Boston Marathon logo
BOSTON MARATHON 2025

Alexander Hansen

Bib: 30134•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #8621
Start → 5K
22:03 | 7:06/mi
10K· 6.21 mi
44:49
Rank: #9560 (-939)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:07:51
Rank: #10038 (-478)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:31:30
Rank: #10425 (-387)
15K → 20K
23:39 | 7:37/mi
Half· 13.11 mi
1:36:39
Rank: #10506 (-81)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:56:38
Rank: #11398 (-892)
Half → 25K
19:59 | 8:15/mi
30K· 18.64 mi
2:24:52
Rank: #12829 (-1431)
25K → 30K
28:14 | 9:05/mi
20M
2:38:31
Rank: #13722 (-893)
30K → 20M
13:39 | 10:03/mi
21M
2:50:02
Rank: #14652 (-930)
20M → 21M
11:31 | 11:31/mi
35K· 21.75 mi
2:58:22
Rank: #15309 (-657)
21M → 35K
8:20 | 11:08/mi
23M
3:14:04
Rank: #16596 (-1287)
35K → 23M
15:42 | 12:32/mi
24M
3:25:18
Rank: #17244 (-648)
23M → 24M
11:14 | 11:14/mi
40K· 24.85 mi
3:34:50
Rank: #17659 (-415)
24M → 40K
9:32 | 11:09/mi
25.2M
3:38:49
Rank: #17770 (-111)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
3:48:54
Rank: #18065 (-295)
25.2M → Finish
10:05 | 9:54/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:39
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time2:12:15
Pace10:05 /mi
📊Positive Split: 36.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4522:037:0622:03
7:06
-
10K
6.21 mi12:10:3144:497:1322:46
7:20
+0:14
15K
9.32 mi12:33:331:07:517:1723:02
7:25
+0:05
20K
12.43 mi12:57:121:31:307:2223:39
7:37
+0:12
Half
13.11 mi13:02:211:36:397:225:09
7:33
-0:04
25K
15.53 mi13:22:201:56:387:3019:59
8:15
+0:42
30K
18.64 mi13:50:342:24:527:4628:14
9:05
+0:50
20M
20.00 mi14:04:132:38:317:5613:39
10:03
+0:58
21M
21.00 mi14:15:442:50:028:0611:31
11:31
+1:28
35K
21.75 mi14:24:042:58:228:128:20
11:08
-0:23
23M
23.00 mi14:39:463:14:048:2615:42
12:32
+1:24
24M
24.00 mi14:51:003:25:188:3311:14
11:14
-1:18
40K
24.85 mi15:00:323:34:508:399:32
11:09
-0:05
25.2M
25.20 mi15:04:313:38:498:413:59
11:33
+0:24
Finish
26.22 mi15:14:363:48:548:4410:05
9:54
-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

7:06 /mi

Average Pace

8:44 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:38

51% of race

Time at Steady Pace

51:58

23% of race

Time at Slower Pace

1:00:18

26% of race

Average Pace: 8:44 /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 mi11:47:4522:037:0622:03
7:06
#8621
10K
6.21 mi12:10:3144:497:1322:46
7:20
#9560
15K
9.32 mi12:33:331:07:517:1723:02
7:25
#10038
20K
12.43 mi12:57:121:31:307:2223:39
7:37
#10425
Half
13.11 mi13:02:211:36:397:225:09
7:33
#10506
25K
15.53 mi13:22:201:56:387:3019:59
8:15
#11398
30K
18.64 mi13:50:342:24:527:4628:14
9:05
#12829
20M
20.00 mi14:04:132:38:317:5613:39
10:03
#13722
21M
21.00 mi14:15:442:50:028:0611:31
11:31
#14652
35K
21.75 mi14:24:042:58:228:128:20
11:08
#15309
23M
23.00 mi14:39:463:14:048:2615:42
12:32
#16596
24M
24.00 mi14:51:003:25:188:3311:14
11:14
#17244
40K
24.85 mi15:00:323:34:508:399:32
11:09
#17659
25.2M
25.20 mi15:04:313:38:498:413:59
11:33
#17770
Finish
26.22 mi15:14:363:48:548:4410:05
9:54
#18065
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi86217398739810996(Top 39%)8599(Top 53%)8599(Top 152%)
10K6.21 mi3.10 mi9560-9397941-5437941-54310567(Top 37%)8448(Top 52%)8448(Top 150%)
15K9.32 mi3.11 mi10038-4788154-2138154-21310996(Top 39%)8599(Top 53%)8599(Top 152%)
20K12.43 mi3.11 mi10425-3878333-1798333-17911686(Top 41%)8830(Top 55%)8830(Top 157%)
Half13.11 mi0.68 mi10506-818374-418374-4112130(Top 43%)9102(Top 57%)9102(Top 161%)
25K15.53 mi2.42 mi11398-8928776-4028776-40215569(Top 55%)10468(Top 65%)10468(Top 186%)
30K18.64 mi3.11 mi12829-14319353-5779353-57718123(Top 64%)11427(Top 71%)11427(Top 203%)
20M20.00 mi1.36 mi13722-8939706-3539706-35321090(Top 74%)12626(Top 78%)12626(Top 224%)
21M21.00 mi1.00 mi14652-93010081-37510081-37522637(Top 80%)13257(Top 82%)13257(Top 235%)
35K21.75 mi0.75 mi15309-65710352-27110352-27124492(Top 86%)14103(Top 88%)14103(Top 250%)
23M23.00 mi1.25 mi16596-128710861-50910861-50925842(Top 91%)14751(Top 92%)14751(Top 261%)
24M24.00 mi1.00 mi17244-64811090-22911090-22924440(Top 86%)14031(Top 87%)14031(Top 249%)
40K24.85 mi0.85 mi17659-41511244-15411244-15423445(Top 83%)13467(Top 84%)13467(Top 239%)
25.2M25.20 mi0.35 mi17770-11111289-4511289-4522145(Top 78%)12850(Top 80%)12850(Top 228%)
Finish26.22 mi1.02 mi18065-29511409-12011409-12022588(Top 80%)13069(Top 81%)13069(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10996

Males

8599

M18-39

8599

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10567

Males

8448

M18-39

8448

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10996

Males

8599

M18-39

8599

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11686

Males

8830

M18-39

8830

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12130

Males

9102

M18-39

9102

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15569

Males

10468

M18-39

10468

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18123

Males

11427

M18-39

11427

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

21090

Males

12626

M18-39

12626

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22637

Males

13257

M18-39

13257

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24492

Males

14103

M18-39

14103

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25842

Males

14751

M18-39

14751

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24440

Males

14031

M18-39

14031

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23445

Males

13467

M18-39

13467

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22145

Males

12850

M18-39

12850

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22588

Males

13069

M18-39

13069

Passing Analysis

Category:
Athletes Passed
369
Passed By
9809
Net Change
-9444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8621
5K → 10K33971-939#8621#9560
10K → 15K57533-478#9560#10038
15K → 20K85471-387#10038#10425
20K → Half1697-81#10425#10506
Half → 25K35927-892#10506#11398
25K → 30K461477-1431#11398#12829
30K → 20M23916-893#12829#13722
20M → 21M8938-930#13722#14652
21M → 35K9666-657#14652#15309
35K → 23M101297-1287#15309#16596
23M → 24M11659-648#16596#17244
24M → 40K11426-415#17244#17659
40K → 25.2M10121-111#17659#17770
25.2M → Finish15310-295#17770#18065
TOTALS3699809-9444
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing