-385#24966#25351
20K → Half3511+24#25351#25327
Half → 25K18486-468#25327#25795
25K → 30K15503-488#25795#26283
30K → 20M1266+120#26283#26163
20M → 21M6029+31#26163#26132
21M → 35K792+77#26132#26055
35K → 23M1044+100#26055#25955
23M → 24M4612+34#25955#25921
24M → 40K5011+39#25921#25882
40K → 25.2M373+34#25882#25848
25.2M → Finish525+47#25848#25801
TOTALS9411900-959
📊

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