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BOSTON MARATHON 2025

Alex Neikirk

Bib: 5172•M

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
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
20:53
Rank: #5647
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:50
Rank: #5693 (-46)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:02:51
Rank: #5643 (+50)
10K → 15K
21:01 | 6:46/mi
20K· 12.43 mi
1:23:49
Rank: #5428 (+215)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:28:26
Rank: #5446 (-18)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:09
Rank: #5452 (-6)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:07:43
Rank: #5600 (-148)
25K → 30K
22:34 | 7:16/mi
20M
2:17:51
Rank: #5690 (-90)
30K → 20M
10:08 | 7:27/mi
21M
2:25:51
Rank: #5719 (-29)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:31:23
Rank: #5775 (-56)
21M → 35K
5:32 | 7:24/mi
23M
2:41:21
Rank: #5900 (-125)
35K → 23M
9:58 | 7:58/mi
24M
2:49:26
Rank: #6065 (-165)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
2:57:10
Rank: #6367 (-302)
24M → 40K
7:44 | 9:03/mi
25.2M
3:00:20
Rank: #6423 (-56)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:08:30
Rank: #6630 (-207)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:26
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:40:04
Pace7:38 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1220:536:4320:53
6:43
-
10K
6.21 mi10:45:0941:506:4420:57
6:45
+0:02
15K
9.32 mi11:06:101:02:516:4521:01
6:46
+0:01
20K
12.43 mi11:27:081:23:496:4520:58
6:45
-0:01
Half
13.11 mi11:31:451:28:266:454:37
6:46
+0:01
25K
15.53 mi11:48:281:45:096:4616:43
6:54
+0:08
30K
18.64 mi12:11:022:07:436:5122:34
7:16
+0:22
20M
20.00 mi12:21:102:17:516:5410:08
7:27
+0:11
21M
21.00 mi12:29:102:25:516:578:00
8:00
+0:33
35K
21.75 mi12:34:422:31:236:585:32
7:24
-0:36
23M
23.00 mi12:44:402:41:217:019:58
7:58
+0:34
24M
24.00 mi12:52:452:49:267:048:05
8:05
+0:07
40K
24.85 mi13:00:292:57:107:087:44
9:03
+0:58
25.2M
25.20 mi13:03:393:00:207:093:10
9:11
+0:08
Finish
26.22 mi13:11:493:08:307:128:10
8:01
-1:10

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

6:43 /mi

Average Pace

7:12 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:09

56% of race

Time at Steady Pace

38:14

20% of race

Time at Slower Pace

45:07

24% of race

Average Pace: 7:11 /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 mi10:24:1220:536:4320:53
6:43
#5647
10K
6.21 mi10:45:0941:506:4420:57
6:45
#5693
15K
9.32 mi11:06:101:02:516:4521:01
6:46
#5643
20K
12.43 mi11:27:081:23:496:4520:58
6:45
#5428
Half
13.11 mi11:31:451:28:266:454:37
6:46
#5446
25K
15.53 mi11:48:281:45:096:4616:43
6:54
#5452
30K
18.64 mi12:11:022:07:436:5122:34
7:16
#5600
20M
20.00 mi12:21:102:17:516:5410:08
7:27
#5690
21M
21.00 mi12:29:102:25:516:578:00
8:00
#5719
35K
21.75 mi12:34:422:31:236:585:32
7:24
#5775
23M
23.00 mi12:44:402:41:217:019:58
7:58
#5900
24M
24.00 mi12:52:452:49:267:048:05
8:05
#6065
40K
24.85 mi13:00:292:57:107:087:44
9:03
#6367
25.2M
25.20 mi13:03:393:00:207:093:10
9:11
#6423
Finish
26.22 mi13:11:493:08:307:128:10
8:01
#6630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5647522352235744(Top 20%)5239(Top 33%)5239(Top 93%)
10K6.21 mi3.10 mi5693-465260-375260-375777(Top 20%)5293(Top 33%)5293(Top 94%)
15K9.32 mi3.11 mi5643+505203+575203+575744(Top 20%)5239(Top 33%)5239(Top 93%)
20K12.43 mi3.11 mi5428+2155014+1895014+1894846(Top 17%)4485(Top 28%)4485(Top 79%)
Half13.11 mi0.68 mi5446-185027-135027-135868(Top 21%)5355(Top 33%)5355(Top 95%)
25K15.53 mi2.42 mi5452-65015+125015+125639(Top 20%)5113(Top 32%)5113(Top 91%)
30K18.64 mi3.11 mi5600-1485122-1075122-1076251(Top 22%)5488(Top 34%)5488(Top 97%)
20M20.00 mi1.36 mi5690-905184-625184-626725(Top 24%)5666(Top 35%)5666(Top 100%)
21M21.00 mi1.00 mi5719-295195-115195-117330(Top 26%)5865(Top 36%)5865(Top 104%)
35K21.75 mi0.75 mi5775-565225-305225-307850(Top 28%)6204(Top 39%)6204(Top 110%)
23M23.00 mi1.25 mi5900-1255304-795304-799705(Top 34%)7073(Top 44%)7073(Top 125%)
24M24.00 mi1.00 mi6065-1655418-1145418-11411749(Top 41%)8022(Top 50%)8022(Top 142%)
40K24.85 mi0.85 mi6367-3025609-1915609-19116520(Top 58%)10141(Top 63%)10141(Top 180%)
25.2M25.20 mi0.35 mi6423-565636-275636-2712715(Top 45%)8300(Top 52%)8300(Top 147%)
Finish26.22 mi1.02 mi6630-2075742-1065742-10612941(Top 46%)8494(Top 53%)8494(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5744

Males

5239

M18-39

5239

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5777

Males

5293

M18-39

5293

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5744

Males

5239

M18-39

5239

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4846

Males

4485

M18-39

4485

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5868

Males

5355

M18-39

5355

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5639

Males

5113

M18-39

5113

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6251

Males

5488

M18-39

5488

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6725

Males

5666

M18-39

5666

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7330

Males

5865

M18-39

5865

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7850

Males

6204

M18-39

6204

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9705

Males

7073

M18-39

7073

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11749

Males

8022

M18-39

8022

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16520

Males

10141

M18-39

10141

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12715

Males

8300

M18-39

8300

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12941

Males

8494

M18-39

8494

Passing Analysis

Category:
Athletes Passed
1072
Passed By
2055
Net Change
-983
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5647
5K → 10K154200-46#5647#5693
10K → 15K14999+50#5693#5643
15K → 20K24530+215#5643#5428
20K → Half2644-18#5428#5446
Half → 25K114120-6#5446#5452
25K → 30K142290-148#5452#5600
30K → 20M43133-90#5600#5690
20M → 21M5281-29#5690#5719
21M → 35K2985-56#5719#5775
35K → 23M57182-125#5775#5900
23M → 24M19184-165#5900#6065
24M → 40K9311-302#6065#6367
40K → 25.2M1268-56#6367#6423
25.2M → Finish21228-207#6423#6630
TOTALS10722055-983
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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