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BOSTON MARATHON 2025

Kristopher Hartwig

Bib: 24528•M

MN

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 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:05
Rank: #21079
Start → 5K
27:05 | 8:43/mi
10K· 6.21 mi
54:54
Rank: #21629 (-550)
5K → 10K
27:49 | 8:57/mi
15K· 9.32 mi
1:23:18
Rank: #22007 (-378)
10K → 15K
28:24 | 9:08/mi
20K· 12.43 mi
1:50:50
Rank: #21546 (+461)
15K → 20K
27:32 | 8:52/mi
Half· 13.11 mi
1:56:40
Rank: #21429 (+117)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:18:05
Rank: #21039 (+390)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:46:25
Rank: #20513 (+526)
25K → 30K
28:20 | 9:07/mi
20M
2:59:10
Rank: #20365 (+148)
30K → 20M
12:45 | 9:23/mi
21M
3:08:44
Rank: #20141 (+224)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:15:42
Rank: #20113 (+28)
21M → 35K
6:58 | 9:19/mi
23M
3:27:55
Rank: #20107 (+6)
35K → 23M
12:13 | 9:45/mi
24M
3:37:50
Rank: #20177 (-70)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
3:46:37
Rank: #20261 (-84)
24M → 40K
8:47 | 10:16/mi
25.2M
3:50:23
Rank: #20277 (-16)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:00:48
Rank: #20472 (-195)
25.2M → Finish
10:25 | 10:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:40
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:04:08
Pace9:28 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2727:058:4327:05
8:43
-
10K
6.21 mi11:56:1654:548:5027:49
8:57
+0:14
15K
9.32 mi12:24:401:23:188:5628:24
9:08
+0:11
20K
12.43 mi12:52:121:50:508:5527:32
8:52
-0:16
Half
13.11 mi12:58:021:56:408:545:50
8:33
-0:19
25K
15.53 mi13:19:272:18:058:5321:25
8:50
+0:17
30K
18.64 mi13:47:472:46:258:5628:20
9:07
+0:17
20M
20.00 mi14:00:322:59:108:5712:45
9:23
+0:16
21M
21.00 mi14:10:063:08:448:599:34
9:34
+0:11
35K
21.75 mi14:17:043:15:429:006:58
9:19
-0:15
23M
23.00 mi14:29:173:27:559:0212:13
9:45
+0:26
24M
24.00 mi14:39:123:37:509:059:55
9:55
+0:10
40K
24.85 mi14:47:593:46:379:078:47
10:16
+0:21
25.2M
25.20 mi14:51:453:50:239:093:46
10:55
+0:39
Finish
26.22 mi15:02:104:00:489:1110:25
10:13
-0:42

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

8:33 /mi

Average Pace

9:11 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:41

46% of race

Time at Steady Pace

1:26:01

36% of race

Time at Slower Pace

45:06

19% of race

Average Pace: 9:11 /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 mi11:28:2727:058:4327:05
8:43
#21079
10K
6.21 mi11:56:1654:548:5027:49
8:57
#21629
15K
9.32 mi12:24:401:23:188:5628:24
9:08
#22007
20K
12.43 mi12:52:121:50:508:5527:32
8:52
#21546
Half
13.11 mi12:58:021:56:408:545:50
8:33
#21429
25K
15.53 mi13:19:272:18:058:5321:25
8:50
#21039
30K
18.64 mi13:47:472:46:258:5628:20
9:07
#20513
20M
20.00 mi14:00:322:59:108:5712:45
9:23
#20365
21M
21.00 mi14:10:063:08:448:599:34
9:34
#20141
35K
21.75 mi14:17:043:15:429:006:58
9:19
#20113
23M
23.00 mi14:29:173:27:559:0212:13
9:45
#20107
24M
24.00 mi14:39:123:37:509:059:55
9:55
#20177
40K
24.85 mi14:47:593:46:379:078:47
10:16
#20261
25.2M
25.20 mi14:51:453:50:239:093:46
10:55
#20277
Finish
26.22 mi15:02:104:00:489:1110:25
10:13
#20472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi21079128961289622623(Top 80%)13654(Top 85%)13654(Top 2137%)
10K6.21 mi3.10 mi21629-55013163-26713163-26722162(Top 78%)13408(Top 83%)13408(Top 2098%)
15K9.32 mi3.11 mi22007-37813338-17513338-17522623(Top 80%)13654(Top 85%)13654(Top 2137%)
20K12.43 mi3.11 mi21546+46113146+19213146+19220275(Top 71%)12586(Top 78%)12586(Top 1970%)
Half13.11 mi0.68 mi21429+11713093+5313093+5319507(Top 69%)12271(Top 76%)12271(Top 1920%)
25K15.53 mi2.42 mi21039+39012920+17312920+17319100(Top 67%)12023(Top 75%)12023(Top 1882%)
30K18.64 mi3.11 mi20513+52612638+28212638+28218263(Top 64%)11491(Top 71%)11491(Top 1798%)
20M20.00 mi1.36 mi20365+14812553+8512553+8518670(Top 66%)11536(Top 72%)11536(Top 1805%)
21M21.00 mi1.00 mi20141+22412424+12912424+12916374(Top 58%)10424(Top 65%)10424(Top 1631%)
35K21.75 mi0.75 mi20113+2812404+2012404+2019612(Top 69%)11789(Top 73%)11789(Top 1845%)
23M23.00 mi1.25 mi20107+612370+3412370+3419646(Top 69%)11739(Top 73%)11739(Top 1837%)
24M24.00 mi1.00 mi20177-7012382-1212382-1221105(Top 74%)12395(Top 77%)12395(Top 1940%)
40K24.85 mi0.85 mi20261-8412407-2512407-2521285(Top 75%)12418(Top 77%)12418(Top 1943%)
25.2M25.20 mi0.35 mi20277-1612408-112408-120368(Top 72%)11968(Top 74%)11968(Top 1873%)
Finish26.22 mi1.02 mi20472-19512489-8112489-8123578(Top 83%)13550(Top 84%)13550(Top 2121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22623

Males

13654

M65-69

13654

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22162

Males

13408

M65-69

13408

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22623

Males

13654

M65-69

13654

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20275

Males

12586

M65-69

12586

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19507

Males

12271

M65-69

12271

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19100

Males

12023

M65-69

12023

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18263

Males

11491

M65-69

11491

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18670

Males

11536

M65-69

11536

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16374

Males

10424

M65-69

10424

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19612

Males

11789

M65-69

11789

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19646

Males

11739

M65-69

11739

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

21105

Males

12395

M65-69

12395

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21285

Males

12418

M65-69

12418

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20368

Males

11968

M65-69

11968

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23578

Males

13550

M65-69

13550

Passing Analysis

Category:
Athletes Passed
2426
Passed By
1819
Net Change
+607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21079
5K → 10K103653-550#21079#21629
10K → 15K102480-378#21629#22007
15K → 20K48221+461#22007#21546
20K → Half1192+117#21546#21429
Half → 25K3966+390#21429#21039
25K → 30K55024+526#21039#20513
30K → 20M17123+148#20513#20365
20M → 21M2328+224#20365#20141
21M → 35K7143+28#20141#20113
35K → 23M8579+6#20113#20107
23M → 24M38108-70#20107#20177
24M → 40K40124-84#20177#20261
40K → 25.2M2339-16#20261#20277
25.2M → Finish14209-195#20277#20472
TOTALS24261819+607
📊

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