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BOSTON MARATHON 2025

Michael Niklasson

Bib: 15986 M SE

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:34/mi
23:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:41/mi
47:25
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:53/mi
1:11:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:04/mi
1:36:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:07/mi
1:42:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:23/mi
2:02:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:25/mi
2:32:04
↑ 181↓ 1480.2%
138 ft elev
20M
10:09/mi
2:45:52
↑ 64↓ 500.2%
148 ft elev
21M
11:35/mi
2:57:27
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:28/mi
3:03:47
↑ 17↓ 861.7%
156 ft elev
23M
9:09/mi
3:15:15
↑ 23↓ 630.6%
116 ft elev
24M
8:54/mi
3:24:09
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:58/mi
3:31:49
↓ 200.3%
20 ft elev
25.2M
9:23/mi
3:35:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:44/mi
3:42:56
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:30
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:00:26
Pace9:11 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2723:327:3423:32
7:34
-
10K
6.21 mi11:19:2047:257:3823:53
7:41
+0:07
15K
9.32 mi11:43:491:11:547:4324:29
7:53
+0:12
20K
12.43 mi12:08:531:36:587:4825:04
8:04
+0:11
Half
13.11 mi12:14:251:42:307:495:32
8:07
+0:03
25K
15.53 mi12:34:442:02:497:5420:19
8:23
+0:16
30K
18.64 mi13:03:592:32:048:0929:15
9:25
+1:02
20M
20.00 mi13:17:472:45:528:1813:48
10:09
+0:44
21M
21.00 mi13:29:222:57:278:2711:35
11:35
+1:26
35K
21.75 mi13:35:423:03:478:276:20
8:28
-3:07
23M
23.00 mi13:47:103:15:158:2911:28
9:09
+0:41
24M
24.00 mi13:56:043:24:098:308:54
8:54
-0:15
40K
24.85 mi14:03:443:31:498:317:40
8:58
+0:04
25.2M
25.20 mi14:06:583:35:038:323:14
9:23
+0:25
Finish
26.22 mi14:14:513:42:568:317:53
7:44
-1:39

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

7:34 /mi

Average Pace

8:31 /mi

Slowest Pace

11:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:47

36% of race

Time at Steady Pace

1:13:49

33% of race

Time at Slower Pace

1:09:20

31% of race

Average Pace: 8:30 /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 mi10:55:2723:327:3423:32
7:34
#12892
10K
6.21 mi11:19:2047:257:3823:53
7:41
#13315
15K
9.32 mi11:43:491:11:547:4324:29
7:53
#13868
20K
12.43 mi12:08:531:36:587:4825:04
8:04
#14263
Half
13.11 mi12:14:251:42:307:495:32
8:07
#14390
25K
15.53 mi12:34:442:02:497:5420:19
8:23
#14772
30K
18.64 mi13:03:592:32:048:0929:15
9:25
#15917
20M
20.00 mi13:17:472:45:528:1813:48
10:09
#16463
21M
21.00 mi13:29:222:57:278:2711:35
11:35
#17009
35K
21.75 mi13:35:423:03:478:276:20
8:28
#16941
23M
23.00 mi13:47:103:15:158:2911:28
9:09
#16947
24M
24.00 mi13:56:043:24:098:308:54
8:54
#16921
40K
24.85 mi14:03:443:31:498:317:40
8:58
#16886
25.2M
25.20 mi14:06:583:35:038:323:14
9:23
#16825
Finish
26.22 mi14:14:513:42:568:317:53
7:44
#16611
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi128929599959915082(Top 53%)10413(Top 65%)10413(Top 632%)
10K6.21 mi3.10 mi13315-4239741-1429741-14213761(Top 48%)9911(Top 62%)9911(Top 601%)
15K9.32 mi3.11 mi13868-5539938-1979938-19715082(Top 53%)10413(Top 65%)10413(Top 632%)
20K12.43 mi3.11 mi14263-39510066-12810066-12815400(Top 54%)10499(Top 65%)10499(Top 637%)
Half13.11 mi0.68 mi14390-12710117-5110117-5116642(Top 59%)11037(Top 69%)11037(Top 670%)
25K15.53 mi2.42 mi14772-38210241-12410241-12416421(Top 58%)10833(Top 67%)10833(Top 657%)
30K18.64 mi3.11 mi15917-114510696-45510696-45519583(Top 69%)12092(Top 75%)12092(Top 734%)
20M20.00 mi1.36 mi16463-54610881-18510881-18521433(Top 75%)12781(Top 79%)12781(Top 776%)
21M21.00 mi1.00 mi17009-54611079-19811079-19822772(Top 80%)13329(Top 83%)13329(Top 809%)
35K21.75 mi0.75 mi16941+6811030+4911030+4915233(Top 54%)9832(Top 61%)9832(Top 597%)
23M23.00 mi1.25 mi16947-610998+3210998+3217128(Top 60%)10563(Top 66%)10563(Top 641%)
24M24.00 mi1.00 mi16921+2610964+3410964+3416836(Top 59%)10391(Top 65%)10391(Top 631%)
40K24.85 mi0.85 mi16886+3510917+4710917+4716090(Top 57%)9963(Top 62%)9963(Top 605%)
25.2M25.20 mi0.35 mi16825+6110874+4310874+4313860(Top 49%)8894(Top 55%)8894(Top 540%)
Finish26.22 mi1.02 mi16611+21410773+10110773+10110960(Top 39%)7499(Top 47%)7499(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15082

Males

10413

M55-59

10413

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13761

Males

9911

M55-59

9911

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15082

Males

10413

M55-59

10413

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15400

Males

10499

M55-59

10499

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16642

Males

11037

M55-59

11037

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16421

Males

10833

M55-59

10833

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19583

Males

12092

M55-59

12092

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21433

Males

12781

M55-59

12781

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22772

Males

13329

M55-59

13329

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15233

Males

9832

M55-59

9832

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17128

Males

10563

M55-59

10563

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16836

Males

10391

M55-59

10391

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16090

Males

9963

M55-59

9963

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13860

Males

8894

M55-59

8894

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10960

Males

7499

M55-59

7499

Passing Analysis

Category:
Athletes Passed
1192
Passed By
4911
Net Change
-3719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12892
5K → 10K133556-423#12892#13315
10K → 15K74627-553#13315#13868
15K → 20K111506-395#13868#14263
20K → Half5132-127#14263#14390
Half → 25K85467-382#14390#14772
25K → 30K531198-1145#14772#15917
30K → 20M27573-546#15917#16463
20M → 21M26572-546#16463#17009
21M → 35K9527+68#17009#16941
35K → 23M118124-6#16941#16947
23M → 24M8559+26#16947#16921
24M → 40K8853+35#16921#16886
40K → 25.2M7514+61#16886#16825
25.2M → Finish2173+214#16825#16611
TOTALS11924911-3719
📊

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